Huong dan co ban solidwork2008

HC VIN PHNG KHNG - KHNG QUN

PHNG KHOA HC CNG NGH - MI TRNG

Ti liu hc tp

Phn mm thit k t ng 3D SolidWorks

Bin son: Nguyn Anh Cng Trung tm CNTT

H Ni 2008

LI NI U

Trong xu th hi nhp nn kinh t th gii ca Vit Nam, cc chng trnh t ng ho thit k v ang ng gp mt cch tch cc cho vic nng cao cht lng sn phm, rt ngn qu trnh sn xut, khng nh v nng cao sc cnh tranh cng danh ting ca doanh nghip trn th trng trong cng nh ngoi nc.

Trong nhm cc phn mm t ng ho thit k 3D(trong khng gian 3 chiu) ph bin, phn mm SolidWorks v ang khng nh v tr vng chc dn u th gii, l phn mm th hin t duy thit k v cng ngh lp trnh mi. SolidWorks l mt cng c c lc cho vic thit k t ng cc vt th 3 chiu (3D), gip cho cc k s t th hin cc tng sng to ca mnh trong thit k mt cch trc quan ti a ngay trn chi tit 3D m lc u khng quan tm n kch thc c th ca chi tit, nhanh chng th hin chi tit thit k thnh bn v k thut truyn thng (2D), thit k to khun, to mu cho lnh vc c mt cch nhanh chng t cc chi tit c thit k. SolidWorks ni ln vi cc u im sau:

- To m hnh thit k thun tu khng gian 3 chiu vi giao din d nm bt v s dng; - Tnh chuyn nghip cao, c th qun l cc b phn lp rp ln n hng chc nghn chi tit; - m bo tnh ni kt 2 chiu: ton b bn v sn xut s c cp nht khi thay i m hnh

v ngc li; - Th vin cc chi tit lm sn phong ph vi tnh nng lp rp thng minh; - Kh nng m phng chuyn ng, pht hin xung t; - Kh nng thit k cc chi tit dng ng ng, tm mng hay chi tit dng v mng, thit k

khun c, v.v.... Trong khun kh gio n ny chng ti tp trung gii thiu v hng dn s dng phn mm

thit k t ng SolidWorks phin bn mi nht: SolidWorks 2008. Ti liu gm 10 chng gii thiu phn c bn. i vi cc hc vin ln u lm quen vi phn mm thit k cn tp trung nm vng cc chng 1,2, 3, 4, 5, 7 v 8, sau tip tc nghin cu v thc hnh cc ni dung cn li.

Gio n ny thch hp cho k s, k thut vin tt nghip ngnh c kh ch to my v cc ngnh k thut khc lm vic trong lnh vc nghin cu thit k, ng thi l ti liu tham kho cho cc sinh vin cc ngnh k thut ni chung.

Rt mong s ph bnh ng gp, mi kin ng gp xin gi v: Trung tm Cng ngh Thng tin - Hc vin Phng khng Khng qun in thoi 069.592.891 hoc Email: [email protected] Xin chn thnh cm n!

Bin son Nguyn Anh Cng 0988.529.310 [email protected]

Trung tm CNTT - Hc vin Phng Khng - Khng Qun Trang 3


Chng 1. KHI QUT CHUNG V THIT K TRONG SOLIDWORKS

Chng ny gii thiu chung v phn mm SolidWorks v gip hc vin nm c giao din ca Solidworks v cch thit lp mi trng phc tho bn v trong SolidWorks.

Ni dung chng ny gm

1.1. Gii thiu v SolidWorks 1.2. Bt u vi SolidWorks 1.3. M mt file c sn

1.4. Mi trng phc tho trong SolidWorks

1.5. Gii thiu mt s biu tng SolidWorks

1.6. Cc thanh cng c

1.7. t ch li trong mi trng v phc tho

1.8.Bng phm tt thao tc nhanh mt s lnh

1.9. Nhp/xut ti liu SolidWorks

1.10. t ch cho h thng

1.11. t cc thuc tnh cho bn v

1.12. B sung cc nt lnh cho cc thanh cng c:

Thit k t ng bng SolidWork

1.1. Gii thiu v SolidWorks

SolidWorks s dng giao din ho ca Microsoft Windows, Solidworks da trn c s ngui dng quen lm vic trong mi trng Windows.

1.1. 1. Cc nguyn tc thit k trong Solidworks

S dng Solidworks c th to cc chi tit 3 chiu, sau c th s dng cc chi tit ny to cc khi lp ghp v cc bn v 2 chiu.

Solidworks - l h thng lm vic theo nguyn tc cho kch thc, tc l lc

u v phc sau cho kch thuc v cc mi lin h gia cc phn t. Khi thay i cc kch thc th kch thc v hnh dng ca chi tit cng thay i nhng vn gi tnh cht chung, V d nh trong chi tit biu din di y chiu cao hnh hp trn lun bng na chiu cao hnh hp di (Xem hnh 1.2) trang sau.

thc hin c iu ny, khi v xong ngi ta phi thm cc rng buc. Vic thm rng buc gip cho Solidwork hiu c mi quan h gia chi tit ch ng v chi tit ph thuc (b ng) da trn nguyn tc:

Rng buc tri ni phi theo rng buc c nh. Rng buc sau phi theo rng buc trc. Khng th thay i, b sung nhng rng buc m ph v rng buc trc . Chnh v vy, trong trng hp khng b sung c rng buc, phi xa rng

buc trc mi thc hin c vic b sung ny.

Trao i hi p trn Din n Khoa hc K thut v Cng ngh Thng tin http://khkt.net



Hnh 1.2.

M hnh SolidWorks 3 chiu gm c 3 loi tp khc nhau: tp chi tit, khi lp ghp c to t cc tp chi tit v cui cng l bn v k thut 2 chiu. Cc chi tit, khi lp ghp v bn v biu din cng mt vt th trong cc ti liu khc nhau (c lu gi trong cc tp c ui khc nhau). Bt k mt thay i no i vi vt th c a vo mt ti liu u c pht trin ra cc ti liu khc cha vt th .

a s cc hnh khi (hnh tit) c xy dng t nhng phc tho (ho tit) 2D. Mt ho tit l mt mt ct 2D. Sau cc hnh tit uc to ra bng cc cng c chun nh dng ng, khot, quay trn, ko dn cc ho tit hoc dch chuyn theo cc ng dn. v.v...

Ha tit

Ha tit ko dn 10mm

Hnh 1.3

S dng cc hnh tit to cc chi tit. Cc hnh tit c th l mt hnh c th (hnh li, khot, l khoan) hay l cc thao tc (v trn, vt gc, v.v...) t hp li to ra cc chi tit.

Mt hnh 3D bt k phi tm c cch chia nh ra cc thnh phn sau v tng phn mt. Vic v ny c th dng la chn Merge (Hp nht) to thnh khi lin vi khi to trc .

Chi tit v khi thng khng c c s chng cho (giao nhau khi to khi) nu khng s b li contour.


1.1.2.Cc thut ng trong SolidWorks

Ca s ti liu: Ca s ti liu trong SolidWorks cha 2 phn: Trong phn bn tri gm:

Qun l cy cu trc ti liu (Feature Manager): biu din cu trc ca chi tit, bn v lp, bn v k thut.

Qun l tnh cht (Property Manager) bo m cc phng php h tr cho vic to cc ho tit, hnh tit v cc mi quan h vi cc ph lc ca SOLIDWORKS.

Qun l cc cu hnh (Configuration Manager) dng to, chn v xem qua cc cu hnh khc nhau ca chi tit, bn lp trong ti liu

Bn phi l vng ho trong c th thc hin cc lnh khc nhau i vi chi tit, bn lp v bn v k thut

Hnh 1.5

Cc thut ng chung trong cc m hnh Ngi dng cn lm quen vi cc thut ng thng dng trong cc ti liu

ca SolidWorks sau:




Cc du ch hng pht trin: Cc du cho php dch chuyn ng v cho mt s cc thng s, khng ri khi vng ho. Cc du tch cc c mu vng, cc du khng tch cc c mu ghi.

Hnh 1.7

Tuy nhin tt c cc thng s u cho trong phn qun l tnh cht (phn bn tri ca s) nm cc lnh uc tt hn. Khi thnh tho cc lnh c th thc hnh dng cc du ch hng i hoc thm chiu pht trin. Khi b sung thm la chn SolidWork t ng nm tnh hung m yu cu thm nhng thng tin cn thit gip cho vic v c hon thin.

Cc thanh dng c: Cc biu tung trn cc thanh dng c cho php truy cp n cc lnh thng

dng mt cch nhanh chng. Mt s thanh dng c lun lun c hin ra; mt s

Thit k t ng bng SolidWork khc t ng m ra khi m ti liu dng tng ng.Th d khi m mt ti liu khi lp ghp thanh dng c sau t ng xut hin

bt tt cc thanh dng c chn View/Toolbar...hoc thanh cng c

no . Khi xut hin danh sch tt c cc thanh cng c. Chn thanh cng c cn bt tt bng cch nh du vo tn thanh dng c.

1.2. Bt u vi SolidWorks Mn hnh khi ng SolidWorks 2007 c dng nh hnh 1.8

Hnh 1.8

bt u vi mt bn thit k bn c th m mt bn v mi bng cch nhn t hp phm Ctrl+N hay menu File\New hoc t thanh cng c biu

tng . Khi ca s New SolidWorks Document s hin ra nh hnh 1.9 cho php bn c th la chn:

- Part: thit k cc bn v chi tit dng 3D, cc file ny c phn m rng *.sldprt.

- Assembly: Sau khi c cc bn v chi tit bn c th chon Assembly lp ghp cc chi tit thnh cm chi tit hay thnh mt c cu hay my hon chnh cc file ny c phn m rng *.sldasm.

- Drawing: Khi c bn v chi tit hoc bn v lp thi ta chn Drawing biu din cc hnh chiu, mt ct t cc bn v chi tit hay bn v lp c trn cc file ny c phn m rng *.slddrw.




Hnh 1.9

Sau y l cc tu chn:

* Chn Part: thit k cc chi tit dng 3D. Trc ht bn phi c cc mt phng v phc tho, thng thng SolidWorks mc nh chn mt Front lm mt v phc tho. Tu vo kt cu ca cc chi tit thit k m ta to ra cc mt phc tho khc nhau vn ny s c trnh by k chng 2, 3, 4. y bt u v

phc tho bn cn ra lnh v bng cch biu tng trn thanh cng c Sketch hoc chn menu Iinsert\Sketch. Khi mn hnh giao din c dng nh hnh 1.10. Vi la chn ny bn c th thit k cc chi tit phc tp bng cc lnh trnh by cc chng 3, 4, 5.

Vic chn mt phng v phc tho rt quan trng. N quyt nh n hiu sut cng vic. Trong trng hp v xut pht t b mt cong, th vic to mt phng phi c cn nhc pht trin cc khi c thun li nht.

T mi mt phng, bn c th thc hin v 1 hay nhiu phc tho. Mi phc tho s lm cn c xy dng 1 khi. Tuy nhin nu v ch 1 khi cng cn xem xt tng trng hp c th chn cho ng, c khi ch cn 1 phc tho l , nhng nhiu trng hp ta vn phi v thm cc phc tho khc h tr.

T cc phc tho mun pht trin thnh cc khi, tm... th cc phc tho ny phi iu kin pht trin thnh khi tm . Mt trong nhng d liu thng tin m bn b sung khng hp l th s pht trin thnh khi cn v cng khng thc hin c.

Vic ly cc bn v phc tho t phn mm khc, cn c vo bng nhp xut bit chi tit. Thng thng v bng SolidWorks nhanh hn rt nhiu.

Nu xc nh tt hnh phc tho, cng vic s gim rt nhiu cng sc ca bn.


Hnh 1.10

* Chn Assembly: Trc bn phi c cc bn v chi tit ca cc chi tit cn lp. V d mun c cm chi tit nh hnh 1.11, trc ht ta phi c bn v cc chi tit trc, cnh bm, bnh rng, cht. Mi chi tit l mt file

Hnh 1.11

Cc bc thc hin lp ghp nh sau:

1. M mt Assembly. Bng cch biu tng Assembly (trn hnh 1.9). 2. ng thi m cc bn v chi tit (nh v d trn ta phi m 4 bn v chi tit).




Hnh 1.12.

