gt phan iii cam trong proe 2035

8/6/2019 Gt Phan III Cam Trong Proe 2035

1/58

PH N III: CAM TRONG PRO/ ENGINEER

CH NG 1: LM QUEN V I PRO/NC Pro/NC l m t modul c a t o ra cc d li u c n thi t i u khi n my

CNC gia cng m t chi ti t c a Pro/E. Nhi m v c a n l: - Xu t pht t m hnh thi t k v cc d li u cng ngh , tnh ton qu

o c a dao, xu t ra file d i d ng ASCII (CL Data file). Ngn ng dng trong File ny c d ng ngn ng APT, ch a th dng i u khi n my CNC.

- M ph ng ki m tra qu trnh c t trn mn hnh (NC Check).- Cho php s a ch a file ng chuy n dao. - Dng Post-prossesor thch h p (modul tu ch n) t o ra ch ng trnh

i u khi n my (Machine Control Data - MCD File). File MCD th ng c

g i l ch ng trnh NC. C u trc v ngn ng dng trong ch ng trnh NC ph i t ng tch v i b i u khi n l p trn my. Tu theo yu c u c a khch hng, PTC c th cung c p cc modul sau: - Pro/NC-MILL: Phay 2,5 ho c 3 tr c, gia cng l . - Pro/NC-TURN: Ti n 2 tr c ho c 4 tr c v khoan tm. - Pro/NC-WEDM: C t dy t 2 n 4 tr c. - Pro/NC-ADVANCE: Phay 2,5 n 5 tr c, ti n 2 n 4 tr c, phay ti n

trn trung tm phay/ti n, c t dy 2 n 4 tr c.

1.1. CC KHI NI M1.1.1. Cc khi ni m v qu trnh gia cng Machining Process (Qu trnh gia cng): Qu trnh gia cng l qu trnh

tr c ti p bi n i phi (Workpice) thnh chi ti t my (Part). Trong ti li u ny, qu trnh gia cng l qu trnh c t g t.

Operation (Nguyn cng): M t ph n c b n c a qu trnh gia cng. Nguyn cng c th c hi n trn m t thi t b (Workcell), m t phi v i m t h to xc nh.

NC Sequence (B c): M t ph n c a nguyn cng, th c hi n c t g t trn m t b m t hay m t t h p cc b m t v i m t dao v m t b thng s cng ngh xc nh.

1


2/58

Tool Path ( ng chuy n dao): l ng hnh h c m t qu o c a dao trn m hnh gia cng. Nh ng chuy n dao, c th ki m tra b ng hnh h c qu trnh c t. cng l c s hnh thnh CL Data File.

1.1.2. Cc thnh ph n c a m hnh gia cng Design Model (M hnh thi t

k ): l chi ti t thi t k , s n ph m nh n c sau gia cng, c dng lm c s hnh thnh cc nguyn cng. Cc Feature, m t, c nh c a m hnh thi t k c ch n sinh ra ng ch y dao. Gi a Design Model v phi c m i lin k t. Cc thay i t chi ti t c th c p nh t vo cc

nguyn cng. Part, Assembly,Sheermetal part c th c dng lm Design Model.

Hnh 1:M hnh thi t k

Hnh 1 minh ho m hnh thn van, c dng lm Design Model. Trn thn van c cc l khoan 1 v cc b m t c n phay 2.

Workpice (Phi): l phi ban u, s c gia cng. Vi c nh ngha phi l khng b t bu c, nh ng t o cc thu n l i cho cc b c sau, nh m ph ng gia cng ho c kh o st ph n v t li u b c t.

Phi c th c bi u hi n d i d ng thanh hay v t c. N c th c d dng t o ra t Design Model b ng cch thay i kch th c t o l ng d gia cng, ho c xo,

n (Delete/Suppres) cc Feature. Hnh 2 minh ho phi c thn van, c thi t l p t m hnh chi ti t b ng

cch cho n cc l (t i v tr 1), tng (v tr 2) ho c gi m kch th c (v tr 3).

Hnh :Phi gia cng

M hnh gia cng (Manufacturing Model): M hnh gia cng g m chi ti t (cn c g i l "Reference Part") v m t phi l p ghp v i nhau. M hnh gia

2


3/58

cng cho php th hi n l ng d gia cng v m ph ng gia cng. Th ng th sau khi c gia cng, phi s trng kht v i chi ti t.

Hnh 3 minh ho m hnh gia cng thn van. M hnh g m c chi ti t (mu en) v phi (mu xanh). N u khng quan tm n l ng d gia cng th b n khng c n nh ngha phi. Khi m hnh gia cng ch g m c chi ti t.

N u mu n, b n c th l p thm vo m hnh gia cng cc ph ki n khc, nh c c u k p hay bn quay. Tuy nhin, chng s khng nh h ng g n qu trnh gia cng.

Sau khi thi t l p m hnh gia cng, cc file sau s c t o ra:

- Ti n trnh gia cng (.mfg)- C m l p gia cng (.asm) - Design Model (.prt)

- Phi (.prt).

C n phn bi t 2 lo i m hnh gia cng, lPart Machining v

Assembly

Hnh :M hnh gia cng

Machining. Gi a chng c s khc nhau v th t c gia cng.

T C U HNH CHO PRO/NC QU TRNH GIA CNGOperations

Workcells

Fixtures

H to Ti n trnh gia cngM t h i dao Xu t, nh p d li u gia cng XC L P THNG S DAO THNG S CNG NGH GIA CNG PHAY

3


4/58


5/58

1. M t s khi ni m 1.1. Qu trnh gia cng (Machining Process)

Qu trnh th c hi n cc thao tc cng ngh c n thi t bi n phi ban u thnh chi ti t. Qu trnh gia cng g m qu trnh cng ngh, trong c s tr c

ti p t ng tc gi a dao v phi thay i kch th c, hnh dng, tnh ch t c l c a i t ng v qu trnh khng cng ngh, nh o, v n chuy n,... i t ng.

1.2. Nguyn cng (Operation)

M t ph n c a qu trnh cng ngh , c c trung b i m t my (v d my phay 3 tr c hay my ti n), m t chi ti t, m t phi v m t h tr c to xc nh.

1.3. B c gia cng (NC Sequence)M t ph n c a nguyn cng, c c tr ng b i m t hay m t nhm b

m t gia cng (cc feature), m t dao v m t ch cng ngh xc nh. M t b c g n li n v i m t ng ch y dao.

1.4. ng ch y dao (Tool Path) L ng bi u di n qu o di chuy n c a dao trong qu trnh gia cng.

Trong Pro/E, ng ch y dao c bi u di n b ng m t ng mu v mi tn ch h ng di chuy n c a dao.

1.5. Cc y u t c a qu trnh gia cng Trong Pro/E, ccy u t v t ch t c a qu trnh gia cng c th hi n

d i d ng cc m hnh v th ng c l u thnh cc file. Trong tr ng h p ny, c th hi u y u t l m hnh hay l file. Pro/E dng cc file sau:

Ref.Model.prt (Design Model) = M hnh cu i cng ph i hon thnh (k t qu gia cng). Ta c th g i t t l chi ti t.

Workpiece (Stock) = Phi ban u gia cng nh n c Ref.Model.

Manufacture.asm = M hnh l p rp (Assembly) c a phi v chi ti t. Phi v chi ti t c th c l u thnh 2 file ring bi t ho c c t o

trong cng m t file Manuacture.Mfg. Manufacture.Mfg = File ch a m hnh l p Manufacture.asm v cc d

li u cng ngh . 1.6. Nhi m v c a bi th c hnh

T o m t phi bao quanh m t chi ti t (Ref.Model) cho tr c. 5


6/58

T o h to phi. Gia cng m t profile. Gia cng m t h c. Khoan m t lo t l .

File m hnh chi ti t gia cng: Bai1.prt.2. Trnh t th c hi n 2.1. T o m hnh gia cng

M hnh gia cng ch a chi ti t, phi c l p v i nhau v cc thng s cng ngh lin quan.

B t u t o m hnh gia cng b ng cch ch n menu New t menu

File v ch n Manufacture

NCAssembly nh trong hnh 5. G vo tn file, v d Bai1. Pro/E s t o ra file Bai1.Mfg tr ng, s n sng nh n cc thng tin hnh h c v cng ngh gia cng.

Thng tin u tin ph i a vo l m hnh chi ti t gia cng . l file mhnh chi ti t d ng *.PRT. File m hnhdng cho bi th c hnh ny l Bai1.Prt. Hnh 5: H p tho i New, t o file

T Menu Managerch n MFG Model Assemble REF.Model.Trong danh sch file hi n ra, ch n Bail.prt. Ch n Done/Return. M hnh chi

ti t xu t hi n nh trong

hnh 6.Thng tin k ti p

c a vo m hnh gia cng l phi(Workpiece).

Hnh 6: M hnh chi ti t (Ref.model, Design model)

6


7/58

V b n ch t, phi cng l m t chi ti t nh ng ch a d li u hnh h c ban u. Tr i qua qu trnh gia cng, cc l p v t li u c a phi s c h t i hnh thnh chi ti t. D li u phi c th c ch a trong file .Prt c l p ho c c t o ngay trong file m hnh gia cng. Trong bi ny ta dng ph ng php th hai.

TMenu Manager ch n MFG Model Create Workpeace. Pro/Enh c nh p tn phi. Hy g Bai1-W lm tn phi. Menu Feature quen thu c t o m hnh chi ti t xu t hi n.

