的二零件连接, 以中等装配精度画其螺纹联接装配图。
1.Choosing dh 确定孔径ddhChh=: o1i.c1edb=y GB/T 5277 or
2.Choosing nut 确定螺e母= :
11
17.77
16
∵D<16 ∴ Choice (GB/T 6170 M10 8).4
s=
3.Choosing washer 确m定=垫C=圈ho:ice (GB/T 197.1 10 )
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Bolt Joints 螺栓联接的画法
Points 画图要点:
⑴ The contact surface of two parts is represented as a line. 两零件接触面画一条线。 ⑵ When two joint parts are cut the directions of their section lines shall be reversed. 相邻件剖面线方向应相反。 ⑶ When a section face cuts the fastening parts these are not drawn according to section drawings, but still following their outlines.
d=110200d.51=d2
2
h=
16
4.Choosing bolt 确定螺s=
栓:
Choice ( GB/T 5782
40
M10× l ?
)6.4
5.Choosing bolt 确定螺k栓= 有效长度l:
a =(0.3~0.5)d
lˊ=δ1+δ2+ 0.15d(h垫圈厚)+ 0.8d(m螺母厚)+ a