[degrees]alpha=20 压力角% ~/ n; p; z0 O7 Q0 U( S% j
[mm]b=15 齿宽, _. y( O: \$ M" o
cx=0.25???$ n6 u' D8 O5 c
[mm]d=m*z& |5 J% W& l8 I* R9 ^; ^3 Y7 Z2 [
[mm]da=d+2*ha
3 w9 Y6 ^( M2 L2 j7 g+ B/ y[mm]db=d*cos(alpha)0 L3 K4 S. \+ B
[mm]df=d-2*hf
3 K) |8 L2 a |+ m[degrees]fi=360/(z*4)
* q$ K- L5 t \[mm]ha=(hax+x)*m& ]' E9 G! W9 @$ d5 B. S& y4 f
hax=1???3 b" h4 N2 S+ O. {& |5 y/ m. |
[mm]hf=(hax+cx-x)*m
. `, g, q& ?9 _- J* i* f2 a[mm]m=2.5
# D% z( B9 x0 m7 A8 \pi=3.1416???
7 G7 o6 x6 v$ n5 `6 T7 `9 I( p5 U$ w; qt=0???
! J) J1 P0 T3 J/ {) S[degrees]theta=90*t???% g e2 T5 N) P% o
x=0??7 m% y- b u& a) i) c: i
xt=db*cos(theta)/2+sin(theta)*pi*db*t/48 j+ \1 ~$ _9 Q$ ?
yt=db*sin(theta)/2-cos(theta)*pi*db*t/47 T p) M0 x, e, M) _% m! a( ]
z=17???. i# n2 ~7 L) W7 E; e* D
zt=0??? |