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Bi Qu Tun 4CHaUI

1. Mi trng thit k khun Mold Tooling Design

2. Mt s chc nng chnh trong thit k khun

Bi Qu Tun 4CHaUI

Bi Qu Tun 4CHaUI

Bi Qu Tun 4CHaUI

3. Cc bc thit k khun

B1 : Vo mi trng thit k khun B2 : Gi chi tit sn phm B3 : nh ngha khun c s B4 : nh v khun B5 : Tch li khun v lng khun B6 : Chn cc cht dn hng vo khun B7 : To cc v tr cng nha B8 : To cc knh dn nha B9: To knh lm mt B10 : Lu d liu B11 : Chn cc cht y sn phm vo khun Vo mi trng thit k khun Mold Tooling Design m

3.1

Chn Start->Mechanical Design-> workbench cn thit.

Workbench Mold Design c kch hot:

Bi Qu Tun 4CHaUI

3.2

Gi chi tit sn phm

Kch p chut vo 'Product 2'trn cy thuyt minh kch hot Product2. Gi y n i mu sang mu da cam. Chn Insert -> Existing Component main menu. t thanh

M file sn phm t th mc mu. V d : chi tit Gettingstart01. CATPart y l chi tit sn phm cho khun:

Bi Qu Tun 4CHaUICh l Chi tit by gi c trn cy thuyt minh. Tp chi tit phi cha ng bn thn chi tit cng vi tt c cc b mt cn thit cho vic tch li khun v lng khun.

3.3

nh ngha khun c s

Chn Insert ->MoldBase Component-> Mold Plates t thanh Main menu hoc click ng " trn thanh cng

vo biu tng "New Mold c.

Mt hp thoi xut hin bn nh ngha cc tham s ca khun s c to thnh:

Injection Side Pha Clamping : Tm kp khun ln my tm c nh Upper bar :

Bi Qu Tun 4CHaUI

Cavity support : Tm khun trn (khun c) Cavity : Li khun trn (ghp vo tm khun trn ) Core : Li khun di (ghp vo tm khun di) Ejection side Pha tm di ng Core Support : Tm khun di Riser bar : Thanh tm khun di (chn ) Setting : Tm bich Stripper : Tm tho khun A Plate/ B Plate : Tm A / tm B Length : Chiu di tm Dimension thc chi tit Kch Overhang : Chiu di phn kp Width : Chiu rng tm Thickness : B dy tm ng thi,mt phc tho ca c s khun c trnh by trn chi tit. Kch chut vo biu tng catalog m trnh duyt catalog. Kch p chut vo Dme chn phn m rng. Kch vo nt Table. Ko xung dng 37 v kch p chut vo phn tham kho N3035 trong bng(y nt Table hin th bng) (iu kin: chng trnh phi c ci mc Catalog ) Nhn OK

Ejector system H thng y

Bi Qu Tun 4CHaUIKhi bng chnh c hin th li,kch vo biu tng bng thit k cho hc :

Chn mt cu hnh (v d 1319 ) trong hp thoi c hin th.

Kch vo OK cho s la chn ca bn c hiu lc sau lp li bc ny i vi li. Kch chut vo OK lm cho s la chn ca bn i vi ton b c s khun c hiu lc. Phc tho ca c s khun c hin th vi cc mu khc nhau cho mi tm. Kch chut vo OK trong hp thoi "Creat a New Mold" lm cho c s khun c hiu lc ln cui cng. Khun c to xong.

Bi Qu Tun 4CHaUI

3.4

nh v khun

Bc ny ch cho bn cch nh v mt phn t ng cch vi s tham kho khun c bn m bn va to thnh. Chng ta s c mt MoldedPart (Chi tit lm khun) ph hp vi mt Mold(khun). 1. Kch chut vo biu tng Snap 2. Chn h trc MoldedPart. 3. Chn h trc Mold. Bn cng c th s dng biu tng Manipulate 3.5 nh v chi tit bng tay.

