| 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 Ng2qu!F7 >k5nU^|B1 The surface marked R1 is conic surface (aspheric surface) with folowing equation:
a?_N8|k[ Y^2=2 R1_0 X - (1- e^2) X^2 where R1_0 = -10.700B0.010 & e^2 = 0.060B0.003 ]:d`=V\&N 7?xTJN)G The surface marked R2 is conic surface (aspheric surface) with folowing equation: hIE$u t + Y^2=2 R2_0 X - (1- e^2) X^2 where R2_0 = 13.698B0.013 & e^2 = 0.106B0.003 pri=;I(2A eNR>W>;' 还有下面这个图 [td)v, WL:CBE# [attachment=34561] !ffdeWHR 7E6gXf. 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? (w}iEm\b u,I_p[`E 下面的小格子里都是什么意思啊 J4&d6[40 (
$A0b 谢谢
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