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1 Nguyn Đức Thng 1700 CƠ CU CƠ KHÍ ĐÃ MÔ PHNG kèm hình v, mô ttóm tt đường dn đến YouTube video Phn 1: Truyn chuyn động quay liên tc Cp nht đến 31 / 12 / 2014

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  • 1

    Nguyn c Thng

    1700 C CU C KH M PHNG

    km hnh v, m t tm tt v ng dn n YouTube video

    Phn 1: Truyn chuyn ng quay lin tc

    Cp nht n 31 / 12 / 2014

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    Ti liu gm 3 phn: Phn 1: Truyn chuyn ng quay lin tc Phn 2: Bin i dng chuyn ng Phn 3: Cc c cu khc Cc video m phng c lm nh phn mm Autodesk Inventor. Chng c knh Youtube thang010146 Dng ch mu hng ting Anh l tn ca c cu trn YouTube. Mong mun ca tc gi l a tht nhiu c cu hin c vo y. Nhng kh nng tc gi v phn mm Inventor c hn. Do cn thiu c cu c kt cu phc tp hoc c khu bin dng trong khi chuyn ng. Ti liu s c b sung theo thi gian v video mi vn c tip tc to ra, chng no cn c th. Thi im cp nht nu trang 1. Ti liu ny c th c ch cho nhng ai: - hng ngy phi lm vic vi cc c cu c kh - thch gii tr vi cc c cu c kh ti liu ny c hu dng, rt mong nhn c mi s ph bnh v gp . Bn ting Anh ca ti liu c ti: http://www.mediafire.com/download/gqt6wxyoq8wstjw/1700AMMe.zip Thng tin v tc gi: Tn: Nguyn c Thng Nm sinh: 1946 Ni sinh: Hu, Vit Nam Ni : H Ni, Vit Nam Qu trnh hc: K s c kh, 1969, i hc Bch khoa H Ni, Vit Nam Ph tin s c kh, 1984, i hc K thut Kosice, Slovakia Qu trnh lm vic: Thit k c kh ti cc x nghip c kh nh H Ni V hu nm 2002 Email: [email protected]

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    Muc luc 1. Truyn chuyn ng quay lin tc.................................................................................4

    1.1. Khp trc ....................................................................................................................4 1.2. Ly hp .......................................................................................................................13

    1.2.1. Ly hp hai chiu.................................................................................................13 1.2.1. Ly hp mt chiu................................................................................................17 1.2.3. Ly hp o chiu................................................................................................20 1.2.4. Ly hp siu vit ..................................................................................................22

    1.3. Bnh rng..................................................................................................................27 1.3.1. Bnh rng tr .....................................................................................................27

    1.3.1.1. B truyn c nh .....................................................................................27 1.3.1.2. B truyn c di ng ................................................................................31

    1.3.2. Bnh rng cn...................................................................................................44 1.3.3. B truyn trc vt ................................................................................................48 1.3.4. Bnh rng cht ...................................................................................................52 1.3.5. Bnh rng mt u.............................................................................................56 1.3.6. Bnh rng xon Acsimet ....................................................................................58

    1.4. B truyn ma st .......................................................................................................62 1.5. B truyn xch ...........................................................................................................66 1.6. Truyn ng thanh ....................................................................................................67 1.7. Cam...........................................................................................................................76 1.8. Truyn ng ai ........................................................................................................78 1.9. Truyn ng cho hai trc song song,........................................................................83 khong cch trc iu chnh c...................................................................................83 1.10. Truyn ng cho hai trc ng trc ........................................................................86 1.11. C cu hn ch gc quay .......................................................................................89 1.12. B vi sai t............................................................................................................92 1.13. B iu tc v cp...................................................................................................95 1.14. C cu chuyn tc ...........................................................................................102

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    1. Truyn chuyn ng quay lin tc 1.1. Khp trc Chain drive 1C http://youtu.be/FKuhi8hk96s Khp trc xch Coil spring coupling 1 http://youtu.be/CJ53SLiqGKQ Khp trc l xo. Nh khp tr l xo (mu hng) lch trc c th ln. Trong video ny: ng knh ngoi ca khp trc: 20 mm lch trc: 1 mm C dao ng vn tc ng k truc b dn. Coil spring coupling 2 http://youtu.be/xayBA5MaE2E Khp trc l xo. Nh khp cu l xo (mu hng) lch trc v lch gc c th ln. Trong video ny: ng knh ngoi ca khp trc: 20 mm lch trc: 1 mm Gc lch gia hai trc: 4 C dao ng vn tc ng k truc b dn. Oldham coupling 1 http://www.youtube.com/watch?v=VPVxy9uW45E Khp trc Oldham Oldham coupling 2 http://www.youtube.com/watch?v=M2IlDz_27GY Mt kiu khp trc Oldham Kch thc chiu trc nh so vi Oldham coupling 1. Oldham coupling 3 http://www.youtube.com/watch?v=OqpvbqdHgHc Mt kiu khp trc Oldham Kch thc chiu trc nh. Cc khp tr thay cho khp lng tr. Trng ging khp Cacdan nhng khc hon ton v bn cht.

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    Parallel link coupling http://www.youtube.com/watch?v=pkcdVQZubiM Khp trc dng c cu bnh hnh. u im: Khe h truyn ng (khi o chiu) nh, r, truyn c n nhiu trc song song. Nhc im: khng cn bng ng lc hc nn khung ng (thanh truyn) phi ht sc nh, ch dng c cho vn tc nh. iu kin hnh hc: Cc tay quay phi c cng chiu di. Hai a gic to bi tm quay c nh v tm quay di ng ca cc tay quay phi ng dng.

    Application of parallelogram mechanism 1 http://www.youtube.com/watch?v=7ihoj7SRZLg ng dng ca c cu bnh hnh: truyn ng gia hai trc song song. Application of parallelogram mechanism 2 http://www.youtube.com/watch?v=ZsThxf0OEuU ng dng ca c cu bnh hnh: truyn ng gia hai trc song song. Application of parallelogram mechanism 3 http://www.youtube.com/watch?v=Bh0uDdx7z6M ng dng ca c cu bnh hnh: truyn ng gia hai trc song song. a mu quay ti ch m khng cn . Schmidt coupling http://www.youtube.com/watch?v=ARs3y3i0enE&feature=endscreen&NR=1 Khp trc Schmidt. ng dng ca c cu bnh hnh: truyn ng gia hai trc song song. Khu mu hng quay ti ch m khng cn . Hai trc c th di chuyn tng i vi nhau trong khi truyn ng.

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    Pin coupling 1 http://www.youtube.com/watch?v=vjOqNd3c4rY Khp trc cht. L khp ng tc. Cc cht nm trn ng trn ca mi trc c bn knh bng nhau. A = R1 + R2 A: lch trc R1: Bn knh cht mu hng R2: Bn knh cht mu xanh Nh vy khp trc t iu kin ca c cu bnh hnh. S cht trn mi trc phi bng nhau. Pin coupling 2 http://www.youtube.com/watch?v=tYDqAES59C8 Khp trc cht. L khp ng tc. Cc cht v cc l nm trn ng trn ca mi trc c bn knh bng nhau. A = R2 - R1 A: lch trc R2: Bn knh l mu hng R1: Bn knh cht mu xanh. Nh vy khp trc t iu kin ca c cu bnh hnh. Thus the coupling meets conditions of a parallelogram mechanism. C cu ny c th lp vo hp gim tc hnh tinh. Xem: http://www.youtube.com/watch?v=MGVSRrI0ir4 Pin coupling 3 http://www.youtube.com/watch?v=xzwCuLT89EI Khp trc cht ny l mt bin th ca c cu Pin Coupling 1 http://www.youtube.com/watch?v=vjOqNd3c4rY khi R1 khc R2 v bn knh cht ln hn bn knh trc. T s truyn l 1. C cu trng nh b truyn bnh rng nhng hai trc quay cng chiu. Nhc im ca c cu l rt nhy cm vi sai s khong cch trc. Pin coupling 4 http://www.youtube.com/watch?v=1fe2QSs1HWY Khp trc cht ny l mt bin th ca c cu Pin Coupling 1 http://www.youtube.com/watch?v=vjOqNd3c4rY khi R1 khc R2. S cht trn mi a l 22. Cht trn a hng c dng thu knh v bn knh ca n qu ln. T s truyn l 1.

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    Pin coupling 5 http://www.youtube.com/watch?v=QfiJSTRDASs Khp trc cht ny l mt bin th ca c cu Pin Coupling 3 http://www.youtube.com/watch?v=xzwCuLT89EI khi - R1 khc R2 - Bn knh cht ln hn bn knh trc. - S cht nhiu v cng to thnh mt xon vt. Mt lm vic ca trc xanh c to ra khi mt ng trn bn knh 10 (trong mt vung gc vi trc, tm cch tm trc 5) di chuyn theo ng xon vt c bc l 20. Mt lm vic ca trc hng c to ra khi mt ng trn bn knh 15 (trong mt vung gc vi trc, tm cch tm trc 5) di chuyn theo ng xon vt c bc l 20. Khong cch tm hai trc l 25. T s truyn l 1. C cu trng nh b truyn bnh rng nhng hai trc quay cng chiu. Pin coupling 7 http://www.youtube.com/watch?v=dTW8nhMjw-0 Khp trc ny l mt bin th ca c cu Pin Coupling 1 http://www.youtube.com/watch?v=vjOqNd3c4rY khi s cht nhiu v cng to thnh mt xon vt. Mt lm vic ca mi trc c to ra khi mt ng trn bn knh 5 (trong mt vung gc vi trc, tm cch tm trc 20) di chuyn theo ng xon vt c bc l 40. Khong cch tm hai trc l 10. T s truyn l 1. Hai trc quay cng chiu. y l c cu c tng tng ra, chc s khng c ng dng thc t. Pin coupling 8 http://www.youtube.com/watch?v=lC2GSi7deX4 Khp trc ny l mt bin th ca c cu Pin Coupling7 http://www.youtube.com/watch?v=dTW8nhMjw-0 khi s mt lm vic l 3. T s truyn l 1. Hai trc quay cng chiu. y l c cu c tng tng ra, chc s khng c ng dng thc t. Universal joint 1 http://www.youtube.com/watch?v=rAM7YRCQWEc Khp trc vn nng. Trc tm ca hai trc c th: 1. Song song v ng trc 2. Song song v dch trc (lch tm) 3. Ct nhau 4. Cho nhau L khp ng tc vi trng hp 1,2 v 3 Xem chi tit hn ti: http://meslab.org/mes/threads/20223-Khop-truc-ngam

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    Universal joint 2 http://youtu.be/NKaMj1oeP-Y Khp vn nng dng cho ti nh. Cho php di chuyn dc trc. Gc lch gia hai trc phi nh. Khng phi l khp ng tc. Universal joint 3 http://youtu.be/a_PbP0o-GOE Khp trc kiu bm: c chuyn ng i li ca cc thanh trt trong xy lanh. Tm ca cc khp cu lun nm trong mt phng phn gic gc gia hai trc ngay c khi gc ny bin i, nn y l khp ng tc. Pin universal joint http://youtu.be/N_rHZwytmOk Khp trc vn nng dng cht. y l khp ng tc. C khp cu gia hai trc hng v xanh. i vii mi trc, cc ng thng tip xc i din phi i xng qua trc quay v ng quy vi trc ny. Trong video ny gc gia hai trc l 30 . Khng dng cho truyn ng c o chiu v khe h o chiu rt ln. Study of Cardan universal joint 1 http://youtu.be/ZQt6cAmsgXQ Kho st khp trc vn nng Cc ng. Khp vn nng cho php iu chnh gc A gia trc vo v trc ra ngay trong khi truyn ng quay. Video cho thy iu chnh +/- 45 v r rng khp Cc ng n khng phi l khp ng tc khi A khc 0 . Study of double cardan universal joint 1a http://youtu.be/gBoJT_Pl-RA Kho st khp trc vn nng Cc ng kp. Khp Cc ng kp cho php iu chnh lch gia trc vo v trc ra ngay trong khi truyn ng quay. Vn tc trc ra lun bng vn tc trc vo (khp ng tc) v hai trc c gi song song vi nhau. Cc cht ca hai na trc trung gian (vng v tm) phi song song vi nhau.

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    Tracta joint 1 http://youtu.be/IFQgH73W2Ao Khp trc Tracta. y l khp ng tc. C cc khp quay gia: - Chc mu cam v chc mu vng. - Chc mu cam v trc mu xanh - Chc mu vng v trc mu hng Trc ca cc mt tr trn mi chc cho nhau mt gc 90 . Video cho truyn ng khi gc gia hai trc l 0 ri 30 . Tracta joint 2 http://youtu.be/qg8MpZYZjFE Khp trc Tracta, mt bin th ca Tracta joint 1. y l khp ng tc. Chc mu vng v mu cam ging nhau. C cc khp quay gia: - Chc mu cam v a hng. - Chc mu vng v a hng - Chc mu cam v trc lc - Chc mu vng v trc xanh Trc ca cc mt tr trn mi chc cho nhau mt gc 90 . Video cho truyn ng khi gc gia hai trc l 0 ri 25 . Rzeppa joint 1 http://youtu.be/6thw8xPt6ro Khp trc Rzeppa. Thanh ni vi trc vng bng khp loi 2 (c 4 bc t do). Thanh ni vi trc lc bng khp loi 2. Thanh ni vi lng cch bi mu xanh bng khp cu. Vi cch b tr ny, mt phng cha tm cc bi lun gn nm trong mt phng phn gic ca gc to bi hai trc khi bin i. Xem: Slider crank and coulisse mechanism 1 http://youtu.be/SdwIGoJ-3ag Trong video ny bng 0 v sau bng 30 . Trc ra quay gn u vi sai s 1,5% khi = 30 . Tripod joint 1 http://youtu.be/U5TV5NC5YOg Khp trc 3 chc. Cc con ln cu mu hng trt trong rnh ca trc vng. C khe h gia con ln v rnh cc con ln c th di chuyn ti lui trong rnh trong 1 vng quay. Trong video ny (gc gia hai trc) bng 0 v sau bng 15 . M phng cho thy trc ra quay gn u vi sai s 3,4 % khi = 15 .

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    Birfield joint 1 http://youtu.be/OSTdCr-BcPc Khp trc ng tc Birfield. C lch gia tm cc rnh vng trn mi trc v tm ca khp trc (xem hnh pha trn). Nh bi c nh v bi tip xc vi cc rnh vng Vi cch b tr ny, mt phng cha tm cc bi lun nm trong mt phng phn gic ca gc to bi hai trc khi bin i, t iu kin khp ng tc. Weiss joint 1 http://youtu.be/euihZOu3Cb0 Khp trc ng tc Weiss. C lch gia tm cc rnh vng trn mi trc v tm ca khp trc (xem hnh pha trn). Nh bi c nh v bi tip xc vi cc rnh vng ca c hai trc v bi gia mu xanh. Vi cch b tr ny, mt phng cha tm cc bi lun nm trong mt phng phn gic ca gc to bi hai trc khi bin i, t iu kin khp ng tc. Spherical 4R mechanism 1b http://youtu.be/BPMh7hd-ZNU C cu cu 4R. 4 R ngha l 4 khp quay. C cu cu: ng tm cc khp ng quy. Gc gia cc ng tm cc khp: i vi trc vo mu cam = i vi trc ra mu lc = i vi trc mu xanh = 90 i vi hai c nh = 15 Trc ra quay khng u. 1 vng quay ca trc ra ng vi 1 vng quay ca trc vo Angular Transmission 4R Mechanism 2 http://www.youtube.com/watch?v=JgLKdfQHUSg C cu truyn ng gc 4R. Hai c cu cu 4R ni u lng nhau. Trong mi c cu ng tm ca 4 khp quay ng quy. Gc gia ng tm ca cc khp quay thuc khu mu cam khc 90 (khc vi khp Cc ng). Gc gia trc vo v trc ra A = 90 . Gc gia mt tr ca khu mu cam v trc ra B = A/2 = 45 . Cc iu kin trn lm c cu c tnh ng tc. Khu mu cam quay ti ch, khng cn .

