Bao Cao Cad Cam Hong

n CAD/CAM

Li ni uNgy nay s pht trin mnh m ca khoa hc k thut , yu cu cng cao v chnh xc ca cc sn phm cng nghip cng nh dn dng .iu t ra mt yu cu cao cho ngnh c kh. i vi sinh vin c kh ngnh vic tm hiu cng ngh iu khin s ng dng vo cng c sn xut chnh xc l mt phn trong chng trnh hc. n CAD/CAM/CNC gp phn nng cao kin thc v sn xut chnh xc.ng thi to ra s tip cn vi cng vic sau ny khi tham gia vo sn sut ca nh my Vi ti Thit k phn khun v lp trnh gia cng khun dp v in thoi s dng Solidwork v SolidCam gip em hiu r v cng ngh ny.Trong qu trnh lm ti ny em c c s gip ca thy Nguyn c Lc v cc bn trong lp hon thnh ti. Sinh vin thc hin

L Quang Dn

SVTH L Quang Dn 06CDT1

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n CAD/CAM

Mc LcChng1: GII THIU V CAD/CAM.............................................................................4 I.Vai tr v chc nng ca CAD/CAM/CNC:.................................................................4 II. ng dng CAD/CAM/CNC trong sn xut sn phm................................................5 III. Gii thiu v chc nng ca Solidwork v Solidcam trong CAD/CAM/CNC.........5 I.Sn phm chi tit ..........................................................................................................6 + C bn v tui th cao............................................................................................9 II. Tnh nng k thut ca chi tit gia cng.....................................................................9

1.Chn vt liu lm khun...........................................9 2.Phn tch cc bc gia cng chi tit.......................10 3.Chn my gia cng chi tit......................................10Chng 3: PHN KHUN CHI TIT..............................................................................13 I. Yu cu khun............................................................................................................13 II. Phn khun chi tit....................................................................................................13

1. Bc 1:....................................................................13 2. Bc 2:....................................................................14 3. Bc 3:....................................................................14 4. Bc 4:....................................................................14 5. Bc 5:....................................................................16 7. Bc 7:....................................................................17Chng 4 : LP TRNH GIA CNG V XUT CHNG TRNH.............................18 I.Phn tch lp trnh gia cng.........................................................................................18 II.Gia cng chi tit khun trn.......................................................................................18

1. Bc 1:....................................................................18 2. Bc 2:....................................................................21SVTH L Quang Dn 06CDT1 Trang 2

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3. Bc 3: (Phay Th mt y)..................................22 4. Bc 4 (Phay tinh mt y)....................................27 5. Bc 5 (Phay Th mt u )..................................28 6. Bc 6 (Phay tinh mt u)...................................28 7. Bc 7 (Phay th chi tit).......................................29 8. Bc 8 (Phay tinh mt phng lng khun)...........32 9. Bc 9 (Phay tinh mt li trong long khun)........33 10. Bc 10 (Kim tra sai s sau khi gia cng).........34III. Gia cng chi tit khun di....................................................................................35 IV.Xut chng trnh:....................................................................................................38

1.Chng trnh gia cng khun trn:........................38 2.Chng trnh gia cng phn khun di ..............40


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n CAD/CAM

Chng1: GII THIU V CAD/CAMI.Vai tr v chc nng ca CAD/CAM/CNC: Xu th pht trin chung ca cc ngnh cng nghip ch to theo cng ngh tin tin l lin kt cc thnh phn ca qui trnh sn xut trong mt h thng tch hp iu khin bi my tnh in t (Computer Integrated Manufacturing - CIM). Cc thnh phn ca h thng CIM c qun l v iu hnh da trn c s d liu trung tm vi thnh phn quan trng l cc d liu t qu trnh CAD. Kt qu ca qu trnh CAD khng ch l c s d liu thc hin phn tch k thut, lp qui trnh ch to, gia cng iu khin s m chnh l d liu iu khin thit b sn xut iu khin s nh cc loi my cng c, ngi my,tay my cng nghip v cc thit b ph tr khc. Cng vic chun b sn xut c vai tr quan trng trong vic hnh thnh bt k mt sn phm c kh no. CAD/CAM l lnh vc nghin cu nhm to ra cc h thng t ng thit k v ch to trong my tnh in t c s dng thc hin mt s chc nng nht nh. CAD/CAM to ra mi quan h mt thit gia hai dng hot ng: Thit k v Ch to. T ng ho thit k l dng cc h thng v phng tin tnh ton gip ngi k s thit k, m phng, phn tch v ti u ho cc gii php thit k. T ng ho ch to l dng my tnh in t k hoch ho, iu khin v kim tra cc nguyn cng gia cng.


