Mc lcTrangCc cng ty Cng ty c s 12 Cng ty c phn Gch men m6 Cng ty c phn Nha Minh Hng.9 Cc phng th nghim Phng th nghim vt liu mi...14 Phng th nghim trng im quc gia vt liu polimer v composit...16 Phng th nghim silicate...21 Tng kt...26 Ti liu tham kho..27

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CNG TY C S 1

I/. Gii thiu chung v nh my: -L B15 khu cng nghip Hip Phc B, huyn Nh B, TpH Ch Minh, trn nn din tch khong 3ha -Tn Ting Vit: Cng ty c s 1 -Tn Ting Anh : Foundry Company No.1 -Mi hon tt xy dng v a vo sn xut. Trc y a ch 220 Bnh Thi Qun 11 TP.HCM -L thnh vin ca tng cng ty my ng lc v my nng nghip (VEAM) -S lng k thut vin, cng nhn vin vn cn rt t, cha bt u vo dy chuyn c 1/. Cc sn phm trc y (tin ti hon thin quy trnh nh my mi): * Sn phm chnh: -Sn phm gang: gang xm, gang cu, gang hp kim, gang chu nhit, gang chu mi mn va p, gang do. -Sn phm thp: thp Cacbon, thp hp kim thp, thp hp kim cao, thp chu mi mn, thp chu nhit, thp khng g. -Sn phm ng , ng thau. -Sn phm nhm hp kim. *Ch to chi tit: -My cng c -My nng nghip, my n cc loi -My ch bin giy, my ch bin cao su -Chi tit my thy li, tu ht bn -Chi tit my xay xt v nh bng go -Chi tit v ph tng my nghin xi mng, my nghin phn bn nh tm lt, bi cu, bi tr, tm ghi, tm vo liu2

-Chi tit my thy lc -Chi tit xe gn my -Cc loi van chu p lc 2/. Quy cch sn phm: -Chi tit c ra phi t cc tiu chun vt l nht nh ( nhn, cng,) v c thnh phn xc nh. Thnh phn ny c o bng my quang ph pht x s dng phng php nh la. -Cc chi tit c cu to phc tp vi nhiu l v rnh, cn c k thut cao ch to mu v khun, sau a vo c. II/. Mt s trang thit b Quy trnh sn xut: 1/. Trang thit b, my mc: -4 l c: 1 cp l 2 tn, 1 cp l 4 tn -Dy chuyn to khun ti. -Dy chuyn ti ch khun -Thit b to kh nn -My to khun kh bng ha cht -Phng th nghim vt liu kim loi: -My phn tch nhanh (phn tch bng quang ph pht x, phn tch c khong 18 nguyn t trong vng 20 giy -My o khng kh kim tra khng kh ca vt liu lm khun -Thit b o cng kim loi cm tay -My o cng kim loi -My phn tch t chc kim loi -Thit b o nhit khng tip xc -Thit b o nhit tip xc -My o m 2/. Quy trnh sn xut: -S dng cng ngh c khun ct ti: vt liu lm khun l ct kt3

hp vi t st. Trong qu trnh lm khun cn phi nh ng mu thot mu, nn sn phm c s c di gia cng ln. -Ch to mu: mu gm nhiu chi tit n gin ghp li, mu c lm bng vt liu nhm, ng. Cc chi tit n gin phi c sn mt lp sn c bit chng dnh. -Ch to khun ti: bng ct nha, vt liu chnh l ct, c thm nha v cc cht ph gia. Khun ti lin kt bng c hc nn d ph hy. Gm cc giai on: trn ct, st; p trong l chung vi mu p sut cao; b mu; qut mt lp sn chng dnh; phi kh chun b rt kim loi (hp kim) vo. -Ch to khun kh: cng nhn ch cn a ct v ha cht vo, my s t ch to khun kh da vo cc nguyn l ha hc. -Rt kim loi / hp kim: c nu chy trong l h thng cn cu s a kim loi nng chy rt vo khun v ngui chuyn qua my ph khun ly thnh phm (khun c ph bng my rung). -Ti ch ct: nghin nh khun ph cho qua my lc (ct c th ti ch hoc khng th ti ch ) qua thit b lm sch loi cht ph gia v cc tp cht nghin mn ln na a vo my trn to khun mi. -Chi tit c c a sang b phn qun l kim tra cht lng, nu c sai hng nng s chuyn v xng c li, cc chi tit tt: chuyn sang b phn lp rp my.