Ch n Solid Prostrusion Extrude Solid Done.M b ng nh p Extrude, ch n Placement, Define Pro/E nh c ch n Sketch Plane. Ch n m t

y c a m hnh, Flip i chi u mi tn, ch n OK. Ch n LEFT, ch n m t trong cc m t bn c a m hnh. T thanh cng

c Sketcher,ch n ( ho c t Hnh 7: T o Sketch c s c a phi menu Sketcher, Edge, Use) v ch n l n l t t t c cc c nh bin c a ch nh t (hnh 7).

S d ng tu ch n "Edge use", kch th c y c a phi s trng kht v i

y c a chi ti t. Sau khi ch n t t c cc c nh y c a chi ti t, lm thnh chu vi khp kn, ch n bi u t ng trn thanh cng c Sketcher. Quay l i b ng nh p tham s Extrude, xc nh kho ng ko, nh p gi tr 50 vo trong h p text

. Kh i h p bi u di n phi xu t hi n v i mu xanh l cy (hnh 8). Ta t o ra c m hnh l p rp chi ti t l ng phi .

7


8/58

Trong b c ti p theo chng ta s ho ch nh ti n trnh cng ngh . Chi ti t ny s c gia cng b ng 1 nguyn cng. l nguyn cng Phay, c th c hi n trn my phay ng CNC 3 tr c. Nguyn cng s g m 4 b c:

1. Phay bin d ng ngoi t o hnh kh i ch "D" pha trn. V y NC Sequence u tin l y tn l Profile.

Hnh 8: M hnh l p chi ti t l ng phi

2. Phay h c ch nh t. t tn NC Sequence l Pocket.

3. Khoan 6 l 10. t tn NC Sequence l Drill1.4. Khoan l 15. t tn NC Sequence l Drill2.Cc thng s cng ngh chnh c cho trong b ng sau. Cc quan h sau

c s d ng:

T c c t: )/(1000

phvD

vS

=

L ng ch y dao: Sz Z S (mm/ph).L ng ch y dao rng Sz l y cho thp khng h p kim l 0.06 mm/r.

TT Tn b c Dao v (m/ph) S (v/ph) F(mm/ph) S 1 Profile Ngn u

b ng D30, 4 rng

150 1500 360

2 Pocket Ngn u b ng D10, 2 rng

150 4500 540

3 Drill1 Ru t g D10 100 3000 150

4 Drill2 Ru t g D15 100 2000 1002.2. T o nguyn cngTrong b c ny chng ta ph i ch n my gia cng, xc nh to g c

phi, m t ph ng thot dao.

8


9/58

Qu trnh gia cng ch qua m t nguyn cng. V v y chng ta ch ph i th c hi n b c ny m t l n.

Trong Menu Manager ch n Mfg Setup m h p tho i Operation Setup ch n my, xc nh g c to c a phi v m t ph ng thot dao:

1. Operation Name: t tn nguyn cng. G PHAY1.2. NC Machine: Xc nh lo i my gia cng. Lo i my c n dng l my

phay 3 tr c. Ch n Mill3 Axis v nh p cc tham s v my, b i u khi n, dao c trong h p tho i Machine Tool Setup. Tab Comments s d ng nh p l i m t nguyn cng, v d "Bai thuc hanh so 1" trong h p tho i v a hi n ra. Sau ch n OK.

3. Mach Zero: nh ngha h to phi (th ng g i l i m Zero phi). Ph i ch nh g c to v ph ng cc tr c X, Y, Z. Hi n t i ch a c h to no trong m hnh gia cng nn c n ph i t o m t h to m i.

Hnh 9:H p tho i Operation Setup

Ch n nt sau ch n Createch n phi ( g n h to ). M h p tho i COORDINATE SYSTEM.

V i mong mu n cc tr c to h ng theo 3 c nh kh i h p c a phi, chng ta ch n 3 m t ph ng k nhau c a phi. Sau khi ch n, 3 mi tn xu t hi n

gc phi. Tr c z h ng ln trn hai tr c x v y h ng vo trong phi, n u c n s d ng nt Flip trong tab Orientation ch n h ng ph h p.

9


10/58

Hnh 10: Cc mi tn bi u di n h to phi Ph ng cc tr c to phi ph i ng v i h tr c to trn my, n u

khng th khi gia cng s b sai kch th c. c bi t, chi u

d ng c a tr c Z ph i h ng ra kh i phi, n u khng th s nguy hi m. Dng cc l nh ni trn nh h ng cc mi tn v gn tr c nh trong hnh 11.

Ch c n gn 2 tr c. Tr c cn l i s t c xc nh theo quy t c bn tay ph i. Sau khi xc nh xong cc tr c to , menu MACH CSYS bi n m t. Bi u t ng h to thay th cho 3 mi tn.

Hnh 11: H to trn phi

10


11/58

4. Retract: M t ph ng an ton, xc nh v tr dao tr c v sau khi th c hi n m t b c gia cng. M t ny ph i n m ngoi phi v cch m t phi m t kho ng nh t nh. Trong tr ng Retract t i vng Surface

ch n nt nh ngha m t ph ng an ton.Trong h p tho i (hnh 12), ch n Surface Along Z Axis, g kho ng cch theo tr c Z, v d 20 vo EnterZ DepthOK.

Nguyn cng PHAY1 v a nh ngha xong cn r ng, m i ch ch a cc thng s chung, ch a c l nh gia cng no. Sau b c ny chng ta ph i nh ngha cc b c cng ngh gia cng cc b m t c th .

Hnh 12: H p tho i Retract Selection

k t thc nh ngha nguyn cng, ch n OKDone/Return.2.3. T o cc b c (NC Sequences) 1. Phay bin d ng (Profiling)Trong b c ny chng ta s l p trnh phay theo bin d ng ngoi c a kh i

hnh ch "D".Ph ng php ny dng

phay th ho c phay tinh m t b m t th ng ng ho c xin. M t ng ch y dao theo Profile s c t o ra, c b bn knh dao m b o kch th c yu c u.

Trong Menu Manager, ch n Machining NC Sequence Machining Profile, 3 Axis Done. Trong h p tho i (hnh 13-a), nh d u cc Name,Comments, Tool, Parameters v Surface, sau ch n Done. Nh p cc thng tin theo yu c u t o ra NC Sequence.

11


12/58

(a) (b)Hnh 13: H p tho i ch n NC Sequence (a) v nh ngha dao (b) 1. Name: G "Profile" t tn cho NC Sequence.2. Comments: G l i ch gi i, v d "Phay mat ngoai", xong b m OK.3. Tool: nh ngha thng s dao b ng cch i n cc gi tr vo h p tho i

v a xu t hi n nh hnh sau (hnh 13-b). Ch n trang Geometry, g 4 vo Numberof teech (s rng dao). ch n Apply. Quan st s thay i hnh h c c a dao.

Sau khi nh ngha dao xong, ch n OK.4. Parameters: Ch n Set trong Menu Manager m h p tho i Param

tree (hnh 14).Xc nh cc thng s cng ngh v i n vo b ng c a h p tho i.

ngha c a cc thng s nh sau: CUT_FEED: L ng ch y dao, nh p 360 (mm/ph) STEP_DEPTH: Chi u su m t l p c t, nh p 5 (mm) PROF_STOCK_ALLOW: L ng d l i theo Profile, th ng l gia cng tinh. Nh p 0 (khng gia cng tinh).

12


13/58

CHK_SRF_STOCK_ALLOW: L ng d trn b m t ki m sot va ch m. N u khng t ch ki m sot va ch m th khng nh p gi tr ny. WALL_SCALLOP_HGT: Chi u su l p c t khi gia cng kh i (Volume

Milling). Khi khng dng ch ny, gi tr m c nh (0). SPINDLE_SPEED: T c tr c chnh, nh p 1500 (vng/ph). COOLANT_OPTION: Ch t i tr n ngu i, nh p OFF (khng t i). CLEAR_DIST: Kho ng cch an ton (so v i m t ph ng an ton).

Hnh 14:H p tho i nh p thng s cng ngh

Sau khi nh p xong cc thng s , ch n menu FileSave trong h p tho i. Nh p tn file tham s , ch n OK. Sau ch n File => Exit k t thc nh p tham s .

5. Surfaces: Xc nh b m t (Profile) gia cng. Ch n ModelDoneAdd, Surface, ch n chnh xc cc b m t c n

gia cng (hnh 15). Sau khi ch n h t cc cung c a Profile, k t thc b ng l nh Done Done/Return.

13


14/58

Hnh : Ch n cc b m t gia cng ki m tra k t qu , ch n Play Path Screen Play M h p tho i

PLAY PATH. Sau m t lt ch tnh ton, ta s nhn th y dao ch y v ng qu o dao c v ra d i d ng khung dy. m ph ng d i d ng Solid, ch n NC Check Run. Trong hnh 16 l k t qu Play Path vNC Checkb c gia cng Profile.

Hnh 16: K t qu gia cng Profile N u ch p nh n k t qu th ch n Done/Return Done Sequ nh n

NC Sequence v a t o v k t thc. 2 Phay h c (Pocketing)Phay h c dng phay tinh m t h c sau khi phay th v i Volume Milling

ho c phay tinh m t h c c s n. B m t phay h c ph i cho php ch y dao lin t c.14

Ch n cc b m t hnh thnh Profile c n gia cng


15/58

B c ny nh m phay h c ch nh t trn nh chi ti t nh ch ra trong m hnh.

Ch n MachingNC SequenceNew SequenceMachiningPoketingDone. T Menu Manager, nh chon cc Name, Comments, Tool,Parameters, Surfaces. Cu i cng ch n Done.

1. Name: G tn b c "Pocketing".2. Comments: G ch gi i "Phay hoc chu nhat" OK.3. Tool: nh ngha dao m i, trong h p tho i nh hnh 13-b, ch n

menu FileNew. Nh p thng s dao t ng t nh dao tr c, ch khc tn dao (Tool_ID) l 10FLAT, ng knh dao (Cutter_Diam) l 10, g 2 vo Numberof teech (s rng dao), ch n Apply. Xong ch n OK k t thc nh ngha dao.