3. Chn menu Window/Tile Horizontall (hoc Tile Vertically) ta s c hnh nh hnh 1.12

4. (trc tip vo cc chi tit) t bn v chi tit sang bn v lp nh hnh 1.12

Cc bc tip theo xem tip chng 7. chng ny ch gii thiu cch bt u vi mt bn v lp.

* Chn Drawing: Trc bn phi c cc bn v chi tit ca cc chi tit hoc cm chi tit. V d nh cm chi tit nh hnh 1.13.

Hnh 1.13

Cc bc thc hin nh sau:

1. M mt bn v Drawing, cch m nh trnh by trn.

2. M bn v chi tit hoc cm chi tit cn to bn v k thut 2D.

3. menu Window\Tile Horizontally hoc (Tile Vertically) ta s c hnh nh hnh 1.14

Thit k t ng bng SolidWork 4. biu tng trn bn v lp hoc bn v chi tit chuyn sang bn v

Drawing ta c hnh 1.15 y ch gii thiu bc u cn c th s c trnh by trong chng 8 ca ti liu.

Hnh 1.14

Hnh 1.15

1.3. M mt file c sn

Chy chng trnh SolidWorks bn nt Open hoc t menu File\Open hoc t hp phm Ctrl+O hp thoi Open xut hin nh hnh 1.16 di y.




Hnh 1.16

Trong : Look in: ng dn th mc lu bn v. Files of type: Cc kiu ui m rng ca SolidWorks thng thng mc nh

3 kiu (bn v chi tit, bn v lp, bn v k thut) vi cc ui tng ng (*.sldprt, *.sldasm, *.slddrw).

1.4. Mi trng phc tho trong SolidWorks Phc tho l bc u tin thit k cc m hnh, cc chi tit my.Chng

c thc hin trn cc mt phng (thng l cc bin dng ca chi tit), tu vo phc tp hnh hc ca cc chi tit khc nhau m ng vi mi chi tit ngi thit k phi to cc mt v phc tho khc nhau. Thng thng SolidWorks mc nh mt v phc tho l mt Front v thng c cc mt Top, Right. Ba mt l vi cc chi tit n gin. i vi cc chi tit phc tp, v d cc mt xon vt th khi thit k phi thm mt s mt v phc tho ph tr c to t lnh Plane s c trnh by chng 6 ca ti liu. V d nh hnh 1.17. a di y l cc Profiles bin dng, cn hnh 1.17.b l chi tit c to t cc bin dng trn

a) b)

Profiles bin dng Hnh 1.17


1.5. Gii thiu mt s biu tng SolidWorks

Khi lm vic vi SolidWorks bn cn ch ti biu tng gc phi trn ca vng ho thc hin lnh (Ok, Cancel, Exit Sketch) v mt s k hiu hnh 1.18 di y.

Hnh 1.18

Trong qu trnh thao tc nu lnh no cha c r rng mun c Help bn biu tng Help nh trn. SolidWorks s cho php c ngay thuc tnh v c v d ca lnh . 1.6. Cc thanh cng c

Trong cc phn mm Windows ni chung v SolidWorks ni ring cn rt nhiu thanh cng c thng dng khc. bt tt cc thanh cng c khc chn View/Toolbars/(Chn thanh cng c cn thit).

Sau y chng ti gii thiu mt s thanh cng c lin quan n ch quan st m hnh ca SolidWorks: Thanh Standard View v thanh View 1.6.1.Thanh Standard View

Chiu v mt hin ang lm vic

Mt chiu ng ca i tng

Nhn t mt sau ca i tng

Mt chiu cnh ca i tng

Mt chiu cnh nhn t bn phi

Mt chiu bng ca i tng

Mt chiu bng nhn t pha di

3 dng phi cnh

Hin hp thoi chn hng nhn.

quan st cng mt chi tit cc gc nhn khc nhau trn cng mn hnh c th lm nh sau. Chn menu Window\Viewport\....(chn 1, 2, 3 hay 4 view).




Hnh 1.19

Nu chn Four View ta c 4 hnh chiu khc nhau ca vt nh hnh 1.20.

Hnh 1.20

Nu mun quan st nhiu chi tit trn cng mn hnh th ta m tt c cc chi tit cn quan st. Khi mi chi tit c m ra mt ca s. sp xp chng ta chn menu Window\Tile Horizontally xp theo hng ngang (hay Tile Vertically xp theo hng dc)..

Th d ta c 3 chi tit c m v b tr theo hng ngang nh hnh 1.21

Ging nh cc chng trnh v khc, trong qu trnh v, hin th mt trong nhng trng thi xem View, bn c th nhn phm cch hin thc n xem, t c th cun, thu phng hoc a nhanh v ch chiu nh sn.

C th nhn gi phm Space Bar, v cun chut, ty theo ch ang chn m SolidWork s phc v cng vic cun hay thu phng hnh.


Hnh 1.21

1.6.2. Thanh cng c View

Thanh cng c ny dng cho qu trnh di chuyn, phng to, thu nh, quay i tng vi cc gc nhn khc nhau, thun tin cho qu trnh v phc tho v lm vic vi cc i tng 3D.

Th t cc cng c t tri qua phi l cc lnh sau: + Lnh Zoom preview: Tr v mn hnh trc ; + Lnh Zoom to fit: Lnh ny c chc nng thu ton b cc i tng c trn

vng ha v ton b mn hnh.

s dng lnh ny c th biu tng hoc menu View\Modify\Zoom to fit. Lnh ny c th thc hin qua phm tt F.

+ Lnh Zoom Area: Lnh ny dng phng to cc i tng trong ng vng khoanh chut. s dng lnh ny c th biu tng hoc chn menu View\Modify\Zoom to Area.

+ Lnh Zoom in/out: Lnh ny c chc nng phng to hay thu nh ton b mn hnh ha tu vo vic di chuyn chut (t di ln trn th phng to, ngc li t trn xung di th thu nh). s dng lnh ny c th biu tng hoc chn menu View\Modify\Zoom in/out.

+ Lnh Zoom to Selection: Lnh ny c chc nng phng to i tng c chn ln ton b mn hnh ha. s dng lnh ny c th biu tng




hoc chn menu View\Modify\Zoom to Selection. Khi thc hin lnh trc ht phi chn i tng cn phng to bng lnh Select sau kch hot lnh.

+ Lnh Rotate View: Lnh ny c chc nng quay cc i tng theo cc gc nhn khc nhau n rt tin li trong qu trnh quan st cng nh lp ghp gia cc mt trong qu trnh thao tc vi bn v lp Assembly. s dng lnh ny c th

biu tng hoc chn menu View\Modify\Rotate. Lnh ny cng c th s dng phm Shift + cc phm mi tn ngang dc thc hin chuyn gc nhn trong qu trnh lp ghp.

+ Lnh Pan: Lnh ny c chc nng di chuyn ton b cc i tng c trong vng ha theo mt phng bt k trn mn hnh quan st bng cch . s dng lnh ny c th biu tng hoc chn menu View\Modify\Pan hoc c th s dng t hp phm Ctrl+ cc phm mi tn sang phi hay tri.

+ Lnh 3D Drawing View: Lnh ny dng quan st 3D trong bn v k thut.

+ Lnh Standard View: Bt thanh cng c Standard View. + Lnh Wireframe: Lnh ny cho hin tt c cc cnh ca m hnh. s

dng lnh ny menu View\Display\Wireframe + Lnh Hidden Lines Visible: Lnh ny cho hin tt c cc cnh ca m hnh.

Nhng cnh khut c biu din bng mu khc hay phng khc. s dng lnh ny menu View\Display\Hidden Lines Visible

+ Lnh Hidden Lines Removed: Lnh ny cho hin tt c cc cnh nhn thy c gc nhn hin ti. s dng lnh ny menu View\Display\Hidden lines Removed.

+ Lnh Shaded With Edges: Lnh ny cho hin m hnh dng t bng cng cc cnh nhn thy c ca n. s dng lnh ny menu View\Display\Shaded With Edges gc nhn hin ti.

+ Lnh Shaded: Lnh ny cho hin m hnh dng t bng gc nhn hin ti. s dng lnh ny menu View\Display\Shaded.

+ Lnh Shadows in Shaded Mode: Lnh ny cho hin m hnh dng t bng v c bng ca n. s dng lnh ny menu View\Display\Shadows in Shaded Mode.

+ Lnh Section Wiew: Lnh ny cho hin mt phn ca m hnh sau khi ct b bi mt hay nhiu mt phng. s dng lnh ny menu View\Display\Section Wiew.

1.7. t ch li trong mi trng v phc tho Trn mt phng v phc tho thun li cho vic truy bt im ngi ta

thng t mt phng v phc tho ch li.

Trong trng hp bn khng mun chut ch bt vo nhng c nh sn, bn

phi tt b ch truy bt Snap ny i t ch ny ta thng biu tng trn thanh cng c hoc

menu Tools\Option... khi hp thoi Document Properties- Grid\Snap xut hin nh sau:


1.8.Bng phm tt thao tc nhanh mt s lnh

1.9. Nhp/xut ti liu SolidWorks

Ta c th nhp cc files t cc phn mm ng dng khc vo phn mm SolidWorks. Cng c th xut cc ti liu SolidWorks dng s s dng cho cc phn mm ng dng khc. Sau y l bng thng k kh nng s kt ni gia cc phn mm khc vi phn mm SolidWorks

Bn v chi tit Bn v lp Bn v k thut 2D Application

Nhp Xut Nhp Xut Nhp Xut

3D XML X X ACIS X X X X Adobe Illustrator X X Autodesk Inventor X




Bn v chi tit Bn v lp Bn v k thut 2D Application

Nhp Xut Nhp Xut Nhp Xut

CADKEY X X CATIA Graphics X X X X DXF/DWG X X X DXF 3D X X eDrawings X X X Highly Compressed Graphics X X HOOPS X X IDF X IGES X X X X JPEG X X X Mechanical Desktop X X Parasolid X X X X PDF X X X Pro/ENGINEER X X X X ScanTo3D X X Solid Edge X X STEP X X X X STL X X X X TIFF X X X X X U3D X X UNIGRAPHICS X X VDAFS X X VIEWPOINT X X VRML X X X X

1.10. t ch cho h thng t ch cho h thng ni chung ta thc hin cc thao tc sau y.

menu Tools\Options khi hp thoi Sytem Options xut hin. Trong hp thoi ny c th t ch chung cho tt c cc bn v k t bn v hin hnh. Th d t ch mu nn cho bn v chn Colors ta c hp thoi Sytem Options Colors nh hnh 1.22 trang bn.

Ti hp thoi ny cho ta bit ch mc nh mu nn v mu cc i tng khc. thay i mu cho cc i tng ta mc Edit. Lc bng mu hin ra cho php ta chn mu mong mun. Chn OK thot ra.


Hnh 1.22

1.11. t cc thuc tnh cho bn v Trc khi thao tc vi bn v ta cn t cc thuc tnh cho bn v. Ch

nhng thuc tnh ny ch cho bn v hin thi khi m bn v khc th phi t li (cc thuc tnh nh l mu nn, n v, kiu kch thc, cc ch hin th). t cc thuc tnh trn menu Tools\Options\Document Properties. Ta c:

Hnh 1.23




Dng hp thoi ny ta c th t cc thuc tnh nh kiu kch thc, phng ch, n v o, mu, ch cho hin li,.v.v.... cho bn v hin thi. Khi sang bn v khc ta phi t li ch nu nh ta khng mun dng ch mc nh ca SolidWorks. C th t ch cho bn v mu mi ln v ta gi bn v mu c y mi trng lm vic sau i tn v bn v mi.

1.12. B sung cc nt lnh cho cc thanh cng c: Cc thanh cng c ban u ch nhng nt lnh hay dng. Nn khi s dng

nhng nt lnh khc, hoc l ta phi dng phm tt hoc phi dng thc n. s dng cc nt lnh ny Customize, v d View/ToolBars/Customize... sau chn thanh cng c cn thm. Chn nt tng ng v nt lnh trong kho Customize vo v tr cn thit s dng.


