wwwmastercamwebs com

7/31/2019 Wwwmastercamwebs Com

1/20

Bi ging MasterCAM

- 12 -

1.2 Khi ng MasterCAM

C hai cch khi ng mt chng trnh MasterCAM X trong mi trngWindow 9x v NT, XP:

Cch 1: Nu bn to mt biu tng - shortcut trn mn hnh, DoubleClick vo , xem hnh 1.20.

Cch 2: Trn thanh taskbar, Click vo nt Start\ All Programs\MasterCAM X \ MasterCAM X

Hnh 1.21: Mn hnh MasterCAM X

1.3 Mn hnh MasterCAM

Sau khi vo MasterCAM, h thng s hin th mn hnh lm vic ca MasterCAM vi 4 phnvng chn sau: vng mn hnh ho, vng thanh cng c, vng menu mn hnh v vng hi pca chng trnh (System response area)

Hnh 1.20

Vng Menu bar

Vng thanh cng c (toolbar)

design by truong2008.com


2/20

Bi ging MasterCAM

- 13 -

Hnh 1.24: Mn hnh MasterCAM

Vng ho:

y l vng lm vic, ni cc m hnh hnh hc s ca i tng c thit lp hoc c gira v chnh sa.

Vng ho

Trc to

Vng Menu ph

Vng to

Vng hip

Vikhcd


3/20

Bi ging MasterCAM

- 14 -

Vng cc thanh cng c (Toolbar):

Thanh cng c l mt hng cc nt nm ngang pha trn cng ca mn hnh. Mi nt ny cmt icon hoc con s nhn bit. Ngoi ra nu cn mt m t r hn v mt nt no , ch cndi tr chut n nt , bn s c cung cp mt menu xng m t r hn v nt . Munthc hin lnh tng ng vi nt no (Icon Command), ch cn click vo nt l yu cu cthc hin.

Vng Menu:Vng ny nm bn trn ca mn hnh, cha menu bar. Menu bar c s dng chn cc

chc nng ca MasterCAM, v d : Creat, modify, toolpaths... Cn menu ph nm pha di camn hnh c s dng thay i cc thng s h thng ca chng trnh, v d: su Z, musc l nhng chc nng thng xuyn c ngi s dung thay i. Tt c cc lnh dng trongMasterCAM u c th chn t vng Menu .

Vng hi p:

Ti y, mt hoc hai dng vn bn di cng ca mn hnh s m t hot ng ca cclnh. y l ni bn nhn c cc li nhc ca chng trnh. Phi quan st vng ny cn thn, cth n s yu cu bn phi nhp cc thng s t bn phm.

Chn mt Menu lnh:

Trong MasterCAM c hai cch chn mt menu lnh t vng Menu :

1.Di chuyn chut vo vng menu , khi hp menu cn chn sng ln th nhp chut kchhot lnh.

2.Bm phm tng ng vi k t c gch chn ca dng lnh trn menu mn hnh.Menu u tin xut hin trn MasterCAM l Menu bar nh trn hnh 1.5. Mt vi menu lnh

c cc menu ph xung khi cc menu ny c kch hot. Bng di m t chi tit cc lnh camenu chnh v menu ph xem bng 1.1 v 2.2.

Bng 1.1 Menu bar

STT Thnh phn camenu bar

M t

1 Analyze Hin th to v thng tin c s d liu ca i tng c lachn v d nh im, on thng, cung trn, b mt hoc kchthc ln mn hnh. iu ny thun tin cho vic nhn dng cci tng c to ra trc , v d: xc nh gc ca mt mton thng ang tn ti, hay l bn knh ca mt vng trn xcnh.

2 Create To ra mt i tng hnh hc (trong c s d liu v trn vngmn hnh ho). Cc i tng hnh hc bao gm: on thng,cung, vng trn, hnh ch nht v.v

3 File Cc thao tc x l vi file: save, open (m file), save as (chuyni nh dng tp tin), Export directory (truyn d liu i), hocImport directory (nhn d liu n).

