giao trinh proe 5

Trung Tm o To CADCAMCNCTECH Pro/E WF5.0

Thi Hng ( [email protected]) Page 1

Bi 1 : M hnh v phc Sketcher

Sketcher l mi trng ho, s dng Pro/Engineer WF5.0 thit k

cc i tng hnh hc 2D. Cc i tng ny c th c s dng to ra

cc i tng khc (mt, khi) hoc s dng trong mi trng NC. Sketcher rt

mnh, cc cng c thit k gip chng ta c th thit k, thay i trong mi

quan h vi nhau.

Ni dung bi hc

Quy trnh dng hnh

Cc cng c thit k i tng hnh hc

Thit k cc i tng hnh hc.

nh ngha kch thc i tng (Dimension).

Thay i i tng.

Thm cc rng buc vi i tng.

Ghi cc i tng hnh hc bn to ra (Export).

Ti cc i tng hnh hc ghi (Import).

Quy trnh dng hnh

Cc cng c thit k i tng hnh hc



1) Quy trnh dng hnh Chn mt phng v

La chn trc ta hoc gc ta tham chiu

To cc i tng hnh hc

Thay i, hiu chnh kch thc v cc quan h rng buc

Sketche Toolbar

La chn

To ng thng qua hai

im.

To ng thng tip tuyn

vi hai i tng

To ng tm ( ly i

xng )

To hnh hp

To ng trn t tm v mt

im trn ng trn

To ng trn ng tm

To ng trn qua ba im

To ng trn tip tuyn vi

ba i tng khc

To Ellipse

To cung trn

To cung trn ng tm vi

mt cung trn cho trc

To cung trn bi tm v hai

im trn cung



To cung trn tip tuyn vi

ba i tng

To ng cong qua hai im

V trn gc hai i tng

bng cung trn

V trn gc hai i tng

bng cung elp

To ng cong Spline

To im

To gc ta

To i tng t cc cnh bao

ca khi hoc b mt

To i tng ng dng t

cc cnh khi

Ghi kch thc i tng

Hiu chnh kch thc i

tng

To cc quan h rng buc

To i tng ch

Ct ta mt nhnh ca i

tng

Ct ta c hai nhnh ca i

tng

Chia i tng thnh hai phn

ti im la chn

Ly i xng i tng



Quay i tng

Sao chp i tng

Thot khi Sketch

B qua Sketch

Truy cp t menu Sketch, s c thm mt s chc nng m rng:

Data from File : Nhn file sketch c lu sn trong my vo

trong mi trng ang thit k lm i tng thit k

Constraints : Bng to cc quan h rng buc

Dimension Reference : Ghi kch thc i tng lm kch thc

tham chiu (kch thc khng th thay i c)

Dimension Baseline : Ghi kch thc i tng lm kch thc

chnh

Dimension Explain : Ghi kch thc ch thch

References : To cc i tng lm gc ghi kch thc

Features Tool/ Axis of revolution : To trc quay

Features Tool/ Toggle section : Chuyn sang sketch tip theo (khi

thc hin mt lnh to i tng khi trn nhiu Sketch )

Features Tool/ Start point : Xc nh im bt u ca ng

cong

Features Tool/ Blend Vertex : Xc nh nh un

Khi thc hin trn Sketch, mun lu li cc i tng ca Sketch , thc hin

nh sau :

Vo menu File/ Save as copy : chn tn cn lu v chn Ok.

Mun ly file Sketch lu ra lm i tng thit k trong Sketch khc,

thc hin vo menu Sketch / Data from File , chn Sketch, chn OK v chn

gc ta cn t Sketch



2) Cc cng c thit k i tng hnh hc : 2.1 on thng (Line) :

To ng thng t cc im :

Chn biu tng Line.

Kch chut chn im th nht, im th 2, ...,

im th 4. Khi to im, ng thi cc quan

h rng buc s i km vi i tng c

chn to cc kiu nh to ng song song, ng tip tuyn, ng

vung gc,

2.2 Hnh hp (Box) Chn biu tng Box.

Chn gc th nht hnh hp. Di

chuyn chut chn gc i din th

2 xc nh hnh hp.

2.3 ng trn (circle) : thit k ng trn c 4 ch :

To ng trn bng cch chn tm v m im trn ng trn.

Chn biu tng Circle

Chn im trn mn hnh lm tm,

chn im th 2 to thnh ng

trn.

To ng trn ng tm vi mt ng trn hoc cung trn c

sn

Chn biu tng



Kch chn mt cung trn, hoc ng trn trn mn hnh ly chun

tm ng trn cn dng, sau chn im th 2 xc nh ng

knh

To ng trn qua ba im.

Chn biu tng

Chn ba im cho trc to ng trn.

To ng trn tip tuyn vi ba i tng khc

Chn biu tng

Chn ba ng trn cho trc m i tng s tip tuyn

2.4 To Ellipse:

Chn biu tng Ellipse

Kch chut tri chn tm

Chn 1im s nm trn ng

Kch p tri chut vo cc gi tr bn

knh trc v nhp bn knh hai trc elp

2.5 To cung trn (Arcs) :

Chn im trc (points) :

Kch chn biu tng

Chn im th nht.



