Thiết kế CIMATRON

CHU*0NG I GIO THIEU VE CIMATRON ELITE 7.0Tren Destop kfch dup vao bilu tirgng Cimatron E dl ma : cimatronE7i Tren man hlnh Window se xuit hien : 1.1 Tao d6i t^ang m&i Kreh chon bilu tu’g

4.2 Offset

4.3 Fillet

4.4 Extend

4.5 Stitch

4.6 Unstitch

4.7 Skin

4.8 Split - Thuc hien chia b§ mat thanh cac b§ mat khac 4.9 Split silhouette

CHUONG V CAC HAM CO BAN VE TAO KHOl

5.1 New Extrude/ Add Extrude (^ )

5.2 Remove Extrude ®

5.3 New Revolve/Add Revolve ^

5.4 Remove Revolve ®

5.5 New Drive/Add Drive ^

5.6 Remove Drive :

5.7 Cac lenh h6 trg tao kh6i

5.7.1 Round - Ve tron canh ©

5.7.2 Round Face/ Face - Face

Remove & Extend 5.7.4 5.7.5 5.7.6 5.7.7 5.7.8 5.7.9 5.7.10 5.7.11 5.7.12 5.7.13 Chamfer-Vat canh kh6i

Taper-tao mat nghieng kh6i

Shell - Tao thanh mong cho kh6i ^

Divide - Chia khdi thanh cac phin tu rieng biet Cut - Clt kh6i bai kh6i ^

Merge - Hoa cac khdi dan thanh mot khdiLoft - Tao khdi qua cac bien dang khac nhau Skin (Solid / New / Skin) Hole - tao I6 I5

Tao ren - (Tool / Threads & Ejectors )

62 63

63

6 6 6 6 6 6

67

67

6 9 69 72 74 76 78 79 80 80 81 82

83 83 84 84 85 85

86

87 87

88

CHU*0NG I GIO THIEU VE CIMATRON ELITE 7.0

Tren Destop kfch dup vao bilu tirgng Cimatron E dl ma : cimatronE7i)

Tren man hlnh Window se xuit hien :

1.1 Tao d6i t^ang m&i

Kreh chon bilu tu’gng Newdocument tren thanh cong cu

hoac chon File/ New document

Hop thoai xuat hien :

Chuong I - Giai thieu Cimatron E7

Tu* menu tren chon Part va chon OK

1.2 Ma doi t^ang co san

chon bilu t^gng New Document hoac chon File/ New document

Hop thoai Cimatron E Explorer xuit hien :

i Documents

Chuong I - Giai thieu Cimatron E7

folder chon Add Folder.

1C object(s)

Rename "Getting Started' Delete

"Getting Started"

Reconnect Documents Pack to CTF File Pack to CTF & E-Mail Send to Mail Recipient

Thay d6i ten cho New folder :

Dong Cimatron E Explorer

D[ Environment +

jg NC

1.3 Moi tr^ang thiit k§

Moi truong Cimatron

Tren hlnh ve tren :

1 : Thanh Menu (Menu bar)

2 : Thanh bilu tugng cong cu (Toolbar icons)

3 : Cay Features

4: Vung hiln thj d6i tuang

Cac chuc nang cua chuot may tmh

Nut chuot trai dung dl Iga chon, bo Iga chon d6i tugng

Nut chuot gi&a dl kdt thuc :

+ Menu hoac Menu phu

+ Hoan thien mot hanh dong

Nut chuot phai dung dl dua ra Menu Iga chon

chuc nang ungvdi moi

I File Edit View Datum Curves Faces Solid MoldPesign Parting Electrode Catalog Took Analyze Window Help] t? X

D & b ^ s ei ^ & q * <§> e ® m & M0 © s? ■ & m y : <? ”

Wch ddng thdi nut chuot trai va gi&a co tac dung

bo hanh dong traac, taang tg nha Undo.