4. Parameters: Ch n Set tMenu Manager, h p

tho i Param Tree xu t hi n v i danh m c cc thng s c n nh p cho Pocketing (hnh 17).

Xc nh cc thng s cng ngh v i n vo b ng c a h p tho i. ngha c a cc thng thng

s m i g p nh sau: BOTTOM_SCALLO

P_HGT: Chi u su l p c t y khi gia cng kh i

(Volume Milling).Hnh 17: H p tho i nh p thng s phay h c

15


16/58

SCAN_TYPE: Ki u c t. V i phay h c, c th ch n cc ki u nh hnh 18.

1. TYPE_1: C t th ng. G p o th nh c dao qua.

2. TYPE_SPIRAL: C t theo ng xo n c. G p o th ch y vng quanh.

3. TYPE_2: C t th ng. G p o th ch y vng quanh.

4. TYPE_3: C t lin t c theo t ng vng. H t m t vng th nh c dao sang vng khc. G p o th ch y vng quanh.

5. TYPE_ONE_DIR: Ch c t theo 1

chi u. n cu i ng th nh c dao, ch y v pha u v c t ti p nh ng tr c.

Hnh 18: Cc ki u c t

6. TYPE_1_CONNECT: C t m t chi u. H t m t ng th nh c dao, ch y nhanh v pha u, khoan xu ng v c t ti p ph c. N u c ng bn c nh th c t n i trnh va ch m.

Khi phay h c th ng ch n 4 ki u u, ngha l TYPE_1, TYPE_2 TYPE_3v TYPE_SPIRAL.

Sau khi i n h t cc thng s ch n menu File, Save trn h p tho i, sau ch n FileExit ra ngoi.

5. Sufaces: Ch n cc b m t hnh thnh h c, g m cc thnh v y. Xong, ch n Model Done Add, ch dng Query Sel, xong ch n Done Sel DoneDone Return.

16


17/58

ki m tra k t qu , ch n PlayPathScreen Play. Sau m t lt ch tnh ton, ta s nhn th y dao ch y v ng qu o dao c v ra d i d ng khung dy. m ph ng d i d ng Solid, ch n NC Check Run.Trong hnh 19 l k t qu Play Pathv NC Check b c gia cng Pocketing.

N u ch p nh n k t qu th ch n Done/ReturnDone Sequ nh n NC Sequence v a t o v k t thc.

Hnh 19: K t qu gia cng Profile

3. Khoan cc l10 (Holemaking)B c ny khoan 6 l cng ng knh 10.Trong Menu Manager ch n Machining NC Sequence New

SequenceMachining Holemaking DoneDrill Standard Done.Trong menu bn d i, nh d u cc Name, Comments, Tool, Parameters, v

Holes, sau ch n Done.Ch thch: V i ph ng php Holemaking (t o l ) c nhi u chu trnh gia

cng khc nhau ch n:

+ Drill (Khoan)- Standard (m c nh): Khoan th ng. - Deep: Khoan su.

- Break chip: C b phoi.- Web: t o rnh.- Back: Vt pha sau l

+ Face (Kho y): C d ng dao kho y l . + Bore (Doa): Doa tinh kch th c ng knh.

+ Countersink (Doa mi ng): Vt mi ng l . + Tap (Taro): Taro ren trong l- Fixed (C ng): Ph i h p chnh xc t c tr c chnh v ch y dao

c b c ren chnh xc. My CNC ph i c kh nng nh h ng tr c chnh.

17


18/58

- Floating (B i): Cho php hi u ch nh l ng ch y dao nh tham s FLOAT_TAP_FACTOR.

+ Ream (Khot): Khot tinh l b ng dao khot. + Custom: Cho php t o chu trnh ring cho my c th . Trong bi ny, ch n chu trnh khoan tiu chu n DrillStandard.L n l t nh p cc thng tin sau: 1. Name: G tn "Drill1".

2. Comments: G ch gi i, v d "Khoan cac lo D10" OK.3. Tool: Nh p cc thng s dao nh trong hnh 20. T menu File c a h p

tho i ch n Done.4. Parameters: Ch n Set trong Menu Manager, xu t hi n h p tho i

Param Tree cho khoan (Drilling) nh trong hnh 21.

Hnh 20: Nh p mi khoan Hnh 21: Thng s khoanXc nh cc thng s cng ngh v i n vo b ng c a h p tho i.

ngha c a cc thng thng s m i g p nh sau:

BREAKOUT_DISTANCE: Kho ng ch y qu c a mi khoan, th ng dng khi khoan l thng.

18


19/58

SCAN_TYPE: Quy nh th t khoan cc l . C m t s l a ch n sau (xem hnh 22).

1. TYPE_1: Ch y theo chi u d ng c a tr c Y v ch y i ch y l i theo tr c X (hnh bn tri).

2. TYPE_SPIRAL: Vng theo

chi u kim ng h (hnh gi a). Hnh 22: Cc ki u khoan

3. TYPE_ONE_DIR: Theo chi u tng X, gi m Y (hnh bn ph i). 4. SHORTEST: H th ng t xc nh th t khoan sao cho kho ng ch y

khng l ng n nh t (m c nh). CLEAR_DIST: i m k t thc ch y

dao nhanh, b t u ch y dao v i t c

gia cng. Gi tr m c nh l -1. CLEARANE_OFFSET: i m an ton, b thm vo CLEAR_DIST. N u nh p gi tr m c nh (-), l y i m CLEAR_DIST.

PULLOUT_DIST: i m d ng dao sau khi khoan. Gi tr m c nh (-), dng chnh i m CLEAR_DIST.

Xc nh cc thng s cng ngh v i n vo b ng c a h p tho i. ngha c a cc thng thng s m i g p nh sau:

BOTTOM_SCALLOP_HGT: Chi u su l p c t y khi gia cng kh i (Volume Milling).

Sau khi nh p cc thng s cng ngh , trong h p tho i ch n menu FileExit v Done trong Menu Manager.

5. Hole set: Ch n l khoan. Pro/E cho php khoan m t t p h p

l (Hole Set) trong m t b c theo cc ph ng php khc nhau nh trong h p tho i HoleSet (hnh 23).

Hnh 23: H p tho i ch n l

19


20/58

Ph n trn c a h p tho i (Hole Selection) cho 6 ph ng php ch n cc l khoan:

1. Axes: Cho php ch n t ng l nh ng tm. 2. Group: Ch n m t nhm l c thi t l p t tr c. 3. Points: Tr c ti p ch n v tr khoan nh i m chu n (Datum Point) trn

m hnh ho c c to cc i m chu n t b ng d li u. 4. Diameters: Ch n cc l c cng ng knh. 5. Surfaces: Ch n cc l cng n m trn m t b m t. 6. Parameters: Ch n m t l theo thng s no . C th ph i h p cc ph ng php k trn ch n t p h p l . Ring

ph ng php ch n theo i m khng th ph i h p v i cc ph ng php khc. Ph n d i c a h p tho i (Options) a ra cc tu ch n xc nh thng

s ti p theo c a l :

1. Depth: Xc nh chi u su c a l . Sau khi ch n Depth, h p tho i Hole Set Depth xu t hi n (hnh 24). C th l a ch n 1 trong 3 tiu ch:

- Blind: Ch i m u v i m cu i c a l khoan b ng cch nh p cc gi tr Z ho c ch n cc b m t t ng

ng.- Auto: Chi u su l c xc

nh t ng theo kch th c thi t k , N u c cc l trng tm nhau th chi u su l n nh t c ch n mi n l ng knh dao trng v i ng knh l . Hnh24 cho v d v tr ng h p v a nu.

Hnh 24: H p tho i xc nh

chi u su l

20


21/58

- Through All: Khoan thng t t c cc phi ho c cc chi ti t c ch n. C th dng Delect, Select All ho c Unselect ch n, thi ch n cc phi ho c chi ti t c n a vo tnh chi u su l .

M c Tool Depth cho php tnhchi u su l theo Tip ( nh mi khoan) ho c Shoulder (ph n thn) nh minh ho trong hnh 25.

2. Use Prev: Ch n t p h p l c trong b c tr c v c th thm, b t theo yu c u c a b c m i.

3. Auto Chamfer: N u nh d u

tu ch n ny th cc l c t ng vt mi ng. Kch th c vt tu thu c kch th c dao ang dng. Hnh 25: Tu ch n chi u su

Trong bi ny, ch n DiameterCh n 10 trong h p tho i Select HoleDiameter. Trong h p tho i Hole Set Depth, ch n Auto v TipOKOK.

ki m tra k t qu , ch n PlayPathScreen Play . Sau m t lt ch tnh ton, ta s nhn th y dao ch y v

ng qu o dao c v ra d i d ng khung dy. m ph ng d i d ng Solid, ch n NC CheckRun.

Trong hnh 26 l ng ch y dao c hnh thnh.

N u ch p nh n k t qu th ch n Done/Return Done Sequ nh n

NC Sequence v a t o v k t thc. Hnh 26: Th t khoan cc l 104. Khoan l 15Trn chi ti t c 1 l 15. Th t c l p trnh khoan l ny t ng t nh

khoan cc l 10, ch khc trong h p tho i Select Hole Diameter, ch n Diameter = 10.

21


22/58

n y, chng ta th c hi n xong 4 b c c a nguyn cng Phay1. ki m tra ton b nguyn cng, trong Menu Manager ch n CL Data Ouput Operation. Trong danh m c, ch n Phay1. Ch n cng c xu t file: Play PathScreen PlayDone s nh n c qu o dao gia cng. m ph ng, ch n

NC Check

Run. K t qu gia cng c th hi n nh trong hnh 27.