Chn im th 2.

Chn im th 3.

Chn tm trc :

Kch chut chn biu tng

Kch chut tri chn im lm tm.

Kch chut chn im th 2 v th 3 v ln cung

To cung trn tip tuyn vi ba i tng khc :


Kch chut tri v chn ba ng cung trn m n s tip xc

To ng cong conic (ng cong dng nn) qua hai im


Kch chut tri v chn hai im gc ca cung, chn

im th ba xc nh hnh dng cung



2.6 To ng cong Spline

Chn biu tng Spline.

Kch chut chn im th nht.

Kch chut chn im th 2, im th 3 v

im th 4.

2.7 Ly i xng (Mirror) hoc xoay i tng Chn i tng cn i xng

Chn biu tng

Chn trc cn i xng (trc c to bng lnh to ng tm)

2.8 To i tng t cc cnh ca khi hoc b mt Sketch / Egde Use .gip bn c kh nng chiu mt i tng l cnh

ca b mt , hnh khi hoc bn v sketch khc ln mt phng thit k hin

hnh nh mt i tng thit k. i tng chiu ch

xut hin khi thc hin trong mi trng sketcher

Cc bc tm tt thc hin :

Chn mt phng.

M ch sketch.

T thanh cng c sketcher chn . Khi s xut hin bng

hp thoi la chn kiu i tng (Type)

Chn i tng. i tng c la chn c chiu ln trn mt

phng thit k lm i tng thit k



2.9 To i tng ng dng vi cnh khi hoc b mt

Sketch / Edge Offset gip bn c th to i tng song song ng

dng vi i tng c chiu t cnh b mt hoc cnh khi khc ln

bn v sketch thit k hin hnh.

Cc bc thc hin :

La chn mt phng.

M ch sketch.

Chn Khi s xut hin bng hp thoi la

chn kiu i tng

Single: Chn tng i tng ring l

Chain : Chn theo chui i tng

Loop : Ly theo ng bao ngoi ca b mt

Sau chn i tng cnh cn c to song

song vi n. C th nhy chut vo mi tn o

chiu to i tng

Nhp gi tr khong dch chuyn v chn OK

Kch chut gia thot khi la chn

2.10 Xc nh kch thc cho i tng

Ghi kch thc di ca i tng :

Kch thc on thng.

Kch thc ng trn.

Kch thc cung trn.



ghi kch thc i tng, kch tri chut vo i tng cn ghi

v kch chut gia to kch thc mi. Sau khi kch chut gia to

kch thc, mun thay i kch thc th phi thot khi lnh ghi kch

thc v kch p tri vo gi tr kch thc hin hnh ri thc hin thay

i gi tr kch thc

Ghi kch thc di gia cc i tng :

Khong cch gia 2 im.

Khong cch gia 2 ng thng song song.

Khong cch gia im v ng thng.

Khong cch gia ng thng v ng trn/ cung trn.

Khong cch gia 2 ng trn hoc cung trn.

Khong cch gia 2 im, song song vi ng thng cho trc.

Khong cch gia 2 cung trn hoc ng trn, song song vi

ng thng cho trc.

Ghi kch thc gc :

Gc gia 2 ng thng.

Gc gia ng thng vi trc to dc hoc ngang.

2.11 Thay i v hiu chnh kch thc i tng

Chn biu tng chn cc kch thc cn thay i nhp

cc gi tr mi OK



2.12 Gi bng cc i tng mu (a gic, lc gic, hnh sao,)

La chn biu tng c th thc hin gi bng

Click chut tri chn kiu i tng cn to (vd chn hnh

hexagon). Chng trnh hin th tab yu cu nhp t l v gc quay ca

i tng. Nhp t l 1 gi nguyn kch thc i tng ban u.

Click chn im t trn mn hnh ha. Ghi li kch thc nu

cn.

3) Thay i i tng (Edit) La chn biu tng c th thc hin :

Di chuyn mt im.

Di chuyn on thng.

Thay i kch thc on thng.

Di chuyn ng trn/ Cung trn/ Ellipse.

Thay i kch thc ng trn/ cung trn/ Ellipse.

Di chuyn ng cong Spline.

Di chuyn cc im trn ng cong spline.

Thay i dc im cui ca ng cong spline.



Thay i kch thc bng cch ko.

Di chuyn v tr ca kch thc.

4) Thm cc rng buc (Add Constraint)

Cc biu tng trn thanh cng c Add Constraint

: rng buc theo phng ngang.

: rng buc theo phng thng ng.

: rng buc song song.

: rng buc vung gc.

: rng buc tip tuyn.

: rng buc ng tm.

: To gi tr ging nhau

: to s i xng hai im qua ng tm

: to s thng hng gia cc im theo phng ngang

Thao tc

La chn kiu rng buc, sau chn cc i tng cn to rng buc

vi nhau. Kt thc lnh bng click chut gia.