Chng 2. V CC I TNG 2D Trong chng ny trnh by cc lnh c bn v cc i tng 2D (ng

thng, cong, cc bin dng phc tp) trong SolidWorks lm c s cho thit k cc i tng 3D c trnh by chng 4. Chng ny gii thiu cc thanh cng c Sketch, Dimensions/Relations v lm quen vi mt s lnh v cc i tng 2D c bn. Cc lnh chnh sa, v nhanh cc i tng 2D, cch cho thc v cc rng buc s c trnh by trong chng 3.

Ch : Cc i tng 2D ch thc hin trn mt mt phng v phc tho no sau khi m Sketch.

Chng ny bao gm cc mc

2.1. Thanh cng c Sketch 2.2. Thanh cng c Dimensions/Relations 2.3. Lnh Select 2.4. Lnh Sketch or Exit Sketch 2.5. Lnh Line 2.6. Lnh Rectangles 2.7. Lnh Parallelogram 2.8. Lnh Polygon 2.9. Lnh Circle2.10. Lnh Centerpoint Arc 2.11. Lnh Tangent Arc

2.12. Lnh 3 Point Arc 2.13. Lnh Ellipse 2.14. Lnh Partial Ellipse 2.15. Lnh Spline 2.16. Lnh Point 2.17. Lnh Centerline 2.18. Lnh Construction Geometry 2.19. Nhp mt i tng 2D t AutoCAD sang Solidworks.




2.1. Thanh cng c Sketch Thanh cng c ny gm cc lnh v cc i tng 2D, v cc a tuyn, cc

lnh v khi, chnh sa v v nhanh cc i tng 2D.

Tn gi cc biu tng cng c nh sau.

2.2. Thanh cng c Dimensions/Relations Thanh cng c Dimensions/Relations v cc menu Tools\Dimensions v

Tools\Relations cung cp cng c o thc v thm bt cc rng buc hnh hc. Khng tt c cc nt ca thanh cng c c lnh menu tng ng v ngc li khng phi tt c cc lnh menu u c nt tng ng trn thanh cng c.

Thanh cng c Dimensions/Relations nh sau:

Menu Dimension v menu Relations nh sau:


Tn gi cc cng c nh sau:

2.3. Lnh Select (Chn i tng) Nhiu lnh trong SolidWorks yu cu phi chn cc i tng lm cc thng

s cho vic thc hin lnh . Khi lnh Select ch hot ng ta c th dng con tr chn cc i

tng trn vng ho hay vng cy qun l cu trc ti liu. C th dng cng c Select thot khi mt lnh khc v tr v ch chn.

hot lnh biu tng Select trn thanh cng c.

chn nhiu i tng n v gi phm Ctrl v tng i tung mt.

C th dng chut thnh ca s hnh ch nht chn nhiu i tng. Nu t tri qua phi th ch cc i tng nm trn trong ca s s c chn. Nu t phi qua tri th cc i tng b ca s ct qua u c chn.

Cc i tng c chn s i sang mu khc.

2.4. Lnh Sketch or Exit Sketch (M hoc ng Sketch) Khi ta bt u m mt chi tit mi, trc ht chng ta cn to ra bn v

phc(ho tit). Ho tit l c s cho m hnh 3D. Chng ta cn phi to ra ho tit trn mt trong cc mt phng mc nh (Front Plane, Top Plane and Right Plane)




hoc to ra mt phng v khc (cch to mt phng v s trnh by chng 6). C th bt u v mt ho tit bng mt trong cc cch sau:

cng c v ho tit (line, circle,...). lnh Sketch. mt phng Planes lnh Extrudee Boss/Base hoc Revolved Boss/Base trn thanh cng

c hnh tit Features. bt u bng cng c v ho tit hoc lnh sketch thc hin cc bc sau:

1. cng c cn v (line, circle,...) hoc biu tng Sketch 2. mt trong 3 mt phng (Front Plane, Top Plane v Right Plane)

hin ln nh hnh di y Trong chi tit mi nh hng nhn theo hng vung gc theo mt phng v

( biu tng Normal to trn thanh cng c Standard View) 3. V ho tit bng cc cng c v ho tit.

4. Nhp thc cho cc i tng.

5. Exit Sketch hoc Extruded Boss/Base hoc Revolved

Boss/Base trn thanh cng c Features toolbar v hnh tit 3D. bt u v ho tit bng cch chn mt phng tin hnh cc bc sau:

1. mt phng v trn phn qun l cy cu trc thit k v cng c

cn v hoc biu tng trn thanh cng c Sketch. Trong chi tit mi nh hng nhn theo hng vung gc theo mt phng

v( biu tng Normal to trn thanh cng c Standard View) 2. To ho tit theo cc bc 3, 4 v 5 trn. bt u v ho tit vi Extruded hoc Revolved Boss/Base

1. Extruded Boss/Base hoc Revolved Boss/Base trn thanh cng c Features toolbar.

2. mt trong 3 mt phng (Front Plane, Top Plane v Right Plane) hin ln.

Trong chi tit mi nh hng nhn theo hng vung gc theo mt phng

v( biu tng Normal to trn thanh cng c Standard View) 3. V ho tit bng cc cng c v cc i tng ho tit. 4. ng Sketch m ca s qun l tnh cht ca hnh tit chn.

5. To hnh tit v OK. sa cha mt ho tit v:

Sketch hoc menu Insert\Sketch. Chn ho tit cn sa, hoc

Thit k t ng bng SolidWork Trn ca s qun l cu trc cy thit k ho tit cn sa xut hin

menu ng, chn Edit Sketch.

Sa cha xong thot ra.

2.5. Lnh Line (V on thng)

1. Line trn thanh cng c Sketch hoc menu Tools\Sketch\

Entities\Line. Con tr chut bin thnh Xut hin ca s Insert Line bn tri mn hnh

2. Trong mc Orientation chn mt trong cc phng n sau: As sketched V t do. Horizontal - V ng nm ngang. Vertical - V ng thng ng. Angle V ng nghing mt gc. 3. Trong mc Options chn: For construction v ng tr gip dng hnh. Infinite length v ng thng v hn. Khi la chn ngoi As sketched th trn hp thoi xut hin nhm thng s Parameters

4. Di mc Parameters, trn c s Orientation cn in cc thng s nh sau:

ng ngang v thng ng ng nghing

t thng s di (Length) t thng s di (Length)

t thng s cho gc (Angle)

Chn Add dimensions ghi kch thc di

Chn Add dimensions ghi kch thc di v gc nghing.

5. vng ho v v on thng. Hp thoi Line Properties xut hin. 6. v on thng lm nh sau:




n cui on thng v nh ra.

Nh chut, cui on thng. 7. C th tip tc theo mt trong cc cch sau: Sa cha on thng bng cch chn li cc thng s trong hp thoi Line

Properties Tip tc v on thng theo hng chn.

OK hoc tr v hp thoi Insert Line chn kiu v khc v tip tc v.

sa cha on thng lm nh sau: ho tit (sketch) ang c m lm mt trong cc cch sau:

thay i di ca on thng 1u on thng di thm hay ngn bt.

di chuyn on thng, on thng n v tr mi.

thay i gc nghing ca on thng im cui, sang im khc. Nu on thng l nm ngang hay thng ng th hu b rng buc (relations) trong hp thoi Line Properties trc khi gc mi.

sa i tnh cht ca on thng: Trn ho tit ang m on thng v sa cc thng s ca n trong hp thoi Line Properties

thot khi lnh v on thng n phm Esc hoc chn mt lnh v khc

2.6. Lnh Rectangles (V hnh ch nht) Cho php v hnh ch nht c cc cnh ngang hay ng song song cc trc

tng ng. v cc hnh ch nht vi cc hng khc dng lnh Parallelogram. Cc bc tin hnh v hnh ch nht nh sau:

1. biu tng Rectangles trn thanh cng c Sketch hoc menu Tools\Sketch Entities\Rectangle.

Lc con tr chut bin thnh

2. ch ca gc th nht hnh ch nht, hnh ch nht t yu cu.

3. C th tip tc v cc hnh ch nht khc theo bc 2 hoc kt thc lnh

hoc li vo biu tng lnh, hoc chn lnh khc tip tc v ho tit, hoc n phm Esc trn bn phm.

thay i kch thc hnh ch nht: Trong ho tit ang m cnh hoc nh ri , hoc cnh ri thay i thng s trong hp thoi Line Properties.


2.7. Lnh Parallelogram (V hnh ch nht nghing) Cho php v hnh ch nht c cc cnh nghing so vi cc trc to . Cc bc tin hnh v hnh ch nht nh sau:

1. biu tng Parallelogram trn thanh cng c Sketch hoc menu Tools\Sketch Entities\Parallelogram.

Lc con tr chut bin thnh

2. gc th nht hnh ch nht, th ra im cui ca mt cnh, tip im na l im m cnh song song vi cnh va v s i qua. 3. C th tip tc v cc hnh ch nht nghing khc theo bc 2 hoc kt

thc lnh li vo biu tng lnh, hoc chn lnh khc tip tc v ho tit, hoc n phm Esc trn bn phm.

thay i kch thc hnh ch nht: Trong ho tit ang m cnh hoc nh ri , hoc cnh ri thay i thng s trong hp thoi Line Properties

2.8. Lnh Polygon (V hnh a gic u) Cho php v hnh a gic u t 3 n 40 cnh. Cc bc thc hin v a

gic u nh sau:

1. biu tng Polygon trn thanh cng c Sketch hoc menu Tools\Sketch Entities\Polygon.

Lc con tr bin thnh v xut hin hp thoi Polygon bn tri mn hnh 2. Nhp cc thng s cn thit trong hp thoi Polygon (s cnh, v thm

ng trn ngoi tip hay ni tip,...)

3. vng ho chn tm v v hnh a gic u, v nh hnh di y




4. v Polygon khc chn New Polygon v lp li cc bc 2 n 3. 5. OK sa cha Polygon v: Trn Sketch cha Polygon ang m chn mt

cnh ca hnh a gic v hoc in thng s thch hp vo ca s qun l tnh cht cnh ri OK

2.9. Lnh Circle (V ng trn) Cho php v ng trn trn c s tm bng cng c Circle hoc trn c

s ng bao bng cng c Perimeter Circle trn thanh cng c Sketch. to ng trn trn c s tm

to ng trn trn c s ng bao

Thit k t ng bng SolidWork sa cha ng trn: Trong Sketch ang m tr chut vo ng trn v

r hoc in thng s thch hp vo hp thoi qun l tnh cht Circle

2.10. Lnh Centerpoint Arc (V cung trn bit tm) Lnh ny cho php v cung trn t tm, im u v im cui. Lnh to cung trn bit tm gm cc bc sau:

1. Sketch ang m (Centerpoint Arc) trn thanh Sketch hoc

menu Tools\Sketch\Entities, Centerpoint Arc. Con tr s bin thnh 2. Trn vng ho tm cung trn, im u v im cui cung

trn. Hp thoi qun l tnh cht Arc xut hin:

chnh sa cung trn v Trn Sketch ang m cung trn cn sa,

hp thoi xut hin, nhp cc thng s cn thit v OK.

2.11. Lnh Tangent Arc (V cung trn tip xc) Lnh cho php v cung trn tip xc vi i tng ca Sketch. Lnh to cung trn tip xc gm cc bc sau:

1. Trn Shetch ang m Tangent Arc (trn thanh cng c Sketch)

hoc menu Tools\Sketch Entity\Tangent Arc. Con tr chut bin thnh 2. im cui ca on thng, cung trn lip hoc a tuyn. Hp thoi Arc PropertyManager xut hin:




chnh sa cung trn v: trn Sketch ang m cung trn cn sa,

hp thoi xut hin, nhp cc thng s cn thit v OK.

2.12. Lnh 3 Point Arc (V cung trn qua ba im) C th to cung trn qua 3 im (im u, im cui v im trn cung)

1. Trn sketch ang m 3 Point Arc (trn thanh cng c Sketch),

hoc menu Tools\Sketch Entities\3 Point Arc. Con tr bin thnh 2. im u (ng thi hp thoi xut hin), im cui v im gia.


2.13. Lnh Ellipse (V hnh lip). Lnh Ellipse cho php v hnh lip hon chnh. S dng lnh Partial Ellipse

v cung lip. to lip tin hnh cc bc sau:

1. Ellipse trn thanh cng c Sketch, hoc menu Tools\Sketch

Entities\Ellipse. Con tr chut bin thnh 2. Trn vng ho ch tm hnh Ellipse cn v. Hp thoi xut qun l

tnh cht lip xut hin.