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    Angular Transmission 4R Mechanism 1 http://youtu.be/LI996IZQUoU C cu truyn ng gc 4R. y l khp Cc ng kp. Gc gia trc vo v trc ra A = 90 . Khu hnh ch S mu cam c trc quay o. Gc gia trc quay o ca khu mu cam v trc ra B = A/2 = 45 . Cc iu kin trn lm c cu c tnh ng tc. Khu mu cam quay ti ch, khng cn . Spherical 4R mechanism 2a http://youtu.be/o9RZ3goLvWA C cu cu 4R ng tm cc khp quay ng quy. Trc vo mu lc quay u Trc ra mu xanh quay khng u. Spherical 4R mechanism 2b http://youtu.be/4XJBJdCt8eY C cu cu 4R T hp hai c cu Spherical 4R mechanism 2a. y l khp ng tc. Spherical 4R mechanism 2c http://youtu.be/pjVjGtRy6T4 C cu cu 4R Bin th ca c cu Spherical 4R mechanism 2a v Spherical 4R mechanism 2b. y l khp ng tc. Spherical 4R mechanism 2d http://youtu.be/mFoiSRWdW5E C cu cu 4R, Khp trc Persian (Ba T) Bin th ca c cu Spherical 4R mechanism 2c bng cch thm nhiu thanh truyn cho cn bng. y l khp ng tc. Spherical 4R mechanism 2e http://youtu.be/SqQ9FLh9ktM C cu cu 4R Bin th ca c cu Spherical 4R mechanism 2a v Spherical 4R mechanism 2b. y l khp ng tc.

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    Spherical 4R mechanism 2f http://youtu.be/vH8r3lC-Fm4 C cu cu 4R, Khp trc Persian (Ba T) Bin th ca c cu Spherical 4R mechanism 2e bng cch thm nhiu thanh truyn cho cn bng. Gc nhn gia trc vo v trc ra l 60 . y l khp ng tc. Spherical 4R mechanism 2g http://youtu.be/M0whLy5hPzg C cu cu 4R, Khp trc Persian (Ba T) Bin th ca c cu Spherical 4R mechanism 2e bng cch thm nhiu thanh truyn cho cn bng. Gc nhn gia trc vo v trc ra l 90 . y l khp ng tc. Bevel Gear Coupling 1 http://www.youtube.com/watch?v=OlQWXFE-yo4 Khp trc bnh rng cn. Khp ng tc. Chiu quay ca trc vo v trc ra ngc nhau. Gc gia chng c th n +/- 75 . Bevel Gear Coupling 2 http://www.youtube.com/watch?v=stswj7cXV0w Khp trc bnh rng cn kp. V tr tng i gia trc vo v trc ra c th bt k, thm ch cho nhau.

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    1.2. Ly hp 1.2.1. Ly hp hai chiu Toothed clutch http://www.youtube.com/watch?v=KKOPif_yF8M Ly hp rng. Trc dn mu cam. ng ly hp bng lc l xo (cng c th bng lc tay). Khng th hin b phn nh v cng gt hng lc ly hp v tr ngt. Synchronic toothed clutch 1 http://youtu.be/On1vXQ_ATu4 Ly hp rng. Trc vo mu xanh v a cn ngoi mu hng lp then trt vi nhau. Trc ra mu lc (c rng mt u) v a cn trong mu cam p then trt vi nhau nh 3 bu lng. ng ly hp: dng cang xm dch a hng sang phi. Trc ht ma st gia hai a cn lm bnh rng lc bt u quay nh vy sau cc rng vo khp d hn. Planetary clutch http://youtu.be/15vsNsWEdBM Ly hp hnh tinh. Trc vo mu cam. Trc ra mu tm. Dng vt mu hng gi hoc th bnh rng rng trong, qua lm trc ra quay hoc dng. Lc bnh rng rng trong khng b gi, h c hai bc t do. Tuy nhin ti trng trc ra gi trc ny ng yn, hn ch mt bc t do. Worm gear clutch 1 http://youtu.be/MXFlmvrsrrE Ly hp trc vt. C lch tm gia trc quay ca trc vt mu cam v ca gi mu xm. Rng ca trc vt v bnh vt phi c ln trn d vo n khp. Khng th hin b phn nh v gi . Nn ng ly hp khi trc dn ngng quay. Mt khp Cac-ng kp (khng th hin) ni trc vt vi ngun dn ng.

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    Worm gear clutch 2 http://youtu.be/s85DSggAZmI Ly hp trc vt. Quay tay gt mu hng (c cht lch tm) nng hoc h u tri ca trc mu cam ng hoc ngt ly hp. Rng ca trc vt v bnh vt phi c ln trn d vo n khp. Khng th hin b phn nh v gi . Nn ng ly hp khi trc dn ngng quay. Thay cho b bnh rng nn cng c th dng khp Cac-ng kp ni trc vt vi ngun dn ng. Thit k ny ly tng ca bng sng ch US patent 20110247440 A1. Rack gear clutch 1 http://youtu.be/PUKfykGfkV4 Ly hp bnh rng thanh rng. Trc vo: tay quay mu hng quay lin tc. Trc ra mang bnh rng vng lc qua li. Dng n mu lc ng, ngt ly hp nh cam mu cam. C cu ny c dng trong my git. Friction clutch 1 http://youtu.be/_FKePQ8PvY0 Ly hp ma st. Trc vo mu cam. ng ly hp bng lc l xo (cng c th bng lc tay). Khng th hin b phn nh v cng gt tm lc ly hp v tr ngt. Friction clutch 2 http://youtu.be/NOwp_BQpNqw Ly hp ma st. Trc vo mu cam. ng ly hp bng lc l xo (cng c th bng lc tay). Khng th hin b phn nh v cng gt hng lc ly hp v tr ngt. Friction clutch 3 http://youtu.be/_mMIk3RcPA0 Ly hp ma st nhiu a. Trc vo mu cam mang ng mu vng. Hai a vu ngoi mu cam lp then trt vi ng vng. Trc ra mu lc. Chi tit mu xanh v hai a vu trong lp then trt vi trc mu lc. ng ly hp bng lc l xo p cc a vu ngoi v vu trong vi nhau qua chi tit mu xanh (cng c th bng lc tay). Khng th hin b phn nh v cng gt xm lc ly hp v tr ngt.

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    Friction clutch 4 http://youtu.be/QqaWJ7PDSg8 Ly hp cn ma st. Trc vo mu cam. ng ly hp bng lc l xo. p bn p ngt truyn ng. Friction clutch 5 http://youtu.be/JlQ0v77oGtE Ly hp ma st. Bc n hi mu xanh c gn vi trc b dn bng mt cht. Bc mu hng mang chm mu lp then trt vi trc vng. Khi bc hng i v bn tri, chm mu nong rng bc n hi. Bc ny tip xc vi mt tr trong ca trc dn mu lc v do ng ly hp nh ma st. Belt clutch 1 http://youtu.be/fM-OMJnaLks Ly hp ai. Bnh ai dn mu xanh, b dn mu cam. Bnh mu lc lp lng khng. Quay tay quay mu hng di chuyn thanh trt mu vng iu khin ly hp. Belt clutch 2 http://youtu.be/83NuMbT_M7Y Ly hp ai. Bnh ai dn mu cam, b dn mu vng. Dng tay n mu xanh a bnh ai mu cam vo gn bnh ai vng ngng truyn ng. Tay n mu tm dng hm bnh ai b dn khi n ngng quay hay quay ngc do vt nng i xung. L xo mu c khuynh hng quay tay n tm nh phanh Centrifugal clutch 1 http://youtu.be/QpwWZloh-cw Ly hp ly tm. Trc vo mu xanh, trc ra mu lc. Phin trt vng lp then trt theo phng vung gc vi trc vo Khi vn tc trc vo tng n mc nh, lc ly tm lm phin trt vng vng ra, p ln mt trong ca trc ra v do ng ly hp nh ma st.

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    Centrifugal clutch 2 http://youtu.be/EwjFznLJJ4I Ly hp ly tm. Trc vo mu lc, trc ra mu xanh. a ma st nu lp then trt vi trc ra mu xanh. Khi vn tc trc vo tng n mc nh, nh lc ly tm, hai n vng y cht mu cam ca a hng v pha a ma st nu v do ng ly hp nh ma st. Centrifugal clutch 3 http://youtu.be/Uw4S9xpZd7Y Ly hp ly tm. Trc vo mu xanh, trc ra mu lc. Hai phin trt vng lp khp lng tr vi trc vo. Khi vn tc trc vo tng n mc nh, phin trt vng b lc ly tm y ra ngoi. a ma st mu hng p ln a ca trc ra vi lc ln nh tc ng khuch i ca khu mu xm, v do ng ly hp nh ma st. Centrifugal clutch 4 http://youtu.be/2oOX0L445Gw Ly hp ly tm. Trc vo mu xanh, trc ra mu lc. Hai n vng quay c trn cht mu cam ca a trc vo mu xanh. Khi vn tc trc vo tng n mc nh, nh lc ly tm, n vng n khp vi rng ca a trc ra mu lc v do ng ly hp.

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    1.2.1. Ly hp mt chiu Jaw clutch http://youtu.be/A6Az-YjwgeA Ly hp vu. Trc vo mu cam. ng ly hp bng lc l xo (cng c th bng lc tay). Khng th hin b phn nh v cng gt hng lc ly hp v tr ngt. Ratchet clutch http://youtu.be/4tz_Q8LhK90 Ly hp rng cc. Cc mu hng ni trc vo mu cam vi trc ra mu xanh. Quay cht mu lc c rnh xon iu khin ly hp. Pin clutch http://youtu.be/wcYKttiovDA Ly hp cht, dng cho my dp nh. Bnh ai ln quay lin tc. p bn p tm ng ly hp. Khi l xo y cht vo on rnh vng trn bnh ai, bnh ai c ni vi trc khuu. Khng th hin l xo ko bn n tr li khi b chn khi bn p. Nu khng b bn p, trc khuu s quay (dp) lin tc. Rotary key clutch http://youtu.be/f6q34XHP5Aw Ly hp then quay, dng cho my dp c va. Bnh ai ln quay lin tc. ng ly hp, hy p bn p (khng th hin) ko con trt xanh xung. Khi then quay mu hng c th quay (do l xo) vo chm rnh trn bnh ai, bnh ai c ni vi trc khuu. Nh bn p, con trt xanh i ln, ngt ly hp. Nu khng nh bn p, trc khuu s quay (dp) lin tc. Hnh nh cho thy then quay quay trong l trn to bi trc khuu v bnh ai khi chng ng yn. One way clutch 1 (gear) http://youtu.be/X_fbDb4F5ZU Ly hp 1 chiu 3 bnh rng. Bnh rng xanh l bnh dn. C mt chiu quay ca n lm bnh rng vng nng ln (do lc n khp), ngt truyn ng. C cu ch dng cho vn tc nh v c va p.

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    One way clutch 3 (jaw) http://youtu.be/dMNlTVka8vc Ly hp vu mt chiu. Trc vo c th quay hai chiu nhng ch truyn ng cho trc ra c mt chiu. C va p khi trc ra khng c truyn ng, nn ch dng cho vn tc nh. One way clutch 4 (slider) http://youtu.be/nSP6F7qn1LM Ly hp mt chiu. a dn mu hng c th quay hai chiu nhng ch truyn ng cho a vng c mt chiu. C cu c va p nn ch dng cho vn tc nh. One way clutch 5 (spring) http://youtu.be/Cshn6B2l2WQ Ly hp mt chiu l xo. Trc dn mu xanh c th quay hai chiu nhng ch truyn ng cho trc vng c mt chiu. Chiu quay c khuynh hng lm nh l xo s c truyn cho trc vng nh ma st gia l xo v hai trc. Vi chiu quay ngc li trc vng c th quay nu khng c lc cn t vo n. Khng cn c nh hai u l xo vi trc. Ch cn lc bp nh ca l xo vi trc l c. Hng xon ca l xo quyt nh chiu truyn ng. One way clutch 6 (spring) http://youtu.be/DESoTn5ui1c Ly hp mt chiu l xo. Trc dn mu xanh c th quay hai chiu nhng ch truyn ng cho trc vng c mt chiu nh l xo hng. Chiu quay c khuynh hng lm nh l xo hng s c truyn cho trc vng nh ma st gia l xo hng v hai trc. Bc mu xanh ng yn. L xo mu cam dng gi trc ra mu vng ng yn khi n khng c truyn ng. Khng cn c nh hai u l xo vi trc. Ch cn lc bp nh ca l xo vi trc l c. Hng xon ca l xo quyt nh chiu truyn ng. One way clutch 7 (helical gear) http://youtu.be/iL8gOluzKUk Ly hp mt chiu bnh rng xon. Trc dn mu xanh c th quay hai chiu nhng ch truyn ng cho trc lc c mt chiu. Trc mu hng dch dc khi trc vo o chiu (do thnh phn lc dc sinh ra trong b truyn rng xon). C cu c va p rng nn ch dng cho vn tc nh.

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    Face gear 14 http://youtu.be/CiaumcAX9ik Ly hp mt chiu bnh rng xon. Trc dn mu xanh c th quay hai chiu nhng ch truyn ng cho trc vng c mt chiu. Trc mu hng dch dc khi trc vo o chiu (do thnh phn lc dc sinh ra trong b truyn rng xon). Vng mu cam th hin bi chn. C cu c va p rng nn ch dng cho vn tc nh.

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    1.2.3. Ly hp o chiu 4-Roller clutch http://youtu.be/15vsNsWEdBM Ly hp o chiu 4 con ln. Con ln xanh: ch ng. Con ln mu cam: b dn. Hai con ln nh quay lng khng. Dng cn mu hng dng hay o chiu con ln b dn. Nhc im ca c cu l cn c b phn lc p (khng th hin) to ma st ch cc con ln xanh v hai con ln nh tip xc vi nhau. 4-Gear clutch http://youtu.be/9pCcmDICEOQ Ly hp o chiu 4 bnh rng. Bnh rng xanh: ch ng. Bnh rng mu cam: b dn. Hai bnh rng nh quay lng khng. Dng cn mu hng dng hay o chiu bnh rng b dn. Cn bin php c nh cn mu hng ti 3 v tr lm vic ca n (khng th hin). Nhc im ca c cu l c va p gia bnh rng mu cam v hai bnh rng nh khi o chiu. Gear and Roller clutch http://youtu.be/GcGHLRV7cnE Ly hp o chiu bnh rng v con ln. Bnh rng xanh: ch ng. Con ln mu cam: b dn. Hai cp bnh rng v con ln nh quay lng khng. Dng cn mu hng dng hay o chiu con ln b dn. C cu ny trnh c nhc im ca c cu 4 con ln hoc c cu 4 bnh rng nu ti: http://youtu.be/15vsNsWEdBM http://youtu.be/9pCcmDICEOQ Reverse mechanism 1 http://youtu.be/Hc22Jqs8FhY C cu o chiu. Tay gt tm c 3 v tr: tin, dng, li. Khng th hin c cu bi l xo nh v tay gt. Bnh rng xanh v lc lun n khp vi nhau. Khi bnh rng hng bn tri n vi bnh rng xanh, bn trt xm tin. Khi bnh rng hng bn phi n vi bnh rng lc, bn trt xm li. V tr dng l dng bn trt hay chnh v tr ca n (quay vit me mu cam). C cu dng cho vn tc chm. Vi vn tc nhanh: dng trc dn trc khi o chiu.

