| 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 T eG5|`t], a)4.[+wnRf The surface marked R1 is conic surface (aspheric surface) with folowing equation: zF(I#|Vo Y^2=2 R1_0 X - (1- e^2) X^2 where R1_0 = -10.700B0.010 & e^2 = 0.060B0.003 (C,PGjd hp,bfcM The surface marked R2 is conic surface (aspheric surface) with folowing equation: pF#nj`L Y^2=2 R2_0 X - (1- e^2) X^2 where R2_0 = 13.698B0.013 & e^2 = 0.106B0.003 z)q9O_g9 .5|wy< 还有下面这个图 sju. `f>-r //>f#8Ho [attachment=34561] LwkZ (Tt
4'?kyTO~ 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? a7nbGqsx >I8R[@ 下面的小格子里都是什么意思啊 D>~z{H%\ zhKb|SV 谢谢
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