4 Edit Chnh sa i tng hnh hc trn mn hnh, gm cc lnh: fillet,trim, break v join

5 Xform Thay i nhng i tng hnh hc to bng cc lnh: Mirror,


4/20

Bi ging MasterCAM

- 15 -

rotate, scale v offset

6 Screen V hoc in bn v, quan st cc hnh v, ch ra s lng cc itng hnh v, phng to, thu nh, thay i khung nhn v nh dngcu hnh h thng.

7 Solids Thit lp m hnh hnh hc s ca i tng theo phng phpdng hnh ca mi trng Solid Modeling

8 Toolpaths To ra cc ng chy dao s dng theo cc chc nng khoan(drill), ng contour v pocket

9 View Lnh phng to thu nh theo cc kiu... (Zoom window, Zoomtarget, Zoom in/out..........)

10 Machine type Chn cc kiu dng chy dao (Mill, Lathe, Router, Design)

11 Settings Thit lp cu hnh ca MasterCAM

12 Help Chc nng h tr hng dn

Bng 1.2 Menu ph

STTThnh phn ca

menu phM t

1 Hin th v thay i su lm vic hin ti

2 t mu mc nh

3 t level lm vic

4

t thuc tnh cho dy ca nt v v kiu nt v layer lm

vic, v dng hin th ca im, mu ca i tng

5 t mt phng ban u cho qu trnh dng hnh

6Thay i hng nhn trn mn hnh ho. Ch rng, hngnhn ca mn hnh ho c th khng ph thuc vo mt phngdng hnh

Ch : Cc menu, cc lnh v cu trc tu chn trong MasterCAM

u tin chn Creat bng tr chut trn menu bar chn CreatRectangle ta c th chn 2 v

tr bt k trn vng to to hnh ch nht hoc nhp to cc im vo vng to . Ch n cc li nhc trong vng tng tc, n cung cp cho bn cc hng dn quan trng.


5/20

Bi ging MasterCAM

- 16 -

Hnh 1.25 T chc cy ca Menu CREATE

Trong ti liu ny, cc la chn lnh nh trn c trnh by nh sau:

Creat Creat Rectangle

Ton b cc lnh trong MasterCAM c t chc mt cch h thng. Bn nn ginh thi gian xem xt chng, s thun li hn khi hc v thc hnh cc lnh mn hnh trong cc chng sau.

1.5Thot khi MasterCAMMun thot khi MasterCAM, ch cn thc hin cc bc sau:

- Di con tr chut ti menu bar- Chn File\ Exit- Xc nhn thot khi MasterCAM: chn Yes khi c hi.Hoc di tr chut ti nt close gc trn bn phi, kch chut v xc nhn thot khiMasterCAM.

Hoc dng phm tt : Alt+F4

1.6 S dng cc lnh ng trong MasterCAM (MasterCAM Navigation commands)


6/20

Bi ging MasterCAM

- 17 -

Hiu cc lnh ng ca MasterCAM rt cn thit khi mun s dng chng trnh mt cchhiu qu. Trong mc 3.3 chng ta xem xt cch gi mt lnh t menu mn hnh. tng tc thao tc, ta dng cch gi lnh khc nh ng mt gi tr mc nh v phm tt c m t diy:

Gi tr mc nh - Default Values:

Trong MasterCAM, cc gi tr mc nh c ci t bi chng trnh ( hoc l ngi s

dng trc ) c ch ra trong vng hi p. V d:

Nu bn quyt nh dng gi tr ny th bn khng cn phi nhp li gi tr ny na v c thdng mt trong hai cch sau

- Bm phm chn im bt k trn vng to - a con tr chut ti nhp kch thc cn thitNu bn mun thay i gi tr mc nh, bn nhp gi tr mi m cn xo gi tr c.

