| 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 *fN+wiPD .fWy\r0 The surface marked R1 is conic surface (aspheric surface) with folowing equation: s^u Y Y^2=2 R1_0 X - (1- e^2) X^2 where R1_0 = -10.700B0.010 & e^2 = 0.060B0.003 O:?3B!wF 7xnj\9$m The surface marked R2 is conic surface (aspheric surface) with folowing equation: N
R
c4*zQJ Y^2=2 R2_0 X - (1- e^2) X^2 where R2_0 = 13.698B0.013 & e^2 = 0.106B0.003 'lIs`Zc5N '/O:@P5qY 还有下面这个图 217G[YE- x80IS:TP [attachment=34561] 4 OPY '#6eUb 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? P~ObxY| "L3mW=!* 下面的小格子里都是什么意思啊 g Wtc3 x^1udK^re 谢谢
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