| 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 Cmu@4j& T
_r:4JS The surface marked R1 is conic surface (aspheric surface) with folowing equation: >u>5{4 Y^2=2 R1_0 X - (1- e^2) X^2 where R1_0 = -10.700B0.010 & e^2 = 0.060B0.003 "33Fv9C#bK eP.wOl The surface marked R2 is conic surface (aspheric surface) with folowing equation: #||}R[~P" Y^2=2 R2_0 X - (1- e^2) X^2 where R2_0 = 13.698B0.013 & e^2 = 0.106B0.003 EJj.1/]|r H[m:0eF'5 还有下面这个图 ^/uA?h:]\ _> f`!PlB| [attachment=34561] :8I9\eet3 svsq g{9z 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? LU
\i0|i| d^@ dzNv 下面的小格子里都是什么意思啊 i6R~`0>Q F7A=GF' 谢谢
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