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    Bevel gear clutch for changing rotation direction 1 http://www.youtube.com/watch?v=lLm1Vqc7xVE Ly hp cn o chiu Bevel gear clutch for changing rotation direction 2 http://youtu.be/4cgamhTkBYQ Ly hp cn o chiu t ng. Bnh rng hng: ch ng. Trc ra bnh rng mu cam quay ti lui. Hai bnh rng xanh quay lng khng trn trc mu cam. Ly hp ng mu trng lp then trt vi trc mu cam. Trng lng ca vt nng trn n mu lc to lc ng ly hp. B truyn bnh rng cn bn phi dng iu khin ly hp. Tr s gc quay ti lui ca trc ra ph thuc t s truyn ca b truyn ny. C th dng c cu l xo lt tc ng nhanh thay cho vt nng. V d: http://youtu.be/KaRBadgcUlU Chain drive 1E http://youtu.be/Dkfwev3-Xug Truyn ng xch t o chiu hng chuyn ng ca xch. Trn hnh trn: khu dn l a xch mu cam, hai a xch tm b dn. M phng cho thy hot ng ca a xch dn v xch lc o chiu: chuyn ng t tri sang phi chuyn thnh t phi sang tri. Khi o chiu ngc li (chuyn ng t phi sang tri chuyn thnh t tri sang phi) qu trnh xy ra tng t: xch i t pha di ca a xch dn ln pha trn. Tm dn mu vng v khu mu hng ng vai tr ch yu. Thi gian gia hai ln o chiu ph thuc chiu di xch.

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    1.2.4. Ly hp siu vit Ratchet mechanism 5 http://youtu.be/bAL_nWjuhOI Lp xe p. Vnh rng xanh nhn chuyn ng t ngi p xe. Moay vng ch quay khi vnh rng quay theo chiu kim ng h. Cc lun b p v pha moay vng bi mt l xo. Thc t c hai cc c dng trong lp xe p. Nu moay vng l khu dn quay theo chiu kim ng h th khng lm vnh rng xanh quay theo. Roller overrunning clutch 2 http://youtu.be/H4SiM5Dcblg Ly hp siu vit. Vnh mu lc v a xanh quay quanh c nh. Mi tn ch chiu quay ca khu dn theo tng lc. Khi vnh l khu dn, chuyn ng quay hai chiu ca n ch truyn cho a xanh theo chiu kim ng h. Khi a xanh l khu dn, chuyn ng quay hai chiu ca n ch truyn cho vnh mu lc theo chiu ngc kim ng h. Two way overrunning clutch 1 http://youtu.be/-Y_SQGMRx8k Ly hp siu vit hai chiu. Vnh mu xanh v cng hng quay quanh c nh. a mu lc quay khng trn trc cng hng. Mi tn ch chiu quay ca tng khu dn theo tng lc. 1. Khi vnh xanh l khu dn, chuyn ng quay hai chiu ca n truyn cho a lc nh cc con ln chn vo gia a xanh v vnh lc (con ln mu cam cho chiu ngc kim ng h, con ln mu vng cho chiu kim ng h). Chuyn ng quay ca a lc c truyn cho cng hng nh tip xc n hi qua l xo, bc v con ln (con ln vng cho chiu kim ng h, con ln mu cam cho chiu ngc kim ng h). 2. Khi cng hng l khu dn, chuyn ng quay hai chiu ca n truyn cho a lc nh tip xc n hi qua con ln, bc v l xo (con ln cam cho chiu kim ng h, con ln vng cho chiu ngc kim ng h). Khng th truyn ng cho vnh xanh v khng c hin tng chn con ln. 3. Khi a lc l khu dn, chuyn ng quay hai chiu ca n truyn cho vnh xanh nh cc con ln chn vo gia a xanh v vnh lc (con ln mu cam cho chiu kim ng h, con ln mu vng cho chiu ngc kim ng h). Chuyn ng quay ca a lc c truyn cho cng hng nh tip xc n hi qua l xo, bc v con ln (con ln vng cho chiu kim ng h, con ln mu cam cho chiu ngc kim ng h). Tm li, chuyn ng quay hai chiu ch c th truyn t vnh xanh n cng hng. Truyn ngc li l khng th. Cng hng v a lc lun quay cng nhau. Nu gi vnh xanh c nh, chuyn ng quay ch c th truyn t cng hng n a lc. Truyn ngc li l khng th, gy kt c cu. Khi a lc khng th ng vai tr khu dn.

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    Two way overrunning clutch 2 http://youtu.be/VgciAZMn7Zc Ly hp siu vit hai chiu. Vnh mu xanh v cng hng quay quanh c nh. a van mu lc quay khng trn trc cng hng. L xo nu p cc con ln vo khe chm gia vnh v a. Mi tn ch chiu quay ca tng khu dn theo tng lc. Chuyn ng quay hai chiu c th truyn t vnh xanh cho cng hng. Khng th truyn theo chiu ngc li. Cng hng v a van lun quay cng nhau. y l mt bin th ca c cu: Two way overrunning clutch 1 http://youtu.be/-Y_SQGMRx8k Roller overrunning clutch 3 http://youtu.be/LLJJsPTaKic Ly hp siu vit. Vnh mu xanh v cng hng quay quanh c nh. a mu lc quay khng trn trc cng hng. Mi tn ch chiu quay ca tng khu dn theo tng lc. 1. Khi vnh xanh l khu dn, chuyn ng quay ngc chiu kim ng h ca n truyn cho a lc nh cc con ln vng chn vo gia a lc v vnh xanh. Chuyn ng quay cng chiu kim ng h ca vnh xanh khng th truyn cho cng hng. 2. Khi cng hng l khu dn, chuyn ng quay hai chiu ca n truyn cho a lc nh tip xc n hi qua con ln vng, bc v l xo (cho chiu kim ng h), hoc tip xc trc tip gia cng hng v a lc (cho chiu ngc kim ng h). Khng th truyn ng cho vnh xanh v khng c hin tng chn con ln. 3. Khi a lc l khu dn, chuyn ng quay cng chiu kim ng h ca n truyn cho vnh xanh nh cc con ln vng chn vo gia a lc v vnh xanh. Chuyn ng quay ngc chiu kim ng h ca a lc khng th truyn cho vnh xanh. Chuyn ng quay ca a lc c truyn cho cng hng nh tip xc n hi qua l xo, bc v con ln vng (cho chiu ngc kim ng h), hoc bng tip xc trc tip gia a lc v cng hng (cho chiu kim ng h). Ball overrunning clutch 1 http://youtu.be/qRmwoGlQ7V8 Ly hp siu vit dng bi. Trc mu xanh v lc quay quanh c nh. L xo lun p cc bi vng vo khe chm gia hai trc. Mi tn ch chiu quay ca tng khu dn theo tng lc. Khi trc xanh l khu dn, trong chuyn ng quay hai chiu ca n ch c chiu ngc kim ng h l truyn c cho trc lc. Khi trc lc l khu dn, trong chuyn ng quay hai chiu ca n ch c chiu kim ng h l truyn c cho trc xanh.

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    Sprag overrunning clutch 1 http://youtu.be/0gwzmLh03Bw Ly hp siu vit dng chm. Trc mu xanh v lc quay quanh c nh. L xo xanh v cht duy tr s tip xc gia cc chm vng v hai trc. Mi tn ch chiu quay ca tng khu dn theo tng lc. Khi trc xanh l khu dn, trong chuyn ng quay hai chiu ca n ch c chiu kim ng h l truyn c cho trc lc. Khi trc lc l khu dn, trong chuyn ng quay hai chiu ca n ch c chiu ngc kim ng h l truyn c cho trc xanh. Sprag overrunning clutch 2 http://youtu.be/6R8t0pnh7sk Ly hp siu vit dng chm. Trc mu xanh v lc quay quanh c nh. L xo ng duy tr s tip xc gia cc chm vng, cht hng v hai trc. Mi tn ch chiu quay ca tng khu dn theo tng lc. Khi trc xanh l khu dn, trong chuyn ng quay hai chiu ca n ch c chiu kim ng h l truyn c cho trc lc. Khi trc lc l khu dn, trong chuyn ng quay hai chiu ca n ch c chiu ngc kim ng h l truyn c cho trc xanh. Sprag overrunning clutch 3 http://youtu.be/_pTC2iCmRkY Ly hp siu vit dng n quay. Trc mu xanh v lc quay quanh c nh. L xo duy tr s tip xc gia cc chm vng, cht hng v hai trc. Mi tn ch chiu quay ca tng khu dn theo tng lc. Khi trc xanh l khu dn, trong chuyn ng quay hai chiu ca n ch c chiu kim ng h l truyn c cho trc lc. Khi trc lc l khu dn, trong chuyn ng quay hai chiu ca n ch c chiu ngc kim ng h l truyn c cho trc xanh. Sprag overrunning clutch 4 http://youtu.be/NagjHuASAoc Ly hp siu vit dng chm quay. Trc mu xanh v lc quay quanh c nh. L xo duy tr s tip xc gia cc chm vng vi rnh ch V ca trc lc. Mi tn ch chiu quay ca tng khu dn theo tng lc. - Khi trc xanh l khu dn, trong chuyn ng quay hai chiu ca n ch c chiu kim ng h l truyn c cho trc lc. - Khi trc lc l khu dn, trong chuyn ng quay hai chiu ca n ch c chiu ngc kim ng h l truyn c cho trc xanh. - Nu gi trc lc c nh, trc xanh ch c th quay theo chiu ngc kim ng h. N b t ng phanh li khi quay theo chiu kim ng h: c cu chng quay ngc.

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    Screw overrunning clutch 1 http://youtu.be/M4d_8VpNe9k Ly hp siu vit vt me. Trc mu xanh v lc quay quanh c nh. ai c vng c cn ngoi v c khp vt (ren phi) vi trc xanh. L xo c khuynh hng quay ai c vng theo chiu kim ng h bo m tip xc mt cn ca ai c vng v trc mu lc. Mi tn ch chiu quay ca tng khu dn theo tng lc. Khi trc xanh l khu dn v quay ngc chiu kim ng h, trc lc c xu hng gi ai c bt ng. ai c c xu hng i v pha trc lc, p lc tip xc mt cn tng, trc lc quay cng trc xanh. Khi trc xanh l khu dn v quay cng chiu kim ng h, trc lc c xu hng gi ai c bt ng. ai c c xu hng i xa trc lc, p lc tip xc mt cn gim, trc lc ng yn. Tm li: - Khi trc xanh l khu dn, trong chuyn ng quay hai chiu ca n ch c chiu ngc kim ng h l truyn c cho trc lc. - Khi trc lc l khu dn, trong chuyn ng quay hai chiu ca n ch c chiu kim ng h l truyn c cho trc xanh. - Nu gi trc lc c nh, trc xanh ch c th quay theo chiu ngc kim ng h. N b t ng phanh li khi quay theo chiu kim ng h: c cu chng quay ngc. C cu ny c to trn my tnh v cha qua kim nghim thc t Screw gear overrunning clutch http://youtu.be/2IlHyu6msTk Ly hp siu vit bnh rng xon. Khung mu lc v bnh rng xanh quay quanh c nh. Khung mang hai bnh rng vng c cn mu nu. Mi tn ch chiu quay ca tng khu dn theo tng lc. 1. Nu khung lc l khu dn: - Khi khung quay ngc chiu kim ng h, lc n khp bnh rng (thnh phn dc trc) y trc bnh rng vng v pha cn trong ca khung, trc vng khng th quay v lm bnh rng xanh quay. - Khi khung quay cng chiu kim ng h, lc n khp bnh rng (thnh phn dc trc) y trc bnh rng vng ra xa cn trong ca khung, trc vng quay lng khng v bnh rng xanh ng yn do ti trng lm vic. 2. Nu bnh rng xanh l khu dn: - Khi bnh rng xanh quay ngc chiu kim ng h, lc n khp bnh rng (thnh phn dc trc) y trc bnh rng vng ra xa cn trong ca khung, trc vng quay lng khng v khung b gi khng quay do ti trng lm vic - Khi bnh rng xanh quay cng chiu kim ng h, lc n khp bnh rng (thnh phn dc trc) y trc bnh rng vng v pha cn trong ca khung, trc vng khng th quay v lm khung quay. Mt bin th ca c cu ny c to bng cch thay th 3 bnh rng xon bng b truyn bnh vt trc vt khng t hm (mt bnh vt v hai trc vt)

  • 26

    Roller overrunning clutch 3 http://youtu.be/Hvr8LC-Ph7w Ly hp siu vit con ln. Trc vo mu xanh quay hai chiu. Trc ra mu lc quay cng trc dn ch vi chiu quay do v tr cn mu hng xc nh. Cht mu cam lun p con ln vo khe chm gia trc vo v trc ra. L xo ca cht xanh phi khe nh v cn mu hng. Two-way anti-reverse transmission 1a http://youtu.be/wZjoNIkYQqM Truyn ng chng quay ngc. Trc vo mu hng truyn chuyn ng quay cho trc ra mu lc theo c hai chiu. Chiu truyn ngc li t trc lc sang trc hng l khng th do cc con ln vng chn vo gia trc mu lc v vnh ngoi c nh. C cu c tnh nng t hm nh b truyn trc vt nhng t s truyn l 1/1. N c th dng cho h iu khin chuyn ng nu ng c servo cn ngh (ngt in) khi khng cn c chuyn ng iu khin. Xem thm: Two way overrunning clutch 1 http://youtu.be/-Y_SQGMRx8k Two-way anti-reverse transmission 1b http://youtu.be/5DBfEdX5Ow8 y l mt dnh ca c cu nu Two-way anti-reverse transmission 1a http://youtu.be/wZjoNIkYQqM Trc vo mu hng truyn chuyn ng quay cho trc ra mu lc theo c hai chiu. Chiu truyn ngc li t trc lc sang trc hng l khng th do cc con ln chn vo gia trc mu lc v vnh ngoi c nh. C cu c tnh nng t hm nh b truyn trc vt nhng t s truyn l 1/1. N c th dng cho h iu khin chuyn ng nu ng c servo cn ngh (ngt in) khi khng cn c chuyn ng iu khin. Xem thm: Two way overrunning clutch 2 https://www.youtube.com/watch?v=VgciAZMn7Zc

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    1.3. Bnh rng 1.3.1. Bnh rng tr 1.3.1.1. B truyn c nh Novikov gearing http://youtu.be/oHQ4ZaiRbgc n khp Nvicp. c im: n khp rng xon, bin dng trn, li tip xc vi lm. Tip xc im Kh nng ti v hiu sut cao hn n khp thn khai. Herringborne gear http://youtu.be/K_i4kU_L8Lw B truyn bnh rng ch V. Do ghp hai bnh rng xon chiu xon khc nhau nn c u im ca b truyn rng xon: m v khng n nhng li khng c nhc im ca n l lc chiu trc. Sheet metal gears 1 http://youtu.be/c1nnWtySorQ Bnh rng t thp tm. Dng cho ti nh, r, d sn xut hng lot. Sheet metal gears 4 http://youtu.be/NCAawnVw8tM Bnh rng t thp tm. Dng cho ti nh, r, d sn xut hng lot. L b truyn hai bnh rng nn nhng trc song song. Standard transmission between 3 teeth gears (or screws) http://www.youtube.com/watch?v=VlWn4GO5SUE Mi bnh rng c 3 rng, chiu xon gia hai bnh ngc nhau. Hai bnh quay ngc chiu nhau.

