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 oX!s u 3$WK%"%T The surface marked R1 is conic surface (aspheric surface) with folowing equation: [wIyW/+ Y^2=2 R1_0 X - (1- e^2) X^2 where R1_0 = -10.700B0.010 & e^2 = 0.060B0.003 !4-NbtT QWfwoe&;R: The surface marked R2 is conic surface (aspheric surface) with folowing equation: &Sc0l/ Y^2=2 R2_0 X - (1- e^2) X^2 where R2_0 = 13.698B0.013 & e^2 = 0.106B0.003 I"Y?vj9] >TK`s@jdSV 还有下面这个图 Fda<cS] Q7`zrCh [attachment=34561] ,>"1'i&@ @(Q4 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? Gz^g!N[ J&
yDX> 下面的小格子里都是什么意思啊 (Z6[a{}1i z?FZu,h} 谢谢
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