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III/. An ton lao ng: -C bng quy nh v an ton lao ng trong nh my. -Nh my cha a vo hot ng chnh nn s lng cng nhn rt t, ch lm trong khu th cng, gia cng x l khun nn cha c ch trng lm v cc nguyn tc bo h lao ng. -C h thng PCCC theo tiu chun TCVN 3890:2009 Phng tin phng chy cha chy cho nh v cng trnh - Trang b, b tr, kim tra, bo dng. IV/. X l ph thi v v sinh cng nghip: -C h thng my mc ti ch. -X l ph thi, v sinh cng nghip: nm trong d n thu gom x l rc thi rn ca khu cng nghip HP, h thng cy xanh. -Cha a vo dy chuyn x l ph thi v cha c sn xut. V/. Mt s nhn xt v cm ngh v nh my: -Nh my c trang b u t my mc thit b, dy chuyn kh mi v hin i. -Nh my cha i vo hot ng nn khng c xem tn mt qu trnh c hay nhit luyn kim loi. -Thi gian c tham quan ngn, cha th tm hiu c nhiu nhng cng ngh khc ca nh my. -S lng sinh vin ng nhng thiu ngi hng dn, dn n tnh trng khng tp trung v vic tham quan hc hi. -Quy trnh kh n gin, c bn v ngnh kim la-hp kim, cha thy c ng dng phng php mi hay ch to nghin cu cc loi vt liu mi.

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CNG TY C PHN GCH MEN M

I/. Gii thiu v nh my: -Cng ty c phn gch men m c thnh lp theo quyt nh s 00347/GP/TLDN ngy 17/02/1997 ca UBND tnh ng Nai. -Tn giao dch ting Anh: YMY CERAMIC TILES CORP -Tng Gim c: Phm c Nguyn -Lnh vc hot ng: sn xut gch p lt v kinh doanh vt liu xy dng. -Nh my sn xut c xy dng ti Khu Cng Nghip Tam Phc, Quc L 51, x Tam Phc, huyn Long Thnh, tnh ng Nai. -web: www.ymyceramic.com.vn -Nng lc sn xut ca Nh my t 22.000 m2/ngy (8.000.000 m2/nm) bao gm cc chng loi gch p tng v lt nn quy cch 20x20, 20x25, 25x40, 30x30, 40x40, Ngoi ra cn c thm sn phm mi l ngi lp. II/. Quy trnh Cng ngh: 1/. Quy trnh sn xut gch: *Nguyn liu: cao lanh, t st, vi, ct, cc oxide nhm, crom,

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*Quy trnh sn xut: -Nghin mc -Nghin men -Sng men -Np liu -Nghin liu -Sy phun -Chuyn ti bt n my p -p gch -Sy gch sau p -Trng men -In la -Chuyn dn n l nung -Nung gch -Phn loi -In m vch ln bao b, ng gi -Xut hng 2/. Cng ngh: -Dy chuyn sn xut gch men-thch anh p lt cao cp theo cng ngh hin i ca . -Dy chuyn sn xut hon ton c t ng ha ca cc hng ni ting nh SITI, SACMI. -L nung ca hng NASSETTI. -Dy chuyn trng men, in la dng bm t ng ca OMIS.

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III/. An ton lao ng: -C bng quy nh v an ton lao ng trong nh my. -Nh my cp y trang thit b bo h lao ng cho cng nhn, tuy nhin vic gim st cng nhn thc hin cha hiu qu lm. -C h thng PCCC theo tiu chun v phng tin phng chy cha chy.

