1. HlfONG DAN cAc BAI T~P VE TRONG 2D BAIT~P 1 T~o biin ve khOi tbUy (Prototype Drawing) 1. XlIe I~p dan vi ve, dung I~nh UNITS - Doo vi dl) dhl ChQD h~ 2-Decimal (ddll. vi co sO Iii mm). - Do g6c chQn h~ 2-Degrees/mimutes/seconds, g6c 0° 6ng v(ri kim d6ng h6 hie 3 gio, chieu dUdl1g eua g6c 13. chieu quay nguqc chieu kim d6ng h6. 2. D~t gio; h~n b3n ve (Ung vo; khO giay A4=297,210), dung I~nh LIMITS - Cho diem g6c tnU dum (Lower left comer) ia 0,0 - Cho di~m g6c ph3i tren (Upper right comer) HI. 297,210 3. Hi~n thJ toan-bQ giOi h~n ve ra maD binb, dung I~nh ZOOM vOll"a ch9D ALL 4. Ve khung baD ve va khung ten, dung I~nh LINE. Chu y dung cae each cho tQa dl) tuy¢t d6i, tl1dl1g d6i (@). 5. D~t cae thOng s6 khae - D~t lum treo man hlnh: + l~nh SNAP: d~t luCri. + lenh GRID: bien luOi ra man blnh. - T~o lap cho ban ve. dung I~nh LAYER·' . - T~o kieu ghi kich tlmac. diing I~nh Dim V AR de xie djnh eac bien kichtbuac tboo kieu ghi ella ffilnh: . _ DimCEN: d~t dQ dai dail tam dllt'lng tron, vi <ill cbQn ~mm. DimDU: d~t khoang each cae duOng U:h thu\jc. N nhau. YO: 6mm. Diml'X'r. d~ dQ cao chil siS kiclo IhuiicrYO: 4mm. . DimEXE: dQ dhl duimg kich tbuac \'1lQl quadueJng d6ng. YO: 3mm. DimASZ: dQ dhl ~mfii ten duimg kich dluac, VD: 4uun DimEXO: dQ hiJ cua duimg dOng to; g6c gbi klcl).tbuac, VD: 2mm DimCLRD: m~u cho duimg kich thuac, VI): red DimCLRE: milu cho duimg d6ng. VD: red DimCLRT. milu cho chi! s6 kich tbuOc, YO: red DimTAD: dot ON de ghi chi! s6 kich tbu6c len teen duimg klch tbuac DimTIH: dot OFF ghi chi! s6 kich tbu6c hUUng dQC tboo duimg kich tbu6c DimTIX: d~t OFF chi! s6 kich tbmJc do dQ dai. do g6c du<;IC ~t a trong hay IJ ngoai 2 duiing dong tuy du chb hay khOng; elm d6i vo; chi! s6 kich tbuac duiing kinh, ban kinh tbi se ghi ra ngoai cung tron. D<}.t ON thl chu s6 kkh thuOc dAi, gOc se luOn ghi 0 trong, con kich thuoc ducrng kfnh, ban kinh ghi 0 trong cung tron. 122 DimSCALE: d~1 tY I~ cua \dch thu&:, VD: 12 DimlOFL: d~1 ON thl dulmg kich thu&: luOn vo ben trong 2 duimg d6ng. - T~okii!u viel chil, dilug I¢nh STYLE. 6. C~I giil ban vi! khiri Ihuy (PD) vita Il,lo, dung I~nh SAVE AS vOl ten mm, vi d\l "A4.dwg". BAIT~p 2 Sir d\mg cae each cho t<;>a d() tuy¢t d6i, t<;>a" d() mang d6i (@) ella diem de vi! hlnh. a. Ve tam giae deu nhu hinb 1 -I¢nh OPEN rna ban vo khi1i thuy (A4.dwg, bili I~pl i1 tren) - Command: line From point: To point: To point: To point: P'\ f- _ ,,60"-_-1.1"' Hlnbl @60<60 @60<-60 c b. V@ hinh thang C3n nhu hlnh 2 <chi con tro cho 1 diem tren man hinh> <choP2> <cho P3> <dong kin tharm tam giac> ~p~, L L ~~P4 H"mh2 Hiiy sit dl:mg d. 2 each cho tQa de) tt1ang d6i: - @ p«p (loa d¢ c\IC luang d6i ) -@ x2,y2 (so vm diem xl,yl da c6) BAIT~P 3 VO hlnh duOi day vm be rQng ntl a 0,7. Hiiy. oiI dyng I~nh PLINE(l~nh nay dn thiel trong vo 3 chieu) voi Osnap rnode/CEN vlIl~nh PEDIT. HuUng d!n vo bftng 2 each: a. Cach 1: cho b~ t1)ng n~t(width) IJ1Itjc khl ye polyline 1. ~nh open rna ban vi! khiri thuy A4.dwg" (bal ,*p 1 da lam) 2. Vi ebu vi ngoai, drra