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    Screw gear drive 1a http://youtu.be/6F5GqB89Lkc B truyn bnh rng xon M un php mn = 2 mm Bnh rng nh: - Gc xon phi B1 = 30 - M un mt u ms1 = 2.31 - S rng Z1 = 20 - ng knh vng chia D1 = 46.2 mm Bnh rng ln: - Gc xon phi B2 = 60 - M un mt u ms2 = 4.0 - S rng Z2 = 30 - ng knh vng chia D2 = 120 mm Gc gia hai trc E = B1 + B2 = 90 . T s truyn: i = Z2/Z1 = 1.5 (khng phi D2/D1 = 2.6) Screw gear drive 1b http://youtu.be/_gE1v6ahjk4 B truyn bnh rng xon B truyn gm mt bnh rng nh (hng) v mt bnh rng lm (xanh) nhng t s truyn l 1. Rng xon gy ra iu tng l v l ny. M un php mn mn = 2 mm Bnh rng hng: - Gc xon B1 = 0 , - M un mt u ms2 = mn = 2 mm - S rng Z1 = 18 - ng knh vng chia D1 = 36.0 mm Bnh rng xanh: - Gc xon phi B2 = 45 . - M un mt u ms2 = 2.83 - S rng Z2 = 18 - ng knh vng chia D2 = 50.91 mm Gc gia hai trc E = B1 + B2 = 45 . T s truyn: i = Z2/Z1 = 1 (khng phi D2/D1 = 1.41) Screw gear drive 2 http://youtu.be/MJRtf_RMUa8 B truyn bnh rng xon M un php mn = 2 mm + Bnh rng nh: - Gc xon tri B1 = 30 - S rng Z1 = 15 - ng knh vng chia D1 = 34.64 mm + Bnh rng ln: - Gc xon phi B2 = 30 - S rng Z2 = 30 - ng knh vng chia D2 = 69.28 mm Gc gia hai trc E = B1 + B2 = 60 . T s truyn: i = Z2/Z1 = D2/D1 = 2

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    Screw gear drive 3 http://youtu.be/7bxZzhRREA8 B truyn bnh rng xon M un php mn = 2 mm + Bnh rng nh: - Gc xon tri B1 = 30 - S rng Z1 = 15 - ng knh vng chia D1 = 34.64 mm + Bnh rng ln: - Gc xon tri B2 = 30 - S rng Z2 = 30 - ng knh vng chia D2 = 69.28 mm Gc gia hai trc E = B1 + B2 = 60 deg. T s truyn: i = Z2/Z1 = D2/D1 = 2 Trc bnh rng ln v bnh rng nh khng song song d bnh rng ln n khp bn ny hay bn kia bnh rng nh. Screw gear drive 4 http://youtu.be/WZRst3BMCag B truyn bnh rng xon. Video nhm th hin: 1. Trong b truyn bnh rng tr hai trc song song (xanh), nu dng rng xon th gc xon phi bng nhau v ngc chiu xon. 2. Trong b truyn rng xon trc vung gc cho nhau (vng v hng): Gc xon B1, B2 phi cng chiu xon, B1 + B2 90 . B truyn vng c gc xon phi. B truyn hng c gc xon tri. Nu cc bnh dn (bnh rng nh) quay cng chiu th cc bnh b dn (bnh rng ln) quay ngc chiu nhau. Screw gear drive 5 http://youtu.be/IYIVnTsG4E8 B truyn bnh rng xon. Bnh rng nh mu cam: - Gc xon phi B1 = 45 Bnh rng nh mu xanh: - Gc xon tri B1 = 45 Bnh rng ln: - Gc xon phi B1 = 45 Gc gia trc bnh rng nh v bnh rng ln ca b truyn mu xanh E = B1 - B2 = 0 Gc gia trc bnh rng nh v bnh rng ln ca b truyn mu cam E = B1 + B2 = 90 Ch chiu quay ca cc bnh rng ln trong tng b truyn. B truyn mu cam: ngc nhau. B truyn mu xanh: cng chiu. Spur gear drive 1a http://youtu.be/zrUbFHnom1g B truyn bnh rng tr. Bnh rng dn mu xanh ch c 1 rng. Khong cch gia hai mt u ca bnh rng ny phi ln hn bc rng chiu trc. Bnh rng b dn mu vng c 10 rng. T s truyn: 1/10

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    Spur gear drive 1b http://youtu.be/DLJQTXQaBSE B truyn bnh rng tr. Bnh rng dn mu xanh ch c 1 rng. Khong cch gia hai mt u ca bnh rng ny phi ln hn bc rng chiu trc. Bnh rng b dn mu vng c 10 rng. T s truyn: 1/10 Spur gear drive 1c http://youtu.be/L6Z5GY3DoI8 B truyn bnh rng tr. Mi bnh rng (trc vt) ch c 1 rng. Khong cch gia hai mt u ca bnh rng phi ln hn bc rng chiu trc. Coaxial rotation reverser of 4 spur pinions http://youtu.be/MB7zUQCQRxI B o chiu ng trc 4 bnh rng tr. Khu dn: bnh rng hng. Khu b dn: bnh rng xanh. Chng c cng s rng. Bnh rng lc v vng quay lng khng. Bnh rng lc n vi bnh rng vng v xanh. Bnh rng vng n vi bnh rng lc v hng. S rng ca bnh rng lc v vng c th ty . Khu dn v khu b dn quay ngc chiu nhau, vn tc bng nhau. C cu ny thay cho b o chiu 3 bnh rng cn khi khng mun c cc trc vung gc vi nhau. 3-gear coupling 1 https://www.youtube.com/watch?v=uCzyQT930JY Khp trc 3 bnh rng tr. Khng cn cho bnh rng rng trong. Z1 = Z2 = 20 Z3 = 30 Z1, Z2 l s rng ca cc bnh rng rng ngoi Z3 l s rng ca bnh rng rng trong Cc bnh rng Z1, Z2 c cng vn tc v chiu quay. Nu Z1 khc Z2 th vn tc khc nhau. 3-gear coupling 2 https://www.youtube.com/watch?v=nBCts0-4KIs Khp trc 3 bnh rng tr. Khng cn cho bnh rng rng trong. Z1 = 20, Z2 = 40 Z3 = 50 Z1, Z2 l s rng ca cc bnh rng rng ngoi Z3 l s rng ca bnh rng rng trong Cc bnh rng Z1, Z2 c cng chiu quay. T s truyn l 2.

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    1.3.1.2. B truyn c di ng Internal and external gears http://youtu.be/a4I0ZBnQ_20 B truyn rng trong v rng ngoi. B truyn bn tri c th thay c bng b truyn bn phi khi khng mun ch to rng trong. Chng cho kt qu nh nhau (cc ng xanh). Ch phi ko di cn v thm mt bnh rng kp. Trong video ny s rng ca cc bnh c nh bng 3 ln s rng ca cc bnh rng c trc di ng nn ng xanh l ng deltoid. Reductor with gears of equal number of teeth 4 http://www.youtube.com/watch?v=dNsMZF7boCM Gim tc bng cc bnh rng c cng s rng, mt bi ton nghe qua th tng l khng th. Bnh rng c nh. Bnh rng vng n khp vi bnh rng Bnh rng lc n khp vi bnh rng vng v xanh. Trc xanh quay nhanh gp i tay quay mu hng. Screw gear drive 6 http://youtu.be/CC3L22A7M-E B truyn bnh rng xon hnh tinh. M un php mn = 2 mm + Bnh rng nh: - Gc xon tri B1 = 30 - S rng Z1 = 15 + Bnh rng ln: - Gc xon tri B2 = 30 - S rng Z2 = 30 Gc gia hai trc E = B1 + B2 = 60 ng mu xanh l qu tch ca mt im trn bnh rng nh (epicycloid khng gian?) Screw gear drive 7 http://youtu.be/hYjZuVhpEbQ B truyn bnh rng xon hnh tinh. M un php mn = 2 mm + Bnh rng nh: - Gc xon tri B1 = 30 - S rng Z1 = 15 + Bnh rng ln: - Gc xon phi B2 = 30 - S rng Z2 = 30 Gc gia hai trc E = B1 + B2 = 60 ng mu xanh l qu tch ca mt im trn bnh rng nh (hypocycloid khng gian?)

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    Screw gear drive 8 http://youtu.be/5AizQPWoGxI B truyn bnh rng xon hnh tinh Khung xanh v bnh rng hng quay quanh trc c nh. Khung mang hai bnh rng quay lng khng trn n. C cu hnh tinh c hai bc t do. Khu dn l khung mu xanh v bnh rng hng. Video th hin khung quay u cn bnh rng hng lc u ng yn sau quay u. Reductor with gears of equal number of teeth 3 http://www.youtube.com/watch?v=H0aqcwNbMOA Gim tc bng cc bnh rng c cng s rng, mt bi ton nghe qua th tng l khng th. Trc mu lc quay nhanh hn cng mu xanh 2 ln. Chuyn ng quay ca bnh rng mu xanh c truyn n trc mu luc qua c cu Oldham. Planetary Reduction Gear 1 with Oldham coupling http://www.youtube.com/watch?v=78gkc9mPT-w B gim tc hnh tinh vi khp Oldham. S rng ca bnh rng c nh (rng trong) Z1 = 40 S rng ca bnh rng hnh tinh Z2 = 38 M un m = 2 mm lch tm do trc xanh gy nn 2 mm. T s truyn i = - Z2 / (Z1 - Z2) = -19 Chuyn ng quay ca bnh rng mu hng c c cu Oldham truyn n trc mu lc. Planetary Reduction Gear 2 http://www.youtube.com/watch?v=MGVSRrI0ir4 B gim tc hnh tinh S rng ca bnh rng c nh (rng trong) Z1 = 40 S rng ca hai bnh rng hnh tinh ( v hng) Z2 = 38 M un m = 2 mm Trc tm c hai c trc lch tm 2 mm lch nhau 180 . Bnh rng v hng quay trn hai c . T s truyn i = - Z2 / (Z1 - Z2) = -19 Chuyn ng quay ca bnh rng hng v c truyn n trc mu lc nh 4 cht. Planetary Reduction Gear 3 http://www.youtube.com/watch?v=XCpMWxyM9yc B gim tc hnh tinh S rng ca bnh rng Z1 = 40 S rng ca bnh rng xanh Z2 = 38 M un m = 2 mm lch tm do trc lc gy nn 2 mm. Bnh rng xanh Z2 tnh tin trn do tm vng chuyn ng tnh tin thng. T s truyn i = Z1 / (Z1 - Z2) = 20

  • 33

    Planetary Reduction Gear 4 http://www.youtube.com/watch?v=RmUYrYai1S4 B gim tc hnh tinh S rng ca bnh rng Z1 = 40 S rng ca bnh rng xanh Z2 = 38 M un m = 2 mm lch tm trn trc lc e =2 mm. Bnh rng xanh Z2 c chuyn ng tnh tin trn nh tm c nh mu xanh. Bn knh ca hai l trn tm xanh = e + bn knh cht ca bnh rng xanh. T s truyn i = Z1 / (Z1 - Z2) = 20 Planetary Reduction Gear 5 http://www.youtube.com/watch?v=czG3I4u8xMY B gim tc hnh tinh S rng ca bnh rng Z1 = 38 S rng ca bnh rng xanh Z2 = 40 M un m = 2 mm lch tm trn trc tm e = 2 mm. Bnh rng xanh Z2 lp trn phn lch tm ca trc tm. N c chuyn ng tnh tin trn nh tm c nh mu nu. Bn knh ca hai l trn tm nu = e + bn knh cht ca bnh rng xanh. T s truyn i = Z1 / (Z1 - Z2) = 20 Planetary Reduction Gear 6 http://youtu.be/U7WEXjV0t0A B gim tc hnh tinh Trc vo mu cam mang bnh rng lc (Z1 = 40 rng) n khp vi bng rng vng c nh (Z2 = 44 rng). Trc ra mu hng c a 4 cht n khp vi 4 l ca bnh rng lc. Hiu bn knh ca 4 l v 4 cht bng lch tm ca trc mu cam. i = n1/n3 = Z1/(Z2-Z1) = 10 n1: vn tc vo n3: vn tc ra Nu (Z2-Z1) nh v Z1 ln, i rt ln. Trc vo v trc ra quay ngc chiu nhau. Planetary Reduction Gear 7 http://youtu.be/FBb9jIbf5xE B gim tc hnh tinh S rng ca bnh rng xanh Z1 = 40 S rng ca bnh rng vng Z2 = 36 M un m = 2 mm lch tm ca trc vo mu cam (vn tc u V) l 4 mm. Tm mu hng l thanh truyn ca c cu bnh hnh c hai cn lc lc. Mt cht trn bnh rng vng v phn tr trn trc mu cam trt trong rnh ca tm hng. Tm hng c chuyn ng tnh tin. Phng ca n khng i trong khi chuyn ng. Bnh rng trc ra mu xanh Z1 quay u vi vn tc V1: V1 = V.((Z1 - Z2)/Z1) = V/10

  • 34

    Crank for small angle rotation http://youtu.be/WAIg5tR1fzM Tay quay gc b. Tay quay dn mu lc vn tc Ng. Trc ra mu hng vn tc Np. Bnh rng vng c nh. Bnh rng xanh v tm ghp c nh vi nhau. S rng ca bnh rng hng, vng, xanh v tm ln lt l: Zp = 20, Zy = 19, Zb = 20, Zv = 19 Ng/Np = (Zp.Zb) / ( Zp.Zb Zv.Zy) = 10.26 Trc ra quay chm hn tay quay dn khong 10 ln, cng chiu. Planetary Reduction Gear 8 http://youtu.be/l-2-v3Bkfp8 Hp gim tc hnh tinh Khu dn: cng tm vn tc Nv. Khu b dn: bnh rng cn mu cam vn tc No. 3 bnh rng cn c cng s rng. Khi bnh rng vng c bnh rng tr Zy rng. Khi bnh rng lc c bnh rng tr Zg rng Khi bnh rng hng c bnh rng tr bn tri Zp1 rng v bn phi Zp2 rng Zy + Zp1 = Zg + Zp2 No = Nv(1-A)/(1+A) y A = (Zp1.Zg)/(Zy.Zp2) Trng hp ny: Zy = Zp2 = 21; Zg = Zp1 = 20 No = Nv/20.51 Nu Zy = Zp2 = 101; Zg = Zp1 = 100 No = Nv/100.5 3 bnh rng cn bo m hai khi bnh rng vng v lc quay ngc chiu nhau cng vn tc. Dng 4 bnh rng tr cng lm c vic ny. Xem: https://www.youtube.com/watch?v=MB7zUQCQRxI 3-gear planetary mechanism A1 http://youtu.be/ZwdF96B55lY B truyn hnh tinh 3 bnh rng. i = nc/n1 = Z1/(Z1+Z3) nc: vn tc ca tay quay xanh n1: vn tc ca bnh rng mu cam, s rng Z1 = 20 Z2 = 20, s rng ca bnh rng vng Z3 = 60, s rng ca bnh rng rng trong mu xanh c nh. Z1 + 2Z2 = Z3 i = 1/4 Cn v bnh rng mu cam lun quay cng chiu khng ph thuc s rng.

