gt solidcam.pdf

TRUNG TM CNG NGH ADVANCE CAD

1

Nu bn cha tm thy file thc hnh c th ly t link sau:

http://tinhviet.edu.vn/?p=4278

Bi tp 2: Cover Machining

Trong bi tp ny, s dng CAM-

Part c xc nh trong bi tp

1. Bn phi xc nh cc hot

ng 2.5D gia cng cc mt,

hc v l.

Trong qu trnh nh ngha hot

ng, bn phi xc nh hnh gia

cng, cc thng s dao v cng

ngh.

1. M CAM-Part

Trong menu, chn SolidCAM > Open, hoc click Open trn thanh cng c SolidCAM

Part.


2

Trong ca s trnh duyt, chn Exercise1 the CAM-Part c chun b trong bi tp

trc. CAM-Part c ti.


3

2. Thm chu trnh phay mt Face Milling

Trong SolidCAM Manager, nhp chut phi vo tiu Operations v chn Face t

Add Milling Operation submenu.

Hp thoi Face Milling Operation hin th.


4

Trong hot ng ny, mt bn trn c gia cng.

3. Xc nh hnh hc Face Milling


5

Click nt New button ( ) trong trang Geometry. Hp thoi Face

Milling Geometry hin th.

Phn Type cho php bn xc nh hnh phay mt bng cch s dng cc

phng php sau:


6

Model

Ty chn ny to 1 hnh ch nht nm trn mt phng XY v bao quanh m hnh mc

tiu v chn n cho hnh Face Milling. Chui hnh ch nht hin th trong phn Chain

List.

Faces

Ty chn ny cho php bn xc nh hnh Face Milling bi ty chn Face. Nt Define to

related box cho php bn xc nh cc hnh mt mi vi hp thoi Select Faces hoc

chn hnh c xc nh t danh sch. Khi cc mt m hnh c chn, SolidCAM s

to chui ng quanh cc mt c chn. Cc chui ny hin th trong phn Chain

List.


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Tit din

Ty chn ny cho php bn xc nh hnh Face Milling bi 1 tit din. Nt Define v

lin quan cho php bn xc nh hnh tit din mi vi hp thoi Geometry Edit hoc

chn 1 hnh c xc nh trc t danh sch. Cc chui c chn hin th trong

phn Chain List.


8

Trong phn Type, s dng ty chn mc nh Model i vi nh ngha hnh Face

Milling. Click nt Define. Hp thoi 3D Geometry xut hin.


9

Hp thoi ny xc nh hnh 3D Model bng cch chn cc loi yu t m

hnh:

Solid ch c cc i tng khi c chn;

Surfaces ch cc b mt c chn;

Both c b mt v phi c chn. Nt CAD cho php

chn hnh 3D vi cc cng c SolidWorks.

C th chn 1 i tng bng cch nhn vo n. Khi i

tng c chn, biu tng ca n s hin th trong danh

sch y hp thoi. b chn i tng, click vo n

ln na hoc nhp chut phi vo danh sch cc yu t

c chn v chn Unselect t menu. loi b la chn

khi tt c cc i tng trong danh sch, click Unselect all.


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Click vo m

hnh phi chn n. M

hnh c t m v biu

tng ca n xut hin

trong danh sch. Xc nhn

hp thoi 3D Geometry

bng cch nhn .

Hp thoi Face Milling

Geometry xut hin ln

na. Hnh ch nht c

to quanh m hnh mc

tiu ti mt phng XY.

Xcnhn hp thoi Face

Milling Geometry bng cch nhn . Hnh c xc nh cho hot ng.

4. Xc nh dao

Chuyn sang trang Tool ca hp thoi Face Milling Operation. Bt u nh ngha dao

bng cch nhn nt Select.


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Hp thoi Choosing tool for operation vi Part Tool Table hin th.


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Part Tool Table cha tt c dao c sn gia cng 1 chi tit CAM-Part c

th. Part Tool Table c lu trong CAM-Part. Hp thoi ny cho php bn iu chnh

cc dao nm trong Part Tool Table.

Hin ti, Part Tool Table trng. Hy xc nh 1 dao mi ph hp vi vic

phay mt. Click nt Add Milling Tool ( ) bt u nh ngha dao. Bng iu

khin mi cha cc dao c sn hin th.


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Hp thoi ny cho php bn thm dao mi vo th vin dao chn t cc dao c sn

cho hot ng hin hnh. Trong hot ng ny, vic phay mt 100 c s dng

Face mill

Loi dao ny c s dng gia cng cc b mt phng ln. 1 dao ca loi ny

c xc nh vi cc thng s hin th trong hnh.


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Chn Face mill tool.

Trong bng iu khin mi, xc nh cc thng s sau:

thit lp Diameter l 100

thit lp Arbor Diameter l 80

Click nt Select xc nhn cc thng s sao v chn dao cho hot ng.


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5. Xc nh chiu su gia cng


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Chuyn sang trang

Levels ca hp thoi

Face Milling

Operation. Click nt

Face depth trong

vng Milling levels.

Nt ny cho php bn

xc nh Operation

Lower level trc tip

trn m hnh phi.

su c tnh ton t

ng nh s khc

bit gia cc gi tr Z

ca Upper and Lower

levels.

Hp thoi Pick Lower level s hin th.


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Chn mt m hnh.

Gi tr lower level (0) c xc nh v hin th hp thoi Pick Lower level.

Xc nhn hp thoi vi .