Tch li khun v lng khun

Bi Qu Tun 4CHaUIChn lng khun trn cy thuyt minh bng cch kch chut vo CavityPlate trong Injection Side (mt trong) ca khun. M menu contexttual bng cch bm chut phi v chn CavityPlate.1 object -> Split Component .

Trong trng hp ny, CavitySurface (b mt lng khun) c chn l b mt tch bi v mt b mt vi tn nh vy c tm thy trong MoldedPart,nu khng tm thy b mt no vi tn ny (No Selection) bn s phi chn mt t MoldedPart. Vic chia c thc hin t ng trn lng khun .

Bi Qu Tun 4CHaUILm tng t vi li khun bng cch chn t Ejection Side(mt ngoi) trn cy thuyt minh v chia ra qua menu ng cnh

Bi Qu Tun 4CHaUI

Vic tch c thc hin t ng trn li khun . Nu mun c c mt s trnh by tt hn ca vic tch hon ton li khun v lng khun ,hy n chi tit lm khun v mt trong, s dng lnh ng cnh Hide/Show

3.6

Chn cc cht dn hng vo khun

Bi Qu Tun 4CHaUIChn 4 cht dn hng vo cc im c trc. Kch chut vo biu tng Add Leader Pin. S dng phn tm lc(Brower) m nhng ti liu c lin quan v chn phn cung cp thm Dme:

Tip tc xc nh chi tit v cht dn hng vi s la chn di y:

Kch p chut vo phn tham kho m hp thoi xc nh cht dn hng . B lc ch gi ra cc cht dn hng c ng knh ph hp.

Bi Qu Tun 4CHaUIu tin chn im m c th hin l mt ng trn kn ( khng phi du thp) trn khun . Nu nh im c tn l LeaderPini (i = 1 n 4), ba cht dn hng khc m c t ng c t trn cc im khc cng s c tn LeaderPini. to thnh cc hc c lin quan ti cc vt dn,hy t From v To elements tng ng vi ClampingPlate(tm kp) v CavityPlate(tm hc). to thnh cc hc c lin quan ti cc vt dn,hy t From v To elements tng ng vi ClampingPlate (tm kp) v CavityPlate(tm hc). to thnh cc hc c lin quan ti cc vt dn,hy t From v To elements tng ng vi ClampingPlate(tm kp) v CavityPlate(tm hc). Chn hng ngc li Bn nhn c kt qu di y: trong hp thoi Leader Pin.

Kch chut vo OK hon thnh cng vic to ra cc cht dn hng.

Bi Qu Tun 4CHaUI

Nu nh bn cha tho mn vi mt trong cc cht dn hng va to th hy chn n trong cy thuyt minh,sau s dng menu ng cnh Edit LeaderPin hoc Delete Component ca n. 3.7 To cc v tr cng nha

To mt cng phn phi trn khun . t mt trong(Injection Side) vo ch khng bt(Hide) v phi chc chn rng MoldedPart ch bt(Show). Kch chut vo biu tng Add Gate .

Trong Point type chn On Curve v chn PartingLine xung quanh chi tit nh hnh v ( l ng vin chn bao ngoi ca chi tit ).

Bi Qu Tun 4CHaUI

Kch chut vo OK xc nhn v tr ca cng phn phi. Hp thoi xc nh cng phn phi xut hin. Kch chut vo biu tng ti liu m phn tm lc ti liu v kch p chut vo kiu Side,sau chn kiu Round. Cc thng s:

B tr trn Core, kiu cnh trn Side Round vi chiu di L = 1.5 mm v bn knh R = 0.5 mm

Bi Qu Tun 4CHaUIKch chut vo OK to thnh cng phn phi. Ch rng GateBody c thm vo MoldedPart trong cy thuyt minh.