Kmh dong thai nut chuot trai va phai co tac dungdaa ra chac nang Selection Filter

Ket hop Mouse va Keyboard

Khi sti dung chuot vai nut Ctrl ta co cac chac nang sau : + Ctrl + Nut trai chuot co tac dung quay d6i tagng (Rotate) *£*

+ Ctrl + Nut giaa chuot co tac dung di chuyln d6i tirgng

(Pan)

+ Ctrl + Nut phai chuot co tac dung dl phong to thu

nho(Zoom) ^

Khi sti dung chuot vai nut Shift co cac chac nang sau :

+ Kich dOng thai nut Shift va nut trai chuot th! moi sg

lga chon d6i tagng trong Selection Filter se khong thl dagc

lga chon

+ Kmh dOng thai nut Shift va nut phai chuot thl mang

lai chac nang Selection Filter

Trong Cimatron hlnh dang cua chuot se dagc thay dli theo chac nang sti dung, nha bangdaai day :

1.6 Ch^c nang man hinh

Wch ddng thai nut chuot giaa va phai ta co bang lga chon sau xult hien :

Render Sr Transparency

ta co th! chon cac chac nang trong do

Cach khac la ta co th! lga chon cac bi!u tugng tren menu view/ ZPR :+ Zoom All : co gia trj khi chon bi!u tugng

+ Zoom Window : co gia trj khi chon bi!u tugng

Lga chon UCS

$ Lga chon ca chac nang Trong khi sg lga chon d6i tugng dugck!t thuc blng kich chuot giaa va dgi con tro thay ddi roi lgachon chac nang khac nhu tren D6i tugng bj In hoac li!n k! coth! dugc lga chon d! di chuy!n tdi vj trf con tro thich hgp

V Lga chon di!m cu6i cua mot duang cong hoac mot canh

y Lga chon di!m giaa cua doan thing, cung tron, Elip

‘fe Lga chon di!m tam cua du’ang thing, cung tron, Elip

V Lga chon di!m dong mot cung cong

Lga chon di!m dong mot mat phing

Lga chon di!m giao nhau

Lga chon dinh nhon

m Lga chon di!m Key In

Lga chon di!m tren man hinh

Lga chon bl mat

V Lga chon canh

V Lga chon daang cong Spline, line va cac daang cong khac.Lga chon cac daang cong composite

Lga chon sketch

+ Zoom Selection : co gia trj khi chon bilu tirgng ^ + Rotate by Angle Trong hop thoai tren chung ta co th! quay d6i t^gng bai mot goc xung quanh true X, Y, Z.

1.7 Loc d6i t^ang

Chu’c nang Selection Filter dugc thgc hien bing

each lga chon bieu tirgng ^

^ Lga chon toan bo

Bo sg lga chon

Add Mode lga chon tit ca d6i t^gng trong hop Remove

Mode unselects all entities within a box Visible

faces Only lga chon nhumg bi mat in Chon d6

t^gng chon bi mat

Chon sketches va chon du’ang cong Composites

Lga chon canh va cac du’ang cong

Lga chon di!m

Datum

Chon thanh phin

Lga chon bi!u tagng Selection Filter

Chon dai Sets.

[Housing

v lew Datum Curves File Edit View Datum Curves Faces

Special Hidea

n F anes and AXIS RenameDelete

d

Hide other Select Entities New set

sho w

Thiet ke va thay doi

Kich chuot phai vao trong dai sets chon New

sets

Mot Set co th! d^gc tao ra blng each chon By

Selection hoac by Criteria :

Sets - Create and Edit

Set Name

By Selection

Sets - Create and Edit

Set Name Set Type I By CriteriaCriteria

group

U Q or:

Entity Type Set s Line Style:

Line

Width Sub- CategoryDisplay all criteria groups

V^ du ve

Sets

Wch dup vao M-View 1.

Kich dup vao M-View 2

CHUONG II SKETCH

Sketcher la moi truang 66 hoa, sti dung Cimatron E 6! thiit ki cac 66i tuo’ng hlnhhoc 2D Cac 66i tugng nay co th! 6ugc sti dung 6! tao ra cac 66i tugng khac (mat, kh6i)hoac sti dung trong m6i truo’ng NC Sketcher rit manh, cac cong cu thiit ki giup chung ta

co th! thiit ki, thay 66i trong m6i quan he vai nhau

Sti dung moi trua’ng sketcher chung ta co th! tao :

- Thiit ki cac 66i tugng hlnh hoc

- Djnh nghTa Mch thuac 66i tugng (Dimension)

- Thay 66i 66i tugng

- Them cac ring buoc vai 66i tugng

- Ghi cac 66i tugng hlnh hoc ban 6a tao ra (Export)

Tai cac 66i tugng hlnh hoc 6a ghi (Import)

: Tao cung tron.