Hnh 27: M ph ng gia cng nguyn cng Phay12.4. Ghi v s d ng CL Data file

Cho n y, cc d li u m i ch c l u tr trong file m hnh gia cng. C n ph i xu t d li u ny ra CL Data file c l p, t c th t o ra file d li u i u khi n my CNC (ch ng trnh NC). Mu n t o ra ch ng trnh NC, ph i c Post-Processor. Ph n m m Pro/E tiu chu n ch c th t o ra CL Data File d i d ng ngn ng APT.

1. Xu t CL Data ra fileTrong Menu Manager, ch n ManufactureMachineCL Data

Output Select set => Creattn Operation ho c tn NC Sequence . Mmenu CREAT SET ch n ton b cc nguyn cng, r i ch n Done Sel.File. Trong menu Output Type, nh d u CL File v Interactive Done.Trong h p tho i Save As, ch n New File (g tn file, v d Bai1)OK. K t qu , nh n c file Bai1.NCL.

2. c d li u t file

Sau khi kh i ng Pro/E, t menu FileOpenCh n tn file (Bai1.mfg)Open. M hnh gia cng xu t hi n trn mn hnh ho . TMenu Manager, ch n CL dataOperaton tn nguyn cng (Phay1)DisplayDone. Sau m t th i gian tnh ton, qu o dao s c v trn m hnh gia cng.

22


23/58

Mu n ch y m ph ng, ch n NC CheckRun.BI 2: L P TRNH GIA CNG CHI TI T LNG KHUN Qua bi ny chng ta s lm quen v i m t nhi m v ph c t p h n, t o b

m t ph c t p (Free-Form Surface). M t s n i dung quen thu c t bi tr c

s c trnh by ng n g n h n. Nhi m v c a bi th c hnh g m

T o m hnh gia cng t m t phi v m t chi ti t ch a trong 2 file c l p. T o nguyn cng phay (Mill). Gia cng th lng khun (Rough).

Gia cng tinh lng khun (Finish).

Ghi CL Data ra fle v c d li u t file. File ch a m hnh chi ti t gia cng c tn l Bai2.prt. Chi ti t (hnh 28) l

m t n a khun. Lng khun c hnh thnh t 4 m t th ng ng, nh ng l i c cc cung v trn c nh v cc v u l i. Kch th c bao ngoi c a chi ti t l 100 60 30.

Hnh 28: Chi ti t (n a khun) v phi gia cng

1. T o m hnh gia cngL n ny, chng ta dng k thu t khc t o m hnh gia cng: t o phi

c l p r i dng k thu t l p rp l p phi v i chi ti t. Ph ng php ny cho php nh h ng chi ti t theo phi.

1.1. T o m hnh phiPhi c n t o ra l kh i h p c kch th c 100 60 30, b ng kch th c bao ngoi c a chi ti t (hnh 28). Vo menu FileNewPartg tn Bai2-W t o ra file Bai2-W.prt. Ch :

- nh n v o chi u di l mm.

23


24/58

- nh h ng y phi theo m t chu n DTM2 (Top), c nh di DTM3 (Front), c nh ng n bn tri DTM1 (Left).

1.2. L p chi ti t vo phi Ch n New t menu File. Trong

h p tho i New, ch n Manufacture

NC Assembly nh trong hnh 29. G vo tn file, v d Bai2. Pro/E st o ra file Bai2.Mfg tr ng, s n sng nh n cc thng tin hnh h c v cng ngh gia cng.

Tr c h t n p m hnh phi giacng trong file Bai2-W.prt. TMenuManager ch n MFG ModelAssembleWorkpeace. Trong danhsch file hi n ra, ch n Bai2-W.prt.

Ti p theo, n p thng tin v chi ti t (REF.Model). Hnh 29: H p tho i New, t o file

TMenu Manager ch n

MFG Model Assemble Ref Model. Trong danh sch

file hi n ra, ch n Bai2.prt.Ta c m hnh chi ti t

l ng phi nh trong hnh 30. Trong b c ti p theo

chng ta s ho ch nh ti n trnh cng ngh . Chi ti t ny s c gia cng b ng 1 nguyn cng.

Hnh 30: M hnh l p rp (chi ti t l ng phi)

l nguyn cng phay, t tn l Mill, c th c hi n trn my phay ng CNC 3 tr c. Nguyn cng g m 2 b c:

1. Phay th lng khun v i NC Sequence u tin l y tn l Rough.2. Phay tinh lng khun v i NC Sequence th hai Finish.

24


25/58

2. Gia cng2.1. T o nguyn cngTrong b c ny chng ta ph i ch n my gia cng, xc nh to g c


Qu trnh gia cng ch qua m t nguyn cng. V v y chng ta ch ph i th c hi n b c ny m t l n. Trong Menu Manager ch n Machining Operation. M h p tho i

Operation setup, trong h p tho i ny ta nh ngha cc s li u sau: 1. Operation Name: t tn nguyn cng. G Mill.

2. NC Machine: Ch n nt m h p tho i Machine Tool Setup xc nh lo i my gia cng. Lo i my c n dng l my phay 3 tr c, t tn my v cc thng s v my trong h p tho i.

3. Machine zero: nh ngha h to phi hi n t i ch a c h to no trong m hnh gia cng nn c n ph i t o m t h to m i. Click vo bi u

t ng v ch n Creat t o g c to , click vo 3 m t ph ng trn phi r i ch n OK trong h p tho i COORDINATE SYSTEM.

Hnh 31:H p tho i Operation Setup v Machine Setup

25


26/58

V i mong mu n cc tr c to

h ng theo 3 c nh kh i h p c a

phi, chng ta ch n 3 m t ph ng k

nhau c a phi. Ch cho tr c X

h ng sang ph i, Z h ng ln trn

(s d ng tab Oriention v nt Flip

ch n h ng cc tr c) nh hnh

32.

Hnh 32: H to trn phi 5. Retract: M t ph ng an ton,

xc nh v tr dao tr c v sau khi th c

hi n m t b c gia cng. M t ny ph i n m ngoi phi v cch m t phi m t kho ng nh t nh.

Trong tr ng Surface ch n nt

nh ngha m t ph ng antenna ton. Trong h p tho i (hnh 33), ch n Surface Along Z Axis, g kho ng cch theo tr c Z, v d 20 vo Enter

Z DepthOK. k t thc nh ngha nguyn

cng, ch n OKDone/Return.Nguyn cng MILL v a nh

ngha xong cn r ng, m i ch ch a cc thng s chung, ch a c l nh gia cng no. Sau b c ny chng ta ph i nh ngha cc b c cng ngh gia cng

cc b m t c th .


26


27/58

2.2. T o cc b c (NC Sequences) 1. Phay th lng khun (Roughing)

Trong b c ny chng ta s l p trnh phay th lng khun v i dao phay ngn D=10, mi dao hnh ch m c u bn knh R=5. V cn c b c gia cng tinh, nn chng ta s l i l ng d xung quan thnh l 1 mm.

Trong Menu Manager, ch n MachiningNC SequenceMachiningRounhing, 3 AxisDone. Trong h p tho i, nh d u cc Name, Comments,Tool, Parameters v Window, sau ch n Done. Nh p cc thng tin theo yu c u t o ra NC Sequence.

1. Name: G "Rough" t tn cho NC Sequence.2. Comments: G l i ch gi i, v d "Phay tho long khuon" OK.3. Tool: nh ngha thng s dao b ng cch i n cc gi tr vo h p tho i

v a xu t hi n (Hnh 34 -a). Ch n trang Greometry, g 2 vo Number of teech(s rng dao), ch n Apply. Quan st s thay i hnh h c c a dao.

Sau khi nh ngha xong dao c ch n OK k t thc nh ngha dao. 4. Parameters: Ch n Set trong Menu Manager m h p tho i Param

tree (Hnh 34-b).

Xc nh cc thng s cng ngh v i n vo b ng c a h p tho i. Ch cc thng s :

MAX_STEP_DEEPTH: Chi u su m t l p c t l n nh t nh p gi tr 3. MIN_STEP_DEEPTH: Chi u su l p c t nh nh t, nh p gi tr m c nh (-).

ROUGH_STOCK_ALLOW: L ng d l i theo b m t. V c n l i 1 mm gia cng tinh nn nh p gi tr 1.

27


28/58

(a) (b)

Hnh 34: H p tho i nh ngha dao (a) v thng s cng ngh (b)

Sau khi nh p xong cc thng s , ch n menu FileExit trong h p tho i. Ch n Done trong Menu Manager k t thc nh p thng s .

5. Window: nh ngha

c a s . Dng Window l ph ng php nhanh nh t ch nh kh i (Volume) ho c b m t (3-Axis ConventionalSurface) c n gia cng. Sau khi t o m t ng bao kn (dng cng c Sketch) ho c ch n m t ng bao kn c tr c lm c a s , th t t c cc b m t th y c trong c a s u c ch n gia cng.

Hnh 35: C a s ch nh b m t gia cng

TMenu Manager, ch n Create Wind, g tn Window, Ch n t o c a s b ng cc cng c Sketcher. Trong ch Sketcher s d ng cng c Edg Use

28


29/58

ch n ng bao trn mi ng lng khun lm c a s OK. M t ng bao kn c hnh thnh (chi u ng bao mi ng khun) trn m t ph ng rt dao (hnh 35).