hi r~ng n~t 0.7 vao b"rl6r khi 1'1 Command: pline From point: <dung con trb cho P1> Current line wi""th is 0 Arc/Close/Halfwidlh/Length/Undo/Width/<Egd poinl of line>: W Den day b~ dap W de! cho be r¢I\g 001 0.7 thl ti'r.day vo polyline se c6 be [~ng 1.0.7; C\l the nhu sau: . Startingwidth< >: 0.7 Ending width< >: 0.7 123 Arc/Oose/Halfwidth/Length/Undo/Width/<End point of line>: @120,0 Arc/Close/Halfwidth/Length/UndofWidth/<End point of line>: a Angle/CEnter/CLose/Direction/Halfwith/Line/Radius/Secondpoint/ Undo/Width/<End point of arc>: @O,-IOO Angle/CEnter/CLose/Direction/Halfwith/Line/Radius/Secondpoint/ Undo/Width/<End point of arc>: I Arc/Close/HalfwidthjLength!UndofWidth/<End point of line>: Arc/Oose/Halfwidth/Length/Undo/Width/<End point of line>: Arc/Oose/ /Length/Undo/Width/<End point of line>: a Angle/CEnter/CLose/Direction/Line/Radius/Secondpoint/Undo/ @-120,0" @0,20 Width/<End point of arc>: R Radius: 30 Angle/<Endpoint>: @0,60 Angle/CEnter/CLose/Direction/Halfwith/Line/Radius/Secondpointl UndofWidth/<End point of arc>: 1 Arc/Oose/Halfwidth/Length/UndofWidthl<End point of line>: c P1 P2 3. Vo du/mg Iron $50 eli b~ r(lng net 0.7 Command: donut Inside diameter< >: 49.65 Outside diameter< >: 50.35 Center of doughnut: <dung Osnap/CEN va chi V30 cung tron> Center of doughnut: .j b. Cach2: ve vOi be rQng net m~c dfnh, chua cho be r(mg net 124 1. Ve chu vi ngoai Command: pline From point: <dung con tro cho PI> Current liI)e width is 0 Arc/Oose/Halfwidth/Length/UndofWidth/<End point of line>: <cho P2> - Ve ti€p cac do~n khac tUC1Ilg tl;t nhu phAn a 0 tren. - G9i I¢nh PEDIT d6i b<\ rQng net thanh wdJ.7: Command: pedit Select polyline: <chi vao polyline da v~> Open/Join/width/Editvertex/Fit/Spline!Decuve/LtypeGenjUndo/eXit< >: w Enter new width for all segments: 0.7 Open/Join/width/Editvertex/Fit/ /LtypeGen!Undo/eXit< >: .J 2. Vo duimg trim $50 c6 be r(lng net 0.7 nhu;' philn a lJ tren BAIT~P 4 Ve ehi tiet may dum day. Huang dan sau sir d~ng cae ·l¢nh CIRCLE, LINE, COPY, Osnap/CEN theo tdnh tv sau: 1. Vo 2 duimg trim d6ng tam $30, $50 phia tren dinh - l¢nh open mb ban vo khlri thuy (A4.dwg) - Command: circle (ve dUOng tron ~30) 3P/2PfITR/<Center point>: <dung chu¢t chi 1 diem> Diameter/<Radius>: 15 - Command: offset (ve duemg trOn ~50) offset distance or Throught<Throught>: 10 Select object to offset: <chi vao duemg trim ~30> Side to offset: <chi 1 diim viing ngoru duang tron ~ 30> Select object to offset: .J '80 o ~ Ii 2. Vi! 2 duimg Ir/)o $30, +50 phis cltnlI.WI\ plulJvlt Wn Inii - Command: copy Select objects: <Chi vao 2 duimglron+30, +.50> Select objects: .J <Base point or displacement>/Multiple: cEN of <chi vao du<mg tron ,SO> Second point of displacement: @90,-110 - Command: copy Select objects: P <Previous> Select objects: .J <Base point or displacement>/Multiple: CEN 125 of <chi vao dui1ng tron ~SO> Second point of displacement: @-90,-llO 3_ Ve 2 tie'p tuy€n ben ph.i, ben trai - Command: line Frompoint: TAN To <chi vao dUCmg trOD $50 a