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 Pl:4`oY3 ):G%o The surface marked R1 is conic surface (aspheric surface) with folowing equation: UXBWCo;- Y^2=2 R1_0 X - (1- e^2) X^2 where R1_0 = -10.700B0.010 & e^2 = 0.060B0.003 0* F` h (`dz37@* The surface marked R2 is conic surface (aspheric surface) with folowing equation: KBB)xez8 Y^2=2 R2_0 X - (1- e^2) X^2 where R2_0 = 13.698B0.013 & e^2 = 0.106B0.003 j J{F0o ,yGbMOV 还有下面这个图 =Q(J!f y<FC7 [attachment=34561] R BHDfm'~7 @FN|=?8% 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? (2#Xa,pb hE {";/}J 下面的小格子里都是什么意思啊 RD:G9[ MWv@]P_0p! 谢谢
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