  • 35

    3-gear planetary mechanism A2 http://youtu.be/MfYuWLOqSwQ B truyn hnh tinh 3 bnh rng. i = nc/n3 = Z3/(Z1+Z3) nc: vn tc ca tay quay xanh n3: vn tc ca bnh rng rng trong mu lc, s rng Z3 = 60 Z1 = 20, s rng ca bnh rng c nh mu cam Z2 = 20, s rng ca bnh rng vng Z1 + 2Z2 = Z3; i = 3/4 Cn, bnh rng lc v vng lun quay cng chiu khng ph thuc s rng. 3-gear planetary mechanism B http://youtu.be/FMnWeK9-obg B truyn hnh tinh 3 bnh rng. i3 = n3/nc = (Z1 + Z3)/Z3 i2 = n2/nc = (Z1 + Z2)/Z2 nc: vn tc ca cn mu xanh n3: vn tc ca bnh rng mu lc, s rng Z3 = 50 n2: vn tc ca bnh rng mu vng, s rng Z2 = 20 Z1 = 24, s rng ca bnh rng c nh mu cam Cn, bnh rng lc v vng lun quay cng chiu khng ph thuc s rng. 3-gear planetary mechanism C http://youtu.be/-y1_foDmOtY B truyn hnh tinh 3 bnh rng. i3 = n3/nc = (Z3 Z1)/Z3 i2 = n2/nc = (Z2 - Z1)/Z2 nc: Vn tc ca tay quay xanh n2: Vn tc ca bnh rng lc, s rng Z2 = 50 n3: Vn tc ca bnh rng vng, s rng Z3 = 20 Z1 = 24, S rng ca bnh rng c nh mu cam 3-gear planetary mechanism D http://youtu.be/JhCTd-LeZHU B truyn hnh tinh 3 bnh rng. i3 = n3/nc = (Z1 + Z3)/Z3 i2 = n2/nc = (Z2 - Z1)/Z2 nc: Vn tc ca tay quay xanh. n3: Vn tc ca bnh rng vng, s rng Z3 = 20 n2: Vn tc ca bnh rng mu cam, s rng Z2 = 20 Z1 = 70, s rng ca bnh rng c nh mu lc 3-gear planetary mechanism E http://youtu.be/upo4rQWg_EI B truyn hnh tinh 3 bnh rng. i3 = n3/nc = (Z3 Z1)/Z3 i2 = n2/nc = (Z1 + Z2)/Z2 nc: Vn tc ca tay quay xanh. n3: Vn tc ca bnh rng lc, s rng Z3 = 20 n2: Vn tc ca bnh rng vng, s rng Z2 = 20 Z1 = 24, s rng ca bnh rng c nh mu cam Tay quay, bnh rng vng lun quay cng chiu. Chiu quay ca bnh rng xnh l ph thuc hiu (Z3-Z1).

  • 36

    4-gear planetary mechanism A http://youtu.be/5dSVJxebzLY B truyn hnh tinh 4 bnh rng. C cu o chiu quay i = n1/nc = 1 - ((Z2.Z4)/(Z1.Z3) nc: Vn tc ca tay quay xanh. n1: Vn tc ca bnh rng mu cam, s rng Z1 = 20. Z2 = 40 (bnh rng vng); Z3 = 30 (bnh rng hng); Z4 = 30 (bnh rng c nh mu lc) Z1 + Z2 = Z3 + Z4 i = - 1 Tay quay xanh v bnh rng mu cam c cng vn tc nhng ngc chiu quay. 4-gear planetary mechanism B http://youtu.be/DcegsYhZEug B truyn hnh tinh 4 bnh rng. i = nc/n1 = 1/(1+ ((Z2.Z4)/(Z1.Z3))) nc: Vn tc ca tay quay xanh. n1: Vn tc ca bnh rng mu cam, s rng Z1 = 20. Z2 = 30 (bnh rng vng); Z3 = 20 (bnh rng hng); Z4 = 30 (bnh rng c nh mu xanh) Z1 + Z2 = Z4 Z3 i = 4/25 Tay quay xanh v bnh rng mu cam lun quay cng chiu, khng ph thuc s rng. 4-gear planetary mechanism C http://youtu.be/hW7Vrl7WskU B truyn hnh tinh 4 bnh rng. i = nc/n4 = 1/(1+ ((Z1.Z3)/(Z2.Z4))) nc: Vn tc ca tay quay lc. n4: Vn tc ca bnh rng rng trong mu xanh, s rng Z4 = 70. Z2 = 30 (bnh rng vng); Z3 = 20 (bnh rng hng); Z1 = 20 (bnh rng c nh mu cam) Z1 + Z2 = Z4 Z3 i = 21/25 Tay quay xanh v bnh rng rng trong mu xanh lun quay cng chiu, khng ph thuc s rng. 4-gear planetary mechanism D http://youtu.be/-JBWH6UvZtM B truyn hnh tinh 4 bnh rng. i = n1/nc = 1 ((Z2.Z4)/(Z1.Z3)) n1: Vn tc ca bnh rng rng trong mu lc, s rng Z1 = 44 nc: Vn tc ca tay quay xanh Z2 = 24 (bnh rng vng); Z3 = 20 (bnh rng hng); Z4 = 40 (bnh rng c nh rng trong mu cam). Bnh rng vng v hng ghp c nh vi nhau. Z1 - Z2 = Z4 Z3 i = -1/11 Tay quay xanh v bnh rng mu lc quay ngc chiu nhau trong trng hp ny.

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    4-gear planetary mechanism E http://youtu.be/c09J2mDX1yI B truyn hnh tinh 4 bnh rng i = n1/nc = 1 ((Z2.Z4)/(Z1.Z3)) n1: Vn tc ca bnh rng vng, s rng Z1 = 44 nc: Vn tc ca tay quay xanh Z2 = 44 (bnh rng rng trong mu lc); Z3 = 40 (bnh rng rng trong mu cam); Z4 = 20 (bnh rng c nh mu hng). Bnh rng lc v cam ghp c nh vi nhau. Z2 Z1 = Z3 Z4 i = 1/12 Tay quay xanh v bnh rng vng quay cng chiu trong trng hp ny. 4-gear planetary mechanism F http://youtu.be/798M628MUlM B truyn hnh tinh 4 bnh rng i = n4/nc = 1 + ((Z1.Z3)/(Z2.Z4)) n4: Vn tc ca bnh rng vng, s rng Z4 = 20 nc: Vn tc ca tay quay xanh Z2 = 20 (bnh rng mu cam); Z3 = 60 (bnh rng rng trong mu lc); Z1 = 20 (bnh rng c nh mu hng). Bnh rng lc v cam ghp c nh vi nhau. Z1 + Z2 = Z3 Z4 i = 4 Tay quay xanh v bnh rng vng lun quay cng chiu, khng ph thuc s rng. 4-gear planetary mechanism G1 http://youtu.be/22hIFLhfDio B truyn hnh tinh 4 bnh rng i = n4/nc = 1 Z1/Z4 nc: Vn tc ca tay quay xanh. n4: Vn tc ca bnh rng lc, s rng Z4 = 100. Z2 = Z3 = 20 (cc bnh rng hng); Z1 = 50 (bnh rng c nh mu cam) i = 1/2 Tay quay xanh v bnh rng lc lun quay cng chiu, khng ph thuc s rng. 4-gear planetary mechanism G2 http://youtu.be/ZZN3JBacmlM B truyn hnh tinh 4 bnh rng, c cu o chiu quay. i = n1/nc = 1 Z4/Z1 nc: Vn tc ca tay quay xanh. n1: Vn tc ca bnh rng mu cam, s rng Z1 = 50 Z2 = Z3 = 20 (cc bnh rng hng); Z4 = 100 (bnh rng c nh mu lc) i = - 1 Tay quay xanh v bnh rng mu cam c cng tc nhng ngc chiu quay.

  • 38

    4-gear planetary drive 1 http://www.youtube.com/watch?v=OXy-ayPXFJM B truyn hnh tinh 4 bnh rng S rng ca: - vnh rng c nh: 60 - cc bnh rng khc: 20 N1 = 4 Nc N1: Vn tc ca bnh rng mu cam Nc: Vn tc ca tay quay 4-gear planetary drive 2 http://www.youtube.com/watch?v=BrCUnruM1j8 B truyn hnh tinh 4 bnh rng S rng ca: - vnh rng: 60 - cc bnh rng khc: 20 N2 = (4/3) Nc N2: vn tc ca vnh rng Nc: vn tc ca tay quay 4-gear offset planetary drive 1 http://www.youtube.com/watch?v=jZ3BTzQ3ULw B truyn hnh tinh 4 bnh rng S rng ca: - cc bnh rng hnh tinh: 20 - vnh rng c nh: 60 M un: 2 mm Chiu di tay quay = lch tm ca quay c nh so vi vnh rng, 17 mm. N1 = 2Nc N1: Vn tc ca bnh rng mu cam Nc: Vn tc ca tay quay Mt khong khng gian tng gim ng k (ht/nn) c to ra gia cc bnh rng hnh tinh v vnh rng nn c cu ny c th p dng cho bm. 4-gear offset planetary drive 2 http://www.youtube.com/watch?v=UEtjQV10SVw B truyn hnh tinh 4 bnh rng S rng ca: - vnh rng: 60 - cc bnh rng khc: 20 M un: 2 mm Chiu di tay quay = lch tm ca quay c nh so vi bnh rng mu cam, 17 mm. N2 = (2/3)Nc N2: Vn tc ca vnh rng Nc: Vn tc ca tay quay Mt khong khng gian tng gim ng k (ht/nn) c to ra gia cc bnh rng hnh tinh v vnh rng nn c cu ny c th p dng cho bm.

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    Parallelogram mechanism with gears 2 http://www.youtube.com/watch?v=2eFUqqiqOyk C cu bnh hnh c bnh rng Bnh rng rng trong mu cam s rng Z5 ng thi l thanh truyn. Z4 s rng ca bnh rng Z2 s rng ca bnh rng lc. Z1 s rng ca hai bnh rng tm Quan h vn tc: 4 = 2.(Z2/Z1).(Z5/Z4 - 1) 2: vn tc ca Z2. 4: vn tc ca Z4. Reductor with gears of equal number of teeth 1 http://www.youtube.com/watch?v=wXX-kt7XPYE Gim tc bng cc bnh rng c cng s rng, mt bi ton nghe qua th tng l khng th. Cc tay quay quay chm hn bnh rng 2 ln. Parallelogram mechanism with gears 1 http://www.youtube.com/watch?v=JSaX43kX9CI C cu bnh hnh c bnh rng. Bnh rng , s rng Z2, lin thanh truyn mu xanh. Bnh rng xanh rng trong, s rng Z1. Quan h vn tc: 1 = c.(1-Z2/Z1) 1: vn tc bnh rng Z1 c: vn tc tay quay tm Gear and linkage mechanism 6a http://www.youtube.com/watch?v=8Va05aWWTk0 C cu thanh v bnh rng Bnh rng hng v cam ghp c nh vi nhau. Bnh rng hng v xanh lp khp quay vi thanh mu lc. Bnh rng mu cam v tm lp khp quay vi thanh mu vng. Cc bnh rng c cng s rng. Hai thanh v khi bnh hng v cam to thnh c cu 4 khu bn l. Bnh rng cam v hng ghp vi nhau sao cho ng trc ca bnh rng ny i qua vng chia ca bnh rng kia. Khu dn l bnh rng mu cam, quay u. Cc thanh chuyn ng lc. Bnh rng tm v xanh quay khng u v c lc dng. Chuyn ng ca chng ph thuc kch thc ca c cu 4 khu.

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    Gear and linkage mechanism 6b http://youtu.be/f727Y_sfjJQ C cu thanh v bnh rng Bnh rng hng v cam ghp c nh vi nhau. Bnh rng hng v xanh lp khp quay vi thanh mu lc. Bnh rng mu cam v tm lp khp quay vi thanh mu vng. Cc bnh rng c cng s rng. Hai thanh v khi bnh hng v cam to thnh c cu 4 khu bn l. Bnh rng cam v hng ghp vi nhau sao cho ng trc ca bnh rng ny i qua vng chia ca bnh rng kia. Khu dn l bnh rng mu tm, quay u. Cc thanh v bnh rng xanh quay khng u. Chuyn ng ca chng ph thuc kch thc ca c cu 4 khu. Gear and linkage mechanism 7 http://youtu.be/4lgI3KnQ8sQ C cu thanh v bnh rng Bnh rng xanh, bnh rng ln c nh mu vng nht v cn mu cam to thnh c cu hnh tinh. S rng ca chng l 25 v 50. Thanh mu lc lp khp quay vi bnh rng xanh. Bnh rng lp khp quay vi bnh rng ln v khp trt vi thanh mu lc. Khi cn mu cam quay u th bnh rng quay khng u. Ngoi kch thc hnh hc, chuyn ng ca n cn ph thuc v tr gia cht ca bnh rng xanh v bnh rng ln khi lp rp. Gear and linkage mechanism 11a http://youtu.be/gzMpuO2klGU C cu thanh v bnh rng S rng ca bnh rng xanh: 25 S rng ca bnh rng vng: 20 S rng ca bnh rng hng: 25 Trc quay ca bnh rng hng khng phi l tm hnh hc ca n. Khu dn mu hng quay u. Bnh rng xanh quay khng u. Gear and linkage mechanism 11b http://youtu.be/j2QFbgwHwBU C cu thanh v bnh rng Khu dn: cn mu cam c gn bnh rng Khu b dn: bnh rng vng Bnh rng xanh quay lng khng. Ty ng knh cc bnh rng, khu b dn c th quay, dng ngn hay thm ch o chiu. Gear and linkage mechanism 11c http://youtu.be/WYrsowuLBn8 C cu thanh v bnh rng S rng ca bnh rng : 20. S rng ca bnh rng tm: 45 S rng ca hai bnh rng vng: 15 v 40. Bnh rng v tay quay lp c nh vi nhau v quay u. Chuyn ng ca bnh rng tm phc tp, ph thuc kch thc cc khu.