V d :

Click chn biu tng entities tangent



Click chn i tng cn tip tuyn l ng thng, sau click

chn ng trn

5) To cc mt phng v trc ta * Cc biu tng to cc mt phng ta

: To mt phng ta mi

: To ng tm trc

: To im tham chiu v gc ta mi

Thao tc to mt phng tham chiu :

Click chn biu tng lnh v chn kiu to mt

Click chn mt mt phng c (mt tham chiu c hoc mt

phng ca m hnh hnh hc )



To mt i qua mt on thng v nghing vi mt phng c chn

mt gc bt k :

Click chn Plane

Click chn cnh, gi Ctrl v chn mt mt phng cn quan h gc

Nhp gc. OK

To h trc ta

Click chn lnh



Click chn ln lt theo th t i tng to trc X, Y, Z. Trc X

c to s l vecto php tuyn ca b mt hoc vecto ch phng ca

on thng, cnh (Ch mc nh) . Trong qu trnh la chn, lun gi

phm Ctrl .

Thay i hng trc trong tab Orientation.

6) S dng chut v bn phm Cch thc s dng chut v bn phm trong Pro/ENGINEER 4.0

( LMB )

Chn i tng hnh hc, biu tng lnh, c tnh to hnh,

: Thm vo/ loi b i tng

: Chn i tng dng ng hoc b mt



( MMB ) : Kt thc la chn, lnh to hnh,

Kt thc lnh to hnh

Xoay chut gia phng to/ thu nh

Gi chut gia xoay i tng (Spin)

ko r i tng quan st (Pan)

(theo phng ng) phng to/ thu nh theo 1

tm

(theo phng ngang) quay i tng quanh 1

tm

( RMB ) : Gi chut phi 1 giy hin thanh menu ph



Bi 2: Xy dng vt th c bn

M hnh khi c to dng t cc khi hnh hc c s, da trn cc php

ton logic v cng, tr, ha khi c th to ln c cc m hnh vt th t

dng n gin n phc tp. Pro/ENGNEER cung cp mt s cng c h tr

thit k c bn t , ngi s dng c th vn dng mt cch linh hot vo

lnh vc thit k cc m hnh 3D, bao gm la chn gia to m hnh dng khi

v m hnh b mt.

Ni dung bi hc :

Quy trnh dng hnh

Cc lnh to khi c bn : Extrude, Revolve,

Cng c ng dng to nhanh : Hole, Rib, Round, Shell,



To l To v cho chi tit dng hp To gn To mt vt cho khi V trn gc Vt gc

n khi To khi trn xoay Ko mt bin dng theo mt ng dn To khi qua cc tit din thay i Ni cc bin dng theo mt ng dn Ko bin dng theo ng helix Ni hai b mt bng mt b mt trn Ko cc bin dng khc nhau thnh khi

To ng v b mt To li ng v b mt c tnh cnh ca ng v b mt Ko bin dng m hnh khi hoc b mt Thng s c lp



1) Quy trnh dng hnh Thit lp cc i tng tham chiu : mt Plane, trc, im (nu

cn)

To Sketch cha cc bin dng bao ca m hnh thit k

To cc i tng ph tr : ng dn, im nh v

La chn v thc hin cc lnh to hnh

Hiu chnh v thay i cc thit k (nu cn)

Ti to li m hnh.

2) Cc lnh to khi c bn 2.1 Extrude

ng dng

Xy dng m hnh khi t mt bin dng Sketch ng kn, pht trin

theo hng xc nh to thnh vt liu khi t bin dng 2D. Chc nng

Extrude va c th to khi v cng c th dng thc hin ct khi theo bin

dng Sketch kn c chn. Extrude c s dng c bn nht trong qu

trnh to hnh, t thit k c bn n to hnh phc tp.

iu kin to hnh

Cc i tng to vng bin dng phi lin tc v to thnh vng kn.

im cui ca i tng ny s l im u ca i tng k tip.

qu trnh hiu chnh c d dng (nu c s thay i), nn thit lp

y theo quan h rng buc v kch thc, v hnh hc, v lin kt gia

cc i tng trong Sketch

ng dn : Insert / Extrude

Thao tc

Click chn Insert/ Extrude

Click chn Sketch c



Click chn kiu to hnh : dng khi hp

Click nhp cc thng s to hnh : hng pht trin khi, b dy

khi,

Thng s to hnh

Placement : La chn bin dng ca khi (mt Sketch)

Options : Cc la chn v b dy khi, kiu to khi,

theo mt hng hoc hai hng

: La chn to dng khi

: La chn to dng b mt

: La chn hng (hoc c th kch chut tri vo mi tn

trn vng hin th)

: La chn ct khi ( Remove Extrude)

: La chn to thnh mng cho khi

: Xem th kt qu trc khi chp nhn la chn

Th d

To mt file mi : Chn File / New / Part / Solid



Click chn Insert / Model Datum / Sketch (hoc click vo biu

tng Sketch ) , chn mt phng TOP lm mt phng Sketch

To khi hp c kch thc 200x200. Thot khi Sketch

Click chn Insert/ Extrude & chn Sketch va to

Nhp b dy 50mm

2.2 Revolve

ng dng

Xy dng m hnh khi dng trn xoay t mt bin dng kn v trc quay

c nh. M hnh vt th c th l dng trn xoay ton phn hoc mt phn.