IV/. X l ph thi v v sinh cng nghip:-Kim sot nguyn liu, ha cht, cht thi khng gy nguy hi n mi trng.

-Gim thiu tiu hao nguyn vt liu, nhin liu trn sn phm. -Tun th yu cu lut php ca Vit Nam v cc yu cu ca khch hng v mi trng.

V/. Mt s nhn xt v cm ngh v nh my: -Nh my p dng nhng dy chuyn sn xut t ng ha kh cao. -Nh my gch men M vi cng ngh hin i v quy m kh ln gy c n tng mnh. S tip n v hng dn ca cng ty M rt nhit tnh v chu o. Bui tham quan mang li nhiu bi hc thc t th v v b ch cho sinh vin.

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CNG TY C PHN NHA MINH HNG

I/. Gii thiu chung: -Tn cng ty: Cng ty CP Nha Minh Hng -Tn ting Anh: Minh Hung Plastics Joint Stock Company -Tn vit tt: MINHHUNGPLAST JSC -M s thu: 0301415664 -Vn php nh: 45.000.000.000 -a ch: 103/7 Ao i- P. Bnh Tr ng A- Q. Bnh Tn- Tp. HCM -in thoi: (84.8) 3875.5448-3750.5381-Fax: (84.8) 3750.4087 -Web: www.minhhungplast.com.vn -Email: minhhungplast@hcm.fpt.vn -Tng Gim c: B Nguyn Th Tuyt -Sn phm: Chuyn sn xut v cung ng cc loi ng nha uPVC, HDPE, PPR, ph tng ng v keo dn ng cht lng cao phc v cho cc ngnh cp thot nc, in lc, bu chnh vin thng v dn dng. II/. Quy trnh v cng ngh sn xut: 1/. Quy trnh sn xut: *Nguyn liu: bt nha PVC, HDPE, PPR, cht to mu, ph gia

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*Quy trnh sn xut ng nha:

2/. Cng ngh: -Vi h thng dy chuyn sn xut hin i do Chu u cung cp cng ngh n ng khp kn ca Italia, CHLB c, Nht Bn, Hn Quc v i ng k s, cng nhn k thut lnh ngh giu kinh nghim c o to chnh quy trong v ngoi nc, h thng qun l cht lng ISO 9001:2008, Minh Hng sn xut ra cc loi ng nha Upvc, HDPE, PPR ng knh t 16mm ti 500mm vi tiu chun cht lng Vit Nam v Quc t.

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*Chnh sch cht lng: Chnh sch cht lng ca Cng ty nha Minh Hng l tha mn ngy cng tt hn nhu cu ca khch hng v vic cung cp sn phm ng uPVC. Ban lnh o v ton th cng nhn vin Cng ty nha Minh Hng cam kt: -Cung cp cho khch hng nhng sn phm ng uPVC m bo cht lng cao vi gi cnh tranh. -Giao hng ng thi gian yu cu ca khch hng. thc hin chnh sch cht lng ny, Cng ty nha Minh Hng quyt tm: -Xy dng, p dng v duy tr h thng qun l cht lng ph hp vi tiu chun ISO 9001:2008. -T chc o to cng nhn vin thng xuyn m bo mi cng nhn vin trong cng ty hiu r yu cu ca cng vic, c nng lc thc hin yu cu v khng ngng ci tin, nng cao cht lng cng vic, cht lng sn phm. -Quan h cht ch vi khch hng hiu r yu cu ca h nhm tha mn ngy cng tt hn yu cu .11

III/. An ton lao ng: -C bng quy nh v an ton lao ng trong nh my. -Nh my cp y trang thit b bo h lao ng cho cng nhn. -C h thng PCCC theo tiu chun v phng tin phng chy cha chy. IV/. X l ph thi v v sinh cng nghip:-Kim sot nguyn liu, ha cht, cht thi khng gy nguy hi n mi trng.