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    Gear and linkage mechanism 12 http://youtu.be/g9nYKdroNhM C cu thanh v bnh rng S rng ca bnh rng lc: 20 S rng ca bnh rng mu cam: 40 S rng ca bnh rng c nh mu vng: 20 Khu dn l tay quay mu hng quay u. Bnh rng mu lc v mu cam quay khng u. Gear and linkage mechanism 14 http://youtu.be/g0T0saXkA-E C cu thanh v bnh rng Ba bnh rng c cng s rng Bnh rng mu vng trong c nh. Bn knh tay quay ca hai bnh rng mu cam bng bn knh vng chia ca chng. Khu dn l cn mu lc quay u Trc ra mu xanh quay khng u, c lc dng. ng mu hng v lc l qu tch ca tm cc con ln . Gear and linkage mechanism 16 http://youtu.be/lMXCPIT4XRY C cu thanh v bnh rng Tay quay mu xanh, thanh mu lc v thanh truyn bnh rng mu cam to thnh c cu 4 khu bn l. Trc quay ca tay quay xanh v bnh rng hng thng hng. Trc quay ca thanh mu lc v bnh rng hng khng thng hng. Khu dn l tay quay mu xanh, quay u. Bnh rng hng b dn quay khng u. Planetary drive 3a http://youtu.be/m_iEoDa2hZg B truyn hnh tinh. Bnh rng dn mu xanh s rng Z1 quay u. Tay quay mu cam l cn ca b truyn hnh tinh. Bnh rng vng hnh tinh s rng Z2 v thanh vng ghp c nh vi nhau. Tay quay mu cam quay khng u. Nu Z1 = n.Z2, con trt hng i li n ln trong 1 vng quay ca bnh rng xanh. y n = 2. Planetary drive 3b http://youtu.be/bep4vLlzR0g B truyn hnh tinh. Tay quay mu cam quay u (khu dn) l cn ca b truyn hnh tinh. Bnh rng vng hnh tinh s rng Z2 v thanh vng ghp c nh vi nhau. Con trt hng lc quanh trc c nh Bnh rng rng trong mu xanh s rng Z1 quay khng u. Nu Z1 = n.Z2, bnh rng xanh quay 1 vng khi tay quay dn quay n vng. y n = 2.

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    Gear, rack and linkage mechanism 2 http://youtu.be/i-wC0g5RZSo C cu thanh v bnh rng thanh rng. Tay quay mu lc, con trt thanh rng vng v a xanh to thnh c cu cu lit. Trc quay ca a xanh v bnh rng hng thng hng. Trc quay ca tay quay mu lc v a xanh khng thng hng. Khu dn l a mu xanh, quay u. Bnh rng hng v tay quay mu lc quay khng u. Gear, rack and linkage mechanism 3 http://youtu.be/-4ZrABfkOxM C cu thanh v bnh rng thanh rng. Cn mu tm, hai bnh rng vng, bnh rng xanh v lc to thnh c cu hnh tinh vi sai. Bnh rng xanh ni vi cn tm qua bnh rng hng, thanh rng mu cam v c cu sin Khu dn l bnh rng hng, quay u. Bnh rng b dn mu lc quay khng u. Chuyn ng ca n l tng ca chuyn ng quay u v quay khng u theo hm sin. Cam and gear mechanism 12 http://youtu.be/_XsQhBFrGlM C cu cam v bnh rng Trc vo mang bnh rng hng. Khi hai bnh rng vng v cam quay lch tm lng khng trn tay quay lc. Trc ra mang bnh rng xanh, ng trc vi trc vo, quay khng u. y l b truyn hnh tinh c cam mu cam iu khin chuyn ng ca cn. Bin dng cam quyt nh quy lut chuyn ng ra. S rng bnh rng xanh Zb = 24 S rng bnh rng hng Zp = 12 S rng hai bnh rng vng 12 and 18 Chu k hot ng: 4 vng quay ca trc dn. Cam-controlled planetary gear 1 http://youtu.be/JKJfXL6TYXU C cu bnh rng hnh tinh c cam iu khin Cam rnh c nh. Bnh rng trung tm quay trn c nh. Cn hnh tinh mu vng quay trn ng trc vi bnh rng . Qut rng mu lc (bnh rng hnh tinh) mang con ln chy trong rnh cam. Nu cn hnh tinh vng l khu dn quay u, bnh rng b dn c th c nhiu kiu chuyn ng ty theo bin dng rnh cam v s rng bnh rng. Trong video ny bin dng l ng trn lch tm. Bnh rng b dn quay c lc dng. 1 vng trc dn ng vi 1 vng trc b dn.

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    Cam-controlled planetary gear 2 http://youtu.be/B5XkX2ct0P8 C cu bnh rng hnh tinh c cam iu khin Cam rnh c nh. Bnh rng trung tm quay trn c nh. Cn hnh tinh mu vng quay trn ng trc vi bnh rng . Qut rng mu lc (bnh rng hnh tinh) mang con ln chy trong rnh cam. Nu cn hnh tinh vng l khu dn quay u, bnh rng b dn c th c nhiu kiu chuyn ng ty theo bin dng rnh cam v s rng bnh rng. Trong video ny bin dng l ng e lp lch tm. 1 vng trc dn ng vi 1 vng trc b dn. Bnh rng b dn quay ngc hai ln trong 1 chu k. Cam and gear mechanism 11 http://youtu.be/5PT5H_tMa2E C cu cam v bnh rng Khu dn l bnh rng xanh mang cam quay u. Bnh rng rng trong b dn quay khng u. Mechanism of cams planar motion 3 http://youtu.be/vIU9uzsOLbU C cu cam v bnh rng. Khu dn l tay quay xanh quay u. Bnh rng vng c nh. Cam mu cam ghp c nh vi bnh rng nh c chuyn ng hnh tinh. L xo duy tr tip xc gia con ln v cam. Tay quay b dn mu hng quay khng u. Barrel cam and helical gears 1 http://youtu.be/QzPfy8KnB6E Cam thng v bnh rng xon. Trc vo mang bnh rng lc v cam thng, va quay u va i li dc trc. Trc ra mu hng quay khng u. Mc khng u ph thuc gc xon ca bnh rng v bin dng cam thng. Barrel cam and helical gears 2 http://youtu.be/M7Wa-W6wqqY Cam thng v bnh rng xon. Trc trung gian mu xanh ch c th di chuyn dc trc nh cam thng mu lc. Khi hai bnh rng xon quay lng khng trn trc mu xanh. Trc ra mu hng quay khng u. Mc khng u ph thuc gc xon ca bnh rng v bin dng cam thng.

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    1.3.2. Bnh rng cn Bevel Gears 1 http://www.youtube.com/watch?v=kbBswXcIiKo B truyn bnh rng cn. Gc gia hai trc < 90 . Bevel Gears 2 http://www.youtube.com/watch?v=Payj9xoQNjw B truyn bnh rng cn. Gc gia hai trc = 90 . Bevel Gears 3 http://www.youtube.com/watch?v=fSfmEXJxebc B truyn bnh rng cn. Gc gia hai trc > 90 . Gc nh cn chia ca bnh rng ln l 180 . Bevel Gears 4 http://www.youtube.com/watch?v=omFu1uOtTEk B truyn bnh rng cn. Gc gia hai trc gn bng 180 . Gc nh cn chia ca bnh rng ln l 180 . Bevel Gears 5 http://www.youtube.com/watch?v=S0fAeqzIA3k B truyn bnh rng cn. Bnh rng cn rng trong. Bevel Gears 6 http://www.youtube.com/watch?v=p_ZqoHcTQOU B truyn kp bnh rng cn ng trc. Bevel Gears 7 http://www.youtube.com/watch?v=EIHiPaJiIGk B truyn kp bnh rng cn ng trc.

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    Sheet metal gears 3 http://youtu.be/BSvZs3uNNn0 B truyn bnh rng cn lm t thp mng, dp rng trc ri un. Dng cho ti nh. R, d sn xut hng lot. Sheet metal gears 5 http://youtu.be/h6SRmSO2Mzo B truyn bnh rng cn. Mt bnh lm t thp mng, dp rng trc ri un. Bnh rng kia lm bng cch p n hay ct gt. Dng cho ti nh. R, d sn xut hng lot. Reductor with gears of equal number of teeth 2 http://www.youtube.com/watch?v=aP1hr_9hQLA Gim tc bng cc bnh rng c cng s rng, bi ton vn c coi l khng c li gii. Bnh rng xanh quay nhanh gp i trc mu ng. Satellite Bevel Gear 8 https://www.youtube.com/watch?v=K7j8Pi4ATd0 B truyn hnh tinh. Bnh rng lc c nh. Bnh rng hng quay lng khng trn trc vng. Trc bnh rng hng khng vung gc vi trc quay ca trc vng. Vy = Vb.Zb/(Zb+Zg) Vp = Vy(Zg/Zp) Vb, Vy: vn tc ca bnh rng xanh v trc vng. Vp: vn tc ca bnh rng hng i vi trc vng. Zg, Zb, Zp: ln lt l s rng ca bnh rng lc, xanh v hng. Khng d chn c cc s rng bo m iu kin lp cho b truyn ny, nht l khi c vi bnh rng hng b tr i xng quanh trc vng. Reductor with gears of equal number of teeth 5 http://www.youtube.com/watch?v=DT7N5GfLOUE Gim tc bng cc bnh rng c cng s rng, bi ton vn c coi l khng c li gii. Cc bnh rng tm, quay lng khng trn trc mu ng. Bnh rng vng lp c nh vi trc mu ng. Bnh rng lc quay nhanh gp 3 ln bnh rng xanh. Satellite Bevel Gear 1 http://www.youtube.com/watch?v=EXuUtS-jvQs B truyn hnh tinh.

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    Satellite Bevel Gear 2 http://www.youtube.com/watch?v=YrSbMaC4Fx4 B truyn hnh tinh. Satellite Bevel Gear 3 http://www.youtube.com/watch?v=rLDyDe9eaXs B truyn hnh tinh. Satellite Bevel Gear 4 http://www.youtube.com/watch?v=JJfQAcXirhI B truyn hnh tinh. Satellite Bevel Gear 5 http://www.youtube.com/watch?v=nsk5zRCciww B truyn hnh tinh. Satellite Bevel Gear 6 http://www.youtube.com/watch?v=P1FX2Q5E1lk B truyn hnh tinh. Satellite Bevel Gear 7 http://www.youtube.com/watch?v=hV2LwzHDh2Q B truyn hnh tinh. Satellite Bevel Gear http://www.youtube.com/watch?v=eT_rtLEcjIs Pa lng xch dng hai bnh rng cn. n2 = n1 (Z2-Z1)/Z2 n1: Vn tc trc mu cam n2: Vn tc bnh rng mu lc Z1: s rng ca bnh rng xanh Z2: s rng ca bnh rng lc

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    Planetary drive 2 http://youtu.be/PuQ1K77piRM C cu qun si. Bnh rng hng, bnh rng hnh ting vng v cn lc to nn b truyn hnh tinh vi sai. Cn lc l khu dn. Bnh rng hnh tinh vng v cun si quay quanh trc thng ng v quanh trc bn thn. Ngoi ra bnh rng hng cn nhn chuyn ng t b truyn trc vt v bnh ai xanh. Chuyn ng ny bin i vn tc quay ca cun si quanh trc ca n.

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    1.3.3. B truyn trc vt Worm Drive 1: Gear box http://youtu.be/FZ1HQB4DEuQ Hp gim tc, ni tip 3 b truyn trc vt. Trc vo mu vng, trc ra mu hng. Chng thng hng. T s truyn ca tng b truyn: i1, i2, i3. T s truyn tng: i = i1.i2.i3 = 30.20.20 = 12.000 Worm Drive 2: Gear box http://youtu.be/iQZegMhoYeU Hp gim tc: 1 trc vt truyn ng cho 3 bnh vt, 3 trc ra.

    Worm Drive 4: Rotating and rolling worm http://youtu.be/HVUwMqEiHBw Bn nghing dng cho my ct kim loi. Trc vt va quay quanh trc ca n, va ln trn bnh vt. Worm Drive 5: Rotating and translating worm http://youtu.be/kTCqSWVO32A Ngoi chuyn ng quay, trc vt dn cn di chuyn dc nh cam thng. Bnh vt trong khi quay ti c lc quay lui. Worm Drive 6: Wheel rotating around worm http://www.youtube.com/watch?v=4gS5QgwIkok Bnh vt quay quanh trc vt. Kim cho thy bnh vt c quay quanh trc ca n. Trong 1 vng quay quanh trc vt, bnh vt cn quay Z1/Z2 vng quanh trc bn thn. Z1: s u mi ren trc vt Z2: s rng bnh vt.

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    Worm Drive 7: Rotating and rolling worm loci http://youtu.be/aOFozC13Wvg Trc vt quay quanh trc bn thn ng thi ln trn bnh vt. Mt im ca trc vt (trong mt phng vung gc vi trc quay ca n v cha trc quay ca bnh vt) vch ng xon trn mt xuyn (mu lc). Mt im ca trc vt khng nm trong mt phng ni trn vc ng xon trn mt xuyn cho (mu cam). Worm Drive 8: Wheel rotating around worm locus http://youtu.be/RcsllgLLm70 Bnh vt va quay quanh trc bn thn va quay quanh trc vt. ng mu cam l qu tch ca im thuc bnh vt nm trong mt phng vung gc vi trc quay ca n v cha trc quay ca trc vt. Khong cch ca im ny n trc quay ca bnh vt bng khong cch trc ca trc vt v bnh vt. Sheet metal gears 8 http://youtu.be/zqYFVNY1CYA B truyn trc vt. Dng cho ti nh. R, d sn xut hng lot. Trc vt l a kim loi, x ra v to xon. Trc vt ch lm vic vi mt chiu quay. Worm Drive 9: Roller-Wheel http://youtu.be/DNCOcXpccCk B truyn trc vt, rng bnh vt l con ln gim tn hao do ma st. Worm Drive 10: Spring-Worm http://youtu.be/s71Vo2jSBuA B truyn trc vt. L xo to nn trc vt v gim chn ng nng. Worm Drive 11: Spring-Worm, Pinned Wheel http://youtu.be/928LPTiLgnc B truyn trc vt. Mt cch ch to nh cht cho bnh vt v l xo cho trc vt.

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    Worm Drive 12: Multiplying gear http://youtu.be/YdfAwjfSYsA B truyn trc vt. Khu dn l bnh mu xanh. Trc vt b dn ren bc ln. Worm Drive 13: Slotted Wheel http://youtu.be/1V4x20xwbvo B truyn trc vt. Cch lm bnh vt bng vt liu mng t rnh. Kiu ny c p dng cho vng kp ng cao su, xem: http://kalyx.com/images/full/images_J/J_380030.jpg Globoidal gear http://youtu.be/wM4xuxoqiDI B truyn trc vt lm. Globoid worm and pin gear http://youtu.be/k5UuUUFP6b8 B truyn trc vt lm. Rng bnh vt l cc cht. Globoid worm and roller drive http://youtu.be/xxsgE8acedw B truyn trc vt lm dng cho c cu li t. Trc vt c ni vi v lng xe. Cc con ln vng lm gim ma st tip xc. Trc vt lm hot ng tt hn trc vt thng. Globoid worm and pin drive http://youtu.be/NI4fmw2YRRk B truyn trc vt lm dng cho c cu li t. Trc vt c ni vi v lng xe. Cht quay vng lm gim ma st tip xc. Trc vt lm hot ng tt hn trc vt thng.