Gi tr Face depth hin th trong

Milling levels area. Nn mu hng

ca chnh sa ngha rng thng s

tng ng vi m hnh. Tnh lin

kt cho php mc c chn

phi c ng b vi nhng thay

i m hnh phi; SolidCAM t ng

cp nht d liu CAM khi m hnh c chnh sa.

6. Xc nh cc thng s cng ngh

Chuyn sang trang Technology ca hp thoi Face Milling Operation. Trong phn

Technology, chn ty chn One Pass.


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Pass- cc lp ct


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SolidCAM thc hin qu trnh phay mt

trong mt lt ct. Hng v v tr ca cc

lt ct c tnh ton t ng theo hnh

dng mt, to ra di chuyn dao ti u

vi dao bao gm c hnh hc.

Chn ty chn One pass t ng m tab

One pass cho php bn xc nh cc

thng s gia cng. Hatch cho php bn

xc nh gc gia ng chy dao v

hnh hc.

Phn Hatch angle cho php xc nh gc

gia ng chy dao v hnh.

Phn Extension cho php bn xc nh phn

m rng ng chy dao qua cc mp mt.

phn m rng c xc nh bi phn trm

ng knh (% ca ng knh dao) hoc

bi gi tr (ty chn Value).


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7. Lu v tnh ton

Click nt Save & Calculate ( ).

Hot ng Face Milling c lu, v ng chy dao c tnh ton.

8. M phng

Click nt Simulate ( )

trn hp thoi Face Milling

Operation. Bng iu khin

Simulation control hin th.

Chuyn sang trang SolidVerify

v bt u m phng vi nt

.

Cc m hnh phi dc xc nh trong bi tp 1 c s dng trong ch

m phng SolidVerify. Trong qu trnh m phng gia cng, SolidCAM tr cc chuyn

dch dao (s dng hot ng Solid Boolean) t m hnh khi ca phi. Cc phi gia

cng cn li l mt m hnh khi c th c t ng thu nh. N cng c th c so

snh vi m hnh gia cng hin th cc vt liu cn st li.

Trong qu trnh m phng, bn c th quay , di chuyn , hoc thu nh m

hnh . S dng cc ty chn xem cc vng gia cng chi tit. Ch Single


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step c th c s dng m phng di chuyn dao tip theo bng cch nhn vo

nt hoc bng cch s dng space bar trn bn phm.

ng m phng vi nt . Hp thoi Face Milling Operation s hin th. ng hp

thoi ny vi nt Exit ( ).

9. Thm hot ng

Nhp chut phi vo

hot ng Face Milling

trong SolidCAM

Manager v chn

Profile t Add Milling

Operation submenu.

Hp thoi Profile

Operation s hin th.

Trong hot ng ny,

tit din bn ngoi c gia cng.

10. Xc nh hnh hc


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Bc nh ngha u tin ca mi hot ng l la chn

hnh hc. gai on ny, bn phi xc nh hnh hc

cho hot ng Profile bng cch s dng hnh m hnh

khi.

Click trong trang Geometry ca hp thoi Profile

Operation.

Hp thoi Geometry Edit hin th trong vng SolidWorks

PropertyManager. Hp thoi ny cho php bn thm v

chnh sa chui hnh. Khi hp thoi ny hin th, bn c th

chn cc i tng m hnh khi cho nh ngha Geometry.


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Cc ty chn Chain Selection

Bn c th xc nh hnh bng cch chn cc

phn phc tho mp v im trn bin dng. Cc

ty chn sau c sn:

Curve

Ty chn ny cho php to chui cc ng cong

v mp c sn bng cch chn tng ci mt.

Tnh lin kt: SolidCAM kt hp vi 1 cnh hoc i tng phc tho. Bt k thay i

no i vi m hnh hoc bn phc tho s t ng cp nht hnh c chn.

Curve + Close corners

Ty chn ny cho php bn ng cc khe h gia cc i tng chui khng k cc

gi tr Gap minimum v Gap maximum (c xc nh trong phn Units ca SolidCAM

Settings) bng vic m rng cc i tng ti ch giao gia chng.


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Cc Splines v cung c m rng bi cc ng thng tip xc vi cung/spline ti

im cui.

Tnh lin kt: Khi m hnh c s dng cho nh ngha hnh hc c chnh sa,

SolidCAM cho php bn ng b ha hnh vi m hnh c cp nht. trong qu trnh

ng b ha, SolidCAM s xc nh vng h c to bng cch s dng ty chn

Curve + Close Corners v ti to phn m rng ca cc ng thnh phn bt l.

Loop

Ty chn ny cho php chn 1 vng lp bng cch nhn vo 1 mp m hnh.


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1. Chn 1 mp c chia s bi 2 mt m hnh. 2 mt cha mp c xc

nh v cc vng lp c t m. Vng lp c xc nh u tin c xem xt l

vng lp gc v c mu vng. Vng lp th 2 c mu xanh dng.

2. Chn 1 vng lp. Click vo 1 mp khc to mt. Bn s c nhc nhn chui

c t mu vng. Nhn nt Yes: 1 chui hnh khp kn c xc nh trn vng lp

ny, v vng lp th 2 b loi b.

Tnh lin kt: SolidCAM gi Tnh lin kt vi mp hoc i tng phc tho. Bt k

thay i no vi m hnh t ng cp nht hnh c chn.

Point to point

Ty chn ny cho php bn kt ni cc im xc nh, cc im ny c kt ni bi 1

ng thng.