Tng t nh Extrude, Revolve cho php thm vt liu (thm khi ) v

cng c th thc hin ct vt liu ca m hnh khi.

ng dng c bn nht ca Revolve c s dng cho cc chi tit dng

trn xoay, dng trc hoc dng l.

iu kin to hnh

Bin dng Sketch phi kn, ng trc quay khng c php ct qua bt

k mt phn t no ca bin dng (cho php trng nhau hoc tip xc vi i

tng )

Trc quay phi l ng thng, on thng (cnh) hoc ng trc.

C th thc hin to khi trn xoay y hoc mt phn, ph thuc vo

gc qut ca bin dng Sketch quanh trc

Thao tc

Click chn (Insert / Revolve)

Click chn Placement / Sketch v chn Sketch va to

Click chn (trc xoay) v chn trc quay

Nhp cc thng s to hnh : gc quay, b dy thnh, hng,

Th d (To bin dng Sketch trn mt phng Front)

2.3 To l Hole



ng dng

Cho php to nhanh cc dng l (ch yu khot l) theo tiu chun l ca

ngnh c kh hoc theo bin dng cho m hnh ca ngi thit k.

Dng l trn

Dng l ren

Chn kiu thng s ren tiu chun

Dng vai ca l ren

iu kin to hnh

ng tm trc l lun trng vi phng ca vecto php tuyn ca b

mt ti im t. Do kch thc rng buc ca ng tm trc phi c

xc nh r rng thng qua cc i tng tham chiu khc (l mt phng,

mt Plane, cnh ,)

V tr l c th c xc nh thng qua mt im tham chiu c.

Thao tc

Click chn Insert / Hole

Click chn b mt cn to l trn

Ko r cc v tr xc nh kch thc rng buc ti cc i tng

tham chiu l mt phng hoc cnh. Nhp kch thc nh v ca l

Chn kiu to l

Nhp cc gi tr to hnh : chiu su l, ng knh l

Th d (da vo chi tit Thi_du)

Click chn b mt trn cng ca khi hp l b mt cn to l



2.4 To gn Rib

ng dng

To nhanh cc thit k dng gn tr lc cho m hnh vi bin dng gn

n gin, b dy gn c th thay i d dng m khng nh hng n cc

thit k khc.

iu kin to hnh



Sketch to hnh dng gn l mt hoc mt chui cc i tng lin tip

nhau. im u v cui ca bin dng phi nm trn hai b mt cn to gn

ni tng cng.

Hng to gn phi c xc nh

B dy gn phi c xc nh

Thao tc

Click chn Insert / Rib

Click chn Sketch cha bin dng to gn (hoc c th to

Sketch mi)

Chn hng to gn

Nhp b dy gn

Th d



2.5 Shell To chi tit dng v

ng dng

To nhanh cc m hnh dng khi c chuyn sang dng v vi b dy

xc nh. ng dng to Shell cho ton b m hnh sn phm

C th to chiu dy ng u hoc chiu dy thay i ty thuc vo la

chn Constant Thickness hay Variable thickness

iu kin to hnh

to dng v (Shell), b mt c chn to b dy v phi c

m bo khng t giao nhau hoc tip xc nhau sau khi nhp b dy.

Thao tc

Click chn Insert / Shell

Click chn cc b mt cn loi b (b mt s b remove)

Nhp b dy thch hp cho sn phm

Th d



2.6 To mt nghing Draft

ng dng

Thay i gc nghing ca b mt bao ca m hnh so vi mt i tng

tham chiu ch nh.

iu kin to hnh

B mt nghing phi c xc nh

i tng tham chiu phi l mt phng ng trc hoc cnh khi

Lu :Vic chn i tng c s l mt phng c th xc nh ngay

hng nghing, nn trong mt s trng hp khng cn thit phi chn thm

Full Direction chn hng nghing na.

Thao tc

Click chn Insert/ Draft

Click chn mt cn to gc nghing (Click trc tip vo b mt

ngay khi kch hot lnh hoc c th vo References/ Draft Surfaces

v thc hin chn mt cn nghing)

Click chn i tng c s (i tng gc tnh ton to gc

nghing) : Click vo Draft Hinges v thc hin chn i tng c s

(ng, cnh hoc mt phng)

Click chn Full Direction chn hng nghing (nu cn)



Click chn kiu to hnh

La chn cc thng s to hnh : hng nghing, gc nghing.