-Gim thiu tiu hao nguyn vt liu, nhin liu trn sn phm. -Tun th yu cu lut php ca Vit Nam v mi trng.

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V/. Mt s nhn xt v cm ngh v nh my: -Nh my sn xut ng nha ca Cng ty Minh Hng rt hin i v khang trang vi quy m kh ln. Cc my mc v trang thit b u c nhp t nc ngoi. Quy trnh sn xut c t ng ha gn nh hon ton. Cht lng sn phm rt ng u v n tng. -Ngoi vic tham quan nh my sn xut ng nha ca Minh Hng, Cng ty cn to iu kin sinh vin c tham quan nh my sn xut bao b trng nhm ng gi thc phm Minh Anh Cng ty con ca Minh Hng vi my mc v cng ngh rt hin i. -Bui tham quan nh my Nha Minh Hng cung cp nhiu kin thc thc tin cho sinh vin v mt khng kh lm vic chuyn nghip.

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PHNG TH NGHIM VT LIU MI

I/. V tr chc nng ca phng th nghim: -Thuc dy nh B3 trong khun vin trng i hc Bch Khoa HQG TPHCM nhng di s qun l ca khoa CNVL i hc Bch Khoa HQG TPHCM. -Cc thit b my mc ca phng th nghim dnh cho nhng nghin cu, th nghim thuc chuyn ngnh Kim loi-hp kim. -PTN phc v ch yu cho lnh vc cng ngh nhit luyn kim loi v o cng ca vt liu kim loi sau khi nhit luyn. II/. Mt s thit b thuc phng th nghim: 1/. Cc l bung in tr (khong 2-3 l): Chc nng chung: nhit luyn cc chi tit vt liu Kim loi Nhiu ch nhit luyn : ram, , ti, thng ha, thm Ccbon. -Ram: l qu trnh cn thit v bt buc sau khi ti. Thp sau khi ti c tnh gin, d gy, c cng cao, v vy ram thp nhm mc ch to ra cho thp c cc tnh cht c hc ( cng, bn, do) thch hp vi iu kin s dng cn thit. Ngoi ra ram thp nhit cao cn lm mm thp gip cho vic gia cng ct gt c d dng, to c nhn bng cao khi ct gt. -: l nung nng thp n nhit nht nh, gi nhit mt thi gian, ri lm ngui. Thp sau khi c bn v cng thp nht, do v dai cao. -Ti: l nung nng thp ln qu nhit ti hn ri gi nhit mt thi gian, sau lm ngui t ngt, kt qu l thp kh bin dng do v c cng cao. -Thng ha: l phng php nung nng thp ln n nhit cao hn nhit , gi nhit ri sau lm ngui trong khng kh, nh thp c bn, cng cao hn i cht so vi trng thi .

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Nguyn tc hot ng ca l: -Da trn hin tng cm ng in t. Nhit mu tng nhanh v mu chuyn sang dng nng . Sau khi nung lm ngui nhanh bng nc. -Mu vt dng hnh tr. -Nhit ti c th ln n 750-860oC. 2/. My o cng (2 my): Kim tra cng ca chi tit trc v sau khi qua cc nguyn cng nhit luyn 3/. My mi v nh bng chi tit : Mi v nh bng cc chi tit trc khi i phn tch thnh phn ha hc v kim tra t chc t vi ca chi tit 4/. Knh hin vi kim tng : Kim tra v chp li t chc t vi ca b mt chi tit sau cc qu trnh nhit luyn

III/. Mt s nhn xt v cm ngh v phng th nghim: -Quy m phng th nghim kh nh, trang thit b tng i t v c, tuy nhin p ng c mt s nhu cu v th nghim nhit luyn c bn cho chuyn ngnh Kim loi. -V tr cch kh xa so vi nhng phng th nghim khc ca khoa CNVL. -Thi gian i tham quan tm hiu kh ngn nn cha cung cp c nhiu thng tin v cc my mc v quy trnh lm vic trong lnh vc nhit luyn kim loi.15