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Tnh lin kt: SolidCAM khng lin kt vi im c chn. SolidCAM lu ta X-,

Y- v Z- ca cc im c chn. bt k thay i no c to t m hnh hoc bn

phc tho s khng cp nht hnh c chn.

Bn khng th chn 1 im khng nm trn 1 i tng SolidWorks (nu bn

cn chn im ), thm b mt phng di m hnh v chn cc im trn b mt).

Cc quy tc sau p dng cho ng thng thc s bng cch s dng ty chn Point

to point:

khi bn chn 1 ng thng thc s gia 2 cnh bin. ng thng ny ging nh 1

l xo. Bt c khi no m hnh thay i v ng b ha, hnh hc c cp nht vi m

hnh.

Khi bn chn 1 chui ng thng, ch c cc im c kt ni vi cc cnh bin

m hnh v yu t phc tho c cp nht, nhng tt c cc im vn c nh to v

tr X, Y, Z c xc nh.

Arc by points


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Ty chn ny cho php to 1 phn chui trn 1 cung n 1 im xc nh trn 1 cung.

Tnh lin kt: SolidCAM khng lin kt vi cc cung, im c chn. SolidCAM lu

ta X-, Y-, Z- ca cc im c chn. Bt k thay i no c to vi m hnh

hoc bn phc tho khng cp nht hnh c chn.

Cc ty chn Automatic selection

SolidCAM t ng xc nh i tng chui v ng bin dng chui. Ch Auto

select a ra cc ty chn sau:

Auto-to

Chui ny c chn bng cch xc nh ng cong bt

u, hng ca chui v yu t m chui c to.

SolidCAM cho php bn chn mp m hnh, nh hoc i

tng phc tho xc nh chui cui.

Khi mc cui c chn, SolidCAM s xc nh chui da

vo cc quy lut ca ch c chn (Auto-general,

Auto-constant Z hoc Auto-Delta Z). Kt thc la chn

chui khi ti mc cui c chn.


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Nu khng ti mc cui c chn bi chui ng, nh ngha chui s kt thc khi

ti phn chui u tin. Chui s t ng ng li.

Thng bo xc nhn hin th.

Ty chn Auto-to rt hu ch nu bn khng mun xc nh 1 chui khp kn,

nhng m 1 chui cho 1 yu t c th.

Auto-general

SolidCAM t m tt c cc i tng kt ni vi i tng chui cui cng. Bn phi

chn i tng theo loi chui m bn mun tip tc lm vic.


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Auto-constant Z

Ty chn ny ch xc nh cc i tng trn cng mt phng XY vi i tng chui

c chn trc . Bn c nhc xc nh yu t chui k tip khi 2 i tng trn

cng Z-level kt ni vi chui. Dung sai h thng cho ty chn ny c thit lp trong

SolidCAM Settings.

Auto-Delta Z

Khi chn ty chn ny, bn c yu cu nhp gi tr chnh lch m v dng 1

positive v negative Z-deviation vo hp thoi Delta-Z . Ch cc i tng trong dy

c xc nh nh i tng k tip ca chui.


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Trong bi tp ny, hnh hc phi c xc nh nh hnh. Du mi tn mu

th hin hng ca hnh hc.

Trong hot ng SolidCAM, hng hnh chui c s dng cho vic tnh

ton ng chy dao. Trong Profle milling, Dao di chuyn theo hng mc nh ca

hnh. Trong bi tp ny, s kt hp ca hng v hng ngc li ca vng quay dao

cho php bn thc hin phay thun.

Khi chn i tng chui u tin trn m hnh, SolidCAM xc nh im bt u ca

i tng c chn gn nht vi v tr c chn. Hng ca i tng chui u

tin c chn c xc nh t ng t im bt u cho v tr c chn.

Tool revolution direction: hng vng quay dao

Tool movement direction: hng dch chuyn dao

Geometry direction: hng ca hnh hc


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Chn ty chn Loop trong phn Chain v click vo mp m hnh nh sau.

Lu rng v tr

c chn phi gn vi

im bt u ca hnh.


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2 mt c chia s b mp c xc nh v cc vng lp c t m.

Mi tn mu th hin hng chui c chn.

Click vo chui th 2 c t m vi mu xanh dng

chn n cho nh ngha hnh hc.

Thng bo xc nhn hin th. Xc nhn n vi nt Yes.

Chui c chn c mu v chui th 2 b loi.

Biu tng Chain hin th trong phn Chain List.


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giai on ny, hnh hc c xc nh. Xc nhn la chn hnh hc vi Hp

thoi Profile Operation hin th.

11. Xc nh dao

giai on ny, bn phi xc nh dao cho Profle

milling.

Chuyn sang trang Tool ca hp thoi Profile

Operation v click nt Select.

Part Tool Table vi dao c chn, hot ng trc

xut hin.


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Click Add Milling Tool ( ) bt u nh ngoi dao. Trong hot ng Profile, 1

End mill 16 c s dng.

End Mill/Bull Nose Mill/Ball Nose Mill ( dao phay ngn, phay cung v dao

cu)

Loi dao ny c s dng cho nh ngha phay gia cng tinh/th. Cc hnh dng dao

v cc thng s c bn hin th nh sau:


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Click End Mill tool chn n cho chu trnh. Trong phn Tool parameter, di

Topology, thit lp gi tr Diameter l 16.


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Click nt Select xc nhn cc thng s dao v chn dao cho chu trnh gia cng.