Cc thng s to hnh

References : chn cc mt nghing v mt c s

Split : Chia khi thnh hai phn c lp sau khi vt mt

Angles : Thit lp gc vt

Option : Thit lp kiu la chn ch nghing mt hoc c ct ta

v ko di mt vt

Th d

Click chn lnh Draft

Click chn i tng cn to Draft l mt tr

Click chn Draft hinges v chn i tng c s l mt trn ca

khi tr

Nhp gc nghing

Chn li mt nghing Draft surface , nu cn



i tng gc Sau khi Draft thng

thng

Option/ Extend intersect surface

2.7 V gc Round

ng dng

To nhanh cc gc v trn trn cc cnh khi vi bn knh khng i

hoc thay i, ty theo la chn Constant hay Variable

Hnh dng gc v c th l dng cung trn hoc cung conic, c th bm

theo dng ng cnh v hoc theo mt ng dn to hnh khc



iu kin to hnh

Gi Ctrl v chn nhiu cnh cng lc th tt c cc cnh s mang mt

gi tr bn knh R

i vi bn knh thay i c s dng ng dn, ng dn to hnh

phi c xc nh

i vi bn knh thay i thng thng, phi thit lp la chn

References trong mc Set

i vi dng conic, hai gi tr bn trc phi c thit lp

Thao tc

Click chn Insert/ Round

Click chn cnh cn v

La chn kiu to hnh v cc thng s to hnh cho m hnh

Nu to cnh c bn knh thay i, la chn Set/ Value Reference

, sau click phi vo cc im cn v trn cnh v chn Add

Radius

Th d



Through curve

Variable Round



Bi 3: Hiu chnh v thay i thng s thit k

1) Hiu chnh v thay i thng s thit k ng dng

Thc hin cc thay i v thng s hnh hc nh b dy, hng to khi,

gc quay,

Thc hin xa hay tm dng lnh ng dng to hnh t menu qun l

lnh

Thay i i tng tham chiu hoc tham s rng buc

Thay i kiu ng, mu sc, thm ch thch

Hiu chnh kch thc ca Sketch

Trn cy menu qun l lnh, click phi chut vo lnh cn thay

i v chn Edit

Thc hin thay i kch thc :

chiu di, gc, b dy,

Click chn Edit/ Generator to

li m hnh



Hiu chnh li thng s to hnh, thay i bin dng Sketch

Trn cy menu qun l lnh, click phi chut vo ng dng c

tnh cn thay i v chn Edit Definition (thieu cach vao tro lai moi

truong Sketch de hieu chinh)

Nhp li thng s to hnh hoc thay i li bin dng Sketch

Hin th cc v tr li trn bin dng Sketch

Click chn Edit Definition i vi Sketch cn hiu chnh

Thc hin cc thay i trn Sketch

Click chn Shape Close Loops hin th cc vng bin

dng c ng kn

Click chn Highlight Open Ends hin th cc im h .

Mu hin th l cc im trn mn hnh ha



Click chn Overlapping Geometry hin th cc im ca

cc i tng trng nhau. Mu hin th l cc ng, im c mu

xanh nht

Click chn Feature Requirement hin th danh sch cc

iu kin t cho lnh to khi

2) Cc cng c h tr thit k 2.1 Copy

ng dng

Cho php sao chp nhanh cc c tnh to hnh c sang mt v tr

mi. Sau khi copy, cc c tnh to hnh s nm trong cng mt nhm

Group

Chc nng Copy cho php sao chp cc i tng tham chiu hnh hc,

cc c tnh to hnh v cc kch thc km theo.

ng dn : Edit/ Feature Operation / Copy

Thao tc : c hai cch thc hin lnh Copy

Cch 1 : S dng chc nng Paste Special

Click chn c tnh cn sao chp trn cy th mc

Click chn hoc Ctrl + C

Click chn Paste Special



Click chn kiu dch chuyn : Translate hoc Rotate

Click chn cnh xc nh hng dch chuyn. Nhp gi tr

dch chuyn l khong cch hoc gc quay.

Cch 2 : S dng chc nng Copy trong Edit/ Feature Operation

Click chn Edit / Feature Operation / Copy

Click chn kiu dng cn Copy . Sau chn Done

Click chn c tnh cn Copy. Chut gia kt thc la chn



Click nhp cc gi tr cho php nh hnh v nh v i tng

c copy

2.2 Mirror

ng dng

To mt c tnh mi c tnh cht i xng vi cc c tnh c chn

qua mt mt phng xc nh

Thao tc : c hai cch thc hin lnh Mirror

Cch 1 : S dng chc nng Mirror trc tip t menu Edit (ch ng dng

cho tng lnh feature ring r)

Click chn c tnh to hnh c

Click chn Edit/ Mirror

Click chn mt phng i xng . Chn Ok kt thc lnh



Cch 2 : S dng chc nng Edit/ Feature Operation : Cho php ly i

xng nhiu c tnh cng mt lc

Click chn Edit/ Feature Operation / Copy / Mirror / Done

Click la chn cc c tnh trn m hnh. Click chut gia kt

thc la chn

Click chn mt phng i xng.

Cch 3 : S dng chc nng File/ Mirror Part : Cho php to ra mt chi

tit mi c tnh cht i xng so vi m hnh gc

Click chn File / Mirror part

Click la chn kiu to hnh v

tn file trong hp thoi Mirror Part



2.3 Pattern

ng dng

To nhanh cc c tnh phn b di dng ma trn hng ct, dng phn

, hoc dng b tr trn mt ng cong bt k.

ng dn : Edit / Pattern

Thao tc :

Chn c tnh cn to

Chn Edit/ Pattern

Chn kiu to hnh :Dimension, Direction, axis, Fill hoc Table

Nhp cc thng s cn thit : Hng, khong cch, gc quay ,

Cc kiu to hnh v thng s to hnh

Dimension : S dng kch thc dn hng v to khong thay

i (theo mt hoc hai hng)