PHNG TH NGHIM TRNG IM QUC GIA VT LIU POLIMER & COMPOSITEPhng Th nghim trng im Quc gia Vt liu Polymer & Composite l trung tm nghin cu, pht trin v ng dng cc loi vt liu trong lnh vc vt liu polymer v composite; o to v bi dng ngun nhn lc k thut cao p ng nhu cu pht trin ca khu vc pha nam, ton quc v vn tm khu vc I/. V tr phng th nghim: -Phng th nghim trng im quc gia vt liu Polimer & composite thuc ta nh C6 ai hc Bch Khoa HQG TP.HCM -Thnh lp ngy 12 thng 12 nm 2003 II/. Danh sch Ban Gim c: 1. PGS. TS. Nguyn c Thnh Chc danh: Gim c 2. TS. Hunh i Ph Chc danh: Ph gim c - ph trch Nghin cu & Pht trin 3. ThS. Hunh Su Chc danh: Trng phng HC-TH III/. Chc nng chung ca phng th nghim: -Nghin cu, o to v pht trin cng ngh, h tr s pht trin cho cc ngnh vt liu polymer v composite. Ngoi ra cn hp tc vi cc PTN cng lnh vc hot ng trn th gii nh PTN Vt liu Compozit, PTN Nghin cu tnh cht vt liu Polyme (i hc Sungkywan Hn Quc), i hc Insalion (Php), i hc Chobuk (Hn Quc). -Nghin cu c bn v pht trin ng dng trn cc lnh vc v vt liu tin tin, vt liu chu nhit cao, cc vt liu c tnh nng c bit, vt liu a chc nng -Nghin cu pht trin cng ngh sn xut cc sn phm phc v cho kinh t x hi v dn sinh -Sn xut th nghim v chuyn giao cng ngh mi t kt qu nghin cu. -Kim nghim, t vn, thm nh, thi cng cc d n trong ngnh polymer & composite16

-o to v bi dng ngun nhn lc cht lng cao trong lnh vc nghin cu v sn xut vt liu v cng ngh polymer& composite -Sn xut theo hp ng vi cc c nhn v n v quy nh php lut. Lin doanh, lin kt v hp tc cc c nhn v tp th trong v ngoi nc theo lnh vc ng k. -T chc cc hi ngh khoa hc & cng ngh, cc semina trong nc v quc t v cng ngh v vt liu Polymer & composite -Xut bn tp ch v bn tin v ngnh vt liu v cng ngh Polymer & composite theo quy nh php lut IV/. Mt s thit b trc thuc phng th nghim: A. CC THIT B THUC PHNG C L : 1/. My o c l vn nng (Instron 8801): Chc nng: - bn nn v cc thng s lin quan - bn un v cc thng s lin quan - bn ko v cc thng s lin quan - bn mi nn v cc thng s lin quan - bn mi un v cc thng s lin quan - bn mi ko v cc thng s lin quan Thng s k thut -u pht ng hn hp c lc ti ti a 100 kN -Cm bin lc c chnh xc 0.5% gi tr o t ton thang o xung ti 1/100 kh nng o ca cm bin lc2/. My o cng (dnh cho chuyn ngnh Polimer) (WOLPERT 751N):

Chc nng : -o cc cng Vicker, Brinell, Rockwell Thng s k thut -Mn hnh hin th quang hc. C th thay i phng i -Th ti mc nh hoc quay s.