Chng ta nh ngha xong cc thng s gia cng. ki m tra k t qu , ch n Play Path Screen Play. Sau m t lt ch tnh ton, ta s nhn th y dao ch y v ng qu o dao c v ra d i d ng khung dy. m ph ng

d i d ng Solid, ch n NC Check Run. Trong hnh 36 l k t qu Play Pathv NC Checkb c gia cng th lng khun (N u khi ch n NC Check m ph ng ch ng trnh bo l i thi ta ph i vo Tools Options v thay i gi tr c a tu ch n nccheck_type l nccheck).

Hnh 36: K t qu gia cng th lng khun theo b m t N u ch p nh n k t qu th ch n Done/ReturnDone Sequ nh n NC

Sequence v a t o v k t thc. 2 Phay tinh lng khun (Finishing)B c ny nh m phay tinh lng khun. Ta dng ch c nng phay tinh

Finishing dng dao nh h n (D=3 mm). Trong Menu Manager, ch n Machining NC Sequence New

SequenceFinishing, 3 AxisDone. Trong h p tho i, nh d u cc Name,Comments, Tool, Parameters v Surface, sau ch n Done. Nh p cc thng tin theo yu c u t o ra NC Sequence.

1. Name: G "Finish" t tn cho NC Sequence.2. Comments: G l i ch gi i, v d "Phay tinh long khuon", xong b m OK.3. Tool: nh ngha thng s dao b ng cch i n cc gi tr vo h p tho i

v a xu t hi n. nh ngha dao ch m c u m i: New 3_Ball v i ng knh 3

29


30/58

mm, bn knh 1,5 mm. Ch n trang Geometry g 2 vo Number of teech (srng dao), ch n Apply.

Ch n OK k t thc nh ngha dao c . 4. Parameters: Ch n Set trong Menu Manager m h p tho i Param

tree.


ROUGH_STEP_DEEPTH: Chi u su m t l p c t. Ch p nh n gi tr m c nh (-), cho php c t 1 l n h t chi u su.

PROF_STOCK_ALLOW: L ng d l i theo b m t. Nh p gi tr 0. Sau khi nh p xong cc thng s , ch n menu FileExit trong h p tho i. Ch n Done trong Menu Manager k t thc nh p thng s . 5. Window

Dng l i Window c t o ra t b c tr c. T Menu Manager, ch n Select Wind . Ng i dng c nh c ch n

i t ng, pick ch n c a s t o ra nguyn cng gia cng th. Chng ta nh ngha xong cc thng s gia cng. ki m tra k t qu ,

ch n Play Path Screen Play Done. Sau m t lt ch tnh ton, ta s nhn th y dao ch y v ng qu o dao d i d ng khung dy. m ph ng Solid, ch n NC CheckRun. Trong hnh 37 l k t qu Play Path vNC Checkgia cng tinh.

Hnh 37: K t qu gia cng tinh lng khun theo b m t N u ch p nh n k t qu th ch n Done/ReturnDone Sequ nh n NC

Sequence v a t o v k t thc. 30


31/58

2.3. Ghi v s d ng CL Data file Cho n y, cc d li u m i ch c l u tr trong file m hnh gia cng.

C n ph i xu t d li u ny ra CL Data file c l p, t c th t o ra file d li u i u khi n my CNC (ch ng trnh NC). Mu n t o ra ch ng trnh NC, ph i c Post-Processor. Ph n m m Pro/E tiu chu n ch c th t o ra CL Data File d i d ng ngn ng APT.

1. Xu t CL Data ra fileTrong Menu Manager,

ch n Manufacture Machine CL Data Output Select One NC Quence ch n m t nguyn cng. Operation

ho c tn NC Sequence

File.Trong menu Output Type, nh

d u CL File v Interactive Done. Trong h p tho i Save As,(hnh 38) g tn file (Bai2) vo

dng New FileOK. K t qu , nh n c file Bai2.NCL. Hnh 38: Xu t CL Data ra file

2. c d li u t file

Sau khi kh i ng Pro/ E t menu FileOpenCh n tn file (Bai2.mfg)Open. M hnh gia cng xu t hi n trn mn hnh ho .

TMenu Manager, ch n CL dataInput. Trong h p tho i Open, ch n tn file: Bai2.NCL Open. Tr l i Menu Manager, ch n Display CL nhd u ToolDone/Return. Sau m t th i gian tnh ton, qu o dao s c v trn m hnh gia cng.

Mu n ch y m ph ng, ch n NC CheckRun.

BI 3: L P TRNH GIA CNG CHI TI T LNG KHUN C THNH VT 100

i t ng gia cng trong bi ny v n l lng khun t ng t nh trong bi 2. i m m i trong bi ny l cc m t bn c a lng khun vt 10 o so v i ph ng th ng ng. V v y chng ta ph i dng k thu t khc, dng Surface Mill. Trong

31


32/58

bi ny chng ta cng c lm quen v i k thu t s p x p l i th t (Reoder)cc b c trong m t nguyn cng.

Nhi m v c a bi th c hnh g m T o m hnh gia cng t m t phi v m t chi ti t ch a trong 2 file c

l p. T o nguyn cng phay (Mill). Gia cng tinh lng khun (Finish).

Gia cng th lng khun (Rough).

S p x p l i cc b c (Reoder). Ghi CL Data ra fle v c d li u t file. File ch a m hnh chi ti t gia

cng c tn l Bai3.prt. Chi ti t (hnh 39) l m t n a khun. Lng khun c hnh thnh t 4 m t nghing 10 o so v i ph ng th ng ng, c cc cung v trn c nh v cc v u l i. Gia cng m t ph ng nghing l v n m u ch t c a bi ny.

Kch th c bao ngoi c a chi ti t l 100 80 30.

Hnh 39: Chi ti t n a khun

1. T o m hnh gia cngL n ny, chng ta cng t o m hnh gia cng t 2 file c l p: File ch a

m hnh gia cng Bai3.prt v file ch a m hnh phi Bai3-W.prt.1.1. T o m hnh phi

Phi c n t o ra l kh i h p c kch th c 100 80 30, b ng kch th c bao ngoi c a chi ti t. Vo menu FileNewPart g tn Bai3-W t o ra file Bai3-W.prt.

Ch :

- nh n v o chi u di l mm. - nh h ng y phi theo m t chu n DTM2 (Top), c nh di DTM3

(Front), c nh ng n bn tri DTM1 (Left).

32


33/58

1.2. L p chi ti t vo phi Ch n New t menu File. Trong

h p tho i New, ch n ManufactureNC Assembly nh trong hnh 40. G vo tn file, v d Bai3. Pro/E st o ra file Bai3.Mfg tr ng, s n sng nh n cc thng tin hnh h c v cng ngh gia cng.

Tr c h t n p m hnh phigia cng trong file Bai3-W.prt. TMenu Manager ch n MFG Model Assemble Workpeace. Trongdanh sch file hi n ra, ch n Bai3-

W.prt.Ti p theo, n p thng tin v chi

ti t (REF.Model).Hnh 40: H p tho i New, t o file

T Menu Manager ch n MFG Model Assemble Ref Model.Trong danh sch file hi n ra, ch n Bai3.prt.

Ta c m hnh chi ti t l ng phi nh trong hnh 41. Trong b c ti p theo chng ta s ho ch nh ti n trnh cng ngh . Chi ti t

ny s c gia cng b ng 1 nguyn cng.

l nguyn cngphay, t tn l Mill, c th c hi n trn my phay ng CNC 3 tr c. Nguyn cng ph i g m 2 b c:

1. Phay th lng khunv i NC Sequence u tin l y tn l Rough.

2. Phay tinh lngkhun v i NC Sequence thhai Finish.

Tuy nhin, t o tnh hu ng ph i s p x p l i cc b c, chng ta l p trnh gia cng tinh tr c.

33


34/58

Hnh 41: M hnh l p rp (chi ti t l ng phi) 2. Gia cng

2.1. T o nguyn cngTrong b c ny chng ta ph i ch n my gia cng, xc nh to g c


Qu trnh gia cng ch qua m t nguyn cng. V v y chng ta ch ph i th c hi n b c ny m t l n.

Trong Menu Manager ch n Machining Operation m h p tho i Operation Setup. Trong h p tho i ny nh ngha cc thnh ph n cho nguyn cng:

1. Operation Name: t tn nguyn cng, nh p Mill.

2. NC Machine: Click ln bi u

t ng xc nh lo i my gia

cng v cc thng s v my. Lo i my c n dng l my phay 3 tr c. Ch n OK ch p nh n my.

3. Machine Zero: nh ngha h to phi hi n t i ch a c h to no trong m hnh gia cng nn c n ph i t o m t h to m i.

Click ln bi u t ng trong

Menu Manager

MACH SYS

Creat ch n phi v m h p tho i

COORDINATE SYST ch n 3 m t

ph ng nh ngha g c to phi.

Sau khi k t thc nh n OK.

V i mong mu n cc tr c to

h ng theo 3 c nh kh i h p c a phi,

chng ta ch n 3 m t ph ng k nhau c a

Hnh 42: H p tho i Operation Setup

Hnh 43. To phi

34


35/58

phi. Ch cho tr c X h ng sang

ph i, Z (mi tn ) h ng ln trn nh

trong hnh 43.

5. Retract: M t ph ng an ton,

xc nh v tr dao tr c v sau khi th c hi n m t b c gia cng. M t ny

ph i n m ngoi phi v cch m t phi

m t kho ng nh t nh. Trong h p

tho i (hnh 44), ch n Surface Along Z Axis, g kho ng cch theo

tr c Z, v d 5 vo Enter Z DepthOK.

k t thc nh ngha nguyn

cng, ch n OK.


