[degrees]alpha=20 压力角
% a$ i" Q* u: V: ]7 @$ j[mm]b=15 齿宽
% A) y5 L* h* s1 w3 z1 B2 ]cx=0.25???
7 v# ^) L4 H" h, L ~' ^/ `. B[mm]d=m*z9 Q; b8 k8 _9 @! z; f1 x
[mm]da=d+2*ha7 Q; C* s/ O9 ~& G( N1 @
[mm]db=d*cos(alpha); y( ~/ ]! e, r1 A4 ^
[mm]df=d-2*hf
+ O V& ]3 A+ f( g3 r[degrees]fi=360/(z*4)+ G' y3 j! W- V6 z6 ~* ?- g6 } i0 ?
[mm]ha=(hax+x)*m4 x- h) h! {$ B7 F5 o% o
hax=1???
- _$ G% l. S( w[mm]hf=(hax+cx-x)*m
% |& c* O. C# J7 t[mm]m=2.5
$ J% w/ l0 ~+ X+ b2 S# Kpi=3.1416???
? B( }* d# v/ Zt=0???
* `1 b1 G4 ^$ t[degrees]theta=90*t???
! B1 @! ?0 M {! C8 F7 v1 Z4 Ix=0??# B/ H% X2 k7 G2 i
xt=db*cos(theta)/2+sin(theta)*pi*db*t/4" t2 |# \ h8 c, {% f1 ]8 ^
yt=db*sin(theta)/2-cos(theta)*pi*db*t/4
/ b1 U$ @) G9 K7 k. r/ l; y: [z=17???
- U2 O; `" W) n E2 R. L/ ]zt=0??? |