: Tao duang cong Spline

: Tao dilm

: Tao dilm d6i xdng

: Tao duang cong Offset

: Tao goc lugn hoac goc vat

: Bang lga chon cac ylu t6 ring buoc nhanh

: Tao cac ring buoc d6i tugng vdi d6i tugng khac, truc X, Y.: Ghi kich thudc

: Tao duang tam thai

: Them d6i tugng

: Them d6i tugng chi din tham khao

: Xoa d6i tugng

: Ma General Toolbar :: Update (Nlu Manual Preview dugc lga chon, Mch chonbilu tugng Update se thay ddi sketch theo kteh thudc).: Automatic va Manual Preview

: Import

: Export

: Chi ra nhdng dilm khong trung khM: vdi nhau

Xoa bo cac ring buoc.

: Thay d6i mat phing sketch

: Thay d6i djnh haang cua sketch

: Kit thuc sketch

2.1 Doan thang (Line) :

Dl thi!t k! doan thing ta co 2 each:

1 - Free : kich thudc doan thing taothanh tuy theo su lua chon

2 - Dimension : cho phep xac djnh trudc do dai doan thing, sau do xac djnh cac ring buoc dli vai doan thing

* Tao dudng thing tu cac diim :

Chon bilu tirgng Line

Chon ch! do Free Wch chuot

chon dilm thd nhlt, dilm thd 2, , dilm thd 4

* Tao dudng thing song

song (Parallel) :

Chon bilu tirgng Line

Kich chuot phai chon Parallel

chon doan thing cln tao dudng

song song rli xac djnh vj tri

doan thing dugc tao thanh

* Tao du’dng thing true giao

:

Chon Line

Kich chuot phai chon Normal

Chon vj trf du’dng thing truc

giao tao thanh trln dudng

thing cho trudc :

* Tao dudng thing tiep tuyen:

Chon Line

Chon dilm glc doan thing

Kich chuot phai chon Tangent.Chon dudng tron cln tao ti!p tuy!n

2.2 Hinh hop (Box)

* Free Mode :

Chon bilu tugng Box

Chon ch! do Free (mac djnh) Chongoc thd nhlt hinh hop Di chuylnchuot chon goc dli dien

Chon bi!u tu’gng Box.

Chon chi do Dimension

Nhap cac thong s6 cua hinh hop : Chon vj tri hlnh hop (Tam hlnh hop)

2.3 D^ang tron (circle) :

D! thilt kl d^dng tron co 2 chi do :

- Free : kich thu’dc d^dng tron phuthuoc vao sg lga chon

- Dimension : kich th^dc d^dng trondugc djnh trudc

* Tao duong tron bang

each chon tam va mo

diim tren duong tron

Chon bi!u tu’gng Circle

Kich chuot phai chon Center

Chon di!m tren man hlnh lamtam, chon di!m thd 2 d! tao thanhdu’dng tron

* Tao duong tron bang each chon diem tren duong tron, sau do chon tam.

Chon bilu tu’gng Circle

Kich chuot phai chon Pt

Kich mot di!m tren man

hlnh, sau do chon di!m

thd 2 lam tam d! xac djnh

dudng tron

* Tao duong tron tiep

tuyen voi mot

va chon tam.

Chon bi!u tu’gng Circle

Wch chuot phai chon Tangent, chon mot di!m tren d^dng thing cho tru’dc

Chon di!m lam tam d^dng tron

* Tao du’dng tron co cung d^dng kmh vdi du’dng tron cho tru’dc

Chon bi!u tugng Circle.