3.8

To cc knh dn nha

To mt rnh dn vt liu trn chi tit khun . Kch p chut vo MoldedPart trong cy thuyt minh. Kch chut vo biu tng Sketcher v chn mt xy trong cy thuyt minh. v chn cng phn

Kch chut vo biu tng Project 3D Elements phi va to ra(hnh vung mu vng). Cng phn phi c chiu xung mt phng xy.

V phc ng chy ca rnh dn vt liu t cng phn phi va mi to ra nh di y:

Bi Qu Tun 4CHaUI

Thot khi mi trng v phc bng biu tng ny p chut vo Product trong cy thuyt minh).

v tr v product (kch

Kch chut vo biu tng Add Runner

(thm rnh dn vt liu).

Hp thoi xc nh rnh dn vt liu xut hin.Chn:

Xc nh rnh dn vo li khun (Core) v lng khun (Cavity). Kiu Round vi bn knh l 1. Layout l phn va v xong.

Bi Qu Tun 4CHaUIKch chut vo OK to thnh rnh dn vt liu. 3.9 To knh lm mt

Kch p chut vo CoreCooling(trong CoreCooling1). [lm mt li] Khi ng ng dng Wireframe and Surface Design to mt im trn mt lm mt (Cooling Plane) bng cch chn On Plane v kch chut vo YZ1 trong cy thuyt minh (di Open body.1). Mt hnh vung nh mu xanh lam hin ra cho php bn di chuyn vng quanh trn mt cho n khi tm thy im tho mn.Kch chut ngng di chuyn hnh vung v n OK xc nhn s la chn ca bn.

By gi hy to ra mt im na trn mt ca mt i din ca CoreCooling.iu ny m bo rng rnh cht lng lm mt s i xuyn qua khun t mt ny sang mt kia. Kch p chut vo Product trn cy thuyt minh tr v Mold Tooling Design. Kch chut vo biu tng Add Coolant Channel lm mt) v chn 2 im va to thnh. ( thm rnh cht lng

Hp thoi xc nh rnh cht lng lm mt v mt l hnh tr xut hin nh hnh v.

Bi Qu Tun 4CHaUI

Kch chut vo OK to ra rnh cht lng lm mt. Cy thuyt minh s nh sau :

3.10 Chn cc cht y sn phm vo khun .

Bi Qu Tun 4CHaUITo ra v t mt cht y sn phm vo khun . Kch chut vo biu tng Add Ejector Pin .

Trong hp thoi tm tt ti liu,chn phn thm Hasco v i vo xc nh c th hn v cht y sn phm nh di y: Kch p chut vo phn tham kho gi ra hp thoi xc nh cht y sn phm. ly b mt di cng EjectorPlateA(tm ngoi A) c d dng hn,hy n SettingPlate(tm di cng) v EjectorPlateB(tm ngoi B). Bt mt y ca EjectorPlateA nh ch ra di y:

Bi Qu Tun 4CHaUIXc nh v tr ca cht y sn phm trn li to (kch p vo mt di ca tm) v xc nh cc tm cn khoan trong hp thoi From Ejector to Core Plate. Kch vo la chn Reverse Direction.

Kch chut vo OK lm cho s to thnh cht y sn phm c hiu lc.Di y l kt qu cui cng:

Bi Qu Tun 4CHaUI

3.11 Lu d liu. To ra mt th mc ni mun ct d liu . Vo File->Save All.

Vo File >Send to >Directory v ch ti th mc va to ra.

Bi Qu Tun 4CHaUI

Kch chut vo mi tn kp hng xung chn tt c cc phn t mun copy.

Bi Qu Tun 4CHaUI

Nhn OK. Tt c cc phn t to thnh khun by gi nm trong th mc MyNewMold.

Bi Qu Tun 4CHaUI

Xy dng mu khun phi tiu chun 1.1.1 Chun b mu khun Chun b mu trc khi lm cc chi tit cn thit lm khun. To mt tp CATPart mi bng cch vo File >New v chn Part trong danh sch . S dng menu ng cnh , sa cc thuc tnh ca chi tit , ti thanh Product v chn Part Number ca n l MoldedPart .

