| 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 7^q~a(j B[t^u\Fk The surface marked R1 is conic surface (aspheric surface) with folowing equation: nVb@sI{{k Y^2=2 R1_0 X - (1- e^2) X^2 where R1_0 = -10.700B0.010 & e^2 = 0.060B0.003 BX@Iq fd\RS1[ The surface marked R2 is conic surface (aspheric surface) with folowing equation: RdTM5ANT Y^2=2 R2_0 X - (1- e^2) X^2 where R2_0 = 13.698B0.013 & e^2 = 0.106B0.003 W lMcEje @X2*O9 还有下面这个图 p
T(M>LP83 HGDrH [attachment=34561] e#(Ck{e >Jz9wo` 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? :HkBP90o )h!cOEt 下面的小格子里都是什么意思啊 B`5<sW G 6sK3K 谢谢
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