| 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 3\|PwA9fN8 u}jC$T>2%6 The surface marked R1 is conic surface (aspheric surface) with folowing equation: |W SvAM3 Y^2=2 R1_0 X - (1- e^2) X^2 where R1_0 = -10.700B0.010 & e^2 = 0.060B0.003 &qm:36Y7Xg - ysd`& The surface marked R2 is conic surface (aspheric surface) with folowing equation: mvyOwM Y^2=2 R2_0 X - (1- e^2) X^2 where R2_0 = 13.698B0.013 & e^2 = 0.106B0.003 I$f'BAw TEbE-h0)] 还有下面这个图 [t]q#+Zs >NA{* *$0 [attachment=34561] tSiQrI D ~NWP%H 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? fBPJ8VY -B:O0;f 下面的小格子里都是什么意思啊 okBaQH2lUl #o(@S{(NZ 谢谢
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