2. Dip moi (h. 7 AD) - Chi~u diii til thanh c~p qua duimg ngang m6ng 25 cm. - Ban to : dau tr~n 8em, dau du6i Scm. 8 I I I I "' N I I I ~ 3. Dip lui doc Hinh 7.40 - Dlip moi Cit dqc vai, kich thuGe thea hinh 7 AI. 21 !. 21 Hinh 7.41 - Dap lui dQc 4. ThAn lui dQc Cit thea huang dan tren hlnh 7042. I 13 I I I N I I I 16 I a I - Hinh 7.42 - Than flli dQc i 1 139 v - QUY DINH CAT GIA DUONG MA Y 1. Dqc quan, giang quan thAn twac va than sau = 1 2. Gau quan thAn tmac va than sau = 4 3. Mep thanh c~p, cua quan than trUcIC = 0,7 4. Yang diing tMn sau : - Tren c<;IP =3 - Ngang m6ng = 1,5 - Dau giang = 1 * Ole chi tiet khac kh6ng phiii cat gia duemg may. cAu H61 vA sAl T,iip 1. Neu t6m t~t eOng there thiet ke quan au nO' (quan thvng) 2 Iy chim, C9P lien, tu; dQc cheo, ella qUi3n khoa keo. 2. Hay thiet ke quan au nO' kiiiu dang nhlf bili hoc theo ty 1$ 1: 1 voi s6 do eua em. 140 .CHl1aNG 8 THIffT ICE vA y • THIET KEVAv (JUYP) BO Hinh 8.1 141 I - D~C DIEM KIEU MAU (h. 8.l) - Yay c~p Ii~n, m~c vUa mong, b6 g6i ; - Khoa keo gifra lung, xe sau ; - C6 lOp 16t. II - s6 DO MAU (em) l. Diti vay (Dv) : 55 (ea cap) 2. Vang bung (Vb) : 64 3. Vang rnong Vrn : 88 4. Cit d~ng m6ng (CDm) : 4 (3 ",6) I CDt = I CDs = I Chil,Y: Luqng cud¢ng co the'them, bitt thea y thfch, thai trang va chdf Ii¢u vai, III - TIEU CHUAN vAl - LOp ngoai (kh6 viii 115crn) : 60crn - LOp 16t (kh6 viii II 5cm) : 50cm IV - PHUONG PHAp THlltT KE M6i quan h~ giila than tnroc va than sau (h. 8.2) 142 C 3 C, C 1 I A, A, A I I I I C'3 - C', C', C', 8, 8 3 8 , - x, i 3 3 , X3 X, x Hinh 8.2 - M6I quan h¢ gh1a fhiin trflbc va than sau 143 A - THAN SAU (h. 8.3) Gap hai mat phiii up vllO nhau. gau yay phfa tay wH, c~p yay ve phfa tay phai, mep vai ve phia ngvai c~t. Dl!J1g m¢t dllimg thang song song va each mep vai 4cm lam dltemg dJ.!I1g yay, tren d6 xac dinh cae dO<;ln: 1. Chi~u dili vay (AX) AX = So do Dv = 55 2. H~ mong (AB) Yrn AB= 4 =22 3. R<)ng ngang c~p (AA I ) AAI = ~b +5(chiet)=21 4. R<)ng ngang mong (BB I ) Yrn BBI = 4 + l(CDs) = 23 5. R<)ng ngang gau (XX I) XX I =BB I -3=20 C, C , A, C', ~ C', 3 x, Hinh 8.3 - TI/(ln .WII Ve dvemg dqc yay qua cae di~m AI' 8 1 , Xl Ian cong deu. 6. Dong qp phia d<.>c vay (AlA,) Al A, = 1. YO dllimg chan CaP cong Mu noi AA,. 7. Ke vi; chi€! 144 - Xac d!nh vj trf trl!c chiet (C 1 ) : + AC I = AA, - 1 = 6 3 A B x, x + Chi~u dili chiet (CIC'I) = 17 + Ban to chict = 2,5 - Xac djnh vj trf tfl:lC chiet (e l ) : + Til chict (C l ) den A2 chia lam hai philn b~ng nhau. + Chieu d"i chiet (C, C' ,) = 15,5 + Ban to chiet = 2,5. - Ke chiet theo hlnh 8.3. 8. Xe sau (XX,) XX, = IS. B - THAN TRUCle (h. 8.4) Sang dau d.c dl10ng ke ngang eua than sau lam duong ke ngang elm than tmac, bao g6m : - Chan c~p (A) - Ngang m6ng (B) - N gang gau (X) 1. RQng ngang qp (A,A,) A,A4 = Vb + 5(chiet) = 21 . 4 2. RQng ngang mOng (B,B,) Vm B 2 B, = - + I(CDt) = 23 . 4 3. RQng ngang gall (X, X,) X3 X. = B, B, - 3 = 20 C 3 I I I I I L C', I C'3 B, I I I I I I I I i X3 As ~ B3 3 Hinh 8.4 - Thdn tn(oc 10- GTTKQA - A 145 4. Dong c~p phia dQc yay (A4A,J A4 As ~ l. 5. Ke vo chiet Ttrong tu nhu than sau. C - CHI TlET PHI) 1. LOt c~p (than twac vii than saul - Chi~u dai 1/2 16t cap (BB,): Vb BB'~4+2~IH - Ban to 16t cap (AB) : AB~5 - D(> cong 16t cap (B j B,) : B j B, ~ 1,5. 