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n CAD/CAM II. ng dng CAD/CAM/CNC trong sn xut sn phm - Thit k m phng hnh hc 3 chiu (3D) nhng hnh dng phc tp. - Giao tip vi cc thit b o, qut to 3D thc hin nhanh chng cc chc nng m phng hnh hc t d liu s. - Phn tch v lin kt d liu: to mt phn khun, tch khun, qun l kt cu lp ghp... - To bn v v ghi kch thc t ng: c kh nng lin kt cc bn v 2D vi m hnh 3D v ngc li. - Lin kt vi cc chng trnh tnh ton thc hin cc chc nng phn tch k thut: tnh bin dng khun, m phng dng chy vt liu,trng p sut, trng nhit , co rt vt liu,... - Ni suy hnh hc, bin dch cc kiu ng chy dao chnh xc cho cng ngh gia cng iu khin s. - Giao tip d liu theo cc nh dng ho chun. - Xut d liu ho 3D di dng tp tin STL giao tip vi cc thit b to mu nhanh theo cng ngh to hnh lp th. III. Gii thiu v chc nng ca Solidwork v Solidcam trong CAD/CAM/CNC -Solidwork l mt phn mm hc ginh cho c kh .y l mt phn mm vi gia din trc quan v c nhiu tnh nng ni tri .Solidwork c th dng thit k 3D mt cc nhanh chng v tin li do c giao din thn thin vi ngi dng.y cng l mt trong nhng l do m em chn chng trnh ny thc hin ti ca mnh.Ngoi nhim v thit k 3D Solidwork c c kh nng m phng ng lc hc v m phng cc chuyn ng vi cc yu t chng ta c th thit lp t thc t bn ngoi. - Phn tch tnh hc. - Phn tch ng hc . - Phn tch ng lc hc(bi ton phn tch ng sut khi c cu chuyn ng con ln di chuyn trn ray). - Phn tch dao ng. - Phn tch nhit hc. SVTH L Quang Dn 06CDT1 Trang 5

n CAD/CAM - Phn tch s va chm ca cc chi tit. - Phn tch thu kh ng hc ( thng qua bi ton phn tch lng nc chy qua ci robine v b tr qut thng gi cho CPU my tnh nhm tn nhit tt hn). - Phn tch qu trnh rt kim loi lng vo khun v mc gia nhit cn thit cho qu trnh . - M phng cnh tay Robot. -Chc nng Cam: Solidwork cn c model SolidCam dng lp trnh gia cng chi tit SolidCam h tr gia cng 2,5D,3D, phay 5 trc ,v gia cng bng tia la in ..Chng 2: PHN TCH THIT K V CHN PHNG N K THUT CA CHI TIT

I.Sn phm chi tit Sn phm : Bnh Omni a hng loi ng knh 125mm.

Trong thc t th bnh Omni c th c ch to t nhiu loi vt liu khc nhau: kim loi, nha ...Trong th vt liu bng nha vn chim a s bi gi thnh r, d dng sn xut hng lot. Cc yu cu c bn sn xut nh sau: Bn , cng, tnh chu mi tt, c dai va pT yu cu ta c th chn ra 2 loi nha c th s dng l: ABS v MELAMINE. -ABS: Cu to gm 3 n phn t Acrylonnitrile, Butadiene, Styrence. Cc phn t ny nh hng n tnh cht ca ABS: Tnh cng, tnh bn vi nhit v ha


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n CAD/CAMcht l do Acrylonnitrile, tnh d gia cng, tnh bn ca Styrene, do dai v va p l ca Butadiene

Hnh 2: Cu trc vt liu ABS Theo thng s k thut tra bng th vt liu ABS c co rt l 0. 4 % 0.7% V Mt l 1,06 g/cm2. -MELAMINE: Mu trng sng Khng nc, ha cht. cng cao. Cch in , cch nhit , chng chy.. C co rt thp Thng c s dng cho cc vt dng y t v dng thng ngy. Do tnh cht ny nn khi lm khun chng ta phi k n co rt ca vt liu nha, sn phm sau khi c ra tha mn ng yu cu ra.