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3/. My o nht Mooney: o nht ca cao su, t c th xc nh khi lng phn t ca n 4/. My lu ha cao su Reohmeter: Xc nh ng cong lu ha ca cao su

B. CC THIT B THUC PHNG HA L : 1/. Thit b phn tch quang ph FT-IR (thit b quang ph hng ngoi TENSOR 37) -c im k thut : khong ph: 7.500- 370 cm-1 vi b tch tia KBr chun; khong ph m rng 15.000-370 cm-1 vi b tch tia hng ngoi gn v trung. - chnh xc bc sng: 0,01 cm-1. - chnh xc di ph: 0,1%T. -Cu trc: bung quang hc kn, c ht m. -C th o mu dng rn, lng v mng mng. 2/. Thit b phn tch kch thc ht (thit b tn x LASER LA- 920): -Phng php o: Mie -o c kch thc ht : 0.02 - 2000m -nh sng : He-Ne gas lasers (=0.63m). -nh sng xanh: n Tungsten (=0.405m). -Kt qu hin th: Gin phn b kch thc ht, bng s liu chi tit ca cc kch thc ht, kch thc ht trung bnh

3/. Thit b o gc tip xc (gc thm t) (DATAPHYSICS) : Thng s k thut : -Thu knh c 6 mc iu chnh tiu c truyn hnh nh ra camera vi sai bit hnh nh 0.05% - phng i: 0,7 - 4,5 ln

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Chc nng: -Xc nh nng lng t do b mt ca cht rn v cc thnh phn ca n -Xc nh sch ca b mt cht rn -Xc nh kh nng thm t ca b mt cht rn -nh gi kh nng tng thch gia 2 cht

C. CC THIT B THUC PHNG CU TRC: 1/. H my nhiu x tia X (XRD) (D8 Advance) : Chc nng: -Phn tch nh tnh thnh phn pha -Xc nh cu trc -Xc nh cc hng s mng -Xc nh kch thc ht Thng s k thut : -C th thc hin php o trong khong gc o t 1,5o120o. -Bc o nh nht c th t c 0,0001o. -Lu tr trn 130.000 ph chun, m bo cung cp cc kt qu mt cch chnh xc cho hu ht cc cht t v c ti hu c. -Thc hin trn cc dng mu bt, mu khi v mu mng. 2/. H knh hin vi in t truyn qua (XRD) (JEM 1400): Chc nng: -Quan st hnh dng cu trc vt liu. -C th chp vi cc dng mu bt, mu lng, mu khi cng, mu khi mm. Thng s k thut: - phn gii cao: nh im 0,38nm; nh mng 0,2nm. -Th gia tc cc i 120kV. - phng i cc i 800.000 ln.

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D. CC THIT B THUC PHNG HA HC V MI TRNG: My th n mn sng mui: Chc nng: -Kim tra cht lng cc mng hoc xc nh kh nng b n mn ca vt liu c th. -c thit k nh mt chic t - cabinet, thit b dng kim tra cht lng cc mng V/. Mt s thnh tu trong thc tin: -Tu nh bt xa b, tu du lch, tu cu sinh chu la bng composite, my bay siu nh v bng vt liu compozit. -Tham gia d n xy dng Nh v sinh 15 20 ngi v h thng x l nc trn o Trng Sa ng. -Ch to ca phai cng thy li cho cc tnh ng bng sng Cu Long v Tp H Ch Minh -Nhiu bi bo khoa hc c cng b cc hi ngh khoa hc trong v ngoi nc. VI/. Mt s nhn xt cm ngh v phng th nghim: -Phng th nghim trng im quc gia vt liu Polimer & composite c trang b my mc, thit b nghin cu khoa hc rt hin i, c u t c v cht lng, s lng v i ng k thut vin. -Ln u tin c tham quan, tn mt xem v nghe gii thiu v cc thit b my mc gip em bit v hiu r hn v s u t dnh cho ngnh Cng ngh vt liu ca nc ta, to thm nim hng th v say m trong hc tp, nghin cu, tm hiu v cc cng ngh, ng dng mi v vt liu. -Trung tm nghin cu vi nhiu phng ban, my mc, thit b; tuy nhin thi gian tham quan kh ngn, khng truyn t c ht v cc trang thit b nn c i cht cha tha mn lm. D vy bui tham quan phng th nghim tht s rt b ch v li nhiu bi hc qu bu cho sinh vin chng em.