Kmh chuot phai chon Diameter

Chon duang tron cho truac va chon vj tr^ d! tao duang tron mai

Chon bi!u tugng Ellipse

Kmh chuot phai chon Center

Chon vj tri tam duang Ellipse

Chon 1 di!m xac djnh truc thu nhit cua Ellipse Chon di!m

tilp theo d! chon truc thu 2 cua Ellipse

* Chon diim truoc (Point) :

Chon bi!u tugng Ellipse

Kich chuot phai chon Pt (point)

Kich di!m tren man hlnh tron truc thu nhit

Kmh di!m tren man hlnh chon tam ellipse

Kich di!m tren man hlnh chon truc thu 2

* Chon dilm trade (points):

Klch chon bilu tirgng Arc : 0

Klch chuot phai chon Pt (point):

Chon diim thd nhit

Chon di!m thu 2

Chon di!m thu 3 1

1 Chon tam truac :

Kich chuot chon bi!u tugng Arc

Kmh chuot phai chon Center

Kich chuot chon di!m lam tam

Kmh chuot chon di!m thu 2.

Chuomg II - Sketcher

di chuyln chuot tren duang tron tao thanh dl chon

dilm thd 3 dl xac djnh cung tron

* Tao cung tron tidp tuydn vdi mot duang thing :

Wch chuot chon bilu tugng Arc

Wch chuot phai chon Tangent

Wch chuot chon duang thing, Mch chuot chon dilm

xac djnh duang tron

Kich chuot chon dilm thd 2 xac djnh cung tron

* Tao cung tron co cung du’ang kmh vdi cung trc

cho trudc

Chon bilu tugng Arc

Wch chuot phai chon Diameter

Chon cung tron cho trudc

Kich chuot phai chon Center

2.6 Tao d^ang cong Spline

Chon bilu tu’gng Spline

Wch chuot chon dilm th^ nhit

Kich chuot chon dilm th^ 2

Kich chuot chon dilm th^ 3

Wch chuot chon dilm th^ 4

Chon bilu tu’gng Symmetry :

Ve d^dng ddi x^ng :

Chuomg II - Sketcher

Chon bi!u tugng circle Ve dudng tron.

2.8 Tao doi tu’O’ng chi dan tham khao (Add reference entities) 3^

Add Reference giup ban co kha nang chi!u mot d6i tugng tren mat phlng khac hoacban ve sketch khac len mat phlng thi!t k! hien hanh nhu mot d6i tugng chi din thamkhao (Reference entities) B6i tugng do dugc sd dung d! xac djnh vj trf d6i tugng trenmat phlng thi!t k! hien hanh

B6i tugng chi din tham khao (Reference Entities) chi xult hien khi thgc hien trongmoi trudng sketcher, con khi k!t thuc sketch thi d6i tugng do se bi!n mlt

Cac budc tom tit d! thgc hien :

+ Chon mat phlng

+ Md ch! do sketch

+ Td thanh cong cu sketcher chon Add Reference

Chon d6i tugng B6i tugng dugc Iga chon dugc chi!u len tren mat phlng thi!t k! nhu

d i tugng tam thai (Construction Geometry), no dugc sd dung d! xac djnh vj trf va

kteh thdc cua d6i tugng tren ban ve

Co th! huy bo sg Iga chon blng cach chon chdc nang Undo

K!t thuc qua trlnh blng cach chon chuot gida

Tg dong tao d6i tugng chi din tham khao (Automatic Reference Entities):

* Tao d6i tu’gng (Entities Creation ) :

Co th! djnh nghTa cac d6i tugng dugc Iga chon tren ban ve mot cach tg dong

Chon mat phing.

M6 ch! 60 sketch

Chon 66i tugng Trong truang hgp nay,

6i!m 6lu va 6i!m cu6i cua 6oan thing se

tg 6ong 6ugc xac 6jnh tren mat phing

thi!t k!

Co th! tao them cac ring buoc vai 66i tugng ben ngoai B6i tugng ben ngoai 6ugc tao

ra tren mat phing chi din tham khao (Reference Plane) nhu 6oan thing tam thai theonhu ring buoc mai 6ugc tao ra

Chon mat phing

Ma ch! 60 sketch

Chon 66i tugng Trong truang hgp nay, 6uang thing 6ugc tao thanh co ring buoc lasong song vai 6uang thing ben ngoai mat phing thi!t k!