12. Xc nh cc thng s Feed v Spin

Chuyn sang Data tab trong phn Tool ca hp thoi Profile

Operation.

Thit lp Spin rate (c s dng trong phay th) l 6000. Gi

tr Spin finish (c s dng trong pahy tinh) c thit lp t

ng l 6000.

kim Spin finish cho php bn xc nh cc gi tr khc nhau cho Spin rate

and Spin finish. Khi tick chn, chnh sa tng ng xut hin bn c th

chnh sa gi tr. Khi chn kim ny, gi tr Spin rate c s dng cho c gia

cng tinh v th.


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Thit lp Feed XY (t l tin dao cho dch chuyn XY) l

1500 v Feed Z (t l tin dao cho dch chuyn Z) l 250.

Tick chn kim gn thng s Feed finish (t l tin dao

cho phay tinh) v t gi tr 1800.

kim Feed finish cho php bn xc nh cc gi

tr khc nhau cho Feed XY v Feed finish. Khi tick chn, chnh sa tng ng xut

hin bn c th chnh sa gi tr. Khi chn kim ny, gi tr Feed XYc s dng

cho c gia cng tinh v th.

13. xc nh Milling levels

Chuyn sang trang Levels ca hp thoi Profile Operation.

SolidCAM cho php xc nh mc phay bng cch s dng d liu khi.

Upper Level

Thng s ny xc nh Z-level m gia cng bt

u.

Profile Depth

Thng s ny xc nh Z-level di dao khng

c phay.

Mt phng ny khng th thm nhp trong bt

k chu trnh phay no.


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Click nt Upper level trong vng Milling levels. Hp thoi Pick Upper level

xut hin.

Chn mt m hnh nh sau.

Gi tr Upper Level (0) c xc nh v hin th trong hp thoi Pick Upper level. Xc

nhn hp thoi ny bng cch nhn

Click nt Profile depth trong vng Milling levels. Xut hin hp thoi Pick Lower level.

Chn mp di cng ca m hnh nh sau:

Gi tr Lower level (-10) c xc nh v hin th trong hp thoi Pick Lower level. Xc

nhn hp thoi vi


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By gi bn cn xc nh su Delta.

Thng s Delta depth xc nh offset cho su ct c thay i vi tnh

lin kt c gi li. Gi tr Delta lun lin kt vi Profile Depth c xc

nh cho hot ng.

Thit lp gi tr Delta l -1.

Mc phay c xc nh.

14. xc nh cc thng s k thut

Chuyn sang trang Technology ca hp thoi Profile Operation.


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u tin bn cn chc rng v tr dao lin quan n hnh l chnh xc. Trong phn

Modify, chn ty chn Tool side.

Modify

Ty chn Tool side cho pho xc nh vt r dao lin quan n hnh.

Right dao ct cnh phi ca hnh tit din.

Left dao ct cnh tri ca hnh tit din.

Center tm dao di chuyn ln hnh tit din (phng pho b G4x c th c s

dng vi ty chn ny).


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Nt Geometry hin th hp thoi Modify Geometry cho php bn xc nh thng s

chnh sa ca hnh hc v chn chui hot ng (trong trng hp nhiu hnh chui).

Hnh chui ca tit din hin th trn m hnh vi hng chui th hin v 1 ng trn

th hin dao lin quan ti hnh hc.

Trong trng hp ny, ty chn Left mc nh p

ng yu cu ca climb milling. Click nt Geometry

chn v tr dao.

V tr dao chnh xc. Click trong hp thoi

Modify Geometry. Hp thoi Profile Operation

hin th ln na.

SolidCAM cho php bn thc hin gia cng tinh

v th ca tit din trong hot ng Profile.

Xc nh cc thng s ca Profle roughing. Tick chn Rough. Xc nh thng s Step

down qua gia cng th.

Step down

Gia cng th tit din c thc hin trong

constant Z-passes. Thng s Step down

Xc nh khong cch gia 2 Z-levels.

Lower Level

Upper level

su tit din

Thit lp Step down l 5. Vi gi tr ny, SolidCAM thc hin 2 ng ct ti Z-levels:

-5, -10; ng ct cui c thc hin ti Z-level c xc nh bi Profile depth.

Nu cn xc nh wall offset s duy tr sau lt ct th.


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Offsets

Cc thng s Wall offset v Floor offset cho php bn xc nh lng d trn tng v

nn ca chi tit gia cng n khi gia cng tinh profile. cc dung sai ny c loi b vi

lt ct th trong hot ng Profile tng t hoc trong hot ng Profile b sung vi

dao khc.

Trong mc Offsets, thit lp Wall offset l 0.5. lng

d l 0.5 mm s bn tri bc tng ca m hnh

trong khi gia cng th. Lng d ny b loi b vi 1

ng ct tinh sau .

Chn kim Finish thc hin gia cng tinh tit din.

15. Xc nh ng vo dao v ra dao.


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Chuyn sang trang Link ca hp thoi Profile Operation.

Trang ny cho php bn xc nh cch m dao tip cn tit din v rt ra khi.

ng vo/ra dao tit din

Dch chuyn vo dao cn ngn chn vic nhp dao dc vo vt liu. vi chu

trnh ng vo dao, dao gim xung level gia cng bn ngoi vt liu v thm nhp

ngang vo vt liu vi dch chuyn vo dao. Chu trnh ra dao cho php bn thc hin

dch chuyn rt dao bn ngoi vt liu. Cc ty chn sau c sn:

None

Dao vo v ra t level phay gn k vi im vo dao ca profile.

