7 AD - Chi~u diii til thanh c~p qua duimg ngang Cit dqc vai, kich thuGe thea hinh 7 AI... Chu y : Lung ding gay, cat giam dtng nhieu... 8.11 Lot yay duqc c,tt dl'a thea than chfnh eua ya
Trang 12 Dip moi (h 7 AD)
- Chi~u diii til thanh c~p qua duimg ngang
Cit dqc vai, kich thuGe thea hinh 7 AI
Trang 2v - 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
Trang 4I -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 ;
- 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
Trang 6A - 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
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,)
Trang 7+ Chi~u dili chiet (CIC'I) = 17
+ Ban to chict = 2,5
- Xac djnh vj trf tfl:lC chiet (e l ) :
+ Til chict (Cl ) den A2 chia lam hai philn b~ng nhau
+ Chieu d"i chiet (C, C' ,) = 15,5
Sang dau d.c dl10ng ke ngang eua
than sau lam duong ke ngang elm
than tmac, bao g6m :
Trang 84 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,):
* 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
Trang 9•
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
Trang 10IV - 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
/ /
B
/ / /
Trang 11B - THAN SAU (h 8.8)
Thi€t k€ gi6ng than tmac nhlffig cat giam giUa lung 2 em
Chu y : Lung ding gay, cat giam dtng nhieu
)1/
/ / /
C - CHI TI€T PHI,)
1 C~p yay (h 8.9)
• C'.lP ngoai :
/ / /
Dlll1g hlnh chii nh~t ABeD
A
/ "'::::"'+,8, /
X
Hinh 8.8 -Thc1n :wu
o '"
Trang 12Ttr ClAy xu6ng I em (ng6e dau eap 3 em), ta dl1<;1e C j
Danh eong dl1img ehan e~p AC j
VO DC, song song vmAC, C,c, vuong g6e v6iAC j t~i C, Cjc, = 4
* Cqp (rong:
Thiet k€ tuang ttl nhu c;:tp ngoai nhLtng njng ban c<;lP trong IOn han
rting bim c~p ngoai 0,5 em
2, Day lu60 IMI lung (h 8.10)
La m~t hlnh ehi! nh~t e6 ehi~u diii AB = 6 Chieu r9ng Be; = 4 eM
khi may xong dl1<;1e sqi day lu60 thilt IltDg r9ng I em diii 6 em)
Trang 133 Lot vav (h 8.11)
Lot yay duqc c,tt dl)'a thea than chfnh eua yay :
- DuOng ngang eo ella viti l6t trung v6i duCtng ngang eo than yay
eua y;j.i ngoai
- Hai dlrang stron va dUOng trl,lc yay trung khft hai du6ng suOn va
dUCmg tfl,lC ella yay ngoai
- Dhi yay 16t ngtm hon dili yay ngoai khoang 15cm (duOng gau yay 16t cao han duemg gau ngoai it nh<1t 5 em)
Hinh 8.11- L6t l'(IY
151
Trang 14· ,
o -QUY D!NH CAT GIA DUONG MAY
1 , Yay ngoai (than truac va than saul
Trang 15• ' " I , .,
THIET KE VAY 8 MANH
1- D~C DIEM KIEU MAu (h 8.12)
- Yay dai, xoe, canh sqi d9C
- Duge gh6p tit 8 manh (4 tmae va
4 sau) giong nhau
- C6 day lu6n tMt lung
- Cap lien Mir khoil keo gilta lung
- C6 lap l6t ngin Mn ngang g6i
II - s6 DO MAu (em)
1 Yang bung (Yb) : 64
2 Yang mong (Ym) : 88
Trang 16IV· PHUONG PHAp THIET KE
6 Nang gau phia c~nh suCm d€ yay
tron deu Giiun suCm 0,7 Danh cong
c~nh suCm de t~o dang yay
B THAN SAU (h 8.14)
1 Hai manh c:;mh Sl1Cm d.t tuang til
nhu 4 manh thAn twac
2 Hai manh gifra ca.t giam gifra lung
2cm (trlI cho phAn ItIng yang Chu y:
lung cang gay, ding yang thi ding
Trang 17Hinll 8.14 -1'htil1 1'(111
C - CHI TIET PHI)
1 _ C~p trong (h 8.15)
D~t mieng vai C~lt c~p a dUm,
xep 2 manh thAn yay a tren
- VO dui'mg ccng vcng b~ng
va danh dA'u c~ suem, ~c
gifra yay AA, = BB, = 5
- Nhac thAn yay tr~n ra
- Ve dUCmg cong du6i cua
cl,lp trong ca.ch deu duemg
cong trtn cua C<:lP 5 cm Hinlr 8.15 -C(/P lrang
155
Trang 182 Lot yay (h, 8.16)
156
- Dqa thea dubng cong duai eila c<,lP tcong, ve dltbng cong c~p 16t
A,B" A,B, c6 d6 dili dulmg cong biing dQ dai dulmg cong A,B,
Trang 193 • Dl)'ng c~p Ch 8.17)
Thiet ke dl!Dg qp dlfa thea c~p trong a hlnh 8.15
Luu y ' Ban rQng dl!Dg qp nho han 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
Trang 204 D\Ing : cat dUt vach pMn
San se dL1<;1c trang bi v$t tL1 dEl thL1C hanh theo quy trinh cua tai li$u
ho~c tra [oi cae cau hoi sau :
1 Neu r6 nhUng yeu cau can thi8't dEl thiet ke va cat yay xoe (hoac yay 8 mimh) ?
2 Neu day du cac cong thuc thiet ke than yay va cac chi tiet phu
cho yay xoe?
3 Giai thich cac dL1iJng cat gia dL1iJng may khong bang nhau cua
kieu yay can chap 8 manh ?
4 Neu day du cac cong thuc thiet ke than yay va cac chi tiet phy cho yay 8 manh
158
Trang 22I -D~C DIEM KIEU MAU
Ao yay lien eo, co chiet eo va chiet sucm ; c6 d~m vai, c6 tran r(mg,
kh6ng tay, dti khoa sau llII1g (h 9.1)
IV - PHUONG PHAp THIET KE
M6i quan h~ giila than sau va than tru6c (h 9.2)
160