2.9 Them cac d6i t^ang hinh hoc cho chi tilt va cum chi

Chac nang Automatic Reference khong 6ugc lga chon

mot cach mac 6jnh ma phai 6ugc lga chon trong

Contraint Filter 6! lam viec tren mat phing rieng biet

Chuong II - Sketcher

tiet ( Add Geometry for Part/ Assembly)

Add Geometry S'11giup ban co thl chilu d6i tirgng td mat phlng khac hoac tren ban

ve sketch khac len tren mat phlng thiit ki hien hanh

Khi sd dung Add Geometry d6i tugng dugc tao thanh se co vai tro nhu cac d6i tugnghlnh hoc tren ban ve No vin hien hanh tren ban ve khac vdi d6i tugng chi din thamkhao (Reference Entities) khi kit thuc sketch

Cac budc thgc hien :

Lga chon mat phlng

Md chi do sketch

Chon Add Geometry Sau do chon nut Intersect hoac Project :

+ Chon Intersect : Tao dilm la giao tuyin gida dudng thing va mat phlng dugc lu>a

chon 1

1 Ghi kich thu&c dai cua doi tuong :

- Kmh thudc doan thing

- Kmh thudc dudng tron

+ Chon Project : tao d6i tugng dugng chiiu td dudng thing

dugc lga chon len mat phing

2.10 Xac djnh kich th^ac cho doi t^ang

Chuong II - Sketcher

- Khoang each giaa 2 daang thing song song.

- Khoang each giaa dilm va daang thing

- Khoang each giaa daang thing va daang tron/ cung tron

- Khoang cach giaa 2 daang tron hoac cung tron

- Khoang cach giaa 2 dilm, song song vai daang thing cho traac

- Khoang cach giaa 2 cung tron hoac daang tron, song song vai daang

thing cho traac

* Ghi kch thu&c goc :

- Goc giaa 2 daang thing

- Goc giaa 3 dilm

- Goc giaa daang thing vai truc toa do doc hoac ngang

2.11 Thay ddi d6i t^ang (Edit)

* Lu*a chon biiu tuong ^ di co thi thuc hien :

- Di chuyln mot dilm

- Di chuyln doan thing

- Thay dli kteh thaac doan thing

- Di chuyln daang tron/ Cung tron/ Ellipse

- Thay dli kich thaac daang tron/ cung tron/ Ellipse

- Di chuyln daang cong Spline

- Di chuyln cac dilm tren daang cong spline

- Thay dli do d6c a dilm cu6i cua daang cong spline

- Pha va sa ring buoc vai cac d6i tagng dang tin tai

- Thay dli kteh thaac sa dung hop thoai Dimension

- Thay dli kteh thaac bing cach keo

- Di chuyln vj tri cua kteh thaac

2.12 Them cac rang buoc (Add Constraint)

* Cac biiu tagng tren thanh cong cu Add Constraint

— : ring buoc theo phaang ngang

- Kmh thudc cung tron

* Ghi kich thu&c dai giua cac doi tuong:

- Khoang cach gida 2 dilm

| : ring buoc theo phaang thing dang.

^ : ring buoc song song

± : ring buoc vuong goc

O : ring buoc tilp tuyln

: ring buoc ding tam

: tao gia trj gi6ng nhau

: tao su trung khap

: tao su thing hang giua cac dilm theo phuang ngang : tao su thing hang giua

cac dilm theo phuang thing dung

: Thay ddi do d6c cua dudng spline Co thl thay ddi dudng cong tai cac diu mut hoic taothem cac ring buoc

* Ring buoc dudng thing :

- Tao 1 hoic nhiiu dudng thing song song vai phuang ngang

- Tao 1 hoic nhiiu dudng thing song song vai phuang thing dung

- Tao 1 hoic nhiiu dudng thing song song vai mot dudng thing khac

- Tao dudng thing vuong goc vai dudng thing khac

- Tao mot hoic nhiiu dudng thing co cung do dai vai dudng thing khac

- Tao mot hoic nhiiu dudng thing trung khap vai mot dudng thing

- Tao mot dilm tren dudng thing trung khap vai dudng thing khac

- Tao dudng thing tiip tuyin vai dudng tron/ cung tron

* Ring buoc dudng tron/ cung tron/ ellipse :

- Tao mot dudng tron/ cung tron/ ellipse trung khap vai dudng tron/ cung tron/ ellipse khac

- Tao mot dudng tron/ cung tron co cung kich thuac vai dudng tron/ cung tron khac