Direction : To i tng theo hng la chn xc nh (ma trn

hng ct )

Axis : To i tng quanh tm trc

Fill : Lp y mt vng theo cc khong cch thng qua mt li

im

Table : S dng bng kch thc



(Chn Pattern/ Table chn kch thc chn Table nhp ta

xc nh v tr cc i tng)

Curve : To i tng phn b dc theo ng cong

Chn i tng chn Pattern/ Curve chn ng cong nhp s

liu



3) ng dng v cc bi tp thc hnh 3.1 V d 1: Thit k

3.2 V d 2 : Thit k mu



Bi 4 : Xy dn vt th phc tp

1) c tnh ca lnh Sweep ng dng

Cc lnh Sweep cho php to khi bng cch thc hin chy mt bin

dng kn Sketch theo mt ng dn. Sketch c t ti im u ca

ng dn v vung gc vi tuyn tuyn ca ng cong ti im mt .

iu kin to hnh

To mt ng dn trc, sau chn tip mt bin dng qut Sketch. .

Sketch phi l cc i tng lin tc v ng vng kn

Thao tc

La chn Insert > Sweep > Protrusions, bng

Sweep traj xut hin cho php la chn mt ng dn c

trc (Select traj) hoc to mt ng dn trn mt phng

Sketch (Sketch traj)



ng dn (Trajectory) c th l ng ng kn

hoc m.

Khi la chn Sketch traj, s xut hin dng nhc

yu cu bn chn (hoc to) mt mt phng lm mt

Sketch to ng qut.

Nu Sketch l cc vng ng kn th sau khi thot khi mi

trng Sketch, s xut hin la chn Attributes xc nh kiu to

hnh ca tit din qut khi qut . C hai la chn Add Inn Fsc (Add

inner faces) v No Inn Fsc (No inner faces ). La chn Add Inn Fsc

ch i vi cc tit din h, v la chn No Inn Fsc ch i vi cc tit

din ng :



+ Khi la chn Select Traj s c cc la chn khc thc

hin la chn ng dn qut to khi :

One by one : chn ln lt tng i tng

Tangnt Chain : cc ng chui tip tuyn

Curve chain : cc ng cung cong

Bndry Chain : Cc ng bao ca b mt hoc

khi

Surf Chain : Cac ng b mt

Merge end : Ha lin thnh mt khi vi khi

mu sau khi thc hin lnh Sweep

Free end : To tit din qut lun vung gc vi ng qut



Thc hin chuyn i gia cc Sketcher bng chc nng chut

phi v chn Toggle section (gi chut khong 1 giy).

* To khi rng theo ng dn Thin Sweep Protrusion

La chn Insert > Sweep > Thin Protrusion

* Ct khi theo ng dn Sweep Cut

La chn Insert > Sweep > Cut (tng t nh khi ta chn

Extrude > Cut ) thc hin ct b khi theo ng dn



2) c tnh ca lnh Blend To khi qua cc tit din thay i ng dng

Lnh Blend c s dng to khi qua cc tit din khc nhau m

khng cn ng dn hng. M hnh to thnh lnh ny c th trn hoc

gp khc, ty theo s iu chnh v la chn ca ngi thit k

iu kin to hnh

Cc Sketch phi c s i tng bng nhau. V d, bn khng th to

c khi bng lnh Blend nu to mt tit din l hnh vung (bn i

tng )v mt tit din l hnh trn (mt i tng). to c, phi chia

ng trn thnh 4 phn th s thc hin c lnh Blend to khi

im u (Start Point) ca cc Sketch l gn nhau v c vecto ch hng

cng theo mt chiu quay xc nh. Chiu quay ny, thng c xc nh

ngay ti Sketch u tin.

Thao tc

Lnh Blend c hai dng : Protrusion v Cut; la chn t Insert >

Blend > Protrusion hoc Cut

Cc la chn ph :



Parallel : Cc tit din l song song vi nhau v cch nhau mt

khong cch xc nh trc. T

Blend OPTS , chn Parallel >

Regular Sec > Sketch Sec > Done,

s xut hin tip cc la chn :

Straight : Ni tt c cc tit

din li theo ng thng ( hnh

khi l khng trn ) (duong gap

khuc)

Smooth : Ni cc tit din

theo ng cong trn to s

mm mi cho khi (Theo duong Spline co cac control point la cac

StartPoint tai cac tiet dien)

Rotational : Quay cc tit din theo mt gc

quanh mt trc. i vi mi tit din s thit lp gc

khc nhau (Goc nho hon 900). Cc tit din c th

qut thnh khi kn (Close) hoc mt phn ca khi

kn (Open). to thnh khi kn, t nht phi c 3

tit din qut



Cch thc to Blend Rotational

La chn Rotational > RegularSec > Sketch Sec > Done ,

chn Smooth > Open > Done, chn mt phng to tit din

To tit din th nht v chn im t gc

To tit din th nht xong, tch gi chut phi (khong 1 giy) vo

im gc mi tn v la chn Pick From List, chn trong bng Pick

From List, chn v gi chut vo mt im t v chn Start Point

t im gc ca tit din

To tit din th hai v chn im t gc

Sau khi to xong tit din u, chn mt lnh thit k (v d : Line),

kch chut phi ln mn hnh (hoc ln i tng va to ) v chn



Toggle Section chuyn sang to tit din th hai. Thc hin tip tc

nh to tit din u ta s c cc tit din cn thit.

