|
【20160417】Profile-shifted gears/ ]$ h! g: d: C) H
+ n6 T$ y* T: O4 a" yTo avoid interference on small pinions, the tooth form can be changed from the standard.
3 l2 G* \; K& [$ P0 E為避免小齒輪的干涉問題,齒的形狀可以從標(biāo)準(zhǔn)型作適當(dāng)轉(zhuǎn)化。
# K- _" `" K& @6 N8 q' f" A
Cha 08-2016.jpg (73.81 KB, 下載次數(shù): 59)
下載附件
2016-4-17 22:17 上傳
$ y, G: C# k9 {
Standard gears:/ V$ S( T0 p- [' \! k
apinion= agear
3 U7 @/ j( N2 W5 k/ Z: Y標(biāo)準(zhǔn)齒輪:大輪小輪齒頂高相等3 `' Y! Q8 d! [9 Z0 Y, x
Cha 08-2016.jpg (49.28 KB, 下載次數(shù): 53)
下載附件
2016-4-17 22:17 上傳
0 T0 U, N5 K' [: GProfile-shifted gears:
3 z- C' n3 j7 D: O+ c1 r8 x3 vapinion> agear
; `2 @, q W) i ?7 @' c* Z. h變位齒輪:小輪齒頂高大于齒根高
' N+ F( a& D G9 \# V; I8 I/ B% n. z' f' t, c
The AGMA defines addendum modification coefficients, x1 and x2.% x" a, ?9 d4 E
x1>0: is applied to increase the pinion addendum
/ q: H5 d, t2 F4 ax2<0: is applied to decrease the gear addendum8 J6 A7 I U2 C' c$ }7 I: m
X1提高小輪齒頂高,X2提高大輪齒頂高。
" N4 T( a# w; H# R# W
3 U7 |3 X" Q# }# A7 }3 ~Objective
# J+ w- c( a7 f3 f1 HTo shift the pinion addendum circle outside its base circle and eliminates the noninvolute portion of pinion tooth below the base circle.
}$ F) x- k8 @8 c8 FThe standard coefficients are ±0.25 and ±0.50
3 G* M/ O8 Y- j目標(biāo)' R6 C# t/ q; N' S" E) P
改變小輪基圓外的齒頂高,減小基圓內(nèi)非漸開線部分的齒。1 n/ E- ~/ w" K. {! g
標(biāo)準(zhǔn)系數(shù)正負(fù)0.25和正負(fù)0.5." q3 n( x" d7 Y. j, f
4 J( {) @* ~: {7 g; f. b1 f |
|