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  • Trung Tm o To CADCAMCNCTECH Pro/E WF5.0

    Thi Hng ( cadcamcnctechnology@yahoo.com) 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

  • Trung Tm o To CADCAMCNCTECH Pro/E WF5.0

    Thi Hng ( cadcamcnctechnology@yahoo.com) Page 2

    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

  • Trung Tm o To CADCAMCNCTECH Pro/E WF5.0

    Thi Hng ( cadcamcnctechnology@yahoo.com) Page 3

    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

  • Trung Tm o To CADCAMCNCTECH Pro/E WF5.0

    Thi Hng ( cadcamcnctechnology@yahoo.com) Page 4

    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

  • Trung Tm o To CADCAMCNCTECH Pro/E WF5.0

    Thi Hng ( cadcamcnctechnology@yahoo.com) Page 5

    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

  • Trung Tm o To CADCAMCNCTECH Pro/E WF5.0

    Thi Hng ( cadcamcnctechnology@yahoo.com) Page 6

    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.

  • Trung Tm o To CADCAMCNCTECH Pro/E WF5.0

    Thi Hng ( cadcamcnctechnology@yahoo.com) Page 7

    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 chn biu tng

    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 chn biu tng

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

    im th ba xc nh hnh dng cung

  • Trung Tm o To CADCAMCNCTECH Pro/E WF5.0

    Thi Hng ( cadcamcnctechnology@yahoo.com) Page 8

    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

  • Trung Tm o To CADCAMCNCTECH Pro/E WF5.0

    Thi Hng ( cadcamcnctechnology@yahoo.com) Page 9

    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.

  • Trung Tm o To CADCAMCNCTECH Pro/E WF5.0

    Thi Hng ( cadcamcnctechnology@yahoo.com) Page 10

    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

  • Trung Tm o To CADCAMCNCTECH Pro/E WF5.0

    Thi Hng ( cadcamcnctechnology@yahoo.com) Page 11

    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.