2.2. T o cc b c (NC Sequences) 1. Phay tinh (S d ng ki u phay b m t Surface Mill) Trong b c ny chng ta s l p trnh phay tinh lng

khun v i dao phay ngn D=3, mi dao hnh ch m c u bn knh R=1,5. Chu trnh phay c dng l phay b m t (Surface Mill).

Ph ng php ny t o ra m t ng qu o dao ph ng (Flat Tool Path) trnRetract Surface, sau chi u ng ny ln b m t gia cng hnh thnh qu o dao th c (projected tool path).

35


36/58

Hnh 45: Ch n ph ng php Surface Mill Trong Menu Manager, ch n MachiningNC Sequence Machining

Surface, 3AxisDone.Trong SEQ SETUP, nh d u cc Name, Comments, Tool, Parameters,Surface,Define Cut, sau ch n Done. Nh p cc thng tin theo yu c u

t o ra NC Sequence.1. Name: G tn "Finish" cho NC Sequence.2. Comments: G l i ch gi i, v d "Phay tinh long khuon" OK.3. Tool: nh ngha thng s dao b ng cch i n cc gi tr vo h p tho i

Tools Setup v a xu t hi n. Nh p tn dao l T0001 trong Name, k u dao phay (Mill) trong Type, ng knh dao l 3 trong Cutter Diameter, bn knh gc dao

(Corner Radius) l 1.5, s rng dao ( Number of teech) l 2. Ch n Apply. Nh n OK ch p nh n.

36


37/58

4. Parameters: Ch n Settrong Menu Manager m h p tho i Param tree(Hnh 46).


STEP_OVER: Kho ng cch gi a cc ng ch y dao. Gi tr cng nh th b m t cng m n h n.

PROF_STOCK_ALLOW:

V l b c gia cng cu i cng nn l ng d xung quanh profile

l y gi tr 0.

Hnh 46: Thng s cng ngh gia cng tinh

Sau khi nh p xong cc thng s , ch n menu FileSave nh p tn file v ch n FileExit trong h p tho i. Ch n Done trong Menu Manager k t thc nh p thng s .

5. Surfaces: Ch n t t c cc b m t t o thnh lng khun v cc v u l i. C 3 ph ng php nh ngha b m t gia cng:

Model: nh ngha t m hnh chi ti t. Mill Volume: nh ngha th tch gia cng. Mill Surface: nh ngha b m t gia cng.

y ta ch n Model nh ngha b m t gia cng b ng cch ch n cc b m t tr c ti p trn m hnh. Model Done, yu c u ch n cc b m t gia cng, ta ch n t t c cc b m t c a lng khun c n gia cng.

ch n ng v nhanh cc b m t c th k t h p cc k thu t QuerrySeleect v Pick Many. Querry Select a ra danh sch cc i t ng c th ng i dng ch n ng i t ng mong mu n. V i cng c Pick Many, ng i

dng ch c n dng phm tri chu t chon 2 gc c a c a s . Cc i t ng n m g n trong c a s s c ch n. Sau khi ch n h t cc b m t click ln Done/ Return. M h p tho i Cut

Defintion trong h p tho i ny ch n: Straingh Cut (C t th ng) v Relative to x-Axis (gc ng ch y dao theo ph ng x) nh p gi tr l 0. Click OK.

37


38/58

Hnh 47: ng ch y dao Nh v y ta t o ra cc ng ch y dao trn b m t Retrac surface, cc

ng ch y dao ny s chi u ln b m t gia cng th c hi n gia cng. Chng ta nh ngha xong cc thng s gia cng. ki m tra k t qu ,

ch n Play Path Screen Play Done. Sau m t lt ch tnh ton, ta s nhn th y dao ch y v ng qu o dao c v ra d i d ng khung dy. m ph ng d i d ng Solid, ch n NC CheckRun. Trong hnh 48 l k t qu Play

Path vNC Checkb c gia cng th lng khun.- Hnh bn ph i th hi n qu

trnh t o thnh Tool Path trong lngkhun ( ng xanh l cy) t hnh ph ng c a n trn Retract Plane.

- Hnh d i, bn tri l Tool Path do mi dao sinh ra.

- Hnh d i, bn ph i l k t qu ch y NC Check. Ta th y dao n m t l n h t chi u su.

Hnh 48: K t qu gia cng tinh lng khun theo b m t

38


39/58

N u ch p nh n k t qu th ch n Done/Return Done Sequ nh n NC Sequence v a t o v k t thc.

2 Phay th lng khun (Volume)

B c ny nh m phay th lng khun, dng ph ng php phay kh i (Voume). b ng dao ch m c u D=10 mm.

B ng ph ng php Volume, m t kh i v t li u trong lng phi s c c t theo t ng l p. Cc l p c t song song v i m t rt dao, cch nhau m t kho ng c quy nh b i cc thng s STEP_DEPTH v WALL_SCALLOP_HGT. B dy nh nh t cho php c a l p c t c quy nh b i thng s MN_STEP_DEPTH. Kho ng cch gi a cc ng ch y dao trong m t ph ng c xc nh b i cc thng s STEP_OVER, NUMBER_PASSES, BOTTOM_SCALLOP_HGT, and STEPOVER_ADJUST.

Cc ng d ng ch y u c a phay Volume l:

- Kho m t phi. - Gia cng ph v t li u bao ngoi chi ti t. - Gia cng ph cc rnh, h c ho c cc h c c o. - Gia cng tinh h c, ch n gi tr PROF_ONLY cho thng s

ROUGH_OPTION.

V n quan tr ng khi phay l ch n ng i t ng gia cng. Kh i gia cng c th c ch n trn c s cc i t ng hnh h c c s n ho c c t o ra t Sketch.

Ni chung, k thu t ch n kh i kh ph c t p, ph i lm quen v rt kinh nghi m d n. Cc s trong hnh 49 bn minh ho v so snh hai ph ng php ch n kh i.

N u dng tu ch n Surf &Bnd (m t v bao). Ch n y h c 1 v cc m t bn 2. K t qu l c kh i 3, cho php gia cng c c m t trn c a phi l n h c.

N u dng tu ch n Surfaces,sau ch n y h c 4 th kh i gia cng c hnh thnh ch cho php phay ring h c.

39


40/58

Hnh 49:Ph ng php ch n kh i V i tr ng h p c a bi ny, chng ta dng Window ch n kh i. L do

dng Window cho tr ng h p ny l n n gi n. Trong Menu Manager, ch n Machining NC Sequence New

SequenceVolumeDone.Trong Seq Setup Menu, nh d u cc Name, Tool, Parameters, Window,

sau ch n Done. Nh p cc thng tin theo yu c u t o ra NC Sequence.1. Name: G "Rough" t tn cho NC Sequence.2. Tool: nh ngha thng s dao phay c u b ng cch i n cc gi tr vo h p

tho i Tools Setup v a xu t hi n. Nh p tn dao l T0002 trong Name, k u dao phay (Mill) trong Type, ng knh dao l 10 trong Cutter Diameter, bn knhgc dao (Corner Radius) l 5, s rng dao ( Number of teech) l 2. Ch n Apply.Nh n OK ch p nh n.

3. Parameters: Ch n Set trong Menu Manager m h p tho i Paramtree.

Xc nh cc thng s cng ngh , i n vo b ng c a h p tho i nh hnh 50. Sau khi nh p xong cc thng s , ch n menu FileSave nh p tn file v

OK, ch n File Exit trong h p tho i. Ch n Done trong Menu Manager k t thc nh p thng s .

40


41/58

Hnh 50:Ch n cc thng s phay th lng khun 4. Window:T o c a s TMenu Manager, ch n Create Wind, g tn Window, v d Cavity

SelectTangent Chainch n ng bao trn mi ng lng khun OK. M t ng bao kn c hnh thnh (chi u ng bao mi ng khun) trn m t ph ng rt dao.

Chng ta nh ngha xong cc thng s gia cng. ki m tra k t qu , ch n Play Path Screen Play Done. Ta s nhn th y dao ch y v ng qu o dao d i d ng khung dy. m ph ng Solid, ch n NC Check Run.

Trong hnh 51 l k t qu Play Path vNC Checkgia cng th.

Hnh 51: K t qu gia cng tinh lng khun theo b m t N u ch p nh n k t qu th ch n Done/ReturnDone Sequ nh n NC

Sequence v a t o v k t thc. 3. S p x p l i cc b c (Reoder) Chng ta c t o ra m t l i, l t o b c phay tinh tr c phay th (hnh

52-a). By gi ph i s d ng ti n ch Reoder c a Pro/E s p x p l i chng, ngha l a b c phay th ln tr c b c tinh.

41


42/58

Trong Menu Manager, ch n NC Sequence Utilities ReoderNC Sequnce. Trong danh sch NCSequence, ch n Rough Done Sel

Yes

Done.Trong c a s tr ng thi chng ta s th y thng bo v kh nng chuy n, v d :

Do you want to include CUA1

in group definition? Yes

" The only reoder possibility is

to insert feature [9-12] before [6]"

Ch n Done. Xu t hi n thng bo ti p:

"Fature [9-12] will be insert

before feature [6]. Confirm/Cancal".

Ch n Confirm. K t qu s p x p l i nh trong hnh 52-b.

(a) (b)

ki m tra k t qu , ch n

PlayPath Screen Play DoneHnh 52: S p x p l i th t cc b c

Ta s nhn th y dao ch y v ng qu o dao d i d ng khung dy.

m ph ng Solid, ch n NC CheckRun.Trong hnh 53 l k t qu Play Path vNC Checknguyn cng Mill, sau khi

s p x p l i th t cc b c. Chng ta th y dao ang gia cng tinh b m t c gia cng th.