2.14. Lnh Partial Ellipse (V cung lip) S dng lnh Partial Ellipse v cung lip. to Partial Ellipse tin hnh cc bc sau:

1. Partial Ellipse trn thanh cng c Sketch, hoc menu

Tools\Sketch Entities\ Partial Ellipse. Con tr chut bin thnh . 2. Trn vng ho ch tm hnh Ellipse cn v. Hp thoi qun l tnh

cht lip xut hin.


2.15. Lnh Spline (Lnh v t do) Lnh cho php v ng cong t do 2D. ng Spline phi c t nht l 2

im. Cc bc to cc ng splines qua nhiu im nh sau:

1. (Trn thanh cng c Sketch) hoc menu

Tools\Sketch\Entities\Spline Con tr chuyn thnh 2. im th nht v . Hp thoi Spline xut hin. 3. tip im th 2 v ra mt khong.

4. Lp li buc 3 hoc kt thc v ng cong .

5. OK.




2.16. Lnh Point (Lnh v im) Cho php v cc im trn hnh tit (Sketch) ang m. to im:

1. Point (Trn thanh Sketch) hoc Tools\Sketch Entities\ Point

Con tr chut bin thnh 2. Trn vng ho v tr ca im. Hp thoi Point xut hin.


2.17. Lnh Centerline (V ng tm) Dng ng tm to cc i tng ho tit i xng v to cc hnh trn

xoay hoc lm ng h tr thit k. to ng tm:

1. Centerline (Trn thanh cng c Sketch), hoc menu

Tools\Sketch Entities\Centerline. Con tr s bin thnh 2. chn im u ca ng tm. Hp thoi qun l tnh cht Line

Properties xut hin. 3. hoc di chuyn con tr v xc nh im cui. sa i ng tm:

Trn Sketch ang m, ng tm v tin hnh sa i n trn hp thoi qun l tnh cht Line Properties

2.18. Lnh Construction Geometry (Lnh to ng h tr dng hnh) C th chuyn cc i tng ca mt ho tit hay bn v k thut (drawings)

thnh i tng h tr cho vic dng hnh (gi l ng h tr dng hnh). ng h tr dng hnh ch dng h tr cho vic to cc i tng ca ho tit v cui cng kt hp vi chi tit. ng dng hnh s khng hin khi ho tit c dng to cc hnh tit. ng dng hnh dng mt s loi ng nh ng tm (centerlines).

Bt k i tng ho tit no cng c th tr thnh ng dng hnh. Cc im v ng tm l thng c dng nht.

Phn mm SolidWorks cn c cc hnh h tr dng hnh (mt phng, trc, v.v...) lm c s cho vic to cc hnh tit.

chuyn mt i tng ho tit thnh ng h tr dng hnh lm nh sau. Trn ho tit ang m chn mt hoc nhiu hn cc i tng v lm mt

trong cc cch sau:




nh du For construction trong hp thoi PropertyManager. biu tng Construction Geometry trn thanh Sketch hoc menu

Tools\Sketch Tools\Construction Geometry. i tng v chn Construction Geometry (Ch vi bn v k thut)

Bi tp chng 2

Bi tp 1. V hnh sau trn mt phng Front:

Bi tp 2. V hnh sau trn mt phng Top:

Thit k t ng bng SolidWork Phn c thm:

Nhp mt i tng 2D t AutoCAD sang Solidworks. Khi mt bin dng phc tp thun tin cho vic thit k ta c th lin kt d

liu bin dng t phn mm AutoCAD. nhp mt bn v phc tho phc tp t AutoCAD sang SolidWorks ta lm theo cc bc sau:

1. T menu File\ Open hay biu tng Open. Hp thoi Open xut hin. Trong hp thoi ti chn kiu file (Files of type) Dwg files (*.dwg) tip theo bn chn file bn v phc tho v t AutoCAD sang SolidWorks sau

Open.

2. Ca s DXF/DWG Import xut hin nh sau. Trong ca s ny

Import to a new part, Next

3. Ca s DWG/Import -Drawing Layer Mapping xut hin. Trong ca s ny

chn cc Layer cn thit. Next tip tc.




4. Ca s DXF/DWG Import Document Settings xut hin:

5. Sau khi chn cc thng s cn thit nh n v o v cc thng s khc, Finish. Ta c Sketch mi trn phn ho SolidWorks nh sau:



Chng 3. CC LNH CHNH SA CC I TNG 2D Trong chng ny trnh by cc lnh lin quan n chnh sa cc i tng

v v v nhanh cc i tng mi trn c s cc i tng c. Cc lnh ny thuc thanh cng c Sketch, i vi cc phin bn SolidWorks trc 2007 th cc lnh ny thuc thanh cng c Sketch Tools. Phn cui chng ny trnh by phng php nhp kch thc.

3.1. Lnh Sketch Fillet 3.2. Lnh Sketch Chamfer 3.3. Lnh Offset Entities 3.4. Lnh Convert Entities 3.5. Trim Entities 3.6. Lnh Extend Entities 3.7. Lnh Mirror Entities 3.8. Lnh Dynamic Mirror Entities 3.9. Move-Copy-Rotate-Scale 3.10. Lnh Linear Sketch Patterns 3.11. Lnh Circular Sketch Patterns 3.12. Cc lnh to kch thc v cc rng buc


3.1. Lnh Sketch Fillet (V trn) Lnh Sketch Fillet xn bt gc ni giao hai i tng ho tit to cung trn

tip xc vi hai i tng . Lnh ny c th p dng cho ho tit 2D v 3D. Th d nh hnh sau:

to v gc trn ho tit:

1. ho tit ang m biu tng Sketch Fillet trn thanh Sketch hoc menu Tools\Sketch Tools\Fillet. Hp thoi Sketch Fillet xut hin bn tri mn hnh.

2. a cc thng s thch hp vo hp thoi.

3. cc i tng ca ho tit v trn. C th chn cc i tng khng giao nhau. Cc i tng s c ko di v

gc s c v. chn cc i tng c th kt hp phm Ctrl v chn 2 i tng hoc chn im giao nhau.

4. OK v hoc Undo b v trn Fillet va thc hin. Li hay gp: Cho bn knh qu ln khng th tn ti hnh, s khng v c

3.2. Lnh Sketch Chamfer (Vt gc) Lnh Chamfer c dng vt gc cc nh ca ho tit 2D hoc 3D.

vt cc nh ho tit lm nh sau:

1. ho tit ang m kch biu tng Sketch Chamfer trn thanh Sketch hoc menu Tools\Sketch Tools\Chamfer. Hp thoi nh hnh trn xut hin.




2. a cc thng s thch hp vo hp thoi. C th chn gc v khong cch nh trng hp a) (Hnh trn), hoc khong cch - khong cch nh trng hp b), hoc khong cch bng nhau nh trng hp c).

3. Trn vng ho chn 2 i tng ho tit vt. chn cc i tng cn gi phm Ctrl v chn hai i tng hoc chn nh (im giao 2 i tng).

4. OK kt thc lnh.

Hnh ch nht v vi bn knh =1/2 chiu rng, s c hnh van. Cn vt gc vi kch thc cho =chiu di/2 v chiu rng/2 s c hnh thoi.

3.3. Lnh Offset Entities (V i tng song song vi i tung gc) Lnh Offset cho php v i tng song song v cch i tng gc mt

khong cho trc. i tng gc c th l ng cong t do, cung trn, on thng, v.v... to ho tit song song vi i tng gc:

1. Trn ho tit ang m chn mt hoc nhiu i tng, mt hoc cnh ca m hnh.

2. biu tng Offset Entities trn thanh Sketch, hoc menu Tools\Sketch Tools\Offset Entities. Hp thoi qun l tnh cht Offset Entities xut hin.

3. Trong hp thoi, mc Parameters chn cc thng s cn thit. Hnh di l th d hnh v cng cc thng s chn.

4. OK hoc im bt k trong vng ho.

thay i khong cch offset vo kch thc v thay i thng s. Trong trng hp bi-directional th c hai kch thc thay i ng thi.

3.4. Lnh Convert Entities (Chiu i tng) Khi ta ang v trn 1 mt phng A, c th nhn thy cc ng nt trn 1 mt

phng B khc. Nhiu ngi c tng hnh v trn mt phng A, thc hin thao tc

i vi hnh v nhng khng c, ging nh dng ci bng ca n vy Chnh v vy, ta phi to ra i tng thc trn mt phng ca ta thc hin

bng cch ly lun ci bng kia to ra hnh.

Thit k t ng bng SolidWork C th to mt hay nhiu ng cong trn ho tit ang m bng cch chiu

cc cnh, ng bao, mt ca m hnh hoc ng cong ca ho tit khc ln mt phng v ca ho tit hin hnh.

chiu mt i tng: 1.Khi ho tit ang m chn cnh, ng bao, mt, ng cong thuc m hnh

hoc mt ho tit khc, hoc mt nhm ng cong.

2. biu tng Convert Entities trn thanh Sketch hoc menu Tools\Sketch Tools\Convert Entities.

3.6. Lnh Extend Entities (Ko di i tng) C th b sung thm di cho cc i tng (on thng, ng tm hoc

cung trn). S dng Extend Entities ko di i tng cho n khi gp i tng khc.

ko di i tng ho tit:

1. Trn ho tit ang m, Extend Entities trn thanh Sketch hoc

chn menu Tools\Sketch Tools\Extend. Con tr s bin thnh . 2. a con tr n i tng cn ko di, i tng bin thnh mu v cho

php xem trc hng pht trin. 3. N hng pht trin ngc chiu th a chut sang na kia ca i

tng.

4. thc hin lnh.

Hnh trc khi thc hin lnh

Hnh sau khi thc hin lnh

Trng hp khng thc hin c lnh l do bn ra lnh ko di ng cong, do cong ca n khng th gp c ng bin m bn ch nh.

3.6. Lnh Trim Entities (Ct xn i tng) Chn Trim type (kiu ct xn), chng ta c th ct xn hoc ko di i tng

theo mong mun. Tt c cc kiu ct xn ch p dng vi ho tit 2D hoc ho tit 2D trn cc mt phng 3D. C th s dng mt trong cc kiu sau:

Power trim (Ct xn nhiu i tng) Corner (Ct xn hoc ni di i tng to thnh gc) Trim away inside (Ct xn phn bn trong gia 2 i tng) Trim away outside (Ct xn phn bn ngoi gia 2 i tng) Trim to closest




Power Trim S dng Power Trim : Ct xn nhiu i tng bng cch qua cc i tng cn ct. Ko di i tng dc theo ng t nhin ca n. ct xn bng tu chn Power Trim lm nh sau: 1. ho tit v Edit Sketch.

2. biu tng Trim Entities trn thanh Sketch hoc menu Tools\Sketch Tools\Trim. Hp thoi Trim xut hin. 3. Trong hp thoi di mc Options Power trim

. 4. trong vng ho, tip l i tng th nht v qua cc i tng cn ct xn.

Con tr chut s bin thnh . Mt vt ng cong s to thnh, dc theo ng i ca con tr chut. 5. Tip tc theo cc i tng cn ct xn.

6. kt thc lnh nh chut ra v OK trn hp thoi. Hnh di y l mt th d vic thc hin lnh Power trim

Hnh trc khi Power Trim

Hnh sau khi Power Trim

ko di i tng vi t chn Power Trim lm theo cc bc sau: 1. Thc hin cc bc 1-3 nh trn. 2. Chn i tng cn ko di ( bt k im no thuc i tng). 3. v ko di i tng theo mun. 4. kt thc v OK trn hp thoi.


Corner Ko di hay ct xn 2 i tng cho n khi giao im ca chng to thnh gc. thc hin t chn Corner lm nh sau: 1. ho tit v chn Edit Sketch.

2. biu tng Trim Entities trn thanh Sketch hoc menu Tools\Sketch Tools\Trim. Hp thoi Trim xut hin. Trong hp thoi di mc Options Corner . 4. Chn hai i tng cn ni li vi nhau. 6. kt thc OK trn hp thoi. Di y l th d v thc hin lnh Trim Corner




Trim Away Inside Lnh Trim Away Inside cho php ct xn phn

i tng nm pha trong gia 2 i tng (lm ng bin) ca ho tit ang m.

Cc bc thc hin lnh nh sau: 1. ho tit v Edit Sketch.