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n CAD/CAM

Chi tit cn c

Khun trn


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n CAD/CAM

Khun di

* Yeu cau oi vi khuon c: + Co o chnh xac tng oi cao. + Cac lo ot b bien dang khong ang ke sau khi ot.+ C bn v tui th cao. II. Tnh nng k thut ca chi tit gia cng 1.Chn vt liu lm khun * Chon vat lieu Vat lieu lam khuon phai am bao ung vi yeu cau nh o ben, o mai mon, tnh chong nt, kha nang chu lc va bien dang, ong thi tuoi tho cao khi lam viec trong ieu kien lien tuc. V vay ta chon vat lieu cho khuon gia cong la thep dung cu hp kim, theo tieu chuan cua Nhat ky hieu la thep SKD11 Khun c nham b mt Rz=20 Cc mt cnh c dung sai khng vt qu 0,02mm c biu din bn v cng ngh.


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n CAD/CAM 2.Phn tch cc bc gia cng chi tit * Khun trn: -Nhuyn cng 1( Phay mt y) a. Bc1: Phay th mt y b. Bc 2: Phay tinh mt y -Nguyn cng 2: (Phay mt trn v phay lng khun) a. Bc 1: Phay th mt trn b. Bc 2: Phay tinh mt trn c. Bc 3:Phay th lng khun d. Bc 5: Phay tinh phn mt phng trong lng khun e. Bc 6 : Phay tinh phn mt cong trong lng khun * Khun di - Nguyn cng 1: a. Bc1: Phay th mt y b. Bc 2: Phay tinh mt y -Nguyn cng 2: (Phay mt trn v phay lng khun) a. Bc 1: Phay th mt trn b. Bc 2: Phay tinh mt trn c. Bc 3:Phay th lng khun d. Bc 5: Phay tinh phn mt phng trong lng khun e. Bc 6 : Phay tinh phn mt cong trong lng khun 3.Chn my gia cng chi titKhng gian lm vic ca my Gii hn khng gian lm lm vic theo phng X Gii hn khng gian lm lm vic theo phng Y Gii hn khng gian lm lm vic theo phng Z Khong lm vic hiu qu theo phng Z Khong cch t u trc chnh n bn my [mm] [mm] [mm] [mm] [mm] 300 200 300 200 285


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n CAD/CAMBn my Kch thc bn my Khong cch gia cc rnh ch T Trng lng Tc chy dao (vs) iu chnh v cp Lng chy dao nhanh Dn ng bng ng c bc (theo 2 phng X, Y) Khong dch chuyn chnh xc Trc chnh ca my ng knh c trc chnh Tc vng quay (thay i v cp tc ) Moment xon trn trc chnh Truyn dn bng ng c xoay chiu 3 pha [mm] [v/ph] [Nm] m 1,5 [mm] [mm] [kg] [m/ph] [m/ph] 250 x 180 45 20 0 4 7,5

40150 5000 24


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n CAD/CAM 4.Chn dao v thng s k thut ca dao a) Dao phay mt: Chn dao phay mt AHU1532R-3 ca hng Hitachi c cac thng s sau : N(rpm) : 2480 Vc: 820 1854.2 0.254 Vf(mm/min): Fz(mm/t):

Doc(mm): 5.0165 Woc(mm): 8.001 b) Dao phay th: Chn dao phay ngn EMXN4060-18-15- TH ca Hitachi c cc thng s sau: N(rpm): 4000 Vc(mm/min): 280 Li :4 Ap:0.2Dc

c) Dao phay tinh mt phng: Chn dao phay ngn EPP4060-TH ca Hitachi c cc thng s sau: N(rpm): 2700 Fz(mm/tooth): 0.028 Vf(mm/min): 310 Ap(mm):1.5Dc Ae(mm):0.05Dc SVTH L Quang Dn 06CDT1 Trang 12

n CAD/CAM d) Dao phay tinh mt cong : Chn dao phay ngn EPDB2030-10-TH ca Hitachi c cc thng s: N(rpm) : 51000 Vf (in/min): 1940 Ap :0.02 Ae: 0.024