PHNG TH NGHIM SILICATE20

I/. V tr v chc nng chung ca phng th nghim: -Khoa hc v cng ngh Silicate l mt ngnh khoa hc thc nghim. Do vic p ng nhu cu thc nghim cho sinh vin ngnh cng ngh Silicate l rt cn thit. H thng phng th nghim Silicate ra i p ng nhu cu -L mt h thng PTN dnh ring cho sinh vin khoa CNVL H Bch Khoa HQG TPHCM thuc tng trt nh C4. -PTN c bn p ng c v my mc, trang thit b, cc loi vt liu ring cho chuyn ngnh Silicate trong vic thc nghim cc phng php nghin cu c bn v cng ngh Silicate, gn vi quy trnh sn xut thc t nht -Kt hp vi h thng PTN chung ca khoa v xng Silicate, nhng nghin cu khoa hc v vt liu Silicate c thc hin cch d dng v tt hn II/. Cc thit b trc thuc phng th nghim: 1/. L nung v l sy: y l nhng thit b khng th thiu trong sn xut nhm vt liu ceramic. *Sy: c th coi l khu x l quan trng bc nht i vi cc sn phm gm th, gm m ngh to hnh bng rt hoc to hnh do, l qu trnh thot nc vt l khi vt liu bt hoc vt liu mc (phn khun hnh mi to, cha x l nhit) -Thng qua vic theo di tc thot m ca vt liu sy, c th xc nh c cc thng s nh: bin i m, nhit ca tc nhn sy, co di, co th tch, bn ctheo thi gian ca mu sy -Mu cn gia nhit trong l c th gia nhit ln n 100-200 oC *Nung: l qu trnh kt khi ca vt liu ceramic sau khi sy, l s bin i nhit cao, t khi cc dng ht ri to thnh vt th rn chc -Theo di bin i khi nung, kim tra cc khong to thnh, kim tra cc tnh cht vt l ca mu: mt , ht nc, bn c21

-Nhit ti a ca l khi nung c th t t 1000 - 1250 oC

2/. My p to hnh thy lc (hiu my Mignon S): -Phng php p to hnh cc sn phm c dng phng, u, t l gia chiu cao v ng knh khng qu ln -Mu sau khi p c th c dng hnh hp vung hoc hnh ch nht -Qua vic xc nh lc p thch hp c th to hnh c sn phm c bn c ca mc cao nht v c st cn thit -Thng s dng phng php p 2 cp. Cp u tin p chm vi p sut nh loi bt khng kh ra ngoi, sau p p lc cao hn -Phng php p ng p thy tnh nhm to p lc ng u v gim chnh lch v p lc trong mu p 3/. My p n lento: -L phng php to hnh do -Mu t phi dng do v c do cn thit, tnh do ca vt liu ph thuc cu trc khong v kch thc ht vt liu -Trc xon c ca my a vt liu ra u ra -C nhiu u ra nh : vung, trn, ch T 4/. My o bn un (hiu my SASSUOLO.ITALY):22

-S dng phng php 3 im: mu o c t trn 2 gi , lc tc dng ti 1 im ti khi mu b ph hy, ghi nhn lc ph hy mu F t tnh c bn un. -Mu th nn c : tnh ng nht cao, b mt bng phng khng c khuyt tt, hnh dng ng u, tc tng p lc va trong sut thi gian th. -V nguyn tc, kch thc ca mu khng bt buc, c th chnh kch thc ca gi cho ph hp vi kch thc mu. Ring cc mu th xi mng c tiu chun ring ( 40 x 40 x 160 mm). 5/. My trn va: -Dng trn va (gm ct, nc, xi mng) -C cu chuyn ng khng ng trc to hn hp va u hn. nc c cho t t vo ng mu xanh pha trn my 6/. My trn ch V: -Dng trn phi liu m khng cn kt qu ng nht cao -Ch trn nhng phi liu kh -My thit k hnh ch V khi o c th trn phi liu c u hn 7/. My mi mu: -Chc nng: lm nhn, bng vt liu, khi cn to b mt phng cho vt liu -Vt liu Silicate no cn tao b mt nhn u c th mi -Thng s dng vt liu phng -C 2 phng php: mi nc ( tng bng ca b mt khi cn) hoc mi kh 8/. My sng rung (hiu my AS 200):