Mt s phm tt s dng trong MasterCAM(15 phm):

Alt - A M ca s AutoSave (T ng lu)

Alt - CChy chng trnh ng dng C-Hook (l chng trnh i kmMasterCAM, h tr phn CNC)

Alt - D Hin ca s cc thng s Drafting Global (Phc tho ton b)

Alt - F Hin thanh cng c File

Alt - H H tr trc tuyn

Alt - M a ra danh sch cc b nh c ch nh cho MasterCAM

Alt - O Qun l hot ng

Alt - U Undo

Alt - W Chn ch quan st

PageUp/PageDown Phng to/Thu nh

Phm mi tn Di chuyn khung hnh (Pan)

Cc phm chc nng (19 phm):

Phm chc nng Alt+ phm chc nng

F1 Zoom Phng to/thu nh cho va mn hnh

F2 Zoom Previous hoc scale h s 0,5 Scale h s 0,8


7/20

Bi ging MasterCAM

- 18 -

F3 Repaint (tng t redraw trong autocad) Phn tch ti v tr con tr hin ti

F4 Analyze (Phn tch) Thot khi MasterCAM

F5 Xo Khng c tc dng

F6 Khng c tc dng Khng c tc dng


F8 Khng c tc dngConfiguration (la chn cu hnh chngtrnh)

F9 Hin thng tin h thng V trc to


1.7 S dng cng c tr gip (Help).Nu bn cn tr gip v cc phm chc nng, s dng cc phm Alt-H, chn search v g:

Default special key assignment. Mt bng tr gip chi tit s c hin trn mn hnh. (Hnh1.26)

Hnh 1.26 Trang tr gip trnh by cng dng ca cc phm chc nng


8/20

Bi ging MasterCAM

- 19 -

Trong MasterCAM, bn phi ch rng mn hnh tr gip trc tuyn cng c th c gibi Alt-H. Tr gip ny c trnh by di dng menu mn hnh, bn c th chn ch quantm bng chut hoc l tt Help bng cch click menu bar pha trn ca mn hnh.

1.8 Ci t cc thng s cu hnhTrong MasterCAM, cc gi tr mc nh ca thng dng ca chng trnh nh l: Allocations

(Xc nh phn b nh dnh cho chng trnh), Tolerances (dung sai), NC settings (nh dng NC),CAD settings (nh dng CAD) c cha trong cc file thng s cu hnh (*.CFG). File thngs cu hnh ny nh l MillX.CFG cho n v Anh v MilliXM.CFG cho n v mt. Nu bnmun tu chnh nhng thng s mc nh khi khi ng ny, s dng lnh theo trnh t sau:

Alt-F8

Hp thoi System Configuration hin ra nhhnh 1.27

Hnh 1.27 Hp thoi cc thng s cu hnh.

Li khuyn: Bn nn copy cc file *.CFG ra mt a mm tin li hn khi bn mun

phc hi cc thng s ban u.Hp thoi ny c chia lm 3 phn: Cc tu chn nt, cc tu chn tab, cc tu chn ca file

configuration hin ti. Di y s gii thiu chi tit cctu chn trong hp thoi:

Tu chn nt (Button options)

OK ng hp thoi v thc hin ton b ccthay i. Khi bn chn OK, chng trnh s nhc (Hnh1.28):

Chn Yes, chng trnh s thc hin cc thay i Hnh 1.28


9/20

Bi ging MasterCAM

- 20 -

v lu chng vo file

Chn No, chng trnh s thc hin cc thay i cho ln chy hin ti, nhng khng ghi vofile.

Cancel ng hp thoi m khng thay i v khng lu nhng thay i vo file

Status Cho php bn xem nhng phn thng tin configurattion c chnh sa. Cc phn chnh sa th c cc du check (), b du check s hu b s thay i thng s tng ng trc ca bn. (Hnh 1.29)

Assign Chuyn mt file CFG thnh mt filePost (*.PST).

Merge Kt hp thng tin cu hnh t mt filekhc vi file cu hnh hin ang m.