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    Worm and external gear http://youtu.be/vgDblGX8xFg Trc vt v bnh rng rng ngoi. M un php mn = 2 mm Trc vt dn: - S mi ren Z = 2 - Gc nng LA = 10.81 . - Hng xon: phi - ng knh vng chia D = 20 mm Bnh rng: - Gc xon phi B2 = 45 - S rng Z2 = 30 - ng knh vng chia D2 = 84.85 mm Gc gia trc quay trc vt v bnh rng L = 55.81 T s truyn: i = Z2/Z1 = 15 Worm and internal gear http://youtu.be/jQFkUKiEwWU Trc vt v bnh rng rng trong. M un php mn = 2 mm Trc vt dn: - S mi ren Z = 2 - Gc nng LA = 10.81 . - Hng xon: phi - ng knh vng chia D = 20 mm Bnh rng: - Gc xon phi B2 = 30 - S rng Z2 = 30 - ng knh vng chia D2 = 69.28 mm Gc gia trc quay trc vt v bnh rng L = 40.81 T s truyn: i = Z2/Z1 = 15 Rotary transmission between screw and nut http://www.youtube.com/watch?v=KterrnNi-oA Truyn ng gia vt v ai c. n1/n2 = Z2/Z1 = D2/D1 = P2/P1 = 2 n1, n2: vn tc vt, ai c Z2, Z1: s mi ren ca ai c, vt D2, D1: ng knh trung bnh ca ai c, vt P2, P1: bc xon ca ren ca ai c, vt Vt v ai c c ren cng chiu xon phi v quay cng chiu. Rotary transmission between screws http://www.youtube.com/watch?v=R-Dy2eZ8Y64 Truyn ng gia hai vt. n1/n2 = Z2/Z1 = D2/D1 = P2/P1 = 2 n1, n2: vn tc vt 1, 2 Z1, Z2: s mi ren vt 1, 2 D1, D2: ng knh trung bnh ca vt 1, 2 P1, P2: bc xon ca ren ca vt 1, 2 Hai vt c hng xon ngc nhau v quay ngc chiu nhau

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    1.3.4. Bnh rng cht Pin gear drive 1A http://youtu.be/5Wj3y08y4nQ Bnh rng cht, t s truyn i = 12/24 Bnh cht mu cam, bnh rng mu xanh Bin dng rng l ng bao ca h ng trn cht, tm ca chng trn ng epicycloid (n khp ngoi) hay hypocycloid (n khp trong) c vch ra bi tm ng trn cht khi bnh cht ln khng trt trn bnh rng. Pin gear drive 1B http://youtu.be/F6hr0np0zsY Bnh rng cht, t s truyn i = 9/22 Pin gear drive 1C http://youtu.be/yQLhCzcUexM Bnh rng cht, t s truyn i = 8/9 Pin gear drive 1D http://youtu.be/JA9lKOEsCV4 Bnh rng cht, t s truyn i = 2/22 Pin gear drive 1E1 http://youtu.be/nOLV6L-3fsU Bnh rng cht, t s truyn i = 2/3 Pin gear drive 1E2 http://youtu.be/X9pqNhfv5fo Bnh rng cht, t s truyn i = 2/3 Mt dng khc ca Pin gear drive 1E1 vi cht xon v rng xon.

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    Pin gear drive 1F http://youtu.be/nW1XrnThuRs Bnh rng cht, t s truyn i = 3/4 Pin gear drive 1G http://youtu.be/hDWFOLADxsU Bnh rng cht, t s truyn i = 9/8 Pin gear drive 1H1 http://youtu.be/XXeFMr5kFl0 Bnh rng cht, t s truyn i = 1/10 Pin gear drive 1H2 http://youtu.be/Gge11gvnM08 Bnh rng cht, t s truyn i = 2/24 Pin gear drive 1H3 http://youtu.be/EocIZWlEAsY Bnh rng cht, t s truyn i = 3/24 Pin gear drive 1I1 http://youtu.be/L5oN9EiksOA Bnh rng cht, t s truyn i = 1/2 Bin dng rng l ng thng. C cu c mt v tr khng n nh, khi ng tm cht v ng tm bnh rng xanh thng hng. Trnh iu bng cch dng cht v rng xon. Xem: Pin gear drive 1I2 Pin gear drive 1I2 http://youtu.be/nGMOC7STi5E Bnh rng cht, t s truyn i = 1/2 Ci tin c cu Pin gear drive 1IA

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    Pin gear drive 1M http://youtu.be/yW8RGxV8xTU Bnh rng cht, t s truyn i = 10/12 Tm cc cht khng nm trn vng ln ca bnh cht. Hai vng nt t l hai vng ln ca c cu. Bin dng rng l ng bao ca h ng trn cht, tm ca chng trn ng hypocycloid thu ngn c vch ra bi tm ng trn cht khi bnh cht ln khng trt trn bnh rng. Pin gear drive 1K http://youtu.be/N37KHV8CD6M Bnh rng cht. Bnh rng xanh quay gin on. Trong 1 vng quay ca bnh cht, bnh xanh quay 1 vng ri dng. D dng chnh thi gian quay dng bng cch thm bt cht. Khng th hin b phn gi bnh xanh ng yn khi dng. Pin gear drive 2 http://youtu.be/649flFhwUHE Bnh rng cht. Mt u im ca bnh rng cht (mu vng): c th n khp trong v n khp ngoi cng mt lc. Pin gear drive 3A http://youtu.be/h1l82ose0w4 Bnh rng cht. B gim tc cycloid. Trc vo c on lch tm mu cam mang bnh rng xanh quay lng khng. Thc cht bnh ny l bnh rng cht, s cht Z1 = 8, n khp vi bnh rng vng c nh, s rng Z2 = 9. Trc ra mu hng c a v 4 cht n khp vi 4 l ca bnh cht xanh. Hiu bn knh cht v l bng ng lch tm ca trc dn mu cam. T s truyn i = n1/n3 = Z1/(Z2-Z1) = 8 n1: vn tc trc vo n3: vn tc trc ra Nu (Z2-Z1) nh v Z1 ln, i rt ln Trc vo v trc ra quay cng chiu. Pin gear drive 3B http://youtu.be/mEx2qzJH37c Bnh rng cht. Mt u im ca bnh rng cht: c th n khp trong v n khp ngoi cng mt lc. Trc vo mu cam c on lch tm mang bnh cht , s rng Z2 = 9, n khp vi bnh rng trc ra mu xanh, s rng Z1 = 8, v bnh rng c nh mu vng, s rng Z3 = 10 T s truyn i = nc/n1 = Z1/(Z3-Z1) = 4 nc: vn tc trc vo n1: vn tc trc ra Nu (Z1-Z3) nh v Z1 ln, i rt ln Trc vo v trc ra quay ngc chiu. C th lp vng bi ln cht c b gim tc khng ma st trt.

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    Multishaft driller http://youtu.be/gLEKqk-8CEY u khoan nhiu trc dng b truyn vt. Cc trc ra quay cng chiu v cng vn tc vi trc vo, mc du khong cch trc gia trc ra v trc vo khc nhau. Xem thm: http://www.youtube.com/watch?v=QfiJSTRDASs Pin gear drive 5 http://youtu.be/0n8wOO795Eg Bnh rng cht. Trc vo mu xanh lp then trt vi bnh rng hng. Trc ra l a xanh c cc cht nm trn 3 vng trn ng tm. iu chnh v tr bnh rng hng dc trc xanh c 3 vn tc tin v 3 vn tc li ca trc ra. Video cho thy 2 vn tc tin v 1 vn tc li. B truyn c khe h o chiu rt ln. Space pin gear drive 1 http://youtu.be/VhyoKuoOv-8 Bnh rng cht khng gian. Space pin gear drive 2 http://youtu.be/O5C8pUquixM Bnh rng cht khng gian. Tm cc cht nm trong mt phng nghing, trn mt elip. Bnh cht mu cam va quay va ln xung. Ln nh lc n khp, xung do trng lc (c th thay bng l xo). Space pin gear drive 3 http://youtu.be/RNP0O3NbWZA Bnh rng cht khng gian. Bnh cht vng va quay lc va ln xung. Tm cc cht nm trn ng xon tr. Mt u trc ca bnh rng xanh trt theo rnh khp kn trn bnh cht vng. C cu ny ly t video v my git: http://www.youtube.com/watch?v=-Eu2ca6MSUA do mt bn trn YouTube (Mr. SolaPazEnergy) gii thiu. Pin coupling 6 http://www.youtube.com/watch?v=zfXDfoOAnrY C cu hnh tinh to t Pin Coupling 5 http://www.youtube.com/watch?v=QfiJSTRDASs Phng ca thanh mu gn vi trc xanh khng i trong khi truyn ng.

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    1.3.5. Bnh rng mt u Face gear 1 http://youtu.be/4QDNN8zon6k B truyn bnh rng mt u dng chun. Face gear 2 http://youtu.be/MIPrAhNj7ag B truyn bnh rng mt u vi bnh rng tr rng xon. Face gear 3 http://youtu.be/b9zeHMyvUbY B truyn bnh rng mt u trc cho nhau. Face gear 16 http://youtu.be/ayOxgYGHCL0 Mt bin th ca b truyn bnh rng mt u: gc gia hai trc c th khc 90 . Sheet metal gears 6 http://youtu.be/2AMF48m9AX8 B truyn bnh rng mt u: bnh ln dp t phi tm, bnh nh lm t phi thanh. Dng cho ti nh. R, d sn xut hng lot. Sheet metal gears 7 http://youtu.be/Rb37-daSLQ4 B truyn bnh rng mt u. Bnh rng mu cam c rng mt u c bit: vnh ln sng to rng, n khp vi bnh rng kia c mt trn v mt di. Dng cho ti nh. R, d sn xut hng lot.

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    Face gear 7 http://youtu.be/QElC9kO-3BQ Bnh rng mt u: truyn ng cho cnh qut my bay trc thng (Lewis Research Center, Cleveland, Ohio, USA). Hai ng c t ngang (mu tm) truyn m men cho trc ng mu vng, trc ny ni vi cnh qut qua hp gim tc hnh tinh (khng th hin).C cu phn m men u ra nhiu trc qua nhiu ng truyn nh vy gim ti cho cc rng. Bnh rng mt u cho php d khc phc sai s do ch to, lp rp, do bin i nhit v rung ng i vi cc cp n khp. Face gear 8 http://youtu.be/dKYLYy8X4ts B truyn hnh tinh bnh rng mt u. Planetary mechanism with face gear. Bnh rng mu lc c nh, s rng Z1 = 40 Bnh rng vng c Z2 = 30 rng n2/nc = (Z1+Z2)/Z2 = 7/3 nc: vn tc trc xanh n2: vn tc trc vng Khc vi b truyn hnh tinh bnh rng tr thng, khng c rng buc gia cc s rng Z1, Z2 v s rng ca cc bnh rng hng. Face gear 10 http://youtu.be/-sA5_-3ZSa4 C cu o chiu quay bng bnh rng mt u. Trc vo mu hng. Di chuyn thanh trt xanh bng tay. Face gear 11 http://youtu.be/vVRfKdGLjZ0 C cu gim tc hai tc bng bnh rng mt u. Trc vo mu xanh. Di chuyn thanh trt mu lc bng tay. Face gear 12 http://youtu.be/W38bOovKApo C cu gim tc hai tc c o chiu bng bnh rng mt u. Trc vo mu xanh. Trc vng c hai vn tc tin v hai vn tc li. Di chuyn thanh trt mu lc bng tay.

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    1.3.6. Bnh rng xon Acsimet Archimedean spiral gear and Worm 1 http://youtu.be/kojrypcELnE Bnh rng xon Acsimet v trc vt. Trc vo: bnh rng xon 1 mi Trc ra: trc vt 1 mi ren. T s truyn: 1 S mi c th nhiu hn. Archimedean spiral gear and Worm 2 http://youtu.be/49WcDE64mRk Bnh rng xon Acsimet v trc vt. Trc vo: bnh rng xon 2 mi (Z2). Trc ra: trc vt 1 mi ren (Z1). Mt vng quay ca trc vo ng vi 2 vng quay ca trc ra (Z1/Z2) Archimedean spiral gear and Spur gear http://youtu.be/YaV-VAxkEAQ Bnh rng xon Acsimet v bnh rng tr. Trc vo: bnh rng xon 1 mi (Z1). Trc ra: bnh rng tr s rng Z2 = 18. Trc ca bnh rng xon phi nm trong mt u trc ca bnh rng tr. Gc xon ca rng bnh rng tr phi hp vi hng xon ca bnh rng xon Mt vng quay ca trc vo ng vi 1/18 vng quay ca trc ra (Z1/Z2) S mi c th nhiu hn. Archimedean spiral gear and Pin gear 1 http://youtu.be/LSx4anFA6nQ Bnh rng xon Acsimet v bnh cht. Trc vo: bnh rng xon 1 mi (Z1). Trc ra: bnh cht, s cht Z2 = 40. Mt vng quay ca trc vo ng vi 1/40 vng quay ca trc ra (Z1/Z2) S mi c th nhiu hn. Archimedean spiral gear and Pin gear 2 http://youtu.be/FJfH1rz5EA4 Bnh rng xon Acsimet v bnh cht. Trc vo: bnh rng xon 1 mi (Z1). Trc ra: bnh cht, s cht Z2 = 30. Mt vng quay ca trc vo ng vi 1/30 vng quay ca trc ra (Z1/Z2) Trc ca hai bnh khng song song. S mi c th nhiu hn.

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    Archimedean drive 1a http://youtu.be/D6XjnCc6gKQ B truyn Acsimet. Cam mu xanh v mu cam ging nhau, bin dng Acsimet. Hai cam quay cng vn tc, ngc chiu nhau nh b truyn hai bnh rng tr cng s rng. Nu hai cam c bc xon p1 v p2 ca bin dng Acsimet khc nhau th t s truyn l p1/p2. Bc xon phi ln trnh kt. C th dng l xo xon phng thay cho vt nng. Archimedean drive 1b http://youtu.be/y-8fU6q5iV8 B truyn Acsimet. Cam mu xanh v mu cam ging nhau, bin dng Acsimet. Cam mu xanh l khu dn. Hai cam quay cng vn tc, cng chiu nh b truyn ai c hai bnh ai nh nhau. Nu hai cam c bc xon p1 v p2 ca bin dng Acsimet khc nhau th t s truyn l p1/p2. Bc xon phi ln trnh kt. C th dng l xo xon phng thay cho vt nng. Archimedean drive 1c http://youtu.be/naBSF38qeSY B truyn Acsimet. Cam mu xanh v mu cam c bin dng Acsimet khc nhau, bc xon p1 v p2, p1 = 2.p2. Cam mu xanh l khu dn. Hai cam quay ngc chiu nhau, vn tc khc nhau, nh b truyn hai bnh rng tr khc s rng. T s truyn l 1/2. Bc xon phi ln trnh kt. C th dng l xo xon phng thay cho vt nng. Archimedean drive 1d http://youtu.be/JAKbVNx4IpI B truyn Acsimet. Cam mu xanh v mu cam c bin dng Acsimet khc nhau, bc xon p1 v p2, p1 = p2/2. Cam mu xanh l khu dn. Hai cam quay cng chiu, vn tc khc nhau, nh b truyn ai c hai bnh ai khc nhau. T s truyn l 2. Bc xon phi ln trnh kt. C th dng l xo xon phng thay cho vt nng.