Normal

Dao vo v ra t 1 im chun cho profile. di ca ng

vo/ra dao chun c th c thit lp trong min Normal

length. Khong cch gia normal v vt liu c thit lp

trong min Tangent extension.


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Arc

Dao vo v ra t profile vi cung tip xc. Bn knh cung c

thit lp trong min Radius. Chiu di ca phn m rng c th

c thit lp trong min Tangent extension. Gc cung c

thit lp trong Arc angle.

Tangent

ng vo/ra dao trn 1 ng thng tip xc vi profile.

chiu di ca ng tip xc c th c thit lp trong min

Length. Khong cch vi vt liu c thit lp trong min

Tangent extension.

Point

Dao ra/vo t v tr c ngi dng xc nh. T v tr ny,

dao dch chuyn trn 1 ng thng ti im vo dao ca

profile. Khi chn ty chn ny, nt Pick c kch hot bn

c th chn 1 hng trc tip trn khi. Khong cch gia

im v vt liu c thit lp trong min Tangent extension.

User-defined

Dao ra/vo t v tr c ngi dng xc nh. Khi chn ty chn ny, bn c th xc

nh ng i ca dao tip cn vt liu.

Khi chn kim Same as Lead, chu trnh v thng

s c xc nh cho ng vo dao c s

dng cho ng ra dao. Di Lead in, chn ty

chn Arc t danh sch, sau thit lp gi tr

Tangent extension l 5 v Radius l 2.

Di Lead out, chn kim Same as Lead. nh

ngha ca cc thng s k thut c bn ca phay

profile hon tt.

16. Tnh ton ng chy dao

Click nt Save & Calculate. D liu hot ng Profile c lu, v ng chy dao

c tnh ton.

17. M phng hot ng


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Click nt Simulate trong hp thoi Profile Operation. Bng

iu khin Simulation hin th. Chuyn sang trang

SolidVerify v bt u m phng vi nt Play .

Khi m phng hon tt, chy tng bc bng cch s

dng nt .

Chuyn sang ch Host CAD simulation v nhn nt Play

Ch Host CAD simulation cho php hin th ng chy dao trc tip trn

m hnh trong ca s SolidWorks. Khi tt c ty chn View ca SolidWorks hot ng


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trong khi m phng, bn c th thy ng chy dao t hnh nh trn 1 vng c th

ca m hnh. ng m phng vi nt Exit . Hp thoi Profile Operation hin th.

18. Thm hot ng Pocket

Pocket operation c s dng cho gia cng to hc

bn trong. Trn thanh cng c SolidCAM Operations,

click 2.5D > Pocket.

Hp thoi Pocket Operation hin th.


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19. Xc nh hnh

Hnh hc cho hot ng Pocket operation c th hin bi chui khp kn. Trong bi

tp ny, bn phi xc nh 1 chui bng cch s dng cc mp khi. Click nt

trong trang Geometry bt u nh ngha hnh.

Hp thoi Geometry Edit s hin th. Bng cch s dng ty chn Loop, xc nh chui

nh sau.

Xc nhn nh ngha bng cch nhn .

Hp thoi Pocket Operation xut hin.

20. Xc nh dao

Vo trang Tool v click nt Select. Part Tool Table hin th.

Click bt u nh ngha dao. Bng Milling Tools hin th.

Trong hot ng Profile, End mill l 8 c s dng.

Chn End mill tool cho chu trnh. Trong trang Topology, thit lp gi tr Diameter l 8.


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Click Select xc nhn cc thng s dao v chn dao cho chu trnh.

21. Xc nh Milling levels

Vo trang Levels ca hp thoi Pocket Operation v

xc nh level trn v di ca gia cng trc tip

trong m hnh khi.

Xc nh Upper level nh hnh. Gi tr Upper level

(0) c xc nh.

Xc nh su hc bng cch nhn vo mt y

hc nh hnh. Gi tr Pocket depth (8) c xc

nh.


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Thit lp gi tr Step down l 4 thc hin gia cng hc trong 2 bc.

22. Xc nh cc thng s k thut

Vo trang Technology ca hp thoi Pocket

Operation. Trong mc Offsets, thit lp gi tr Wall

offset v Floor offset l 0.2. Cc offsets ny khng

c gia cng trong khi gia cng th v b loi b

vi gia cng tinh.

Trong vng Finish, tick chn Wall v Floor. Cc ty

chn cho php bn thc hin gia cng tinh ca

Wall offset v Floor offset cn li sau khi gia cng

th.

Xc nh chu trnh gia cng. Hy chc rng ty

chn mc nh Contour c chn trong mc

Technology. Khi chu trnh Contour c chn, dao

s di chuyn trn offsets song song vi bin dng

hc.


50

Vo Contour tab hin th cc thng s Contour. Trang ny cho php bn xc nh

cc thng s ca chu trnh Contour.

Cc thng s Contour

Bt u t

Inside


51

Ty chn ny cho php bn lm vic trong vng hc bt u t gia hc v ct v pha

ng bin bn ngoi ca hc.

Outside

Ty chn ny cho php bn lm vic trong vng hc bt u t ng bin bn ngoi

v ct vo gia hc.

Corner

None

To ng chy dao vi cc gc nhn gia 1 hng v

hng k tip.

Fillet

Ty chn ny kt ni mi hng vi bn knh cho php i vi

dch chuyn mt hn. Ty chn Min. corner radius cho php

xc nh gi tr ti thiu ca bn knh gc.