M file trong th mc , v d Tel.CATPart trong Samples. Chn PartBody trn cy thuyt minh v copy n . Chn Part trong gc nhn MoldedPart v s dng chc nng Paste special trong menu ng cnh . Chn AsResultWithLink trong hp thoi v kch chut vo Apply.iu ny m bo rng nu chi tit khun ban u m b sa th chi tit trong MoldedPart cng s c sa.

By gi bn c th thc hin thao tc tng gim t l tnh ton co ngt : Ti workbench PartDesign bng cch vo Start>Mechanical Design>Part Design.

Bi Qu Tun 4CHaUIChn Geometry_of_Phone_Reference_PartBody trn cy thuyt minh v chn Define In Work Object trong menu ng cnh.

Kch chut vo biu tng scaling

.(t l)

Nhp gi tr t l ( v d : 1.03 ) v chn mt xy trn cy nh tham kho v nhn nt OK. Lp li cng vic ny i vi vi mt yz v zx vi cc gi tr t l khc nhau . By gi cn xc nh hng rt khun . Chn View>Render style...>Customize view v tch vo Materials trong hp thoi v nhn OK. Ko h trc ln trn chi tit. Kch chut vo biu tng Draft analysis (phn tch thit k s b) Chi tit trong gc nhn by gi c mu xanh l cy cho bn bit rng bn chn hng rt khun sang phi vi h trc . Hng rt khun s l hng Z. Vo workbench Generative Shape Design vi Start > Shape > Generative Shape Design. Mt Open body (phn v thm) c to ra . Sa cc thuc tnh ca n v t tn cho n l PartingBody.

Bi Qu Tun 4CHaUI

Kch chut vo biu tng Join

.

Chn tt c cc cnh di ca chi tit . Nhn OK trong hp thoi xc nhn li hnh ng. Chn new join trn cy thuyt minh.Parting Line

S dng menu ng cnh m cc thuc tnh ca n v gi n l PartingLine. By gi bn cn in y vo l trn chi tit. Thc hin thao tc Join trn ng cong xung quanh l v nhn OK trong hp thoi .Fill

Kch chut vo biu tng Fill

.(in y)

Chn Join.2 trn cy thuyt minh . Nhn OK trong hp thoi. L c in y. Vic tip theo m bn phi lm l to b mt chi tit. Chn biu tng Sweep Chn nt kiu Line Profile trong hp thoi. Chn With reference surface cho Subtype. Chn PartingLine trn cy thuyt minh cho guide curve(ng cong hng dn ). Chn mt xy trn cy thuyt minh cho Reference surface. Nhp gi tr 20 mm cho Length 1.

Bi Qu Tun 4CHaUIKch chut vo hp thoi Angle kch hot cho nt OK v nt Apply. Nhn OK. S dng menu ng cnh ,thay i tn ca Sweep thnh PartingSurface. Kch chut vo biu tng Extract Chn Tangent continuity cho Propagation type v kch chut vo bt c mt no trong cc mt pha trn trong gc nhn ca hp thoi To Extract. Quay chi tit li v lp li bc ny cho b mt di .

Kch chut vo biu tng Join

.

Chn PartingSurface : Mt Fill v Extract (cc mt th nht ) trn cy thuyt minh. B du tch trong la chn Check connexity. Nhn OK. Chn New Join trn cy . S dng menu ng cnh , chn Properties v i tn thnh CavitySurface. Ta c b mt khun trn Lp li thao tc trn vi parting surface : Mt Fill v Extract (cc mt th hai ) . Gi New join l CoreSurface. Ta c b mt khun di.

