| 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 =z/F=1^< OKqpc;y:D The surface marked R1 is conic surface (aspheric surface) with folowing equation: Ih7Eq/iu Y^2=2 R1_0 X - (1- e^2) X^2 where R1_0 = -10.700B0.010 & e^2 = 0.060B0.003 X^W>
"q G8s`<:9* The surface marked R2 is conic surface (aspheric surface) with folowing equation: @Y,F&8a$ Y^2=2 R2_0 X - (1- e^2) X^2 where R2_0 = 13.698B0.013 & e^2 = 0.106B0.003 d<Os TA 8<kme"%s 还有下面这个图 } 8P}L@q ^%d{i'9? [attachment=34561] V~_nyjrJM f UIs(}US 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? gAj)3T@
zEB1Br, 下面的小格子里都是什么意思啊 nX~MoWH1 :#/bA& 谢谢
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