Nu bn knh qu ln cho 1 gc c th, n s to 1

bn knh ln nht c th ti im . Thnh thong ty chn Fillet c th li 1 vt liu

no . iu ny c bit xy ra nu bn knh ln.

Loop

Ty chn ny m bo rng cc im kt ni trn ng dn

c lm sch bng cch s dng di chuyn mt. ng chy

dao ny to 1 vng lp trong gc, ngn chn thay i hng t

ngt.


52

Sharp

Ty chn ny m bo rng vic s dng 1 di chuyn ngn v

n gin s lm sch cc im kt ni trn ng dn. Mc d

iu ny to ra 1 di chuyn nhanh bi dao, ng dn s ngn

hn 1 cht so vi ty chn gc mt. iu ny gip gim thi

gian gia cng.

Ty chn ny khng nn s dng vi tc ct cao.

Direction

Ty chn ny cho php chn climb hoc conventional milling i vi chu trnh gia cng

th.

Climb milling Conventional milling

Adjacent passes connection

Ty chn ny cho php chn phng php di chuyn dao trong hc t

1 ng chy dao qua ti ng chy dao khc.

Linear

Dao thc hin tip cn t 1 ng chy dao ti ng chy dao tip

theo.


53

Rounded

Dao thc hin dch chuyn cung t 1 ng chy dao ti ng

chy dao tip theo. Cc im kt ni c t trn 1 ng

thng, vung gc vi ng chy dao.

Smooth

Dao thc hin dch chuyn cung t 1 ng chy dao ti ng

chy dao tip theo. Cc im kt ni khng nm trn 1 ng

thng to 1 gc vi ng thng chun cho ng chy dao.

Exit material

Ty chn ny iu khin dch chuyn dao gia cc vng lm vic.

Khng tick chn Exit material

Khi dao di chuyn t 1 vng lm vic ti

vng lm vic khc, n di chuyn qua

vt liu y quanh island ti vng

lm vic tip theo nh hnh trn.

Tick chn Exit material

Dao thot vt liu v di chuyn nhanh

chng trn vt liu ti vng lm vic tip

theo nh hnh trn. ng vo dao

c xc nh.


54

Connect islands

Ty chn ny cho php gi li hng ct tng t

(conventional hoc climb milling) qua ton b

ng chy dao. iu ny c bit quan trong

trong ng ct tc cao.

Chu trnh ny c thc hin vi cc thng s

Contour mc nh.

23. Xc nh chu trnh Ramping

Vo trang Link ca hp thoi Pocket Operation. Xc nh chu trnh vi loi dao di vo

vt liu trong khi gia cng th hc.

Cc chu trnh Ramping c sn cho gia cng th hc.

None

Dao nhp vt liu dc ti im vo hc c chn t ng bi gii thut SolidCAM

pocket.

Vertical

Dao nhp vt liu dc ti v tr c ngi dng xc nh. T v tr ny, dao di chuyn

ti im vo hc c tnh ton bi gii thut hc. Click nt Data xc nh v tr m

dao di vo vt liu.

Angle


55

Dao di chuyn vo im vo hc ti gc ramp xc nh. im vo hc c chn bng

cch s dng nt Data. Nhp gc ramping vo Angle edit ca hp thoi Angle

ramping.

SolidCAM khng chn dch chuyn ramping i ngc vi bin dng hc. Kim tra m

phng ng chy dao chc rng dao khng c tng hoc islands ca hc.

Helical

Dao gim t khong cch an ton trn Upper level cho vt liu trong dch chuyn

ng trn n khi ti gim p bng cch s dng bn knh c ngi dng xc

nh. Khi dao chm n Level di, n s gia cng tt c vt liu ti level di. Click

nt Data thit lp thng s helical ramping.

Linear

Linear ramping theo cc quy lut sau nh Helical ramping.

S khc bit l thc hin s gim theo ng zigzag tuyn tnh ch khng phi theo

hnh trn.

Chn ty chn Helical v click Data.

Hp thoi Helical ramping hin th. Hp thoi ny cho php bn xc nh v tr ramp v

cc thng s lin quan cho mi chui c s dng trong chu trnh Pocket.

Helical Ramping Parameters

Thng s Tool step down xc nh khong cch gia 2 ln di chuyn dao xon c lin

k. Thng s Angle xc nh gc ramping. Thng s Radius xc nh bn knh ca hnh

xon c gim.

Center cutting


56

Nu dao ca bn c kh nng ct tm, tick chn Center

cutting. Trong min Angle, nhp gc gim. Trong min

Radius, nhp bn knh ca ng chy dao xon c.

Th t lm vic:

dao gim t khong cch an ton trn Upper level ti vt

liu trong dch chuyn trn n khi ti gim p bng cch

s dng bn knh c ngi dng s dng.

khi dao ti level di, n s gia cng tt c vt liu ti

level di.

khi hon tt gia cng ti su ny, dao s vo

Clearance level.( mt an ton)

ti giai on ny, dao s nh v li chnh n ti khong

cch Z an ton trn level di trc v lp li Helical

Lead su lm vic tip theo.

qu trnh ny t lp li n khi su cui c gia

cng.