Hnh 1.29

Tu chn Tab (Tab options)C 10 la chn Tab trong hp thoi ny, mi

Tab a ra mt trang thng s cu hnh.

Allocations t cc gi tr ln nht cho ccc trng ca MasterCAM, v d s im trn mtng cong, s im trn mt mt phng, s i tng c th phc hi xa (undelete), nh phnc s d liu (Tnh bng Kb), nh phn ng chy dao (Tnh bng Kb).

Tolerances nh cc gi tr dung sai mc nh cho cc vng khc nhau ca MasterCAM.

Hnh 1.30 Trang Tab Tolerances


10/20

Bi ging MasterCAM

- 21 -

Communication nh ccng kt ni truyn thng viiu khin CNC v nhng thitb ngoi vi khc. (Hnh 1.31)

Hnh 1.31 Trang TabCommunications

Files nh cc gi tr mcnh cho file v th mc lm vicvi MasterCAM. (Hnh 1.32)

Hnh 1.32

Plotter Settings nh cc gi tr mc nh cho cc thng s ca my v. Khi chn, mt cas s m ra cc thng s khng do Windows iu khin (non-windows driver). Nu bn chn hp

check Use Windows driver gc di bn tri ca hp thoi, hp thoi s chuyn sang cc thngs do Window iu khin. Hnh 1.33 trnh by hp thoi cc thng s khng do Windows iukhin ca nh dng my v.


11/20

Bi ging MasterCAM

- 22 -

Hnh 1.33

Hnh 1.34 l hp thoi cc thng s ca my v do Windows iu khin.

Hnh 1.34

Toolbar/key Gn cc phm chc nng v phm Alt, cc nt trn thanh cng c cho cc hm,C-hook, v cc Macro. Ti a c 50 phm v 99 nt c th c gn. Hnh 1.35


12/20

Bi ging MasterCAM

- 23 -

Hnh 1.35

NC Settings: nh cc gi tr cho cc d liu chung ca NC thng qua MasterCAM. Hnh 1.36

Hnh 1.36

CAD Settings nh cc thng s mc nh cho thit k v d nh: Spline/Surface creationtype (Kiu ng cong v b mt), Drafting settings (nh dng thit k), IGES writesettingHnh 1.37


13/20

Bi ging MasterCAM

- 24 -

Hnh 1.37

Start/Exit nh cc gi tr mc nh m chng trnh s dng khi bn khi ng v thotkhi chng trnh. Nhng gi tr mc nh ny bao gm cc file cu hnh, mt phng thit k mcnh, tn cc file to thnh, nh dng C-hook v nh dng t ng lu. Hnh 1.38.

Hnh 1.38

Screen: nh cch trnh by cc vng khc nhau ca mn hnh MasterCAM, bao gm fontch ca cc menu, cu hnh quan st mc nh, kiu nhp im mc nh, cc thanh cng c nhnthy khi khi ng Hnh 1.39


14/20

Bi ging MasterCAM

- 25 -

Hnh 1.39V d

Trong v d sau y, bn s s dng nhng lnh cn thit gii thiu trong chng ny lm vic vi MasterCAM. Bn s vo mi trng MasterCAM, hon thnh mt bn v v d ngin (H7.40), ghi n li v li m li n. Khng cn quan tm ti kch c hay kch thc ca bnv, nhng c gng thc hin cng ging cng tt.

Hnh 1.40 V d MasterCAM to go !

Trong qu trnh v, bn phi lm quen vi vic s dng chut, chn cc lnh t menu mnhnh, v nhp cc thng s khc t bn phm.Cc thi quen ny l rt quan trng cho viclm quen vi MasterCAM v co ng dng can.

