| 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 7y^)n<'co t!wbT79/ The surface marked R1 is conic surface (aspheric surface) with folowing equation: "L5w]6C4 Y^2=2 R1_0 X - (1- e^2) X^2 where R1_0 = -10.700B0.010 & e^2 = 0.060B0.003 1o5kP,) *ssw`}yE' The surface marked R2 is conic surface (aspheric surface) with folowing equation: UZ/LR Y^2=2 R2_0 X - (1- e^2) X^2 where R2_0 = 13.698B0.013 & e^2 = 0.106B0.003 $-DW+|p.?^ g Nz 还有下面这个图 vgc~%k62c X,3"4 SK [attachment=34561] Dz hLb8k VP< zOk7 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? '[6]W)f 4r;le5@ 下面的小格子里都是什么意思啊 iOm&(2/ )Fd)YJVR 谢谢
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