Nu dao khng c kh nng ct tm, ng chn Center

cutting. Trong min Tool step down, nhp su ca gim

p ca dao. Kt qu ca chu trnh tng t nh vi dao ct

tm cho nhng khc bit sau:

dao gim t khong cch an ton trn Upper level cho vt

liu trong dch chuyn trn cho bc xung dao.

giai on ny, dao xa 1 ng dn trn. Sau n i

tip lp ct tip theo.

iu ny s lp li n khi dao ti level di CAM-Part.

khi dao ti level di, n s gia cng tt c vt liu trn level di.

khi gia cng hon tt su ny, dao i ln ti Clearance level.

giai on ny, dao t nh v chnh n ti khong cch Z an ton trn level di

trc v lp li Helical Lead trong su lm vic tip theo.

qu trnh ny lp li n khi su cui cng c gia cng.

Chains

Phn ny hin th danh sch cc chui hnh c xc nh cho chu trnh. Tt c li vo

chui hin th di Chains header.

Bn c th chn li vo chui trong danh sch.


57

Khi chn Chains header, SolidCAM hin th ng chy dao v v tr ramp mc nh

cho tt c chui. Hnh trn th hin dch chuyn ramp hnh xon c mc nh c xc

nh cho mi chui. Khi ng vo dao c chn, SolidCAM hin th ng chy dao

v v tr ramp mc nh cho chui ny. V tr ny t ng c xc nh ti v tr vo dao

ca ng chy dao lin quan n chui hin hnh. Bn c th thay i v tr ny bng

cch nhn 1 im trn m hnh hoc nhp ta v tr trong hp thoi X, Y, Z. Hnh trn

phc tho gip d dng to nh ngha ca v tr.

Khi chn v tr, n c nh du trn m hnh vi 1 chm mu xanh dng. Ta

ca im c chn hin th trong hp thoi X, Y, Z. Hnh trn ca mu ng chy

dao th hin dch chuyn di dao hnh xon c.

Khi xc nh v tr ramp, dao gim xung vt liu ti v tr ramp c th vi dch chuyn

hnh xon c da vo cc thng s c xc nh. Khi n ti mc ca lt ct u tin,

n di chuyn ti v tr vo dao ca ng chy dao v thc hin gia cng hc.

Ramping Position

Nt Set default cho php thay th v tr ramp c xc nh hin hnh cho chui c

chn ti v tr bt u ng chy dao.

Nt Auto next cung cp cho bn ch chn cho php xc nh vt r ramp cho tt c

chui.

Xc nhn hp thoi vi nt


58

24. Xc nh ng vo/ra dao

Cc chu trnh Lead in v Lead out c s dng xc nh tip cn/rt dao theo

phng ngang ca dao t/khi hnh trong gia cng tinh ca tng ca chi tit.

Pocket Lead in and Lead out

Cc chu trnh Lead in v Lead out sau y c sn

gia cng hc:

None

ng vo v ra dao t level chnh xc k bn im

vo dao ca hnh.

Normal

ng vo v ra dao ti im cui cng ca hnh hc

vi dch chuyn chun ti bin dng hc. di ca

ng vung gc c thit lp trong min Normal

Length. Khong cch gia ng vung gc v bt

u ca hnh hc c thit lp trong min Tangent

extension.


59

Arc

ng vo/ra dao t hnh vi dch chuyn trn, tip xc i

tng cui ca bin dng hc. Bn knh cung c thit lp

trong min Radius. di ca phn m rng c thit lp

trong min Tangent extension. Gc cung c thit lp trong

min Arc angle.

Tangent

ng vo/ra dao t tng ca hc trong dch chuyn tip xc

vi i tng profile cui cng. di ca ng tip xc c

thit lp trong min Length. Khong cch ti vt liu c thit

lp trong min Tangent extension.

Khi chn kim Same as Lead, chu trnh v cc thng s c xc nh cho ng

vo dao c s dng cho ng ra dao.


60

Di Lead in, chn Arc t danh sch

v thit lp gi tr Tangent extension thnh 3 v

Radius l 2.

Di Lead out, chn Same as Lead trong

kim.


Click Save & Calculate. D liu chu trnh gia cng Pocket c lu vo ng chy

dao c tnh ton.

26. Chu trnh m phng

M phng chu trnh trong ch SolidVerify v Host

CAD simulation.

27. Thm hot ng khoan

Drilling operation c s dng thc hin khoan tm ban u ca 4 l trong gc ca

m hnh. Nhp chut phi vo chu trnh Profile cui cng trong SolidCAM Manager v

chn Drilling t Add Milling Operation submenu.

Hp thoi Drilling Operation hin th.


61

28. Xc nh hnh hc khoan

Trong vng Geometry, click nt

Hp thoi Drill Geometry Selection hin th trong SolidWorks PropertyManager. Hp

thoi ny cho php chn hnh hc khoan trc tip trn m hnh khi.


62

SolidCAM cho php bn chn tm khoan bng cch

s dng cc ty chn sau:

Pick position

Bn c th xc nh tng tm khoan trc tip trn m hnh

khi.

3 Points on circumference

Thng thng, tt c ng cong v cung ca m hnh c

nhp c chuyn i thnh cc spline bng cch xut khi

h thng CAD. Da vo tnh t nhin ca ng cong spline

hoc cc ng bin b mt, bn khng th chn v tr tm

m bn mun trn 1 ng trn hoc cung.

SolidCAM tnh ton v tr ca 1 cung c xc nh bi 3

im nm trn mp spline. iu ny gip d dng chn

khoan trn b mt spline.

Multi-positions

Bn c th chn mt m hnh. SolidCAM t ng cng nhn

tt c cc cung/hnh trn nm trn mt c chn v chn

cc im tm nh v tr khoan.