Vic thc hin v d trn cn c chiathnh cc bc sau:

+ Vo MasterCAM+ Phn tch cc i tng ca bn v.+ To cc i tng hnh hc n gin+ Ghi vo file+ Thot khi chng trnh. Hnh 7.41


15/20

Bi ging MasterCAM

- 26 -

+ Khi ng li MasterCAM+ M li file va to

Step 1. Vo MasterCAM

Tin hnh cc bc nh gii thiu phn 1.2

Step 2. Phn tch cc i tng ca bn v: Mt trong nhng yu cu u tin khi xy dngbn v l nhn bit cc i tng trong bn v (H7.41) v th t xy dng cc i tng . Mcd trong chng ny khng gii thiu th tc ny nhng n rt quan trng trong khi bn chun bcho bn v ca bn.

Step 3. To tng hnh v:

T bc 4 ti bc 9, bn chn cc im nhhnh 1.42

Hnh 1.42 Cc im chn thc hin v d.

Step 4. To hnh ch nht:

Chn phn menu:

Create Create Rectangle (Ch v thc hin theo li nhc trong vng tng tc)

Enter the lower left corner Chn P1

Enter the upper right corner Chn P2

Step 5. To gc ln: (Fillet)

Chn trn menu:Create Fillet Fillet Entities

(Ch li nhc vng tng tc)

Select an entity: Chn P3

Select another entiety: Chn P4

Step 6. To ng trn


16/20

Bi ging MasterCAM

- 27 -

Chn trn Menu

Create Arc Create Circle Center points

( Ch li nhc vng tng tc)

Enter the first point (Nhp im th nht): Chn P5

Enter the second point (Nhp im th hai): Chn P6

Step 7. To cc hnh ch nht:

Thc hin nh bc 4 v to 5 hnh ch nht cn li bnglnh Rectangle

Step 8. Copy ng trn

Select an entity (Chn mt i tng): Chn P7

Chn trn menu:

Xform Translate

Chn trn menu:

(Ch li nhc trn vng tng tc)

Enter the points to translate from (Nhp im gc thayi): Chn P8

Enter the points to translate to: ( Nhp im ch thayi): Chn P9Hp thoi translate

Chng trnh hin ra mt hp thoi Translate cho php

chn: Copy, move hay join v s bc thc hin. nh dukim vo mong mun v OK.

Step 9. To ra mt dng

ch:Chn trn menu:

Create Drafting Note

- Chng trnh hin ra hpthoi Note Dialog (Nhhnh 1)

- Nhp vo hp Keyin : MasterCAM to go


17/20

Bi ging MasterCAM

- 28 -

- Chn du kim cho hp Single Note (Ch to ra mt bn Text t bn nhp)

- Chn OK, hp thoi ng li.

- Chn v tr cho dng text trong ca s ho, click.

Step 10. Lu vo file

Chn trn Menu

File Save

File name Nhp BUS

Step 11. Thot khi MasterCAM

File Exit Yes

Step 12. Khi ng li MasterCAMThc hin nhbc 1 (Nh gii thiu phn 3.2)

Step 13. M li File va to

File Get Open

Chn File BUS.MCX, nhy kp hoc chn Open.

Ch : Bn v va to phi ging nh hnh v mu cho.

1.9 Luyn tpTrc khi lm cc bi tp di y, bn hy xem li cc lnh cn thit gii thiu trong v

d trn.

1. Bt my tnh v m chng trnh MasterCAM.2. Bt u mt bn v miV 6 on thng lin nhau (Gi : Create Line Multi sKetch)

V 2 hnh ch nht

V 4 hnh trn

Vit hai dng ch

Xa 1 on thng, mt hnh ch nht, mt hnh trn, mt dng ch.3. Lu li vn v vi tn l EX4. M li MasterCAM5.M t chi tit cc vng ca mn hnh MasterCAM:6.M t ngn gn cc cch la chn mt menu.7.Phm chc nng cho lnh DELETE l phm no?8.M t ngn gn cc lnh trong cc menu : Create, Modify, Xform.