Sau khi to xong cc tit din, chn OK thot khi Sketch, chng

trnh yu cu nhp cc khong cch gia cc tit din. Nhp v chn

Preview xem th khi c to, ri chn OK chp nhn lnh

i vi lnh Blend, yu cu s cc i tng trn cc tit din

khc nhau l phi bng nhau. Tuy nhin vn c th s dng chc nng

Blend Vertex to khi khi c cc i tng trn tit din l khc

nhau. La chn Sketch > Feature Tools > Blend Vertex.

3) Sweep Blend To khi qua cc tit din thay i theo ng dn ng dng

Lnh Sweep Blend cho php ngi s dng c th s dng kt ni

cc tit din ct ngang khc nhau chy theo mt ng dn to thnh m

hnh khi hoc b mt.

iu kin to hnh

ng dn Trajactor phi c to trc (Duong dan co the la canh cua

cac doi tuong co san)

ng dn phi ct qua mt Sketch (khng c php song song vi

Sketch)



Cc Sketch phi c s lng i tng trong Sketch l nh nhau

im Start Point phi t gn nhau v c hng theo mt chiu quay xc

nh trc (theo hng ca Start Point trn Sketch u tin)

Thao tc

Chn lnh Insert / Sweep Blend

Click chn References v chn (hoc to ) ng dn hng

Origin Trajectory chn Details . Hp thoi Chain xut hin la

chn dng ng dn (theo hng php tuyn vi ng dn , hng

chiu hoc hng php tuyn khng i )

Click chn Section plane control Thit lp

Horizontal/Vertical control m Sections chn kiu tit din ct

ngang (Select section hoc Sketche section )

Click chn Tangency chn dng tip tuyn vi khi k bn

Click chn Option la chn phm vi iu khin

chn OK to khi (hoc b mt)



4) Variable Section Sweep To khi qua tit din theo nhiu ng dn khc nhau

ng dng

To m hnh bng cch qut mt tit din Sketche

theo nhiu ng dn khc nhau.

iu kin to hnh

Cc ng dn phi c to trc trong mi

trng Sketch (Duong dan co the la canh cua cac

doi tuong co san)

Sketch phi kn

Thao tc

Chn Insert/ Variable section Sweep

Click chn kiu to hnh dng khi hoc b mt chn ng

dn cho cc tit din thay i chn Option la chn kiu tit din

ct ngang Chn Reference : trajectory chn ng dn hng,

Section plane chn kiu tit din qut dc theo ng dn, chn

Hozirontal/ Vertical control chn mt ct ngang hay thng ng

chn Sketch to hoc chn bin dng mt qut.

Th d :



Bi 6: M hnh b mt

1) Base Cc chc nng to hnh c bn Cc chc nng xy dng m hnh b mt c bn c s dng tng t

nh chc nng to m hnh khi rn, s dng ngay chnh lnh to khi

khi to b mt (tch hp chc nng to b mt trong to khi cho ngi s

dng c th t la chn)

1.1 Extrude surfaces : Extrude surface c s dng to cc b mt trong khng gian 3D

tng t nh Extrude Solid.

Thao tc :

Chn Insert/ Extrude

Click chn kiu to l surface

Click chn Placement / Detail chn bin dng Sketch

Click to Sketch cho bin dng b mt

Click chn hng . OK kt thc lnh



Ch : Ch c cc Sketch kn mi c th s dng c Option/ Capped

Ends

1.2 Revolve surfaces :

Thao tc

Chn Insert/ Revolve

Click chn surface

Click chn Placement / Detail

Click to Sketch cho bin dng b mt

Click Axis v la chn trc quay

Click chn hng trong mc Option. OK kt thc lnh



1.3 Sweep surfaces :

Thao tc

Chn Insert/ Sweep/ Surface

Click chn ng dn Sweep Traj

Click chn Option/ Open End hoc Capped End.

Chn Done

To bin dng mt ct ngang . Click thot

khi Sketch

Click OK kt thc lnh

1.4 Blend surfaces :

Thao tc

Chn Insert/ Blend/ Surface

Click chn Option : Parallel, Regular, Sketch sec



To cc mt Sketch (tng t nh to Solid)

Nhp khong cch gia mt Sketch

Th d

Parallel

Rotation



1.5 Sweep Blend surfaces

Thao tc

Chn Insert/Sweep Blend / Surfaces

Click chn ng dn Origin traj

Click chn Section/ Sketch section/ section 1

/ click chn mt im t section trn ng

dn Origin / Sketch / to bin dng / Exit

Sketch

Click chn tip Insert / section 2. Tng t nh section 1

Click OK



Th d



1.6 Variable Section Sweep surfaces :

Thao tc

To nhiu ng dn trc

Chn Insert/ Variable Section Sweep / Surface

Chn cc ng dn Trajectory (gi Ctrl la chn nhiu ng

dn)

