number of teeth 13 ) d9 n' J* ^$ e/ N# \6 Z5 F# ^1 Y
diametral pitch 18
9 I, s4 `# |& o# z8 m: x# ~pressure angle 20度
; l! y5 E4 ?" E$ I9 Y# r6 x* x% iref.cylinder dia 0.7222
9 c9 y& U. [! `% Ycircular pitch 0.1746 ) \2 V( G1 o* T( N6 F( }$ V
addendum 0.0704 (=1/pd的話應(yīng)為0.0556) . \3 @9 d/ d; g% p+ i2 f% _& w
dedendum 0.0505 (=1.15708/pd的話應(yīng)為0.0643) & E) N" }( Q9 h+ W D. J
circular tooth thickness 0.101/0.099 + P9 A, {9 C7 I" i
concentricity within 0.002 t.i.r 7 Y0 y* P" l6 F9 T" y- h+ H
請幫忙看齒頂高和齒根高是否計算有誤!謝謝! |