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    Archimedean drive 2a http://youtu.be/dBYRbJxQSrw B truyn Acsimet. Cam mu xanh v mu cam ging nhau, rnh bin dng Acsimet. Cam mu xanh l khu dn. Cht hng trt trong hai rnh xon v c trong rnh thng ca thanh c nh. Nu thanh ny vung gc vi ng ni tm hai bnh ti im gia ca n th hai bnh quay cng vn tc, ngc chiu nhau, nh b truyn hai bnh rng tr cng s rng. Trng hp khng vung gc ti im gia, vn tc bnh b dn mu cam khng u. Archimedean drive 2b http://youtu.be/Jmls2qUs05w B truyn Acsimet. Cam mu xanh v mu cam ging nhau, rnh bin dng Acsimet. Cam mu xanh l khu dn. Cht hng trt trong hai rnh xon v c trong rnh thng ca thanh c nh. Rnh thng nm trn ng ni tm hai bnh. Hai bnh quay cng vn tc, cng chiu, nh b truyn ai c hai bnh ai nh nhau. Archimedean drive 2c http://youtu.be/-RIrEvSzv6Y B truyn Acsimet. Cam mu xanh v mu cam ging nhau, rnh bin dng Acsimet. Cam mu xanh l khu dn. Cht hng trt trong hai rnh xon v c trong rnh thng ca thanh c nh. Nu thanh ny khng vung gc vi ng ni tm hai bnh, bnh b dn mu cam quay khng u, ph thuc v tr ca thanh v bc xon ca rnh bin dng Acsimet trn c hai bnh. Archimedean drive 3a http://youtu.be/r0AO8t-z3SI B truyn Acsimet. Cam mu xanh v mu cam ging nhau, ng trc, rnh bin dng Acsimet. Cht hng trt trong hai rnh xon v c trong rnh thng ca thanh c nh. Hai bnh quay cng vn tc, ngc chiu nhau. Bc xon ca rnh bin dng Acsimet phi ln trnh kt. Archimedean drive 3b http://youtu.be/bHDflbb9euc B truyn Acsimet. Bnh mu xanh v mu cam ng trc. Bc xon ca rnh bin dng Acsimet ca bnh mu xanh gp i bc ca bnh mu cam. Cht hng trt trong hai rnh xon v c trong rnh thng ca thanh c nh. Hai bnh quay ngc chiu nhau, t s truyn l 2.

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    Archimedean drive 3c http://youtu.be/_pWGiUt36Ec B truyn Acsimet. Bnh mu xanh v mu cam ng trc. Bc xon ca rnh bin dng Acsimet ca bnh mu xanh gp i bc ca bnh mu cam. Cht hng trt trong hai rnh xon v c trong rnh thng ca thanh c nh. Hai bnh quay cng chiu, t s truyn l 1/2.

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    1.4. B truyn ma st Friction roller drive 1 http://youtu.be/HkjnM-g-dQ0 B truyn bnh ma st. Khu dn: bnh nh. Bu lng xanh to v iu chnh lc ma st ch tip xc. Bin dng ch V trn cc bnh lm tng lc ma st. L xo cho lc p tng i u, t ph thuc sai s ch to. Friction roller drive 2 http://youtu.be/MZT4hg53IF8 B truyn bnh ma st. Khu dn: bnh vng. Khu b dn: bnh xanh Hai bnh mu cam quay lng khng, ca chng c th di chuyn ngang. L xo xanh to lc ma st ch tip xc. Friction roller drive 3 http://youtu.be/FNK92viLoo0 B truyn bnh ma st. Khu dn: bnh mu lc. Khu b dn: bnh hng Bnh xanh quay lng khng mu vng c th di chuyn ngang p lc ch tip xc do vng n hi mu cam to nn. Lc hng knh tc ng ln cc hu nh bng khng. Friction roller drive 4 http://youtu.be/R9gJJq2hfh0 B truyn bnh ma st. Khu dn: bnh lc. Khu b dn: trc hng c 3 chc mang 3 bnh xanh quay lng khng. Cc vng n hi mu cam tip xc vi bnh dn v vnh ngoi c nh. Bin dng ban u ca cc vng n hi to p lc tip xc. iu chnh lc ny mt phn bng vt mu xanh. Friction roller drive 5 http://youtu.be/_JcSQM-URWA B truyn bnh ma st. Khu dn: bnh mu hng. Khu b dn: vnh mu lc c rnh lp ai truyn. Hai bnh mu xanh quay lng khng, ca chng c th di chuyn ngang. Trng lc ca vnh to lc ma st ch tip xc.

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    Friction roller drive 6 http://youtu.be/_jp1s8UZ0js B truyn bnh ma st. Khu dn: bnh mu hng quay cng chiu kim ng h. Khu b dn: bnh mu lc. Bnh mu vng quay lng khng trn trc ca con trt mu cam. Lc ma st ch tip xc c t ng to ra. Ch truyn ng c nu tg((a+b)/2) nh hn m. a l gc CAB, b l gc CBA, m l h s ma st ca vt liu cc bnh (ly tr s nh nht). Trng lng ca cng mu xanh, con trt mu cam v bnh mu vng to nn lc ma st ban u ch tip xc. Khng th truyn ng nu bnh dn mu hng quay ngc chiu kim ng h. Friction roller drive 7 http://youtu.be/chSg5IbNkLM B truyn bnh ma st. Khu dn: bnh mu hng quay ngc chiu kim ng h. Khu b dn: bnh mu lc. Vnh mu cam tip xc vi hai bnh nh trng lng ca n. Lc ma st ch tip xc c t ng iu chnh. Bnh mu xanh bng vt liu c h s mt st nh ch hai bnh kia (khng truyn lc). Ch truyn ng c nu tg((a+b)/2) nh hn m. a l gc CAB, b l gc CBA, C l tm ca vnh, m l h s ma st ca vt liu cc bnh tip xc vi vnh v ca vnh (ly tr s nh nht). Khng th truyn ng nu bnh dn mu hng quay cng chiu kim ng h. Friction roller drive 8 http://www.youtube.com/watch?v=uFn8h94SySU B truyn bnh ma st. n mang con ln to p lc php tuyn ch tip xc con ln. C th dng c cu ny nh mt ly hp c iu khin. T s truyn i = n1/n2 = R2/R1 R1: bn knh mt tip xc ca trc mu hng. R2: bn knh mt tip xc ca trc mu lc. Friction roller drive 9 http://youtu.be/04jEqln4SRI B truyn bnh ma st. Khu dn: bnh mu cam lp trn tm quay quanh trc c nh. Tm ca bnh nh phi cao hn ng ni tm bnh ln v tm lc ca tm . Trng lc ca khi lp bnh nh mu cam to lc ma st ch tip xc cc bnh. Mi tn ch chiu quay nn dng v theo p lc tip xc t ng tng khi ti tng. L xo mu cam gim bt p lc tip xc nu trng lng ca khi bnh nh qu ln.

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    Friction roller drive 10 http://youtu.be/zaVAsLNgHIk B truyn bnh ma st: ti ma st. Khu dn: trc mu lc. Khu b dn: tang mu cam. Ko tay n ca trc lch tm mu xanh, a bnh ln mu cam vo tip xc vi bnh nh mu xanh, to p lc tip xc truyn ng. Friction roller drive 11 http://youtu.be/-59xRJqgIhs B truyn bnh ma st. Nm hng iu chnh th. Nm xanh iu chnh tinh. Con ln cn nh lm bng cao su. Friction roller drive 12 http://youtu.be/sN7oqKl8Zy8 B truyn bnh ma st. Bnh dn elip mu hng quay u. Bnh b dn mu lc quay khng u. p lc tip xc do vt nng mu xm v vt mu cam to ra. Friction cone roller drive 1 http://youtu.be/ZAWVAgUmAho B truyn bnh ma st cn. Bnh dn mu hng. Bnh b dn mu lc. p lc tip xc do l xo to ra. Friction cone roller drive 2 http://youtu.be/E3EB3O7tiFw B truyn bnh ma st cn rnh ch V. p lc tip xc do l xo to ra. Rnh ch V lm tng p lc tip xc. Mt lm vic c t mu cam Friction ball drive 1 http://youtu.be/ohuHyiLLL0s B truyn ma st bi. y l b truyn hnh tinh. Trc ra l cn. Trc vo mu hng mang bnh cn (bnh trung tm). Vnh mu vng c mt cn trong c nh. Lc ma st ch tip xc do l xo mu cam to ra. C th to c cu ny t vng bi thng thng. Gn trc vi vng trong, thay vng cch bi bng cn. Lp ni tip vi c cu nh vy s c t s truyn ln.

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    Barrel cam friction drive http://youtu.be/UblRctFXjh4 B truyn ma st cam thng. Khu dn: cam thng mu vng quay u. Khu b dn: a mu lc quay khng u. L xo to lc ma st truyn ng.

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    1.5. B truyn xch Chain drive 1A http://youtu.be/A9Fl4Bka7FE B truyn xch in hnh c b tng xch. Chain drive 1B http://youtu.be/k0-Gd4PYR_o Cch b tr b truyn xch c hai trc (mu hng v mu cam) quay ngc chiu. Hai a xch vng quay lng khng. Chain harmonic drive 1 http://youtu.be/VsDJqDnqbw8 B truyn sng xch. Khu dn l cn to sng hnh van vng lun tip xc vi tt c con ln ca mt vng xch kn. Mt mt xch c cht di to khp quay vi thanh ni mu cam. Thanh ny c khp quay vi khu b dn l cng mu xanh. Trc vo, trc ra v bnh rng xm ng trc. Vng xch c chuyn ng phc tp to sng S rng ca bnh rng xm c nh Zg = 30 S mt xch Zc = 28 T s truyn: i = Zc / (Zg Zc) Nu(Zg Zc) nh v Zc ln, i c th rt ln. Trc ra v trc vo quay ngc chiu nhau. Trng hp ny, 14 vng quay ca cn to sng ng vi 1 vng quay ca trc ra mu xanh. Vn tc ca trc ra khng u. so snh: nu xch, thanh ni v cng xanh hp thnh 1 khu n hi duy nht y s l b truyn sng quen bit c bnh rng n hi. C th thay khp quay ca thanh mu cam bng khp lng tr (con trt trt trong rnh ca cng b dn mu xanh). Chain harmonic drive 2 http://youtu.be/yEWUGvWydQc B truyn sng xch. Khu dn l cn to sng hnh van mu cam lun tip xc vi tt c con ln ca mt vng xch kn. Mt mt xch c cht di to khp quay vi con trt mu trt trong mt rnh trt c nh. Trc vo, trc ca bnh rng xm b dn l ng trc. Vng xch c chuyn ng phc tp to sng S rng ca bnh rng Zg = 30 S mt xch Zc = 28 T s truyn: i = Zg / (Zg Zc) Nu(Zg Zc) nh v Zg ln, i c th rt ln. Trc ra v trc vo quay cng chiu. Trng hp ny, 15 vng quay ca cn to sng ng vi 1 vng quay ca trc ra. Vn tc ca trc ra khng u. C th thay khp quay ca thanh mu cam bng khp lng tr (con trt trt trong rnh ca cng b dn mu xanh).

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    1.6. Truyn ng thanh Parallelogram Mechanism http://www.youtube.com/watch?v=prMefg7NCsc C cu bnh hnh. khc phc v tr cht c t thm hai tay quay cc gc khc nhau. Application of parallelogram mechanism 5 http://www.youtube.com/watch?v=mP6WFS0_1jM C cu bnh hnh truyn ng cho u my ng st chy in. C 3 c cu bnh hnh. C cu ni hai bnh gip hai c cu kia vt qua v tr cht. Application of parallelogram mechanism 9 http://www.youtube.com/watch?v=dg1C69jaoRw C cu bnh hnh truyn ng gia hai trc song song. Trc mu xanh quay ti ch khng cn . Application of parallelogram mechanism 4 http://www.youtube.com/watch?v=tjZ8qw3CTYA C cu bnh hnh truyn ng gia hai trc song song. a mu quay ti ch khng cn . trc b dn mu xanh c th di ng. Application of parallelogram mechanism 10 http://www.youtube.com/watch?v=hPFvm6eisuQ C cu bnh hnh truyn ng gia hai trc song song. u mang dng c ct c th di chuyn theo 3 trc Ox, Oy v Oz.

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    Parallel-link driller http://www.youtube.com/watch?v=cHnnd78tUZ8 Mt ng dng ca c cu bnh hnh. a ng mu vng ng vai tr thanh truyn. Trc vo mu xanh v cc trc ra mu hng c cng chiu di tay quay v quay cng vn tc. V tr cc trc tay quay trn a ng v a tnh (mu kem) ging nhau. Inverse Parallelogram Mechanism 1 http://www.youtube.com/watch?v=aPUcdGnf2uk C cu phn bnh hnh tng ng vi c cu bnh rng elip. Trc di elip di b Trc ngn elip di sqrt(b^b-a^a) a: chiu di tay quay; b: chiu di thanh truyn. Tiu im elip l tm cc khp quay. Inverse parallelogram mechanism 14 http://youtu.be/c9jSFZZX6uA C cu phn bnh hnh. Khu dn: tay quay hng quay u. Khu b dn: tay quay xanh quay khng u, ngc chiu. Cc rng c thm vo gip c cu vt qua v tr cht. Inverse Parallelogram Mechanism 2 http://www.youtube.com/watch?v=I4V3NqwZG0o&feature=related C cu phn bnh hnh. Cc cung lm v cht trn hai tay quay gip c cu vt qua v tr cht. Inverse Parallelogram Mechanism 3 http://www.youtube.com/watch?v=RkwA9F77IPQ&feature=related C cu phn bnh hnh. Cc cung lm trn thanh vng v cht trn thanh xanh gip c cu vt qua v tr cht. Inverse Parallelogram Mechanism 7 http://www.youtube.com/watch?v=cw0Wco_O600 C cu phn bnh hnh kp. Mt c cu phn bnh hnh ng dng ni vo c cu chnh. T s ng dng: 2. Tay quay quay 2 vng khi tay quay tm quay 1 vng.

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    Inverse Parallelogram Mechanism 8 http://www.youtube.com/watch?v=ox03D0LQxck C cu phn bnh hnh kp. Mt c cu phn bnh hnh ng dng ni vo c cu chnh. T s ng dng: 2. y l mt phng n kt cu ca c cu Inverse Parallelogram Mechanism 7 Tay quay quay 2 vng khi tay quay tm quay 1 vng. y l c cu bin tc gm ton thanh v khp quay. Inverse Parallelogram Mechanism 9 http://www.youtube.com/watch?v=zlcf7e8L0Ho C cu phn bnh hnh chp ba. Mt c cu phn bnh hnh ng dng th ba ni vo c cu phn bnh hnh kp. T s ng dng trng hp ny l 2. Tay quay quay 3 vng khi tay quay tm quay 2 vng v tay quay lc quay 1 vng. C ni cc c cu tng t nh vy s c t s truyn 4, 5, 6, Tuy nhin s c kh khn v b tr ca tay quay. Inverse Parallelogram Mechanism 10 http://www.youtube.com/watch?v=YuqHVUsr2N0 C cu phn bnh hnh chp ba. Mt c cu phn bnh hnh ng dng th ba ni vo c cu phn bnh hnh kp. T s ng dng trng hp ny l 2. Tay quay quay 3 vng khi tay quay tm quay 2 vng v tay quay lc quay 1 vng. y l c cu bin tc gm ton thanh v khp quay. C ni cc c cu tng t nh vy s c t s truyn 4, 5, 6, Tuy nhin s c kh khn v b tr ca tay quay. Inverse parallelogram mechanism 12 http://yout