All circle/arc centers

SolidCAM tm kim m hnh khi cho cc cung v hnh trn

nh v tr khoan cho hnh hc.

Chn All circle/arc centers v click nt tng ng.

4 v tr khoan c chn. ta ca chng hin th y chi

tit ca hp thoi Drill Geometry Selection.


63

Click xc nhn la chn hnh. Hp thoi Drilling Operation hin th.

29. Xc nh dao

Chuyn sang trang Tool ca hp thoi Drilling

Operation v click Select.

Part Tool Table hin th.

Click bt u nh ngha dao khoan mi. T

Drilling Tools section, chn Spot drill tool cho chu trnh.

Spot Drill

Loi dao ny c s dng khoan tm v vt mt trong cc chu trnh khoan. 1 dao

ca loi ny c xc nh vi cc thng s trong hnh.


64

Spot drill 6 c s dng cho chu trnh ny.

Click Select chn dao cho chu trnh ny.

Hp thoi Drilling Operation hin th. Click Data tab.

Xc nh spin v tin dao cho chu trnh.

Thit lp Spin rate l 1200

Thit lp Feed Z l 200


65

30. Xc nh su khoan tm

Vo trang Levels ca hp thoi Drilling

Operation. Click Drill depth v chn mt

di ca m hnh. Gi tr Drill depth (0)

xut hin trong chnh sa lin quan.

thc hin khoan di ng knh c th ca dao, s dng ty chn Depth

type.

Depth Type

Ty chn ny cho php lm su l khoan t c ng knh a ra ti

su khoan c th.

Mi my ct ng knh y Gi tr ng knh

Cutter tip

u khoan ti su khoan xc nh.

Full diameter

Khoan ti su xc nh vi ng knh y .

Diameter value


66

Khoan ti su khoan xc nh vi ng knh nn my khoan c xc nh

trong chnh sa.

Gi tr Diameter c th thay i t 0 ln n ng knh dao khoan. 1 gi tr ln

hn ng knh dao khoan t ng gim thnh ng knh dao khoan.

Chn ty chn Diameter value v thit

lp gi tr 5.

Trong phng php ny, thc hin khoan n

khi ng knh dao l 5mm ti su l 0.

Da vo cc thng s ny, SolidCAM tnh

ton su tm bng cch s dng cng

thc sau:

Nu Diameter_value l 5 mm,v l 90, su tm c tnh ton nh sau:


Click Save & Calculate. Drilling operation data c lu v ng chy dao c

tnh ton.

32. M phng chu trnh


67

M phng chu trnh trong ch

SolidVerify simulation.

33. Thm 1 hot ng Drilling

Thm 1 hot ng Drilling khc th hin qua khoan l.

Nhp chut phi vo Drilling operation v chn Drilling t Add Milling

Operation submenu. Hp thoi Drilling Operation hin th.

34. Xc nh hnh

Chu trnh ny s dng hnh c xc nh

trong chu trnh khoan tm trc . Chn

Drill geometry t danh sch trong vng

Geometry.

Mi hnh hc c xc nh trong SolidCAM c 1 tn duy nht. Khi

hnh c xc nh, n c gn 1 tn mc nh c th thay i c.

bng cch s dng tn ny, bn c th chn hnh hc cho 1 chu trnh

c th.

35. Xc nh dao

Xc nh new Drill tool 4 cho chu trnh ny.


68

Click Select chn dao.

Hp thoi Drilling Operation hin th. Click Data tab trong trang Tool.

Xc nh spin v tin dao cho chu trnh.

Thit lp Spin rate l 3000

Thit lp Feed Z l 360

36. Xc nh su Drilling

Chiu cao tng qut ca m hnh l 10 mm cng vi 5 mm

offset y c xc nh cho phi. Thc hin khoan su

hn su ny kch hot dao thot vt liu v thc

hin khoan.

Vo trang Levels.

Chiu cao

Xc nh Upper level bng cch chn mt nh ca m hnh nh hnh.

Xc nh Drill depth. Quay m hnh v chn mt y nh hnh.


69

Khi Z- offset c xc nh cho m hnh

phi 5mm, thit lp Delta value l -5.

thc hin khoan, chn Full diameter

trong vng Depth type. Vi ty chn ny,

thc hin khoan n khi ng knh y

ti su khoan c th. iu ny c

ngha rng chi tit hnh nn ca dao tn ti

t vt liu.

37. Xc nh loi khoan

SolidCAM cho php bn s dng s quy trnh gia cng khoan c h tr bi CNC-

controller. Trong chu trnh ny, quy trnh gia cng khot c s dng cho phoi v.

Vi quy tnh ny, phi v hon tt bi vic rt nh dao trong qu trnh khoan.

M trang Technology v click Drill cycle type. Quy trnh khoan c sn hin th.

Click Peck. Quy trnh gia cng c chn cho chu trnh.

Click Data xc nh thng s khot. Hp thoi Drill Options hin th.

Thit lp Step down l 1.5 xc nh su ca mi dch chuyn khot.

Xc nhn d liu vi nt OK.


70


Click Save & Calculate. Drilling operation data c lu v ng chy dao c tnh

ton.

39. M phng chu trnh

M phng chu trnh trong ch SolidVerify simulation.


71

khi trong chu trnh trc ng knh khoan ln hn ng knh khoan trong

hot ng ny, kt qu khoan trong mt vt trn l c khoan. By gi, bn kt

thc bi tp thnh cng.

Documents

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