| 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 hsJGly5H 6XnUs1O The surface marked R1 is conic surface (aspheric surface) with folowing equation: ""IPaNHQ Y^2=2 R1_0 X - (1- e^2) X^2 where R1_0 = -10.700B0.010 & e^2 = 0.060B0.003 X.ZG-TC (3=bKcD' The surface marked R2 is conic surface (aspheric surface) with folowing equation: S'`RP2P Y^2=2 R2_0 X - (1- e^2) X^2 where R2_0 = 13.698B0.013 & e^2 = 0.106B0.003 /l8wb~vl Tq?f5swsI
还有下面这个图 'C @yJf |nU%H=Rs/ [attachment=34561] IsjN
xBM <[=[|DS l 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? g[;&_gL L@J$kqWY 下面的小格子里都是什么意思啊 rS+ >oP} ]#7baZ 谢谢
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