2. biu tng Trim Entities trn thanh Sketch hoc menu Tools\Sketch Tools\Trim. Hp thoi Trim xut hin.

3. Trong hp thoi di mc Options Trim Away Inside

4. Chn 2 i tng lm ng bin. 5. Chn cc i tng cn ct xn. Cc i tng cn ct xn phi giao vi c hai i

tng ng bin hoc khng giao vi i tng no c v khng phi l i tng khp kn (ng trn, lip v.v...)

6. kt thc chn nt OK trn hp thoi. Di y l mt th d thc hin lnh Trim Away Inside


Trim Away Outside Lnh ny cho php ct xn phn i tng

nm pha ngoi 2 i tng lm ng bin ca ho tit ang m.

Cc bc thc hin lnh nh sau: 1. ho tit v Edit Sketch.

2. biu tng Trim Entities trn thanh Sketch hoc menu Tools\Sketch Tools\Trim.. Hp thoi Trim xut hin

3. Trong hp thoi Trim di mc Options Trim Away Outside 4. Chn 2 i tng lm ng bin. 5. Chn cc i tng cn ct xn. Cc i tng cn ct xn phi giao vi c

hai i tng ng bin hoc khng giao vi i tng no c v khng phi l i tng khp kn

(ng trn, lip v.v...) 6. kt thc chn nt OK t rn hp thoi. Di y l mt th d thc hin lnh Trim Away Outside




Trim to Closest Lnh cho php ct xn phn i tng chn n im giao nhau vi i tng khc hoc c i tng. 1 vo ho tit v chn Edit Sketch.

2. biu tng Trim Entities trn thanh Sketch hoc menu Tools\Sketch Tools\Trim. Hp thoi Trim xut hin. 3. Trong hp thoi di mc Options Trim to

Closest

Con tr bin thnh 4. Chn tng i tng cn ct xn.

5. OK kt thc lnh.

Hnh trc khi thc hin lnh

Hnh sau khi thc hin lnh

3.7. Lnh Mirror Entities (Ly i xng qua trc) c im ca lnh ny l i tng ly i xng v ng thng lm trc

i xng phi l cc i tng c trong bn v. Khng thc hin ly i xng i vi ho tit 3D.

Php ly i xng cc i tng c gm cc bc sau:

1. Khi ho tit ang c m, biu tng Mirror Entities trn thanh Sketch hoc menu Tools\Sketch Tools\Mirror. Hp Mirror xut hin trang sau.

2. Trong hp thoi qun l tnh cht Mirror: a. Chn cc i tng Entities to Mirror b. nh du vo Copy gi nguyn c cc i tng gc hoc b nh du

th i tng gc s khng c gi li.

c. cnh hoc on thng lm Mirror about (trc i xng) 3. OK


3.8. Lnh Dynamic Mirror Entities (Lnh ly i xng ng) c im lnh ny l khi v i tng ta c lun c i tng i xng vi

n qua trc i xng chn. Cc bc thc hin nh sau:

1. Trn ho tit ang m 1 on thng hoc cnh ca m hnh lm trc i xng.

2. biu tng Dynamic Mirror Entities trn thanh Sketch hoc menu Tools\Sketch Tools\Dynamic Mirror. Hp thoi qun l lnh Mirror xut hin. Biu tng i xng xut hin 2 u on thng hoc cnh.

3. To cc i tng cn ly i xng. Cc i tng s c ly i xng vi i tng ta v.

4. kt thc vic v i xng mt ln na vo biu tng Dynamic Mirror Entities

3.9. Move-Copy-Rotate-Scale (Di chuyn Sao chp Xoay phng t l) C th chn mt hay nhiu i tng di chuyn, sao chp, phng to thu nh

hoc quay quanh mt im. Cc lnh ny khng to ra cc rng buc.

3.9.1. Lnh Move Di chuyn cc i tng bng cch chn im xut pht v im n hoc

dng to dim n X,Y. Sau khi ra lnh ta c hp thoi move nh hnh sau Trong :

Entities to Move : Cc i tng cn di chuyn (c th c chn trc hay sau khi ra lnh)




Keep relations Gi nguyn rng buc gia cc i tng. Khi khng nh du th cc rng buc gia cc i tng chn v cc i tng khng c chn b ph v; rng buc gia cc i tng uc chn vn gi nguyn.

Tham s

From/to. im xut pht xc nh im xut pht (Start point). Di chuyn con tr chut v xc nh im ch.

X/Y. a cc thng s Delta X v Delta Y vo xc nh im ch. Repeat. Tip tc di chuyn cc i tng vi khong cch khc.

3.9.2. Lnh Rotate Xoay i tng bng cch chn tm xoay v gc quay. Sau khi ra lnh ta c hp thoi Rotate nh hnh sau


Trong :

Entities to Rotate . Chn cc i tng cn xoay. Keep relations Gi nguyn rng buc gia cc i tng. Khi khng nh

du th cc rng buc gia cc i tng chn v cc i tng khng c chn b ph v; rng buc gia cc i tng uc chn vn gi nguyn.

Tham s Center of Rotation. Di chuyn con tr v chn im lm tm xoay

Angle . a thng s gc quay hoc v gi nguyn xoay bng cch .

3.9.3. Lnh Scale Phng t l v to ra cc bn sao ca cc i tng bng cch chn im c

s , h s phng v tu chn s bn sao. Sau khi ra lnh ta c hp thoi Scale xt hin nh hnh sau:




Trong :

Entities to Scale. Chn cc i tng phng theo t l. Tham s

Scale about . Chn im c s lm tm phng t l.

Scale Factor . T l phng Copy. To mt hay nhiu bn sao cc i tng chn.

Number of Copies . S bn copy. Nu khng nh du vo copy th ch to i tng phng chn. Nu

nh du vo Copy th cc i tng gc vn gi nguyn v to cc bn sao theo t l chn.

3.9.4. Lnh Copy C th copy cc i tng, kch thc v cc rng buc gia cc i tng

cng uc sao chp n v tr mi. Sau khi ra lnh ta c hp thoi Copy nh sau:


Trong : Entities to Copy: Chn cc i tng Copy (cc i tng c th c

chn trc hay sau khi ra lnh) Keep relations Gi nguyn rng buc gia cc i tng. Khi khng nh

du th cc rng buc gia cc i tng chn v cc i tng khng c chn b ph v; rng buc gia cc i tng uc chn vn gi nguyn.

Tham s

From/to. Thm im c s xc nh im xut pht(Start point). Di chuyn con tr chut v xc nh im ch.

X/Y. a cc thng s Delta X v Delta Y vo xc nh im ch. Repeat. Tip tc sao chp cc i tng vi khong cch khc.

3.10. Lnh Linear Sketch Patterns (Sao chp thnh mng vung) Lnh Linear Sketch Patterns to ra mt lot i tng xp theo hng v ct

s dng cc i tng trn mt phng, trn chi tit hoc bn lp. Sau khi ra lnh hp thoi Linear Patterns xut hin.

thc hin lnh ta in cc thng s thch hp vo hp thoi Linear Patterns, bao gm:

Entities to Pattern : Chn i tng ho tit trn vng ho cho vic sao chp thnh mng.

Direction 1 (Hng th nht theo trc X)

Reverse direction i hng.

Spacing . Khong cch gia cc hnh. Add Dimension. Thm kch thc gia cc hnh.




Number . S hnh theo trc X

Angle . Gc hng so vi trc ngang X (Gc hng cc hng).

Direction 2 (Hng th 2)

Number S hnh theo trc Y.

Reverse direction i hng pht trin.

Spacing Khong cch gia cc hnh. Add Dimension. Thm kch thc gia cc hnh.

Angle . Gc hng ca cc ct Instances to Skip(B qua mt s hnh). Khi ta in cc thng s trn vo

hp thoi trn vng ho hin ln cc hnh xp theo hng v ct vi mu khc

(xem hnh trn). Instances to Skip v con tr bin thnh , chn hnh cn loi b, hnh s khng hin ln trn vng ho.

Kt thc lnh bng cch OK trong hp thoi hoc n nt trn bn phm. sa cha mng i tng xp theo mng vung, vng cc i

tng v Edit Linear Pattern, hp thoi Linear Patterns hin ln bn phi cho php ta sa cha cc thng s cn thit.

Thit k t ng bng SolidWork 3.11. Lnh Circular Sketch Patterns (Sao chp thnh mng trn) To ra mt lot cc hnh xp theo vng trn. Sau khi ra lnh hp thoi Circular

Patterns s xut hin. thc hin lnh ta a cc thng s thch hp vo hp thoi bao gm:

Entities to Pattern. Chn cc i tng trn vng ho sao chp thnh mng trn.

Tham s. Mc nh dng tm to lm tm mng trn. Hoc chn im khc lm tm mng trn.

Reverse direction i hng pht trin.

Center X To tm mng trn theo trc X.

Center Y To tm mng trn theo trc Y.

Number S hnh ca mng.

Spacing S o ca cung cha mng trn.

Radius Bn knh ca cung cha mng trn. Arc Angle Gc ca on thng ni t tm ca i tng chn sao chp

n tm ca mng trn so vi trc X.

Equal Spacing. Hnh sao chp u theo c vng trn Add dimensions. B sung thm kch thc. Ch thch: C mt s thng s trn l h qu ca cc thng s khc v vy

khng nht thit phi in ht. Instances to Skip(B qua mt s hnh). Khi ta in cc thng s trn vo

hp thoi trn vng ho hin ln cc hnh xp theo vng trn vi mu khc (xem

hnh trn). Instances to Skip v con tr bin thnh , chn hnh cn loi b bng cch a con tr vo tm ca hnh , hnh s khng hin ln trn vng ho.




Kt thc lnh bng cch OK trong hp thoi hoc n nt sa cha mng i tng xp theo mng trn vng cc i tng

v Edit Circular Patterns, hp thoi Circular Patterns hin ln bn phi cho php ta sa cha cc thng s cn thit.

3.12. Cc lnh to kch thc v cc rng buc (Dimensions/Relations). Thanh cng c Dimension/Relations c trnh by trong mc 2.2. Trong

mc ny chng ta ln lt xt mt s lnh thng dng.

3.12.1. Lnh Smart Dimension (Gn kch thc nhanh) Lnh cho php gn kch thc cho cc i tng ho tit 2D hoc 3D. C th

gn kch thc hay xo kch thc khi cng c Smart Dimension ang hot ng. Kiu kch thc s c xc nh bng i tng c chn. i vi mt s

kiu kch thc (t im n im, gc, ng trn), v tr t ng kch thc cng c tc dng xc nh kiu kch thc.

gn kch thc cho i tng ho tit hoc bn v thc hin cc bc sau:

1. vo cng c Smart Dimension trn thanh Dimensions/Relations hoc menu Tools\Dimensions\Smart. Kiu kch thc mc nh l kiu Parallel (song song). C th chn kiu ghi kch thc khc bng cch i tng v chn More Dimensions, sau chn mt trong cc kiu sau Horizontal, Vertical, Ordinate, Horizontal Ordinate, hay Vertical Ordinate. Nu ang chnh sa bn v k thut 2D c th chn thm Baseline v Chamfer.

2. Chn cc i tng gn kch thc ph hp nh bng sau: Gn kch thc cho.... Nhy vo Ghi ch

di on thng hoc cnh on thng

Gc gia 2 on thng Hai on thng hoc on thng v cnh ca m hnh.

V tr ng kch thc nh hng n gc o c.

Khong cch gia 2 on thng Hai on thng song song hoc on thng v canh ca m hnh song song vi on thng

Khong cch vung gc t mt im n on thng

im v on thng hoc cnh ca m hnh

Khong cch gia 2 im 2 im Mt trong 2 im c th l nh ca m hnh.

Bn knh cung trn Cung trn di thc ca cung trn Cung trn, sau 2 im mt ca

cung trn.

ng knh dng trn ng trn Khong cch khi mt hoc c hai i tng l cung trn hay

Tm hay mt im trn cung trn hoc ng trn v i tng kia

Thit k t ng bng SolidWork Gn kch thc cho.... Nhy vo Ghi ch

ng trn (on thng, cnh, nh, im,v.v...).

im gia ca on thng hay cnh

cnh ta cn chn im gia v v Select Midpoint. Sau chn i tng th hai ghi kch thc

3. v tr ng kch thc. Hp thoi Modify hin ln. a thng s kch thc vo hp thoi v kch OK.