Hnh 53: Ki m tra k t qu s p x p l i b c gia cng

42


43/58

2.3. Ghi v s d ng CL Data file Cho n y, cc d li u m i ch c l u tr trong file m hnh gia cng.

C n ph i xu t d li u ny ra CL Data file c l p, t c th t o ra ch ng trnh NC. Mu n t o ra ch ng trnh NC, ph i c Post-Processor. Ph n m m Pro/E tiu chu n ch c th t o ra CL Data File d i d ng ngn ng APT.

1. Xu t CL Data ra fileTrong Menu Manager, ch n Manufacture Machine CL Data

Output Select Set tn Operation ho c tn NC Sequence File. Trongmenu Output Type, nh d u CL File v Interactive Done. Trong h p tho i Save As, g tn file (Bai3) vo dng New FileOK. K t qu , nh n c file Bai3.NCL.

2. c d li u t file Sau khi kh i ng Pro/E, t menu FileOpenCh n tn file (Bai3.mfg)

Open. M hnh gia cng xu t hi n trn mn hnh ho . TMenu Manager, ch n CL dataInput. Trong h p tho i Open, ch n tn file: Bai3.NCL Open. Tr l i Menu Manager, ch n Display CL nhd u ToolDone/Return. Sau m t th i gian tnh ton, qu o dao s c v trn m hnh gia cng.

Mu n ch y m ph ng, ch n NC CheckRun.BI 4: CH C NNG EXPERT MACHINISTC A PRONCQua bi ny chng ta s lm quen v i m t cng c khc c a ProNC, Expert

Machinist. Cng c ny c m t s ti n ch, cho php ch n cc i t ng v ch gia cng d dng v tr c quan h n, theo phong thi m t ng d ng Windows th c s .

Chi ti t gia cng trong bi ny ph c t p h n trong cc bi tr c (hnh 54), g m:

- V u l i (Slab) 1.- 2 h c h (Step) c v trn y 2.- 2 h c kn (Pocket) c v trn y 3.- M t bn (Profile) 4.- Rnh (Slot) 5.

- Dy l (Hole Patten) 6.- M t ph ng (Face) 7. Hnh 54: Chi ti t gia cng

43


44/58

Chi ti t ny c th c gia cng trong 1 nguyn cng (Mill), dng my phay 3 tr c. Nguyn cng g m 9 b c (NC Sequence) sau:

1. Face: Kho m t u n nh c a v u l i 1. 2. Slab: Gia cng m t 7, l i v u l i 1. 3. Profile: Gia cng m t 4, t o b c hnh ch "D".

4. Slot: Gia cng rnh 5.5, 6. Poket: Gia cng cc h c 3.7, 8. Step: Gia cng cc h c h 2. 9. Hole patten: Khoan dy l 6.Nhi m v c a bi th c hnh g m

T o m hnh gia cng. T o nguyn cng phay (Mill). Ch n cc i t ng (Feature) gia cng. T o cc b c gia cng (NC Sequence). Ghi CL Data ra fle v c d li u t file.

1. T o m hnh gia cngChng ta s t o m hnh gia cng t file ch a m hnh gia cng Bai4.prt, sau

t o m hnh phi bao ra ngoi chi ti t b ng cng c c bi t c a NC Expert. 1.1. Kh i ng Pro/E v i Expert MachinistPro/E c 2 ch lm vi c:

Ch ProNC nh chng ta quen dng. Ch th hai, Expert

Machinist c kh i ng nh

sau:Ch n New t menu File.

Trong h p tho i New, ch n ManufacturingNC Expert nhtrong hnh 55. G vo tn file, v dBai4. Pro/E s t o ra file Bai4.Mfg.

Pro/E a ra NC-WIZARD. Lo i b n b ng cch b m vo nt Quit NC-Wizard. M t s menu v thanh cng c Feature xu t hi n (hnh 56). Trn thanh ny ch a cc nt cng c ch n cc Feature,

Hnh 55: H p tho i New, t o file

44


45/58

i u khi n hi n th m hnh v t o cc b c gia cng.

ngha c a cc nt nh sau:

Hnh 56: Thanh cng c Feature

1. T o h c c y (Create Pocket Feature)2. T o h c th ng (Create Thru Pocket Feature)

3. Ta rnh ph c h p (Create Channel Feature)4. T o rnh th ng (Create Slot Feature)5. T o h c h (Create Step Feature)6. T o m t ph ng (Create Face Feature)7. T o v u l i (Create Slab Feature)8. T o b c (Create Flange Feature)9. T o m t bin (Create Profile Feature)10. T o nh v u (Create Boss Top Feature)

11. T o dy l (Create Hole Pattern Feature)12. T o l d i b c (Create Entry Hole Feature)13. B t t t hi n th ph n v t li u b c t (Toggle Display of Material Removal)14. T o b m t t do (Create Free Form Feature)By gi , Expert Machinist s n sng cho vi c l p trnh. File m hnh gia cng

Bai4.mfg c t o ra cn r ng, c n nh p cc d li u hnh h c v cng ngh cho n. 1.2. T o m hnh gia cngTr c h t ph i nh p d li u hnh h c c a chi ti t gia cng.

T thanh menu, ch n NC Setup

NC Model

Create Model. Ch p nh n tn m c nh c a m hnh gia cng, trong h p tho i Open, ch n file ch a m hnh chi ti t Bai4.prt a n vo m hnh gia cng. M hnh chi ti t hi n ln cng v i menu NC MODEL nh hnh 57. ng t t menu ny v i .

45


46/58

Hnh 57: M hnh l p rp (chi ti t l ng phi)

Vi c ti p theo l t o m hnh phi. Ch n Create Stock, h p tho i t o phi xu t hi n nh trong hnh 58. Trongch m c nh (Default BilletvEnvelope), phi c t ng t o ra c d ng hnh h p bao kht ton b chi ti t gia cng. Trong kch th c phi (Stock Size),hi n gi tr kch th c chi u di (Length), r ng (Width), d y (Thickness) c a h p. Hi n t i cc con s ny b m , ngha l ch a s a c. T i tm c a phi c 3 mi tn mu , ch d c theo ph ng c a cc c nh phi: X theo chi u di, Y theo b r ng, Z theo b dy. y ch a ph i h to phi v ph ng c a cc mi tn c th cng khng trng v i cc tr c to phi. C th s a ph ng c a cc mi tn ny, nh ng khng nh t thi t.

Trong tu ch n (Option) c a h p tho i c 2 m c s a m hnh phi l l ng d (Allowances) v s a i hi n th (Modify Outline).

46


47/58

Hnh 58: T o phi v i Expert MachinistChng ta c n thm 5 mm chi u cao phi kho m t u. B m vo mi

tn bn c nh m c Allowances. M c ny c dn ra, cho php s a cc gi tr kch th c ( hnh 59). Chi u cao by gi ng v i tr c Y, do kch th c t ng

ng c a n l i n m trong m c Width v c gi tr m c nh l 50. C n ko thm 5 mm theo chi u d ng c a tr c Y, v y ta nh p gi tr 5 vo c t c d u "+" c a m c Width r i b m OK. L p t c kch th c chi u cao phi c i thnh 55 v hnh nh phi cng cao ln 5 mm.

Ch p nh n kch th c phi v a s a, nh n tn phi m c nh, ch n Done k t thc vi c t o phi, ng th i cng k t thc t o m hnh gia cng.

Hnh 59: Hi u ch nh kch th c phi 47


48/58

2. T o nguyn cngNguyn cng s dng l nguyn cng phay, t tn l Mill, c th c hi n

trn my phay ng CNC 3 tr c. Chng ta ph i nh ngha my, h to v m t rt dao.

2.1. nh ngha my c t

T thanh menu, ch n NC-Setup Machine Tool Manager, xu t hi n h p tho i Machine Tool Setting nh trong hnh 60. H p tho i ny cho php gn cc thng s c a my, nh tn my, lo i my, s tr c, tn b i u khi n, tr c chnh, tr c ch y dao, dao, vng gia cng. Sau khi nh p cc thng s , b m OK.

Hnh 60: H p tho i nh ngha my 2.2. nh ngha nguyn cng

T thanh menu, ch n NC-Setup Operation. H p tho i ti p theo (Operation Setup) xu t hi n nh trong hnh 61.

Trong h p tho i ny c th t tn nguyn cng, ch n my (n u c nhi u my c nh ngha tr c), xc nh h to v m t rt dao, v tr kh i u v k t thc, nh ngha c c u k p,...

nh ngha h to m i, b m vo mi tn Program Zero. Ti p theo,

ch n 3 m t ph ng xc nh g c to , ch n ph ng cc tr c to . Th t c th c hi n t ng t nh trong cc bi tr c. n y, vi c nh ngha nguyn cng hon t t. Chng ta c th b t

u nh ngha cc b c gia cng (NC Sequence).

48


49/58

Hnh 61: nh ngha h to v m t rt dao 3. nh ngha cc b c gia cng (NC Sequence)

Trong mi tr ng Pro/E truy n th ng, nh th y trong cc bi tr c, chng ta ch n i t ng gia cng trong khi nh ngha b c gia cng. Trong Expert

Machinist, c th ch n tr c ton b cc Feature r i m i t o thng s c t hnh thnh b c gia cng.

3.1. Ch n cc i t ng (Feature) gia cng ch n cc i t ng gia cng c th dng menu ho c dng thanh cng

c nh trong hnh 56. Thanh cng c ti n d ng h n nn chng ta s thin v s d ng thanh cng c .