Click chn Sketch v to tit din mt qut OK

Th d

Thit lp thng thng



C thit lp ng dn theo ng tham s :

To Sketch l mt on thng 60x5



Thit lp quan h v chn OK to hnh

Gii thch :

Sd3 : kch thc chiu cao ca ng sin (gi tr 5 l gi tr bin )

Sd4 : Kch thc si ngang bin i theo hm Cos

Sin/Cos : chy theo ng hnh Sin (ng bn trong cnh hoa) hoc

Cos (ng bn ngoi cnh hoa)

360 : gc quay ca phng trnh ng sin/cos

6 : s cnh hoa

60 : Chiu di si ngang thit lp ban u

Trajpar: Phng trnh tham s theo ng dn hng (Trajactory

parameter)

1.7 Blending the boundaries surfaces :

ng dng

Un cong bin dng to mt

iu kin to hnh

Cc i tng ng phi giao nhau



Thao tc

Chn Insert/ Boundary Blend

Click chn ng dn ngang

Click chn ng dn dc

Th d



2) Mt s cng c x l b mt 2.1 Merge surfaces :

ng dng

Ha cc b mt n thnh mt mt

Thao tc

Chn cc b mt cn hp nht (t nht hai mt c lp)

Chon Edit/ Merge

Chn hng cn gi li mt v chn OK (hng mi tn l hng

ca phn b mt c gi li )

2.2 Extend surfaces

ng dng

Ko di mt b mt theo hng tip tuyn

Thao tc

Chn cnh ca b mt cn ko

Chn Edit/ Extend

Chn hng ko v nhp lng ko di.



2.3 Fill surfaces :

ng dng

To mt phng bng t vng bin dng Sketch kn

Thao tc

To bin dng bao ngoi ca b mt cn to

Chn Edit/ Fill / OK

2.4 Thicken surfaces

ng dng

To khi dng v t b mt

Thao tc

Click chn b mt cn to

Click chn Edit/ Thicken

Click chn hng to b dy, nhp b dy. OK



2.5 Solidify

ng dng

in y vng khng gian kn bao bi cc b mt thnh khi

Thao tc

Click chn cc b mt

Click chn Edit/ Solidify



2.6 Replace Surface

ng dng

Thay th b mt khi t mt b mt khc

Thao tc



Click chn b mt khi

Click Edit/ Offset .

Chn kiu Replace feature

Chn b mt ch

La chn Option / Keep Replace Quilt gi li b mt ch

(nu cn)

Th d

S dng chc nng Replace Offset Keep replace quilt

Chn b mt khi chn Offset chn chn b mt

offset,



2.7 Project

ng dng

To i tng l ng cong khng gian bng cch chiu mt i tng

ng cong khc ln mt b mt xc nh

Thao tc

Chn Edit/ Project Reference Project a Sketch hoc Chain

chn ng cong chiu chn b mt chiu xc nh hng

chiu OK



2.8 Wrap

ng dng

c tnh bin i hnh dng i tng ng cong, b mt hoc khi

Thao tc

Chn Edit / Wrap chn i tng gc chn i tng ch

OK

: Chn i tng ch

: Chn i tng gc



3) Advanced Mt s chc nng to hnh m rng Chn Insert / Advanced /

3.1 Pipe

ng dng

Chc nng to dng ng ng

Thao tc

Chn Insert / Advanced/ Pipe

Thit lp cc la chn trn Option chn cc thng s hnh hc

(ng knh ng, b dy thnh ng,) chn im nt ca ng ng

chn Done to hnh

Geometry : To ng ng dng khi c hoc dng thnh ng

No geometry : Ch hin th dng ng tm ng dn

Hollow : To chi tit ng c b dy thnh

Solid : To chi tit ng c

Constant Rad/ Multiple Rad : bn knh ng khng i hoc thay

i

3.2 Flattened Quilt



ng dng

Tri phng b mt cong

Thao tc

Chn b mt cn tri phng

Click chn lnh Insert/ Advance / Flattened Quilt

Chn im gc v xc nh hai hng tri ca b mt chn

kiu tham s lnh tri ch nh mt phng cn tri vo (hoc to mi

mt mt cha c) nhp mt li t 10 100 (Number of step 1 &

2 ) chn OK chp nhn

3.3 Blend Solid

ng dng



Sau khi thc hin lnh Flattened Quilt, c th s dng Bend Solid

tri phng cc ng cong khng gian hoc khi rn c b mt cong ln.

Thao tc

Chn Insert / Advanced/ Bend Solid Chn c tnh c thc

hin t Flattened Quilt chn Option la chn gia Flatten

Curves hoc Bend Solid OK

Flatten Curves : Thay i ng cong tham chiu ta t

ng cong khng gian gc sang ng cong phng

Bend Solid : Thay i b mt khi Solid cong ln t mt cong

phng sang dng cong khng gian gc ban u

3.4 Conic surface and N-sided patch :

Thao tc

Chn Insert/ Advanced/ Conic surface and N-sided patch

Chn Nside patch Done chn bin dng (6 cnh) thit

lp tnh cht tip tuyn cho mi cnh chn OK

giao trinh proe 5

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