| sansummer |
2011-06-28 10:55 |
请问谁知道国际光学图纸这个标注什么意思？
Surface quality: 60-40 qbS'|--wH
slU
The surface marked R1 is conic surface (aspheric surface) with folowing equation: fCgBH~w,9
Y^2=2 R1_0 X - (1- e^2) X^2 where R1_0 = -10.700B0.010 & e^2 = 0.060B0.003 i 8l./Yt/
wYZT D*A2h
The surface marked R2 is conic surface (aspheric surface) with folowing equation: G 9DJa_]X
Y^2=2 R2_0 X - (1- e^2) X^2 where R2_0 = 13.698B0.013 & e^2 = 0.106B0.003 2R^O,Vu*W
SArfczoB
还有下面这个图 M]}l^ m>L
3`8dii
[attachment=34561] kf<c, 3A
Dc08D4
里面的半径公差给了，但是咱们国家标准一般使用光圈来表示，如何换算呢？ IQ ){(Y
t?gJNOV
下面的小格子里都是什么意思啊 q`XW5VV{K
C>.e+ V+':
谢谢
|
|