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-Chc nng: phn loi c ht theo kch thc l sng, sng l dng c gm cc li si kim loi hoc cht do an thnh l c kch thc khc nhau ( thng c hnh vung). -Khi phn tch c ht bng sng, ta phn bit c 2 nhm ht: trn sng v di sng. Thng dng sng vi c ht nguyn liu 6-8 mm hoc ht mn 40-60 m -Hot ng da trn nguyn tc rung. 9/. Dng c o do ca t st: -S dng phng php Pfefferkorn. Theo phng php ny, bin dng ca mu th c o bng 1 tm phng. - do ca mu th c nh gi gin tip bi m cn to bin dng chun ca mu th. -Mu th hnh tr c kch thc : cao 40 0,5 mm; ng knh 33 0,5 mm. 10/. My nghin bi siu tc (hiu my

SASSUOLO.ITALY): -Ci v bi nghin bng cao nhm. -Chc nng: nghin phi liu, c tc dng lm nh, lm mn cc loi vt liu. -Ty vo mn cn ca vt liu m s lng bi b vo khc nhau.

11/. My nghin ba : -Cng l nghin nh vt liu nhng kch thc nh, n gin, s dng bng tay. -Khi quay tay cm, li dao quay nghin vt liu.

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-p ng c bn cho 1 s nhu cu nghin nh vt liu m khng cn ng nht cao. III/. Mt s nhn xt cm ngh v phng th nghim: -Phng th nghim Silicate l ni tin li cho tt c sinh vin khoa cng ngh vt liu ni chung v chuyn ngnh Silicate ni ring mun s dng cho cng tc nghin cu, th nghim, hc tp. -Cc trang thit b, my mc ca phng p ng c bn phn no ging vi thc t sn xut, nhng ch mc quy m nh, thch hp cho vic th nghim hc tp. -Do c th ca hu ht vt liu dng bt nn nhn bn ngoi, phng th nghim khng c p, ngn np lm v bi v rt nhiu bao nguyn vt liu. Tuy nhin nhng vn nh ny khng nh hng n chuyn mn ca phng v hiu qu s dng m phng th nghim mang li.

TNG KTQua cc bui tham quan phng th nghim v cc nh my thuc ba phn nghnh ca khoa Cng ngh Vt liu, em v cc bn sinh vin khc c25

c nhng kin thc rt hu ch v thit thc v thc trng, cng ngh v s pht trin ca ngnh cng ngh vt liu ni chung v v cc phn ngnh ca khoa ni ring. Trong cc bui tham quan, tuy cn nhiu vn v thi gian v hng dn cha c thuyt phc lm, nhng trn ht vn l s m rng kin thc thc t v lng am m hc tp, nghin cu khoa hc v vt liu ca chng em c nng ln rt nhiu. Chng em rt cm n cc thy c tn tnh hng dn chng em c c nhng bui tham quan tuy khng nhiu v thi gian nhng rt nhiu v kin thc. Sau cc bui tham quan ny, chng em c c ci nhn rng hn, c th hn v khoa, v cc phn ngnh ca khoa v v s la chn tng lai ca mnh. Thc tp hng nghip vi cc bui tham quan nh my sn xut v cc phng th nghim l mt tin quan trng i vi vic la chn phn ngnh v mn hc tht s li n tng vi sinh vin khoa Cng ngh Vt liu kha 2009 chng em.

Ti liu tham kho26

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www.fmt.hcmut.edu.vn www.ymyceramic.com.vn www.minhhungplast.com.vn

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