Chng 3: PHN KHUN CHI TITI. Yu cu khun II. Phn khun chi tit 1. Bc 1: Khi ng Solidwork vo File/open n th mc cha chi tit cn to khun


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n CAD/CAM 2. Bc 2: Chn cng c to khun c trn Tasbar hoc vo Insert/Mold

Chn Parting Lines chn ng ti khun phn ra . Sau chn chi tit(1) . Tip theo chn Draft Analysis(2) . Click chn cc on thng to thnh vng khp kn(3) Click OK

3. Bc 3: Trn thanh cng c chn cng c Shut-Off Sufaces Tip theo chn OK 4. Bc 4: Trn thanh cng c chn Parting Sufaces to mt phn khun (1) SVTH L Quang Dn 06CDT1 Trang 14

n CAD/CAM Click chn mt phn khun (2) Ch gi tr 20 (3)

(1)

(2)


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n CAD/CAM (3) 5. Bc 5: Chn Tool Slip trn thanh cng c Chn mt phng v hnh dng khun ,Click ln Part Sufaces va to v hnh ch nht trong mt phn khun (1) Click Ok (2) Chn gi tr chiu cao ca khun Click OK (3)

(1)

(2)


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(3) 7. Bc 7: Vo Insert/Features/Move and Copy Click phn khun cn tch .v ko Thc hin ln lc 2 khun


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Chng 4 : LP TRNH GIA CNG V XUT CHNG TRNHI.Phn tch lp trnh gia cng II.Gia cng chi tit khun trn 1. Bc 1: M khun cn gia cng. Chn SolidCam/New/Mill


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n CAD/CAM

Trong CNC- Controller chn h iu khin FANUC Trong Coordinate Sytem Click Define

Chn Select face .Tip tc chn mt phng lm gc ta SVTH L Quang Dn 06CDT1 Trang 19

n CAD/CAM

Click Ok .Hin ln hp thoi cc thng s ca h ta

Click Ok Do ta cn phay mt y lm chun nn ta chn thm mt phng ta th 2 SVTH L Quang Dn 06CDT1 Trang 20

n CAD/CAM

Right Click MAC-1/Add Tng t nh trn ta chn mt y to h ta mi By gi c thm

Tip tc Click Ok 2. Bc 2: Tr v vi menu ban u Click chn Stock to phi phay Tip tc chn Define Click vo chi tit Tip tc chn lp d ca phi so vi chi tit nh hnh

Sau Click Add box to CAD model SVTH L Quang Dn 06CDT1 Trang 21

n CAD/CAM Click Ok Phi c to nh hnh

Ok Tip tc chn Taget /Define 3D model/Click vo mu Click OK Click Ok Trn cy cng c bn phi c dng

3. Bc 3: (Phay Th mt y) Right Click vo CoordSys Manager /Open/chn Possition-2 b Possition-1 Click Ok Trn cy cng c Right Click Operation/Add Operation/Face SVTH L Quang Dn 06CDT1 Trang 22

n CAD/CAM Xut hin ca s

Trong Geometry Click Define Trong Base Geometry chn Face ri Click vo Define ri Click vo mt y Tip tc Click Ok Click Ok Tr v ca s ban u Click vo Tool /Select/Add/chn Face Mill/Chn ng knh dao 32 mm


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n CAD/CAM

Trong Default Tool Data chn thng s nh hnh

Click Select SVTH L Quang Dn 06CDT1 Trang 24

n CAD/CAM + Cong suat cat: Cong suat cat tnh theo cong thc:

Ne =

Pz .V 1020 .60

KWPz = 10 .Cp .t x .Sz y .B n .Z D q .n w

Trong o:

Cac he so Cp, x, y, n, w Tra theo bang 5.6-5.39 So tay cong nghe Ta10 .Cp .t x .Sz y .B n .Z 10 .825 .10 , 2.0,2 0,5.40 0.5.8 = = 871 N co: Pz = D q .n w 40 0.25 .2650 0 ,3= 871 .180 = 2,56 Kw (thoa 1020 .60

Suy ra : Ne

man)

Tr v ca s ban u chn Lever/trong Face depth chn 2 Tr v ca s ban u chn Technology

Click Save & Calculate Click Simulate SVTH L Quang Dn 06CDT1 Trang 25

n CAD/CAM

Click play c ng i ca dao nh hnh

Click Exit By gi trn cy cng c c thm


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n CAD/CAM

4. Bc 4 (Phay tinh mt y) Tng t bc 3 nhng chn tc quay l 2500 v

trong mc Technology chn


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n CAD/CAM

5. Bc 5 (Phay Th mt u ) Right Click vo CoordSys Manager /Open/chn Possition-1 b Possition-2 bng cch Click vo mt u Click Ok Tng t nh phay mt y ta doc ng chy dao nh hnh

6. Bc 6 (Phay tinh mt u) Tng t bc 3 nhng chn tc quay l 2500 v trong mc Lever Up depht chn -1.5 v Face depth chn -2 Trn cy cng c by gi c thm


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n CAD/CAM

7. Bc 7 (Phay th chi tit) Right Click vo Operation /Add Operation/HSM Xut hin ca s

Trong Technology chn Contour roughting SVTH L Quang Dn 06CDT1 Trang 29

n CAD/CAM Trong Geometry /Click Define chn solids Tool chn End Mill ng knh 6 mm + Cng sut ct: Cng sut ct tnh theo cng thc:Ne = Pz .V 1020 .60

KW10 .Cp .t x .Sz y .B n .Z D q .n w

Trong : Pz =

Cc h s Cp, x, y, n, w Tra theo bng 5.6-5.39 S tay cng ngh Ta c: Pz = Suy ra : Ne10 .Cp .t x .Sz y .B n .Z 10 .825 .0,5 0, 2.0,15 0,5.40 0.5.8 = = 450 N D q .n w 40 0.25 .2650 0,3450 .210 = 1,5 Kw 1020 .60

=

(tha mn)

Constraint boundaries /Created Automatic/Trong list chn Auto-created silhouette Passes chn nh hnh


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n CAD/CAM Link Trong General chn One way v

Click Save & Calculate Click Simulate

Trong Solid Verify


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n CAD/CAM

8. Bc 8 (Phay tinh mt phng lng khun) Right Click vo Operation /Add Operation/HSM Trong Technology chn Hirizontal machining Tool chn End Mill 6mm Constraint boundaries /Created Automatic/Trong list chn Auto-created silhouette Passes chn Wall Offset v Floor Offset 0 Link Trong General chn One way Click Save & Calculate Click Simulate


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n CAD/CAM 9. Bc 9 (Phay tinh mt li trong long khun) Trong Technology chn Constant Z machining Tool chn Ball Nose Mill 3mm Passes chn Wall Offset v Floor Offset 0 stepdown 0.01 Click Save & Calculate Click Simulate

Trong ch Solid Verify


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n CAD/CAM

10. Bc 10 (Kim tra sai s sau khi gia cng) Chn biu tng nh trn hnh

Xut hin ca s

Click Execute

Mc sai s c th hin sai s 0.01mm SVTH L Quang Dn 06CDT1 Trang 34

n CAD/CAM III. Gia cng chi tit khun di Thc hin cc bc tng t nh gia cng khun trn ta c cc bc gia cng nh sau: 1.Bc 1: + Chn h trc ta -Chn mt phay trn -Chn mt phay di + Chn stock + Chn target 2.Bc 2: - Phay th v tinh mt y nh v (Operration/Add operation/Face) - Chn dao v cc thng s khc ging nh gia cng khun trn 3. Bc 3: - Phay th v tinh mt y nh v (Operration/Add operation/Face) - Chn dao v cc thng s khc ging nh gia cng khun trn 4. Bc 4: - Phay th lng khun : + Operation/Add operation/HSM -Tenology: Chn Contoun roughing - Tool : Chn dao Bull Nose Mill ng knh 6mm + Link down : 0.254 +N: 1500 - Link :