tren dinh> 10 point: TAN To <chi vao duang tron $50 ben trai> To point: .J - l~p l~i nha v~y de ve tie'p tuyen ben phai. 4_ Ve eung tiep xue R150 - Command: circle 3P!2PfTIR/<Center point>: TTR Enter tangent spec: <chi vao dUCmg trOD $50 ben tnii> Enter second tangent spec: <chi vao duang trlm $50 ben phai> Radius< >: 150 - command: Select cutting edges .,_ Select objects: Trim (ch~t cae cung thua) <chi vao 2 dUOng trOD ~50 ben trai, phai va 2 duemg th~ng ti€p tuy€n tnii, phai> <Select objects to trim>/Undo: <chi vilo phAn dum cung R150 va phla dl100 duimg tron ~SO trtn dinh> <Select objects to trim>/Undo: .J 5_ Ve trlle d6i xUng - I~h linetyPe/set de g9i ki~u dui1ng center ra vi!: 126 Command: Linetype ? /Create/LOad/Set: L Linetype(s) to load: Center Linetype(s) to load: .J - Command: line' Line From point: CEN <vi! In!C di qua tAm dui1ng trOn <\>SO ph!a trtn dinh> of <chi V30 tron $50 tren dinh> To point: 4n F8 va di chu"t xu6ng duOi d~ chi di~m tha 2 cua ~c> - dung I~nh MOVE dm trl!c nay len cho clln Mi. BAIT~P 5 Ve hlnh chieu cua chi tiet may dum da.y, ~ r(mg net ve Ii'!. O.Smm. 1. Ve cbu vi Dgo~i - I~nh open mo bim vi; kMi thuy (A4.dwg) - ve chu vi ngoai dung l~nh PLINE (hay PL) : Command: pi From point: <cm 1 di!m A tren man hlnb> Current line width is 0.000 Are/Oose/Halfwidth,lLengthNndo/Width/<End point of line>: w Starting width< >: 0.5 Ending width< >: 0.5 Arc/Oose/Halfwidth/LengthNndo/Width/<End point of line>: @11S,0 .r 5B 1 -1'> , 7 , B , , < 94 74 Arc/Oose/Halfwidth/Length/Undo/Width/<End point of line>: Angle/CEnter/CLoselDirection/HalfwidthlLine/ /Width/<End point of arc>: Angle/CEnter/CLoselDirection/HalfwidthlLine/ /Width/<End point of arc>: Arc/Oose/Halfwidth/Length/Undo/Width/<End point of line>: Arc/Oose/Haifwidth/LengthfUndo/Width/<End point of line>: Angle/CEnter/CLose/DirectiooJHa\fwidth/Line/ . /Width/<End point of arc>: Angle/CEnter/CLose/Directioo/Haifwidth/Line/ /Width/<End point of arc>: Arc/Oose/Haifwidth/LengthfUndo/Width/<End point of line>: Arc/Oose/Halfwidth/LengthfUndo/Width/<End point of line>: 2, Dung I~nh FILLET d~ IU<!D trim 2 goc I.:!i A va B Command: fillet PolylinelRadius/<Select first objest>: R Enter fillet radius: 7 Command: .J Polyline/Radius/<Select first objeHl>: . P a @0,-90 L @-168,0 a @0,68 L @53,0 c Select 2D polYline: <chi v~o polyline dii vi!> 3, V~ CiIc du/mg Iron _ trong F34 va F4S .' - Qe vi! dutmg tron 4>34 c6 ~ ~ng n6t Il 05, ~ dMg I~ DONUT (xem bai ~p 3) 4, Vi! 16 khuill va CiIc dU/mg I",c . - l¢nh line vi! tt1!c dUng di qua tarn duimg tron b!n pOOi <1>45 nhu sau (I> dAy vhl dilng dUOng continuous): Command: From point: of Th point: line CEN <chi VB-O dumag trim <D45> <Jfn F8 va keo Ie con tro len sal mep tren mm hlnh, blfrn phfm chu~t de! xac dinh dic!m thll 2 cus tt1!c dUng> - l¢nh MOVE diJi trl,lc d6 xu6ng cho can d6i Ve cae trl;lc ngang cling tuang ll! 127 - l~nh OFFSET VO trl!c cua lO khu~t va 2 dUOng khuM: Command: offset Offset distance or throught<Throught>: 74 Select object to offset: Side to offset: Hai duang khua't cung dung l¢nh offset wong tt! - l~nh CHANGE de thay dOi kieu dUOng: Command: change <ve tr~c 10 khua.:t> <chi vao tIl,lC dUng da ve> <chi 1 di~m 0 ben tnii ~c> Select object: <chi V3.0 cae- ~c dUng va ngang> Properties/<Change point>: p Change what property(Color/Elev/Layer/LTypefThicknees)?: LT New linetype< >: center De thay d6i d.c dl1Cmg continuous thanh cae dl1Cmg dlit{hidden) cung lam tl1C1ng t\l. BAIT~P 6 Ve hloh chit!u eua chi ti~t may dum dAy . 10 YO dau ben Irai - rna blm ve khOi thuy A4.dwg - l~nh RESfANG vo hinh chi! nhAt, dlnh tha nhilt cbo bfutg 'con tro, dinh tha 2: @96,-80 - l¢nh circle ve duemg tron ben trong: Command: circle 3DI2DfITR/<Center point>: oX of <bat diem giua MID q.nh nAm ngang eua hloh chfr nh~t> (need YZ): oY of < bat di~m giUa MID qnh thfing dUng eua hloh chii' nh~t> (need z): 0 Diameter/<Radius>: 24 - l~nh FILLETlugn 2 goc R13 20 YO pMn ben ph"i - l¢nh line ve cac t~c th~ng dUng, n~.m ngang qua HIm 0 - l¢nh OFFSETtIQc mam ngang voi khoang cach 5 de ve 16 ~10. khoang cach 20 ve tn~c $40; sau do offset tf\lc thkg dUng v6i khoiing cach 54 va 176 - l¢nh ARC v6i h,ra ch9n Start, End,Radius de ve cac eung R13 - l¢nh trim eh~t cae do ,.n thira 128 - ~nh CHAMFER vat d~u 2x45° 3. Dung I~nh change dili cae duimg true tMnh dUimg cenler, duimg bao 16 +10 !banh duimg hidden. BAIT~P 7 Ve hloh chieu cua chi tiet sau day. Hu6ng dan nay se dung cac l~oh CIRCLE, LINE, OFFSET, CHANGE, 1RIM. Osnap/CEN theo cae bucle: ". 1. Vi! 2 duimg Iron d6ng lam I~i 011a +60,+100 - rna: ban ve khOi thuy A4.dwg - l~nh circle ve duang tron $60 - I¢nh of set ve dUCmg trim +100 2. Vi! 2 duimg Iron d6ng tam I~i 02 la +60, +30 - l¢nh copy de copy duang tron +60 sang trai khoang each Ia 150. ~ dung l~nh circle vai osnap/CEN di ve duemg tron $30. 3. Vi! liep tuyen dulii viii duimg Iron +100 v8 +60 - l¢nh line v6i osnaprrAN. 4. Vi! eung tjep xue R80 vOi +100 v8 +60 - I¢nh eirclefITR - l~nh trim ch~t cung thita 5. Vi! cae duimg lAm Ihang dUng, nam ngang Il!i 01 V8 02 - l~nh line vOi osnap/CEN va F8 6. Vi! 2 duimg ngang each nhau 15, va cae 16 +16 -1~nh offset, chQo duemg tam ngang di qua 0102 dua 1m 7.5 va xu6ng 7.5 - l~nh offset, chQn duang tam thiing dUng qua 01 dl1a sang tnii 8 va sang phai 8; tuang tI! chQn duemg tam thiing dUng qua 02 va dl1a sang tnii 8, sang phai 8. - l~nh trim ch~t cac phan thua. 7. D6i ki~u dU<mg net -l~nh change vai Iva chQn LTYPE d6i cac duang 16 +16 thanh net dm(hidden}, dOi cae duang tam thanh net tam(center}. 129 . deu nhu hinb 1 -I¢nh OPEN rna ban vo khi1i thuy (A4.dwg, bili I~pl i1 tren) - Command: line From point: To point: To point: To point: P' f- _ ,,60" ;-_ -1 .1"'. V8 02 - l~nh line vOi osnap/CEN va F8 6. Vi! 2 duimg ngang each nhau 15, va cae 16 +16 -1 ~nh offset, chQo duemg tam ngang di qua 0102 dua 1m 7.5 va xu6ng 7.5 - l~nh offset,. objeHl>: . P a @0 ,-9 0 L @-1 68,0 a @0,68 L @53,0 c Select 2D polYline: <chi v~o polyline dii vi!> 3, V~ CiIc du/mg Iron _ trong F34 va F4S .' - Qe vi! dutmg