3.12.2. Lnh Horizontal Dimension (Kch thc ngang) C th ch ghi kch thc ngang gia 2 i tng. Hng ngang c xc nh

bi hng ca ho tit hin hnh. gn kch thc ngang:

1. ho tit ang m, kch Horizontal Dimension trn thanh Dimensions/Relations hoc menu Tools\Dimensions\Horizontal

Con tr bin thnh 2. Chn 2 i tng cho kch thc. 3. a thng s vo hp thoi Modify

v kch 4. Kch v tr t kch thc.

3.12.3. Lnh Vertical Dimension (Kch thc dc)




C th ch ghi kch thc dc gia 2 i tng. Hng dc c xc nh bi hng ca ho tit hin hnh. gn kch thc dc:

1. Vertical Dimension trn thanh Dimensions/Relations hoc menu

Tools\Dimensions\Vertical. Con tr bin thnh 2. 2 im gn kch thc.

3. v tr t kch thc. 3.12.4. Lnh Fully Defining Sketches (Xc nh hon ton ho tit) Xc nh hon ton ho tit l tnh ton cc kch thc v cc rng buc

ho tit hoc i tng c chn c xc nh mt cch hon ton. xc nh hon ton mt ho tit:

1. Edit Sketch

2. Fully Define Sketch trn thanh Dimensions/Relations hoc menu Tools\Dimensions\Fully Define Sketch. Hp thoi qun l tnh cht Fully Define Sketch xut hin.

3. Thit lp cc tu chn cho Relations v Dimensions trong hp thoi Fully Define 4. OK.

3.12.5. Lnh Add Relations (B sung rng buc) C th to rng buc v mt hnh hc gia cc i tng ca ho tit, gia i

tng v cc mt phng, trc, cnh v cc nh ca m hnh.

Khi ta Add Relation trn thanh Dimensions/Relations toolbar hoc menu Tools\Relations\Add.... Hp thoi Add Relation xut hin.


Trong : Selected Entities(Chn i tng) Hin ln tn cc i tng ho tit c chn. B sung thm vo danh sch

bng cch chn chng trn vng ho. Existing Relations (Rng buc ang tn ti) Relations: Hin cc rng buc ang tn ti ca cc i tng chn. Information: Hin ln tnh trng ca cc i tng chn (Fully Defined,

Under Defined, v.v.). Add Relations (B sung rng buc) C th b sung thm rng buc cho cc i tng chn t danh sch.

Trong danh sch rng buc ch hin nhng rng buc c kh nng gn cho i tng.

3.12.6. Lnh Display/Delete Relations (Cho hin\ Xo rng buc) Khi ta Display/Delete Relations trn thanh Dimensions/Relations hoc

menu Tools\Relations\Display\Delete hp thoi qun l Relations xut hin. Dng hp thoi ny ta c th loi b tng rng buc hoc tt c cc rng buc

bng cch rng buc sau , n nt Delete hoc Delete All




Chng 4. THIT K CC HNH KHI 3D

Trong chng ny trnh by cc cng c trn thanh(Features) thit k cc hnh khi ba chiu trn c s cc bn v phc tho (Sketch) v bng cc cng c chng 2 v chng 3.

4.1. Thanh cng c hnh tit Features

4.2. Lnh Extruded Boss/Base

4.3. Lnh Revolved

4.4. Lnh Sweept

4.5. Lnh Lofted


4.1. Thanh cng c hnh tit Features Thanh cng c hnh tit cung cp cc cng c to cc thnh phn ca m hnh 3D. Rt nhiu biu tng v khng phi tt c u c a vo thanh cng c. Ngi dng c th thm bt cc biu tng trn thanh ph thuc vo tng cng vic mt cch d dng, bng cch thanh cng c bt k, Customize, trong hp thoi Cutstomize mc Commands, Feature, sau cng c thch hp v vo thanh Features.




4.2. Lnh Extruded Boss/Base (To khi c s ng)

Trong hp thoi qun l Extrude c th xc nh tnh cht ca Khi c s ng. C th to cc kiu khi c s ng sau:

Kiu khi ng

Khi c hay thnh mng

Khi ng c s


Ct Khi

To mt

Cc bc to mt khi ng gm: 1. To mt ho tit.

2. mt trong cc cng c to khi ng sau:

Extruded Boss/Base trn thanh Features, hoc menu Insert\Boss/Base Extrude

Extruded Cut trn thanh Features, hoc menu Insert\Cut\Extrude

Extruded Surface trn thanh Surfaces, hoc menu Insert\Surface\ Extrude 3. t cc thng s trong hp thoi qun l tnh cht. pht trin khi ng t mt phng ho tit t cc thng s theo hng 1

(Direction 1) v hng 2 (Direction 2). to khi thnh mng a cc thng s vo mc Thin Feature.

4. OK. Sau y l gii thch cc tu chn trong hp thoi qun l tnh cht Extrude From. t iu kin xut pht cho khi ng Sketch Plane. Bt u pht trin khi ng t mt phng ho tit. Surface/Face/Plane. Xut pht t mt trong cc i tng sau. Chn i

tng c s Surface/Face/Plane. i tng c th l mt phng hay khng phi l mt phng.

Vertex. Xut pht t mt phng song song mt phng ho tit v i qua nh c chn.

Offset. Xut pht t mt phng song song vi mt phng ho tit. Phi a thng s khong cch gia 2 mt phng (Enter Offset Value).




Direction 1 (Hng th 1) End Condition. iu kin cui ca khi ng. Khi cn i hng pht trin

nt Reverse Direction . Chn mt trong cc iu kin sau:

Blind - Mc nh pht trin v 1 pha. Nhp dy Through All - xuyn sut k t mt phng v ho tit. Up to Next- Pht trin t mt phng ho tit n mt tip theo. Up to Vertex- Pht trin n mt phng song song mt phng ho tit v i qua 1

nh xc nh.

Up to Surface- Pht trin t mt phng ho tit n mt c chn. Offset from Surface- Pht trin t mt phng ho tit n cch mt phng c

chn 1 khong c xc nh,

Up to body - Pht trin t mt phng ho tit n mt hnh tit khc. Mid Plane- Pht trin u hai pha k t mt phng ho tit. Nhp dy Direction of Extrusion (Hng pht trin ca khi ng) Chn vec t hng pht

trin trn vng ho (khc vi hng vung gc vi mt phng ho tit)

Flip side to cut (Extruded cuts only). i chiu ct: ct phn vt liu pha ngoi profile. Mc nh ct phn vt liu pha trong profile.

Ct mc nh i chiu ct


Merge result (Boss/Base extrudes only). Hp kt qu. Kt hp phn va dc to thnh vi phn c nu c th.

Draft On/Off nghing. Nhp gc nghing. Chn Draft outward (nghing ra ngoi) nu cn. Mc nh nghing vo trong. V d:

No draft

(khng nghing)

10 draft angle inward

(nghing 10 vo trong)

10 draft angle outward

(nghing 10 ra ngoi)

Direction 2 (Hng th 2): Tu chn ny cho php pht trin hnh khi theo cc hai hng t mt phng

ho tit. Cc tu chn trong mc ny tng t nh Direction 1. 4.3. Lnh Revolved (To khi trn xoay bng cch quay ho tit 2D quanh

mt trc) B sung hay ct bt phn vt liu bng cch quay bin dng quanh mt trc.

Hnh tit trn xoay c th l khi trn xoay, khot trn xoay hoc mt trn xoay. to hnh tit trn xoay thc hin cc bc sau: 1. To ho tit c ng trc, v c mt hay nhiu bin dng.

2. 1 trong cc nt lnh sau:

Revolved Boss/Base Trn thanh Features, hoc menu Insert\ \Boss\Base,\Revolve.

Revolved Cut Trn thanh Features, hoc menu Insert\Cut\Revolve. Revolved Surface Trn thanh Surface, hoc menu

Insert\Surface\Revolve. 3. Nhp cc thng s cn thit vo hp thoi qun l lnh Revolve.

4. OK Cc thng s hp thoi qun l lnh Revolve bao gm:

Revolve Parameters (Cc thng s xoay) Axis of Revolution . (Trc xoay). Chn trc xoay cho khi trn xoay. Trc

ny c th l ng tm, mt on thng hoc mt cnh ca hnh trn xoay.

Revolve Type (Kiu xoay) nh hng quay t mt phng ho tit. Reverse Direction (o chiu), nu cn thit i chiu xoay. Chn mt trong nhng phng n sau:




One-Direction. To hnh trn xoay theo mt hng t ho tit. Mid-Plane. To hnh trn xoay bng cch xoay ng sinh theo chiu kim

ng h v ngc kim ng h t mt phng ho tit, mt phng ny l mt phng

chia i hnh trn xoay. Nhp thng s gc xoay Angle . Two-Direction. To hnh trn xoay theo hai chiu: theo chiu kim ng h v

chiu ngc kim ng h, xut pht t mt phng ho tit vi cc gc xoay khc

nhau. Cn nhp gc hng th 1 Direction 1 Angle v gc hng th 2

Direction 2 Angle . Tng 2 gc khng ln hn 360 .

Angle . nh gc xoay. Mc nh gc xoay l 360 . Gc xoay tnh t ho tit c chn theo chiu kim ng h.

Thin Feature (Hnh tit thnh mng) Thin Feature v nhp cc thng s sau:

Type. nh hng pht trin dy. Chn mt trong nhng tu chn sau: One-Direction (Mt hng) Mid-Plane (t mt phng gia) Two-Direction (Hai hng). Nhp thng s dy cho hng 1 Direction 1

Thickness v dy cho hng 2 Direction 2 Thickness


Direction 1 Thickness . Nhp thng s dy cho trng hp One Direction and Mid-Plane thin feature revolves.

Selected Contours (Chn ng bin) Dng tu chn ny khi to hnh trn xoay c nhiu ng bin. 1. R con tr trn vng ho. Cc vng con tr i qua s i mu,

2. vng ho cn to hnh trn xoay v ta thy c hnh tng lai hin ra. Vng c chn s hin ln trong hp Selected Contours. C th chn t hp cc vng to hnh trn xoay a hnh tit.

3. OK. Sau y l mt th d:

4.4. Lnh Sweept (To khi theo ng dn) Lnh ny dng to cc i tng 3D bng cch ko bin dng theo mt

ng dn vung gc vi mt cha bin dng. Do ta phi to bin dng v ng dn trn hai mt phng vung gc vi nhau.

Khi s dng cc lnh theo ng dn c th to hnh khi c s, hnh khi ct hoc mt mt bng cch dch chuyn Profil (hnh ct) theo 1 hng tun th cc qui tc sau:

Profil phi l kn to khi c s v khi li theo ng dn, i vi vic to mt theo ng dn c th kn hoc h.

ng dn c th kn hoc h. ng dn c th l tp hp cc ng cong v trn cng mt ho tit,

ng cong hoc tp hp cc cnh ca chi tit.

im xut pht ng dn phi nm trn mt phng Profil. C hnh ct c ng dn khng th t ct mnh. ng dn c th c im chung vi Profil trn mt phng ho tit Profil




to hnh Khi theo ng dn: 1. V hnh ct (profil) kn trn mt mt phng. 2. To ng dn. S dng ho tit, cc cnh hay ng cong ca chi tit,

3. 1 trong cc nt sau:

Sweept trn thanh Features hoc chn menu Inser\Boss/Base, Sweep Sweept Cut trn thanh Features hoc chn menu Insert\Cut\Sweep Sweept Surface trn thanh Surfaces hoc chn menu Insert\Surface\

Sweep 4. Trong hp thoi qun l Sweep:

ho tit trong vng ho lm Profile . ho tit trong vng ho lm ng dn Path .

5. Nhp cc thng s tu chn khc trong hp thoi qun l Sweep.

6. OK


4.5. Lnh Lofted (To khi dn mt) Loft l hnh tit c to ra t vic ni cc Profil li thnh mt hnh khi 3

chiu. Khi dn mt c th l khi c s hay khi pht trin, khi ct hoc mt. Ta c th s dng t 2 hay nhiu mt. Ch c php phn t hoc cui hoc c 2 l im. Tt c cc i tng ca ho tit gm ng dn v profil l cc ho tit 3D n. Tin hnh nh sau:

1. To cc mt cn thit m trn s to cc ho tit. C th dng cc mt ca m hnh c. Cc mt khng nht thit phi song song vi nhau.

2. Hy to cc ho tit trn cc mt chn.

3. 1 trong cc kh nng sau:

Lofted Boss/Base trn Features hoc menu Insert, Boss/Base, Loft. Lofted Cut trn thanh Features hoc menu Insert\Cut\Loft. Lofted Surface trn thanh Features hoc menu Insert\ Surface\Loft.

