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 )'kpO> _G T >8P1p@A, The surface marked R1 is conic surface (aspheric surface) with folowing equation: V}V->j* Y^2=2 R1_0 X - (1- e^2) X^2 where R1_0 = -10.700B0.010 & e^2 = 0.060B0.003 ! VR&HEru j4IVIj@$` The surface marked R2 is conic surface (aspheric surface) with folowing equation: W{;Qi&^ca Y^2=2 R2_0 X - (1- e^2) X^2 where R2_0 = 13.698B0.013 & e^2 = 0.106B0.003 |<Ls;:5. Ic(qA{SM 还有下面这个图 Qxz[ M|blg!j; [attachment=34561] akvi^]x pyhXET
' 里面的半径公差给了,但是咱们国家标准一般使用光圈来表示,如何换算呢? h,{Q%sqO mI8EeMa{ 下面的小格子里都是什么意思啊 8$NVVw]2, OD)X7PU 谢谢
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