- Tao dudng tron/ cung tron/ ellipse tiip xuc vai nhau

* Ring buoc dilm :

- Tao dilm trung khap vai dilm khac

- Xip xip cac dilm theo phuang ngang va phuang thing dung vai cac dilm khac

* Ring buoc dudng cong spline - do d6c :

- Thay ddi do d6c tai dilm cu6i cua dudng cong spline

Chuong II - Sketcher

CHU'ONG III DU^NG CONG

* Tao cac duang cong 2D hoac 3D tu* 2 hoac nhilu duang cong (duang thing,

spline, cac canh, )

* Cac chuc nang (option) khi tao duang cong composite :

- Chain : Sau khi chon duang cong thu nhlt, thu 2 th! huang di hgp logic se theohuang di bit buoc dugc lga chon

- One by One : duang cong composite duang tao ra theo cac duang cong dugc lgachon

- Along Open Edges : Huang tao thanh cua duang cong

composite se theo huang cua cac canh ma

- Faces Outer Boundary : duang cong composite duang

tao thanh la duang bao ben ngoai cua cua bl mat dugc

lga chon

Chon Curve/ Composite tren thanh cong cu

Chon chuc nang Along Open Edges

Chon duang cong thu nhlt va duang cong thu hai

Chon Ok

Tao b&i 2 diim (Two points) :

Tao duang thing, chudi duang thing blng cach chon cac diim :

Sau khi chon dilm thu 3, ta phai chon hop thoai Open/ Close :

Open Chain

Closed Chain

Chon Ok hoac Apply

Kich chon dqang cong (hoac canh), sau do chon hop thoai de chon Normal hoacAngent Thong thu’ang trong hop thoai se mac djnh la Normal

Chon du’ang cong thu 2, sau do chung ta co thl Mch chon Normal hoac Tangent

Chon OK hoac Apply

Tu> diim toi duong cong/ be mat (Point to curve/ face) :

Kich chon dilm

Kich chon dqang cong, sau do Mch hop lqa chon Normal hoac Tangent

Chuomg III - Burqng cong CURVE

* Curve/ Edges :Kich chon dqang cong hoac canh :

Kich chon mot dilm tren dqang cong hoac canh :

Kich chon Normal hoac Tangent, Norma se dqgc mac djnh trqac

Wch vao mui ten dl chon hu’ang, sau do thay d6i chilu dai doan thing : Chon Ok hoacApply

* Face (Normal) :

Chon bl mat

Wch chon mot dilm tren dqang cong hoac canh

Chon hu’ang du’ang thing blng each Mch chon mui ten, sau do nhap do dai doan thing :Chon OK hoac Apply

* Face (Tangent) :

Kich chon bl mat

Kich chon mot dilm tren bl mat :

Chon hu’ang du’ang thing tao thanh va nhap do dai cua doan thing :Chon chac nangTangent, sau do chon Cross - section hoac Section :

Chon Ok hoac Apply

By direction

Kmh chon dilm g6c cua duang thing Nhap gia trj do dai

vdi do dai khac nhau nhu dudi day :

to Plane/Face Along Line/Axis Along UCS Axis

Along X

Along V Along

Z Plane &

Angle Two Points Cylindrical/Conic Center By Angle

Chon bieu tu’gng Define Slope

* Chon chuc nang Free :

* Chon chu’c nang Constant :

Chon Ok hoac Apply

Control Points :

Lga chon cac dilm Nhap gia trj tai cac dilm

Chon mot dilm g6c va tao Fixed and Linear :

Chon OK

* Cac thong s6 cua

dqang xoin vft (Helix) :

+ Pitch : khoang each giqa cac vong

+ Height : Ting chiiu cao cua du’ang xoin vrt

+ Base Radius : ban kmh tai dilm bit diu

+ Upper Radius : ban kmh tai dilm kit thuc

Nhap cac thong s6 va chon OK

mat

* Edges:

Chon bi mat, kmh chuot giqa dl chip nhan lu>a chon

Chon chum nang Edges, chon OK.

Chon chqc nang Displaye curve

Chon Ok

* By Pick :

Chon bi mat, kich chuot giqa d! chip nhin lqa chon, by pick