4. Chn cc mt theo th t v cc im trn mi ho tit tng ng trn mi mt. im trn ho tit cng quyt nh hnh dng ca khi kt qu.

5. Kim tra ng cong hin ra.

Nu khng ng nh mong mun do th t chn khng ng th c th s dng cc phm Up hoc Down thay i th t;

Nu ng cong khng ng do chn im khng ng th ta mt c im sai chn li v im cn chn;

xo tt c la chn v bt u li t u th khng gian th v Clear Selection v bt u li.

6. Chn cc thng s thch hp trong Options.7. OK




Chng 5. CC LNH HON THIN KHI 3D Trong chng ny chng ta lm quen vi cc lnh chnh sa v hon thin cc

khi c s 3D c to bng cc lnh cc chng trc to ra cc chi tit chnh xc theo thit k.

5.1. Lnh Fillet/Round 5.2. Lnh Chamfer 5.3. Lnh Rib 5.4. Lnh Shell 5.5. Lnh Dome 5.6. Lnh Simple Hole 5.7. Lnh Hole Wizard 5.8. Lnh Mirro Feature 5.9. Lnh Circurlar Pattern 5.10. Lnh Linear Pattern 5.11. Thay i tn ca cc Features 5.12. Hin th kch thc trn bn v Part 5.13. i tn ca kch thc


5.1. Lnh Fillet/Round (V /V trn) V/V trn l to ra mt mt trn bn trong hoc bn ngoi chi tit. Ta c th

v trn tt c cc cnh ca mt mt khi chn mt , cc cnh c chn hoc cc nh c chn.

Ni chung, sau y l nhng qui tc thc hin v trn tt nht:

Nn tin hnh v ni c bn knh ln trc sau mi v bn knh nh. Hy vt trc khi v trn. Hy vic v m thut sau cng v nh th s gim thi gian ti to chi tit ti to chi tit nhanh hn hy s dng cc cch v n gin cho cc cnh

c bn knh nh nhau. Constant Radius Fillet - V vi bn knh khng i. Tin hnh v nhiu cnh hoc mt. Cc bc nh sau:

1. nt Fillet trn thanh hnh tit, hoc menu Insert\ Feature\ Fillet/Round.

2. mt v cc cnh cn v hoc lm trn. 3. Nhp gi tr bn knh Radius 4. kiu v(Fillet type) l Constant Radius 5. Kim tra li cc mt v cnh hin ra trong bng Items to fillet. 6. Mc nh th cc mt v u c chn l tip tuyn vi cc mt ca chi tit

(Propagate to tangent faces). iu ng cho tt c cc mt, cnh c chn. Nu ta khng mun iu kin ny th hp click to clear.

7. kiu Overflow Type. OK. V d: Hnh 5.1. l th d chn cc mt v cnh v mp. Hnh 5.2. l kt qu sau khi v.

Hnh 5.1.




Hnh 5.2.

Multiple Radius Fillet- V trn nhiu bn knh. (Xem hnh 5.3) Dng Multiple Radius Fillet c th v cc hnh tit nh sau:

C th chn cc bn knh v khc nhau i vi tng cnh chn. C th to cc gc dng cc cnh c cc bn knh v khc nhau nhng c

chung 1 nh.

C th chn c mt, c cnh. Tuy nhin khng c bt u v vi bn knh khc nhau i vi cc mt c chung cnh.

Hnh 5.3

thc hin Multiple radius fillets: 1. nt Fillet trn thanh hnh tit, hoc menu Insert\ Feature\

Fillet/Round. 2. Trong ca s Fillet Type, Constant radius. 3. Trong ca s Items to Fillet, lm nh sau:

Chn Multiple fillet radius


Nhp bn knh cho cnh th nht. Trong vng ho cc cnh, mt cc hnh tit cn v. Nhp cc bn knh cho cc cnh, mt tip theo cho n ht.

4. Nu cn thit trong ca s Fillet Options xo default chn Keep features gi cc hnh tit li

5. OK

5.2. Lnh Chamfer (Vt mp) Dng vt mp cc cnh ca mt chi tit. C cc ch vt mp sau:

Angle Distance: Vt gc vi mt khong cch v mt gc cho trc theo phng cn chn, i chiu vt chn Flip Direction.

Distance distance: Vt gc vi khong cch l khc nhau i vi tng cnh. Vertex: Vt gc cc hnh hp theo 3 cnh.

Sau y l cc v d v tng ch : V d: Angle Distance

a) b) c)

Hnh 5.4 Distance distance:

a) b) c)

Hnh 5.5.




Vertex:

a) b) c)

Hnh 5.6. Trong cc hnh 5.4, 5.5, 5.6 a) l hp thoi Chamfer, b) l hnh trc khi

Chamfer, c) l hnh sau khi Chamfer. to vt cnh, vt gc thc hin nh sau:

1. Chamfer trn thanh Features, hoc bng menu Insert\ Features\Chamfer.

2. Trong ca s Chamfer Parameters, lm nh sau: Chn cc cnh v mt hoc nh sau chn trn hnh vng ho, Trong ca s qun l tnh cht chn 1 trong cc phng n sau:

Angle-distance(Gc -Khong cch) Distance-distance (Khong cch-Khong cch) Vertex (nh)

Chn Equal Distance c cng khong cch vt nh. Nhp cc thng s thch hp vo hp thoi. Chn Keep features gi cc hnh tit li.

3. OK

5.3. Lnh Rib (To gn). L chc nng to gn tng cng vng gia hai mt ca chi tit. Cc bc tin hnh nh sau: 1. To mt mt phmg ct chi tit ti v tr cn to Rib (gn) ri thit k mt

ng bao 2D h m 2 u mt ca n nm trn hai mt cn lin kt cng vng ca chi tit)

2. Rib trn thanh Features, hoc menu Insert\Features\Rib 3. Hp thoi Rib xut hin, trong hp thoi:

nt Mid plane to gn theo hai chiu bng nhau k t mt phng cha ng bao h.


nt Single Side to gn theo 1 chiu. i chiu chn Reverse. 4. Nhp tr s chiu dy gn.

5. Quan st chiu mi tn trn ng bao h, nu cn Flip material side.

6. Mun vt cn gn nt Enable Draft ri nhp tr s gc cn vo Angle. Nu mun cn ngc li nt Draft Outward.

4. OK

Hnh 5.7

Hnh 5.8




5.4. Lnh Shell (Khot l to v mng). L chc nng to mt ci "cc", ngha l lm rng chi tit m mt bao phn

rng song song ( khong cch xc nh) vi mt bao ngoi ca chi tit. a) to cc c dy khng i:

1. nt Shell trn thanh Features hoc menu Insert\Features\Shell. 2. Trong hp thoi Shell xut hin, di mc Parameters: Nhp tr s chiu dy "phn tht" cn li ca chi tit Chn mt hoc nhiu mt m t ta s khot rng chi tit, cc mt c

chn s hin ln

Chn Shell outward dy pht trin ra pha ngoi chi tit. Chn Show preview quan st trc hnh s c to.

3. OK

Hnh 5.9

a) to cc c dy cc mt khc nhau: 1. Thc hin cc bc 1-2 nh trn. 2. Di mc Multi-thickness Seting chn cc mt cn thay i dy v

nhp dy vo mc Thickness (D1) 3. Chn cc mt khc nhau v tr s cc dy.

4. Nu cn nt Shell outward pht trin ra pha ngoi.

5. OK


Hnh 5.10a.

Hnh 5.10.b

5.5. Lnh Dome (To vm cc i tng) Lnh ny c s dng to vm cc i tng 3D rt thun tin cho cc

khi tr trn. Cc bc thc hin lnh: 1. Dome trn thanh Features, hoc menu

Insert\Features\Dome. Xut hin hp thoi qun l Dome. 2. Di mc Parameters, chn v nhp cc thng s thch hp.

3. OK V d:

a) b) c) d) e) f)

Hnh 5.12




Hnh 5.12. a, c: Cc khi ban u cha Dome Hnh 5.12. b, e: Sau khi Dome cc khi hnh a, c. Hnh 5.12. d: Sau khi Dome khi tr hnh c vi kiu chn l Elliptiacl Dome. Hnh 5.12. f: Sau khi Dome khi tr hnh 5.8 c vi kiu chn l Reverse

Direction. V d khc:

Hnh 5.11

5.6. Lnh Simple Hole (Lnh khoan l n). Lnh ny dng to cc l khoan n cho chi tit. to l khoan n:

1. mt to l khoan.

2. Simple Hole trn thanh Features, hoc menu Insert\Features\Hole\Simple. Hp thoi qun l Hole xut hin

3. Chn v nhp cc thng s thch hp vo hp thoi. OK

a) b) c)

Hnh 5.13. a) Hp thoi qun l lnh Hole; b) Chi tit trc khi kt thc lnh v c) Chi tit sau khi khoan.

Thit k t ng bng SolidWork thay i v tr l khoan:

1. ch l khoan trn cy qun l chi tit v Edit Sketch. 2. B sung kch thc cho v tr l khoan, cng c th thay i ng knh l

khoan trong ho tit ny.

3. Thot khi sketch hoc Rebuild 4. thay i ng knh, su v kiu khoan ch l khoan trn cy

qun l chi tit v Edit Feature. Hp thoi xut hin v tin hnh mi sa

cha trong hp thoi ri OK

5.7. Lnh Hole Wizard (Khoan cc l c ren theo cc tiu chun). Lnh ny dng c cc l c ren theo cc tiu chun ANSI (h inh, met), ISO,

DIN, JIP.v.v. to cc l khoan Hole Wizard: 1. To chi tit v chn mt.

2. nt Hole Wizard trn thanh Features, hoc menu Insert\ Features\Hole\Wizard. Hp thoi PropertyManager Hole Wizard xut hin

3. Nhp v chn cc thng s vo hp thoi PropertyManager.

4. . Hp thoi Hole Wizard PropertyManager gm 2 bng sau: Type (Mc nh). Chn kiu l khoan v nhp thng s. Positions. nh v l khoan bng lnh kch thc v cc cng c v ho tit. Cc thng s c bn trong bng Type gm: Mc Hole Specification Thng s ny xc nh kiu l khoan, tiu chun, kiu, kch thc,




Standard (tiu chun). V d chn ANSI Metric hoc ISO. Type (kiu). V d chn Hex Screw hoc Pan Slot Head Size (c) Chn kch c. Fit (Ch i vi Counterbore v Countersink): Chn Close, Normal or

Loose. Mc Section Dimensions (Ch i vi loi Legacy Holes). thng s kch thc sa n. Mc End Condition iu kin cui ph thuc vo kiu l khoan. Dng cc biu tng v m t trn

hp thoi chn phng n thch hp.

End Condition t danh sch. Nu cn i chiu khoan Reverse

Direction . Nhp cc thng s khc ph thuc vo kiu l khoan.

Blind Hole Depth (Ch vi Blind). Nhp su l khoan. i vi l c ren cn nhp su l khoan v su ren.

Vertex (Ch vi Up to Vertex). nh.

Face/Surface/Plane (Ch vi Up to Surface and Offset from Surface only). mt hoc mt phng.

Offset Distance (Ch vi Offset from Surface). Nhp khong cch offset t mt hoc mt phng chn 5.8. Lnh Mirro Feature (Ly i xng qua mt mt cc khi 3 D) L chc nng cho php to mt i xng (qua mt mt) ca mt hay nhiu

hnh tit m hnh. Cc bc tin hnh:

1. nt Mirror Feature/Face trn thanh Features hoc (menu) Insert, Pattern/Mirror, Mirror Feature/Surface. Hp thoi xut hin

2. Trong Mirro Face/ Plane mt i xng.

Thit k t ng bng SolidWork 3. Trong Features cc hnh tit ly i xng. 4. Nu chn mt i xng th chn Faces to Mirror.