T o Face FeatureNh bi u t ng ch r,

Feature ny nh m kho m t trn c a phi, ngha l h t m t l p trn ton b b m t trn c a phi t i

i m cao nh t c a chi ti t, trong tr ng h p ny l nh c a v u l i. Sau khi nh n bi u t ng trn, m t h p tho i xu t hi n, cho php cho php xc nh vng gia cng (hnh Hnh 62: H p tho i Face Feature

49


50/58

62).Nh n tn m c nh c a Feature m i l Face1. V i mi tn c a m c

Define Feature Floore c nh n s n, h th ng ch ng i dng ch n m t m t ph ng xc nh b dy l p c t. Ch n m t ph ng trn nh c a v u trn, xong ch n Done/Return.

Tu ch n th hai, Define Program Zero yu

c u nh ngha h to . Chng ta s dng h to chung cho ton nguyn cng

nn b m OK b qua yu c u ny.

B m phm (ToggleDisplay Of MaterialRemoval), chng ta s th y vng Hnh 63: Phi sau khi b kho m t

pha trn b m t i, trn phi ch cn l i v t li u cho nh ng l n c t sau (hnh 63). i sang ch hi n th Shade nhn r h n.

T o Slab FeatureSlab t ng t nh Face nh ng c ph n l i khng b c t. Sau khi kch vo

phm, h p tho i Milling Feature xu t hi n v ch ch n b m t gi i h n d i c a Feature. Ch n m t ph ng t ng ng, xong b m Done/ReturnOK. Ph n phi cn l i nh trong hnh 64.

Hnh 64: T o Slab Feature

50


51/58

T o Profile FeatureProfile Feature nh ngha b m t vi n xung quanh ph n l i ch "D" c a

chi ti t. Kch vo phm m h p tho i Milling Feature.L n ny, Pro/E a ra

yu c u Define Feature Walls.Ch n h t cc m t xung

quanh c a chi ti t DoneSel Done/Return OK.K t qu sau khi lo i Profile

Feature nh trong hnh 65.

Hnh 65: T o Profile Feature

T o Slot FeatureFeature ny cho php gia

cng rnh ti t di n ch nh t

c t ngang chi ti t. Sau khi kch

vo phm, h p tho i hi n ra

nh c ch n m t y c a rnh.

Sau khi ch n m t y rnh,

ch n Done/Return OK.K t qu nh n c nh trong

hnh 66.Hnh 66: T o Slot Feature

51


52/58

T o Pocket FeaturePocket Peature l h c c

gi i h n b i cc thnh bn th ng ng v y. Hnh d ng c a h c

c th b t k ch khng b t bu c ph i trn hay ch nh t. C nh gi a cc m t c th c bo trn.

Sau khi kch vo bi u t ng, ch n m t y h c DoneDone/Return.

Chi ti t c 2 h c gi ng

nhau nh ng ph i th c hi n 2 l n ring bi t, m i l n m t h c.

Hnh 67: Pocket Feature

T o Step FeatureStep Feature l b c,

c gi i h n b i thnh bn th ng ng khng khp kn v m t y. N t o thnh b c trn chi ti t. Step t ng t

nhPocketnh ng h . T o Step t ng t nh Pocket. Kch vo bi u t ng, ch n m t y Done Done/Return.

Chi ti t c 2 Step gi ng nhau, ph i t o 2 l n.

Hnh 68: Step Feature

52


53/58

T o Hole Pattern FeatureV i Hole Pattern Feature, chng ta s

khoan 4 l 5 cn l i. H p tho i DrillGruop c nhi u tu ch n (hnh 69). B qua

2 m c trn v chng ta ch p nh n tn m c nh c a nhm l khoan (Drill GroupName) v dng h to phi chung (Program Zero Selection).

Trong s cc ph ng php ch n l m c Hole Selection: theo tr c (Axes), bm t ch a mi ng l (Surfaces), ng knh (Diameters), theo tham s (By Parameter),dng ph ng php ch n theo ng knh. Ch n DiametersAddSelectCh n 1 l b t k trong nhm. Trong h p tho i Diameter(s) of holes to drill hi n s 5, ch ng t l v a ch n c ng knh l 5 mm v t t c cc l 5 c ch n. B m OK k t thc ch n l .

Hnh 69: H p tho i khoan

n y chng ta ch n t t c cc Feature c n thi t gia cng. Chng c li t k y trong Menu Manager. M hnh phi cng cho th y khng cn g gia cng n a (hnh 70). M i Feature th hi n hnh h c v ph ng php gia cng.

Hnh 70: K t qu sau khi ch n xong cc Feature

53


54/58

3.2. T o qu o dao Ti p theo l t o qu o ch y dao gia cng cc Feature. Mu n v y

ph i ch n l i t ng Feature v nh p thm cc thng s cng ngh c n thi t.

B m phm vo ch gia cng. Trong h p tho i Select Feature,

t t c cc Feature v a t o c li t k ra thnh danh sch. Chng ta c th ch n Feature b t k trong danh sch gia cng. Theo th t , ch n Feature u tin, l Face1OK. H p tho i Face Milling xu t hi n ( hnh 71).

Hnh 71: Nh p d li u Face Milling Hnh 72: Tool Path c t o ra

54


55/58

Cc thng s cng ngh chnh c n nh p nh sau: Tn b c: FaceMill

Thng s dao Thng s cng ngh ng knh 50 mm L ng ch y dao (F) 200 mm/phChi u di 20 mm T c tr c chnh (S) 2000 v/ph

Bn knh gc 3 mm Chi u su l p c t 3 mmS rng 8 Kho ng cch gi a cc ng ch y dao

3 mm

V ch a c dao no c nh ngha nn trong m c Cutting Tool cn hi n ch None. B m bi u t ng dao, h p tho i nh ngha dao xu t hi n. Nh p thng s dao xong b m ApplyOK.

nh d u cc m c nh trong h p tho i. B m Tool Path Properties nh p t c tr c chnh v l ng ch y dao OK.

Trong Menu Manager, ngay sau FACE1[OP010] hi n bi u t ng ng ch y dao v i tn FACE1.TP1[OP010] nh hnh 72. Kch ph i vo s hi n menu con ch n cc ch c nng:

- Tool Path Player hi n ng ch y dao. - Output Tool Path xu t d li u ch y dao ra file. -Edit Defination nh ngha l i Tool Path. -Delete xo Tool Path.

C th ch n Tool Path Player y ho c trn thanh menu chnh ki m tra ng ch y dao. Trong khi ng ch y dao hi n ln trong vng ho th

CL Data t ng ng v i Tool Path hi n hnh xu t hi n trong c a s ( hnh 73).S d ng cc cng c y c a s i u khi n qu trnh m ph ng.

ti p t c t o Tool Path cho ccFeature ti p theo, c n l p l i cc th t c t ng t . Ch c nng Machine Feature cng c th c g i b ng cch kch ph i chu t vo tn Feature v ch n Create Tool Path trong MenuManager nh trong hnh 74.

Cc thng s c n nh p v h p tho i cho t ng Tool Path c li t k trong b ng d i y. Sau m i b c c n dng Tool Path Player ki m tra l i k t

qu l p trnh. Mu n p d ng Tool Path Player cho ton b nguyn cng th kch phm ph i vo tn nguyn cng (OP010[MACH01]).Trn thanh menu View c a h p tho i Play Path c th ch n ch m

ph ng Wireframe (khung dy),NC Check(solid), ho c Gouge Check(ki m tra va ch m).

55


56/58

Hnh 73: CL Data c a Tool Path Hnh 74: T o Tool Path ti p theo Hy nh p cc thng s sau y t o cc Tool Path ti p theo. SlabMill v ProfileMill

Dng dao v thng s cng ngh nh b c tr c. SlotMill

Tn b c: SlotMillThng s dao Thng s cng ngh

ng knh 6 mm L ng ch y dao (F) 200 mm/phChi u di 50 mm T c tr c chnh (S) 2500 v/ph


3 mm

56


57/58

PocketMill v StepMill

Tn b c: PocketMill v StepMillThng s dao Thng s cng ngh ng knh 6 mm L ng ch y dao (F) 200 mm/phChi u di 50 mm T c tr c chnh (S) 2500 v/ph


3 mm

Hole Group Drill

Tn b c: DrillGroupThng s dao Thng s cng ngh

ng knh 5 mm L ng ch y dao (F) 150 mm/phChi u di 50 mm T c tr c chnh (S) 2500 v/phGc mi dao 118 Chi u su l p c t 5 mmS rng 2 Kho ng cch gi a cc ng ch y

dao

0 mm

4. Ghi CL Data ra fIle v c d li u t file Cho n y, cc d li u m i ch c l u tr trong file m hnh gia cng.

C n ph i xu t d li u ny ra CL Data file c l p, t c th t o ra ch ng trnh NC. Mu n t o ra ch ng trnh NC, ph i c Post-Processor. Ph n m m Pro/E tiu chu n ch c th t o ra CL Data File d i d ng ngn ng APT.

4.1. Xu t CL Data ra file

Trong Menu Manager, ch n Manufacture Machine CL DataOutput Sel By Menu tn Operation ho c tn NC Sequence File.Trong menu Output Type, nh d u CL File v Interactive Done. Trong h p tho i Save As, g tn file (Bai4) vo dng New FileOK. K t qu , nh n c file Bai4.NCL.

4.2. c d li u t file

Sau khi kh i ng Pro/E, t menu File Open Ch n tn file (Bai4.mfg)Open. M hnh gia cng xu t hi n trn mn hnh ho .

TMenu Manager, ch n CL dataInput. Trong h p tho i Open, ch n tn file: Bai4.NCL Open. Tr l i Menu Manager, ch n Display CL nhd u ToolDone/Return. Sau m t th i gian tnh ton, qu o dao s c v trn m hnh gia cng.

57


58/58

Mu n ch y m ph ng, ch n NC CheckRun.

58

gt phan iii cam trong proe 2035

Documents