Bi Qu Tun 4CHaUI

Cy thuyt minh ca bn s c dng nh sau:

1.1.2 To khun c s phi tiu chun

Bi Qu Tun 4CHaUIKhun c s phi tiu chun l kiu khun c to bi ngi thit k khng theo cc tiu chun mu c sn ca cc nh sn xut m c thit k ty theo tng ngi thit k, da trn cc mu khun tiu chun . Chn Create a new Mold khun v in cc thng s chi tit thnh phn ca

Bi Qu Tun 4CHaUI

Bi Qu Tun 4CHaUI

C th m li hiu chnh cc thng s thnh phn da trn chc nng MoldEdition : Trn cy lnh, chn Mold.1 object> MoldEdition. 1.1.3 Thm vo mt tm khun Chn Add a Mold Plate v la chn dng tm trong mc Configuration Type dng tm cn to, v d : UpperBar, v cc thng s kch thc, v tr ca tm.

Bi Qu Tun 4CHaUI

1.1.4 To cht dn hng

Chn Add a LeadPin

, chn chi tit dn hng c to bi ngi thit LeadPin

k hoc t th vin Catalog ca CATIA : biu tng Dme LeadPin_FSN tn chi tit, (vd : FSN-9-16-26)

Bi Qu Tun 4CHaUIi vi chi tit bc dn hng, bc nh v, cng c la chn tng t nh to cht dn hng : s dng lnh 1.1.5 To Core v Cavity 1.1.5.1 Core & Cavity Design , ,..

Trong mi trng Windows, t mn hnh Desktop chn Start > Mechanical Design > Core & Cavity Design, chn Import Model cn tch mt khun. v chn sn phm

1.1.5.2

Xc nh hng y sn phm , chn cc tham s xc nh

Chn biu tng Defines full Direction hng y chnh: Dx, Dy, Dz

Bi Qu Tun 4CHaUITch vo sn phm xem : mu xanh l cy ch mt Cavity (mt khun trn), mu ch mt Core ( mt khun di ). Cc vng b mt khng nm v hai na khun s c mu xanh l, v ta s phi xc nh cc mt theo hng rt khc ( hng ca Slider ). Direction : Hng ko (hng tho khun) , c th c nh ngha bng cch nhp ta vect ch hng hoc bng cch a 3D Compass vo i tng v iu chnh theo hng Compass Locked : N c th c kha ch mt ln thit lp h thng ta trnh nhng chnh sa khng nh trc c th phi lm khi di chuyn 3D Compass Switch : o chiu ca Cavity v Core Sau khi chn xong hng y, chn OK thc hin tnh ton

C th s dng chc nng Explode View khun.

quan st cc mt tch

Mun hiu chnh li hng y, s dng chc nng Edit Main Pulling Direction, thc hin chnh sa v tin hnh tnh ton li mt phn khun

Bi Qu Tun 4CHaUI1.1.5.3 Xc nh hng y ca Slider (trt bn)

Slide l cc hng trt to ra cc bin dng b mt khng nm trn mt Cavity hoc Core ( gy ra cc gc Undercut, l cc gc cht m khng rt khun ra theo hng chnh l hng ca Cavity v Core c ). Vic to cc b mt Silder gip cho sn phm ly ra c d dng v khng b bin dng. Chn biu tng Defines Slide Lift Direction , sau t 3D Compass vo mt cn chn ca chi tit c ch n hng : y l b mt l hoc mt hc xc nh hng trt ca Slider ( Switch o hng ) Tch vo b mt cn chn v chn OK.

1.1.5.4

Di chuyn b mt vo cc mt khun

Khi thc hin tch mt phn khun, s c trng hp cc b mt c chn khng ng vi hng tch khun, mt cha c xc nh hng tch hoc thc hin chuyn mt s b mt ca Cavity hoc Core v thnh mt ca Slider. Khi , chc nng Transfer Element ny. Chn Transfer Element Chn b mt ch Destination : l b mt m i tng s c chuyn ti Chn b mt cn di chuyn Source cho php ta thc hin c iu

Bi Qu Tun 4CHaUIChn kiu Move / Copy thc hin di chuyn hoc sao chp b mt. Cng th thc hin vic chuyn mt bng chc nng chn chut phi ln mi b mt cn chuyn trn cy qun l v chn nhm mt khun cn chuyn ti. Chn Ok hon tt vic chuyn mt