18/20

Bi ging MasterCAM

- 29 -

Hnh 2.1

Chng II

C s xy dng hnh hc 2D

Mc ch:

1. Hiu c cc lnh v 2D nh : LINE, ARC, CIRCLE, RECTANGLE, CHAMFER,SLINE, ELLIPSE, POLYGON v LETTERS

2. Luyn tp s dng menu lnh create xy dng m hnh hnh hc s ca i tng gia cng.3. Xy dng cc phn t hnh hc c s dng c s lnh create.Tng quan

Cc phn hnh hc v dng vt liu ca i tng gia cngcn phi c nhn dng trong chng trnh CAD/CAM. Nhngfile hnh hc sau c dng trong chng trnh CAM to racc ng dn dao thc hin qu trnh gia cng. Mt m hnh hnhhc hon chnh v chnh xc rt cn thit cho bt c mt phn mmCAM/CAM no trong qu trnh to ra cc chng trnh ng dng.

im ch yu ca ch

ng ny l ch ra cho ng

i k s

bit cch sdng cc lnh ca MasterCAM to ra cc m hnh hnh hc 2D.Cc lnh s c ln lt trnh din trong chng ny bao gm:POINT, LINE, ARC, CIRCLE, RECTANGLE, CHAMFER,SLINE, ELLIPSE, POLYGON v LETTERS. Nhng lnh hiuchnh cc m hnh hnh hc s c nu ra trong chng 5 v lnhxy dng m hnh hnh hc 3D s c trnh by trong chng 10.

2.1 Menu khi to (create menu)

MasterCAMX qun l cc lnh xy dng m hnh hnhhc s trong menu Create. to ra cc thc th hnh hc chng taphi tun theo cc quy tc tun t trn thanh menu bar. Trong thanh

menu create l nhng thanh cng c c th cn thit. Phn ny sch cho bn bit cng dng ca tng lnh c trn menu create hoccc biu tng trn thanh Sketcher.

2.2Point v thanh cng c ca point:Lnh Point cho php nh du mt im trn bn v (du +), Cc im c th l im

tham kho cho cc m hnh khc khi cn

Hnh 2.2


19/20

Bi ging MasterCAM

- 30 -

Chn Create > Point. T bn c th nhn thy bng chn la tip theo cho menu lnh caPoint.

2.2.1 Create > Point > Position hoc nhp chn biu tng

Dng lnh position to ra cc im trn mn hnh , c 10 tu chn sau bn chn la

Hnh 1.3

Value (ZYZ) Nhp to

Origin Chn im gc

Arc Center Chn im l tm ca ng trn, cung trn

Endpoint Chn im cui ca i tng v n gin

Intersec Chn im giao ca 2 i tng

Midpoint Chn im gia ca i tng

Point Chn im d tn ti

Quadrant Chn im ti gc phn tca ng trn

Nearest Chn im nm trn i tng c chn

Relative Chn im c v tr tng i so vi im khc

con nua xin lien he [email protected]


20/20

Bi ging MasterCAM

Hnh 2.4 menu MasterCAM position

2.2.2 Create > Point > Dynamic hoc nhp chn biu tng

To ra cc im trn i tng bng cch s dng chut hoc im chia

Th tc:

Chn i tng nh line, circle hoc spline

Dch chuyn trn i tng v chn bng cch nhn phm trI chut ( kt thc nhn Esc) hocchn i tng v sau khi bit hng dch chuyn th ta nhp khong cch v lng offset tim u

n im cn xc nh

Ch : Bn c th dng lnh ny to ra cc im trn i tng tI bt k v tr no

2.2.3 Create > Point > Node Points hoc nhp chn biu tng

Nhp ta X=3.0 ;Y=3.0

im c to

Gc

3.0

2.0

1

Center

im c to

2

Endpoint

3

Intersec

Last

Midpoint

Relative

Point

Quadrant

Chn 1 im tn ti trc

Chn t ngim cui cng

c to

im tn ti

X = 2.3

bn knh =

To 1 im ti imphn t cung trn

Originim gc(0,0)

wwwmastercamwebs com

Documents