2. L6t Yay 18 Hlllh 8.5 - L6! C~IP * Can elf V~lO Ifin ngoai than yay tnrac va S<lU d~ cal Hll1 16t : - Phfin C<:lP ca.t giam tu tn~n xu6ng 4clll. - Phlln gall c~t each gau yay lOcm. D - QUY £l!NH CAT GIA £lUONG MAY 1. Duemg suem ~ 2 2. Gau yay ~ 3 3. L6t c~p : khOng cat gia duemg may. A ? • • _ CAU HOI VA SAl T.II.P 1. Neu 16m tat ciing Ihuc Ihiel ke yay bo. 2. Thiet ke yay bo Iren giiiy A4 Iy Ie 1/5 thea 56 do bili h9c dii cho. 3. Thiel ke yay bo IrEm giiiy AD Iy Ie 1: 1 thea 56 do cua mol ngLIoi m~c c~ th&. 146 10- GTTKQA- B • THIET KEVAv XOE - Vay dai, xoe, cheo sqi. - C6 hai manh : truac va sao. - Goe xoe t<:,-o boi hai c~nh suan : I ~Oo (goe xoe ca Yay I" 360°). - C,!p rai. Ma khoa suan. - Co 16p lot (h. 8.6). II - 86 DO MAU (em) 1. Dai yay (Dv) : 60 2. Vang bung (Vb) : 64 III - TIEU CHUAN V AI - KhO 90 em : 160em - Kh6 115 em: 120em - KhO ISO em: 80em Hillh 8.6 IV - PHUONG PHA.P THilJ:T KE A - THAN TRuoe (h. 8.7) Xep dUOng bien viii trung vai dlfbng cat ngang kh6 viii d~ t~o thanh goc 45°. Hai m~t phai up vao nhau. 1. Dung tam giac can co day BBI ~ Vb/4 - 2 ~ 14. 2. Quay mQt cung tron co ban kinh AB. 3. Xac dinh dai yay : BX ~ Dv ~ 60 cm. 4. Quay tiep cung tfim 16n co ban kfnh : AX ~ AB + BX ~ 14 + 60 ~ 74. - Phf3 thien sqi (trl.lc gifra yay) eM giam 2cm d~ tranh x¢ yay. 148 - Phia qmh suOn, ben canh sqi ngang cat giam 4 em (vai d¢t dmg bai dan dmg giiim nhit~u). ,.4/ , / / / / / B / / / < A B - - - x Hinh 8.7 - Th/il11nrUc [...]... 115 em : 170 em - KhO 140 em : 140em Hinh 8.12 153 IV· PHUONG PHAp THIET KE A - THAN TRUCJe (h 8.13) A I • Diii vay AX H~ 2 I = Dv + 5 (cap lien) = 70 I I I mong tinh tir ngang cap AB= 18+5=23 B 3 R(mg bung AAI = Vb/l6 = 64/16 = 4 4 R(mg ngang mong BBI = Vm/16 + 0,5 = 88/16 + 0,5 = 6 5 • Rong ngang gfiu XXI = 2,5 4 I-A, BBI = 2,5 6 = 15 6 Nang gau phia c~nh suCm d€ yay tron deu Giiun suCm 0 ,7 Danh cong... 8. 17) Thiet ke dl!Dg qp dlfa thea c~p trong Luu y ' Ban rQng dl!Dg qp nho han ahlnh 8.15 ban rQng cua qp trong O,Scm o - QUY £l!NH CAT GIA £lUONG MAY 1 Hai manh giita than truck - Duang giap vai cae manh : 1 - Cap: 0,6 - Gall: 3 2 • Bon manh Slltm va 2' manh sau chinh giua - Duang giap vai cae mimh : I - Duimg suim : 2 - Duimg tra khoa : 2 - Dip: 0,6 - Gall: 3 3 C~p Viing xllng qllanh c~p : 0 ,7 1 57. .. vay (Dav) : 110 2 He eo (He) : 37 3 R¢ng vai (Rv) : 38 c6 (Ve) : 33 4 Vang 5 Vang nMe (Vn) : 84 6 Cir d¢ng (CD) :TI:2:TS:I Chu S' : LU(1ng cu drJng c6 the'them, hirr, tuy theo :y thich, thai (rung vu chdt Ii¢u vai III - TIEU CHUAN VAI Kh6 vii 1l5cm : 230cm IV - PHUONG PHAp THIET KE M6i quan 160 h~ giila than sau va than tru6c (h 9.2) N ~ = ~ - 1\ N ~ N 11-GTTKQA_A h~ gh7a (h{1Il Intite 1'(/ rhein !... 2 - Dip: 0,6 - Gall: 3 3 C~p Viing xllng qllanh c~p : 0 ,7 1 57 4 D\Ing : cat dUt vach pMn 5 Lot - DuOng SllOl1 : I - Cap: 0,6 - Gau : 1 - Duimg tra khoa : 2 ? ~ , , ~ CAU HOI VA SAl TAP San se dL1 . thuGe thea hinh 7 AI. 21 !. 21 Hinh 7. 41 - Dap lui dQc 4. ThAn lui dQc Cit thea huang dan tren hlnh 70 42. I 13 I I I N I I I 16 I a I - Hinh 7. 42 - Than flli. c~p : 0 ,7. 1 57 4 . DIng : cat dUt vach pMn 5. Lot - DuOng SllOl1 : I - Cap: 0,6 - Gau : 1 - Duimg tra khoa : 2 ~ ? , , ~ CAU HOI VA SAl TAP San se dL1<;1c trang bi. cong Mu noi AA,. 7. Ke vi; chi€! 144 - Xac d!nh vj trf trl!c chiet (C 1 ) : + AC I = AA, - 1 = 6 3 A B x, x + Chi~u dili chiet (CIC'I) = 17 + Ban to chict = 2,5