5. OK kt thc. Ghi ch: Nu ch mun copy mt v cnh ca hnh tit th nh du

Geometry pattern. Sau y l mt th d v php ly i xng:

a)

b) Hnh 5.14. a) Hnh trc khi ly i xng; b) Hnh sau khi ly i xng

5.9. Lnh Circurlar Pattern (Copy mng trn quanh mt trc) L chc nng cho php to nhiu phin bn (ca mt hoc nhiu hnh tit ca

m hnh) c sp xp cch u mt trc. Nu thay i hnh tit gc th tt c cc phin bn cng c cp nht tng

ng vi s thay i ny. Cng c th chn mt s phin bn b qua khi ang thit lp copy mng trn quanh mt trc. Cc bc thc hin:




1. To cc hnh tit cn copy. 2. To mt trc hoc s dng mt cnh, mt trc c sn ca chi tit lm trc quay.

3. nt Circular Pattern trn thanh Features, hoc (menu) Insert\ Pattern/Mirror\Circular Pattern. Hp thoi xut hin nh trong hnh 5.15.

4. Trong vng Parameters (cc thng s) lm nh sau: Trong vng ho trc chun b trc mc 2. Nu cn, nt i chiu Reverse Direction Nhp s phin bn vo Number of instances Nhp gc gia cc phin bn k nhau hoc chn Equal spacing

phn b u trn vng trn.

5. Trong hp Features to Pattern chn cc hnh tit cn copy. 6. Nu cn b qua mt s phin bn xc nh lm nh sau:

nt Instances to Skip Trong vng ho cc hnh tit cn b qua. Hnh tit cng vi th t v

tr chng s xut hin trong hp Instances to Skip khi phc li hnh tit li v tr ca n trong vng ho OK.

Hnh 5.15

Hnh 5.6


5.10. Lnh Linear Pattern (To mng chi tit theo mt ma trn dng hng, ct)

L cch nhanh chng to ra nhiu phin bn (ca mt hay nhiu hnh tit ca m hnh) c sp xp theo hng, ct.

Cc bc thc hin Linear Pattern 1. To mt hnh tit c s ri trn to cc hnh tit m ta mun c nhiu

phin bn.

2. nt trn thanh Features hoc Insert, Pattern/Mirror, Linear pattern. Hp thoi Linear Pattern xut hin nh hnh 5.17.

3. Trong nhm ca s Direction 1 (hng pht trin th nht) lm nh sau: chn mt cnh ca m hnh lm hng th nht. Tn ca cnh xut

hin trong ca s Direction 1

Reverse Direction v quan st mi tn hng pht trin. Nhp khong cch gia cc phin bn ; Nhp s phin bn ;

4. Trong nhm ca s Direction 2 (Chn v nhp cc thng s tng t nh Direction 1

5. Chn hnh tit cn copy: to dy trn c s hnh tit trong ca s nhm Features to Pattern

hnh tit trong vng ho;

Nu hnh tit copy cha v gc hay cc hnh tit ph khc nn chn bn ca s cy cu trc chn nhanh hn

to dy trn c s cc mt to nn hnh tit trong ca s Faces to Pattern chn tt c cc mt trong vng ho

6. Nu cn b qua mt s hnh tit xc nh lm nh sau:

nt Instances to Skip. Trong vng ho cc hnh tit cn b qua. Hnh tit cng vi th t v

tr ca chng s xut hin trong hp Instances to Skip. khi phc li hnh tit li v tr ca n trong vng ho. 7. Trong vng Options, chn: Vary Sketch- nu mun hnh tit thay i mi ln lp li. Geometry Patern- Nu khng gii li cc hnh tit mi ln lp li 8. OK .




Hnh 5.17

Hnh 5.18

5.11. Thay i tn ca cc Features y l mt cch tt t tn mt cch c ngha ca Features trong mt chi

tit (Parts), c bit khi bn thit k mt bng. V d: M chi tit Totor1 nh hnh 5.19 thay tn Extrude1 thnh mt tn c ngha y , ta tin hnh nh sau: - FeatureManager design tree ri sau Extrude1 ri n phm

F2 (Extrude1 nm trong ca s qun l cy thit k FeatureManager design tree)

- Nhp tn mi nh l Khoi 1 ri n phm . Tng t ta cng c th i tn Extrude2 thnh Khoi 2; Cut-Extrude1 thnh

Khoan Phi 50; Fillet1 thnh V 4 gc - Save ghi li d liu. Kt qu ta c nh hnh 5.20


Hnh 5.19

Hnh 5.20

5.12. Hin th kch thc trn bn v Part Bn c th hin th hoc n i tt c cc kch thc ca tt c cc hnh tit

trong chi tit Part. Cch tin hnh:

- hin th tt c cc kch thc ca tt c Features: Annotations trong FeatureManager design tree, chn Show Feature Dimensions v Display Annotations. n tt c xo cc la chn .

- n i: nhng biu tng nm trong Feature Manager design tree m khi bn tin hnh thao tc c nhp kch thc v la chn Hide All Dimensions (cng c th lp li thao tc nh trong phn hin th).

hin th tn ca kch thc ta Tools, Options. Trn khung System Options General. Ti ca s bn phi Show dimension names v

OK. Tn xut hin l tn mc nh cng c th thay i ci tn ny.




Hnh 5.21

5.13. i tn ca kch thc Ta c th thay i tn kch thc ring l. Tn kch thc thao tc tt vi i

tng 3D v n c bit c ch khi ngi thit k s dng thit k mt bng lit k kch thc v thuc tnh ca chi tit. Ta s dng tn kch thc nhn bit cc phn t trong bn thuc tnh thit k cn thay i.

Hnh 5.22

thay i tn ca mt kch thc no (V d: Kch thc 120(D1) ca Khi 1)

1. kch thc 120(D1) v Properties. Hp thoi Dimension Properties xut hin.

Thit k t ng bng SolidWork 2. Trong hp thoi hp Name ta nhp tn mi vo (V d: Di). 3. Apply, sau OK. Trong hp thoi Dimension Properties ta cng c th thay i cc thng s

khc ca kch thc nh mi tn, phng ch, v.v.... Tng t ta thay i tn cho cc kch thc khc ca chi tit.

Hnh 5.23




Chng 6. TO CC NG V MT PHC TP TRONG KHNG GIAN Trong phn u ca chng ny trnh by cc lnh to cc mt phc tho khc

nhau nh mt nghing, mt vung gc vi mt ng cong, mt tip xc vi mt cong theo mt ng sinh.v.v..Nhng mt ny s l cc mt trung gian thc hin thit k cc chi tit phc tp.

Tip trnh by cc lnh ch yu to cc ng cong t n gin n phc tp. Chng c dng to ng dn cho lnh Sweep to cc chi tit phc tp nh l xo, b mt ren ca bu lng, cc mt son vt v cc b mt phc tp khc.

6.1. Lnh Plane 6.2.To ng cong xon vt 6.3. To ng cong a hp bm theo mt bin dng 6.4. To ng cong t do qua cc im xc nh 6.5. To ng cong 3D qua cc im c xc nh bng to XYZ 6.6.Lnh Split line 6.7. Lnh Offset Surface 6.8. Lnh Radiate Surface 6.9.Lnh Extruded Surface 6.10.Lnh Revolved surface 6.11. Lnh Extended Surface 6.12. Lnh Trimmed Surface


6.1. Lnh Plane (To cc mt phng phc tho) Dng lnh ny c th to cc mt phng trong cc bn v chi tit 3D hay bn

v lp. C th s dng cc mt phng v ho tit, to cc nht ct, lm mt phng trung gian vut nghing v,v...

C th chn trc cc i tng trc khi nt Plane. Nu cc phn t c chn trc, SolidWorks s c gng chn kiu mt phng thch hp. Mi mt ln c th chn cc kiu mt phng khc nhau. C th vng ho v chn kiu mt phng trn menu ng hin ra trn mn hnh.

Sau khi chn s i tng thit lp mt phng s xut hin con tr OK

th to mt phng. to mt phng ph thc hin cc bc sau:

1. nt Plane trn thanh Reference Geometry hoc menu Insert\Reference Geometry\Plane. Hp thoi qun l lnh Plane xut hin.

2. Trong nhm Selection hy chn kiu mt phng cn to v cc phn t cn to mt phng:

Through Line/Points: To mt phng i qua mt cnh, trc, on thng ho tit v mt im hoc qua 3 im.

Hy 3 im.

Hnh 6.1




Parallel at Point: To mt phng qua 1 im v song song vi mt phng hoc 1 mt. V d:

Hnh 6.2 Cc bc tin hnh nh sau:

Hy mt phng hay 1 mt. Sau im m mt phng mi s song song vi mt va chn v i

qua im ny.

At Angle. To mt phng i qua mt cnh, trc hoc on thng v nghing mt gc so vi mt mt mt phng

1. mt phng to hoc mt phng ca chi tit, sau chn cnh, trc hoc ng ca ho tit.

2. a gi tr gc nghing gia cc mt phng vo Angle 3. nh du vo Reverse direction nu cn ( i hng)

Hnh 6.3

Nu ng chn thuc mt phng chn mt phng mi s quay quanh trc chn

Nu ng chn song song mt chn, mt phng mi s dch sang ng thng song song v quay quanh ng.

Hnh 6.4

Nu ng chn ct mt phng chn th ng thng s chiu ln mt chn v mt phng quay quanh hnh chiu ca ng thng,


Offset Distance: To mt phng song song vi 1 mt phng hoc mt bit v cch mt khong xc nh. Cc bc nh sau:

a. mt phng to hoc mt phng trn chi tit. b. a khong cch dch chuyn vo trng Distance. c. nh du vo Reverse direction (i hng) nu cn. d. to nhiu mt phng cch u nhau a s lng mt phng vo trng

Number of Planes to Create

Hnh 6.5

Mt mt phng song song Nhiu mt phng song song

Normal to Curve. To mt phng i qua 1 im v vung gc vi 1 cnh, trc hoc ng cong.

a. Chn cnh, trc hoc ng cong v 1 nh hay 1 im. b. nh du vo Select the Set origin on curve a gc to vo im

chn

Hnh 6.6

Trong th d ny ch chn l xo to mt phng mi, mt

phng mi vung gc vi u cui ca l xo cn.

Vng trn to l xo Dy l dng lm u tip xc cho b ngun pin.

On surface. To mt phng trn mt khng phi l mt phng hoc mt gc. a. mt. b. 1 im ho tit trn mt.

Hnh 6.7

3. OK to mt phng




6.2.To ng cong xon vt, lnh Helix and Spiral Dng lnh ny c th to ng xon vt hay l xo trn chi tit. ng xon vt

c th lm ng dn cho lnh Swept feature hoc lnh Lofted feature. Cc bc to ng cong xon vt nh sau: 1. M mt ho tit (sketch) mi v v ng trn. ng knh ng trn s

qun l ng knh ca ng xon vt.

2. Helix/Spiral trn thanh Curves hoc menu Insert\Curve\Helix\Spiral. Hp thoi Helix/Spiral PropertyManager xut hin nh hnh 6.8.

3. Nhp cc thng s thch hp vo hp thoi Helix/Spiral PropertyManager

4. OK

Hnh 6. 8

Cc thng s trong hp thoi bao gm: Defined By Pitch and Revolution. To ng xon vt xc nh bng bc xon (Pitch)

v s vng xon (Revolutions) Height and Revolution. To ng xon vt xc inh bng di dc trc

(Height) v s vng xon (Revolutions) Height and Pitch. To ng xon vt xc nh bng Height and Pitch. Spiral. To ng xon vt xc inh bng Pitch and Revolutions. Parameters

Thit k t ng bng SolidWork Constant Pitch. Bc xon khng i cho c dng xon vt. Variable Pitch. Bc xon thay i theo vng thng s (Region Parameters) Region Parameters (Ch i vi Variable pitches). Nhp s vng (Rev) hoc

cao (H), ng knh (Dia), v bc xon (P) cho l xo c bc xon thay i. Height (Ch vi Helix). Nhp di dc trc. Pitch. Bc xon. Bc xon nm trong gii hn 0.001 -200000. Revolutions. S vng xon. Reverse direction. Thay i hng pht trin. Start angle:Gc xut pht. Clockwise: Xon theo chiu kim ng h. Counterclockwise: Xon theo chiu ngc kim ng h. Taper Heli

Design

Huong dan co ban solidwork2008