[degrees]alpha=20 压力角
# `' d0 ?, o3 q- @+ x[mm]b=15 齿宽
& i- T# l3 \. j1 r# X3 ycx=0.25???/ v, k% r. b% C( A6 d! g w
[mm]d=m*z+ |, L u& ?1 |; [* M Q1 l& E& }
[mm]da=d+2*ha
. |( S: K3 P5 f# z$ a8 |6 J# C& S" p2 a[mm]db=d*cos(alpha)" @- W% F' y! q, M# b
[mm]df=d-2*hf
- u$ Y4 l5 l" v" J2 A! ]( ^) C4 C6 Y[degrees]fi=360/(z*4)
6 }( E6 x& {% \9 @[mm]ha=(hax+x)*m
: t' \! r/ p: Dhax=1???' l) ^8 ^# Z h% s4 P
[mm]hf=(hax+cx-x)*m
2 W$ [, n' o# S$ [[mm]m=2.5
$ |) S9 V5 {& @' @9 s `- S+ \pi=3.1416???
$ y) A; O0 t3 H- N8 r* Ct=0???# ~% E- i! z: Z
[degrees]theta=90*t???
! G5 i0 r% i$ e, y6 [+ ux=0??
4 C% N# a, v( e) a( h; bxt=db*cos(theta)/2+sin(theta)*pi*db*t/4 H' i" s! f5 m& F; f. s
yt=db*sin(theta)/2-cos(theta)*pi*db*t/4
9 t, `, `; ^ Z wz=17???
$ K i/ U; `& V8 k7 f# {8 j& bzt=0??? |