1.1.5.5

To cc mt phn khun Parting Surfaces

Sau khi to xong cc mt phn khun chnh ca sn phm (trn chi tit) , vic tip theo l to cc mt trung gian cho cc lp ghp ca cc na khun (cng l mt phn khun ). Thc hin n ton b cc mt Cavity, Core, Slider ( nu c ). To mt hnh ch nht trn Sketcher bao ly chi tit

Tch chut chn Parting Surfaces , s dng cc lnh to b mt chia cc mt bin dng ngoi vo cc phn b mt phn khun khc nhau. Khi chi tit c chn, tt c cc v tr bin ngoi ca b mt s c hin th cc chm trng. Chn cc im to b mt. Sau khi chn xong, tch chn Complementary trn hp thoi Parting Surfaces Definition hon thnh to b mt v chuyn sang chn cc b mt tip theo. Gi th chn mt cnh ca Sketch c to trc. Cnh ny s xc nh hng ko v chiu di ko ca b mt Parting Surfaces . Profile Definition v Direction Definition s c Reset sn sng to cc Parting Surfaces tip theo.

Bi Qu Tun 4CHaUI

Hng ko ca b mt gm : v tr ca Sketch trn mt phng v hng php tuyn ti cnh c chn Tip tc thc hin vi cc b mt tip theo,

Bi Qu Tun 4CHaUI

1.1.5.6

To cc na khun Cavity v Core

Trc khi thc hin chia cc na khun theo cc mt phn khun, nn c thm bc ni cc b mt li thnh mt b mt bng lnh Joint : chn cc b mt cn Joint l PartingSurface, Fill, CavitySurfaces, , b du tch la chn Check Connexity v chn OK. Lm tng t i vi cc b mt phn khun khc : CoreSurfaces, SliderSurfaces,

Chn tm cn chia trn cy qun l , vid CavityPlate , tch chut phi vo CavityPlate v chn CavityPlate.1 Oject Split Component . Hp thoi Split Definition xut hin cho php thc hin la chn cc nhm b mt; chn CavitySurfaces (thng thng, chng trnh s t ng chn trc cho bn). Chn OK thc hin to tm khun.

Bi Qu Tun 4CHaUI

Thc hin tng t vi CorePlate, Slider ,

Phn ca phn t c gi li sau thao tc chia ph thuc vo khun v phn t. La chn phng hin th trong hp thoi Split Definition hin th cc mi tn ch bo mt no ca phn t c gi li. 1.1.6 To Slider Chn Add a new Slider tham s to Slider , , xc nh hng trt ca Silder trong khun, cc

Bi Qu Tun 4CHaUI

1.1.7 To cc cng nha V tr phun ca nha s quyt nh cht lng ca sn phm nh : kh nng in y, cong vnh, Weldline, r kh, Tch chn AddGate chn im t cng nha c xc nh trn chi tit (hoc nhp ta im ) v chn OK

Bi Qu Tun 4CHaUI

Chn phn khun c t knh nha l Cavity(khun trn ) hoc Core (khun di). C th la chn kiu cng phun ty theo ngi thit k bng cch chn :

Mt s kiu cng nha mu cho trc :

Bi Qu Tun 4CHaUI

Bi Qu Tun 4CHaUI

Tip theo, to cc knh dn nha : + To ng dn nha trn Sketcher : im bt u, im kt thc im chiu. Sketcher phi nm song song vi mt phng XY+

Tch chn Add Runner

v chn cc thng s thch hp

1.1.8 To cc knh lm mt Nhim v ca cc knh lm mt l lm sao nhit trong khun lun nhng trng thi mc yu , khng gy ra cho sn phm cc li v co ngt, cong vng, . Do , b tr knh lm mt thch hp cng ng vai tr rt quan trng trong thit k khun

Bi Qu Tun 4CHaUI