| 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 1XqIPiXJ g[m3IJzq The surface marked R1 is conic surface (aspheric surface) with folowing equation: Po'-z<}wS Y^2=2 R1_0 X - (1- e^2) X^2 where R1_0 = -10.700B0.010 & e^2 = 0.060B0.003 Y||yzJdC P/C&R-{') The surface marked R2 is conic surface (aspheric surface) with folowing equation: C usVW Y^2=2 R2_0 X - (1- e^2) X^2 where R2_0 = 13.698B0.013 & e^2 = 0.106B0.003 gTqeJWX9wP oK#\HD4U 还有下面这个图 P#w}3^ (m<R0 [attachment=34561] 7fap* : :F! 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?
o G(0i wCV>F- 下面的小格子里都是什么意思啊 jK\V|5k '.]e._T 谢谢
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