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n CAD/CAM

-Click Save & Calculater - Click Simulate

Ch SolidVerify

5. Bc 5: -Phay tinh phn mt phng: La chn ging nh gia cng khun trn nhng s dng dao khc End Mill c dng knh 2mm ng dao sau khi gia cng:


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n CAD/CAM

6.Bc 6: - Phay tinh phn mt cong: - Operation/Add operation/HSM +Geometry : chn vo Fillets + Technology : Constant Z machining +Tool : chn dao Ball Nose Mill c ng knh 1mm Sau khi gia cng:


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n CAD/CAM

IV.Xut chng trnh: 1.Chng trnh gia cng khun trn:O50001 G90 G17 G80 G49 G40 G54 G91 G28 Z0 G90 M01 N1 M6 T1 G90 G00 G40 G54 G43 H1 D31 G0 X-19.2 Y63.8 Z50. S1500 M3 M8 (------------------------------) (Phay Z4. G1 Z0.5 F1524 X150.8 F1200 G2 X150.8 Y41.4 R-11.2 G1 X-19.2 G3 X-19.2 Y19. R-11.2 G1 X150.8 G2 X150.8 Y8. R-5.5 G1 X-19.2 G0 Z10. (------------------------------) (Phay tinh phn mt y) (------------------------------) X-19.2 Y63.8 Z10. Z2. G1 Z0. F1200

th phn mt y)

(------------------------------) X-19.2 Y63.8 Z10.


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n CAD/CAMX150.8 F240 G2 X150.8 Y45.2 R-9.3 G1 X-19.2 G3 X-19.2 Y26.6 R-9.3 G1 X150.8 G2 X150.8 Y8. R-9.3 G1 X-19.2 G0 Z10. (------------------------------) (Phay th mt u) (------------------------------) X-19.2 Y63.8 Z10. Z4. G1 Z0.5 F1524 X150.8 F1200 Y45.2 X-19.2 Y26.6 X150.8 Y8. X-19.2 G0 Z10. (------------------------------) (Phay tinh mt u ) (------------------------------) X-19.2 Y63.8 Z10. Z2. G1 Z0. F1523.996 X150.8 F1199.996 Y45.2 X-19.2 Y26.6 X150.8 Y8. X-19.2 G0 Z10. G91 G28 Z0 G90 M01 N2 M6 T2 ( TOOL -2- ROUGH DIA 6.0 MM ) G90 G00 G40 G54 G43 H2 D32 G0 X-20. Y-20. Z50. S2500 M3 M8 (-------------------------------------------) (Phay th lng khun) (-------------------------------------------) X-20. Y-20. Z50. X121.352 Y6.109 Z12.937 G1 X122.116 Y6.25 Z12.54 F6000 X122.641 Y6.347 Z11.851 Z5.505 X123.096 Y6.38 Z4.505 F500 ................................. .................................. G91 G28 Z0 G90 M01 N3 M6 T12 (Thay dao s 12 c ng knh 3 mm) G90 G00 G40 G54 G43 H12 D42 G0 X-20. Y-20. Z50. S1000 M3


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n CAD/CAMM8 (-----------------------------------) (Phay tinh phn mt phng trong lng khun) (-----------------------------------) X-20. Y-20. Z50. X66.701 Y35.496 Z11.876 G1 X67.064 Y35.729 Z11.653 F6000 X67.371 Y35.926 Z11.333 .................................. ..................................... G91 G28 Z0 G90 M01 N4 M6 T13 ( Thay dao s 13 c ng knh 0.5 mm) X-20. Y-20. Z50. M30 G90 G00 G40 G54 G43 H13 D43 G0 X-20. Y-20. Z50. S1000 M3 M8 (---------------------------------) (Phay tinh phn mt cong ) (---------------------------------) X-20. Y-20. Z50. X65.12 Y60.891 Z11.902 G1 X65.449 Y61.204 Z11.689 F6000 X65.729 Y61.47 Z11.369 .............................. X11.997 Y16.203

