| 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 $vdGkz@6 J~:/,'Ea The surface marked R1 is conic surface (aspheric surface) with folowing equation: fO.gfHI Y^2=2 R1_0 X - (1- e^2) X^2 where R1_0 = -10.700B0.010 & e^2 = 0.060B0.003 )A['+s vF;%#P The surface marked R2 is conic surface (aspheric surface) with folowing equation: m4*Rr Y^2=2 R2_0 X - (1- e^2) X^2 where R2_0 = 13.698B0.013 & e^2 = 0.106B0.003 TUiXE~8= d*T;RBk 还有下面这个图 -~
`5kO~ c;ELAns> [attachment=34561] |YQ:4'^" s"G6aM 里面的半径公差给了,但是咱们国家标准一般使用光圈来表示,如何换算呢? EpCUL@+ x1$tS#lS 下面的小格子里都是什么意思啊 G)?O!(_ 0@t/j< | |