250.000000000 D 外径% W( b" J# T H" x0 [3 j
273.000000000 d 内径
; s8 N7 Z, p8 j. \+ a0 I180.000000000 P 螺距2 d1 }7 v2 }5 z0 I
3.141592654 π
5 Y, q, R$ n: L7 u8 y9 ^2 @805.760681014 L
1 s) Y+ Q2 Z1 S0 S0 H. r9 a876.339971934 l 6 k, E% Q! @0 F" q- j. P
-11.500000000 a (D-d)/2, i( O+ ^! [& l
142.788480104 r1 展开内半径
2 r5 L2 x9 H, d* ~131.288480104 R1 展开外半径& p- d% w, }( Q5 w+ w0 z
262.576960208 D1
; G: w0 n2 {9 i# f6 G/ h) n' _285.576960208 d1
1 `3 a; e- r3 t- P! x # l' j% j+ ~; q0 W" V0 p! e5 {. @" i
8.357 α 缺口角' r" S4 Y( `$ F* e4 g3 C
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发表于 2006-9-22 13:34:21