2.Chng trnh gia cng phn khun di(Chng trnh gia cng th mt O5000 G90 G17 G80 G49 G40 G54 G91 G28 Z0 G90 M01 N1 M6 T1 G90 G00 G40 G54 G43 H1 D31 G0 X-19.2 Y63.8 Z50. S1000 M3 M8 (-----------------------------)

y(-----------------------------) X-19.2 Y63.8 Z10. Z4. G1 Z0.5 F33 X150.8 F100 Y45.2 F200 X-19.2 F100 Y26.6 F200 X150.8 F100 Y8. F200 X-19.2 F100 G0 Z10.


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n CAD/CAM(------------------------------) (CT gia cng tinh mt y) (------------------------------) X-19.2 Y63.8 Z10. Z2. G1 Z0. F33 X150.8 F100 Y45.2 F200 X-19.2 F100 Y26.6 F200 X150.8 F100 Y8. F200 X-19.2 F100 G0 Z10. (------------------------------) (CT gia cng th mt u) (------------------------------) X-19.2 Y63.8 Z10. Z4. G1 Z0.5 F33 X150.8 F100 Y45.2 F200 X-19.2 F100 Y26.6 F200 X150.8 F100 Y8. F200 X-19.2 F100 G0 Z10. (------------------------------) (CT gia cng tinh mt u) (------------------------------) X-19.2 Y63.8 Z10. Z2. G1 Z0. F33 X150.8 F100 G2 X150.8 Y45.2 R-9.3 F200 G1 X-19.2 F100 G3 X-19.2 Y26.6 R-9.3 F200 G1 X150.8 F100 G2 X150.8 Y8. R-9.3 F200 G1 X-19.2 F100 G0 Z10. G91 G28 Z0 G90 M01 N2 M6 T2 ( i dao s 2 c D= 6.0 mm) G90 G00 G40 G54 G43 H2 D32 G0 X-20. Y-20. Z50. S2000 M3 M8 (-----------------------------------------) (CT gia cng th lng khun) (-----------------------------------------) X-20. Y-20. Z50. X82.075 Y34.842 Z12.905 G1 X82.961 Y35.318 Z12.179 F6000 X83.3 Y35.5 Z11. ......................................... X-20. Y-20. Z50. G91 G28 Z0 G90 M01 N3 M6 T6


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n CAD/CAM(Thay dao s 6 c D= 2 MM ) G90 G00 G40 G54 G43 H6 D36 G0 X-20. Y-20. Z50. S1000 M3 M8 (----------------------------------) (Phay tinh phn mt phng ) (----------------------------------) X-20. Y-20. Z50. X72.223 Y37.195 Z11.887 G1 X72.598 Y37.427 Z11.668 F6000 ............................................. G3 X73.36 Y35.9 R0.021 X-20. Y-20. Z50. G91 G28 Z0 G90 M01 N4 M6 T7 (Thay dao s 7 c ng knh D= 1mm) G90 G00 G40 G54 G43 H7 D37 G0 X-20. Y-20. Z50. S1000 M3 M8 (--------------------------------) (Gia cng tinh phn mt cong ) (--------------------------------) X-20. Y-20. Z50. X50.656 Y33.472 .................... X102.826 Y12.114 Z11.916 X-20. Y-20. Z50. M30


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Ti liu tham kho[1]C s k thut CNC Tin v Phay Tc gi V Hoi n - Nh xut bn khoa hc v k thut) [2]. Gs.Ts. Trn Vn ch : Thit k n cng ngh ch to my Nh XB khoa hc k thut -2005. [3]. Gs.Ts. Trn Vn ch(Ch bin) : Cng ngh ch to my Nh XB khoa hc k thut ,2005. [4]. Gs.TS. Nguyn c Lc(ch bin): S tay cng ngh ch to my- Tp 1,2- Nh XB khoa hc k thut- 2005. [5]. Chu Mnh Lc_Pham Vn Song: Trang b cng ngh v cp phi t ng-i hc bch khoa-Khoa C kh. [6]. Pgs.Pts. L Vn Tin(Ch bin): g c kh ha v t ng haNh XB khoa hc k thut


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