| 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 f0Q! lMv
$] xH"Z%"
The surface marked R1 is conic surface (aspheric surface) with folowing equation: (T$cw(!
Y^2=2 R1_0 X - (1- e^2) X^2 where R1_0 = -10.700B0.010 & e^2 = 0.060B0.003 )B +o
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x5#]n
The surface marked R2 is conic surface (aspheric surface) with folowing equation: ^|6# Vx
Y^2=2 R2_0 X - (1- e^2) X^2 where R2_0 = 13.698B0.013 & e^2 = 0.106B0.003 P^=B6>e
lP)n$?u
还有下面这个图 & wtE"w
b;d7mh 4
[attachment=34561] u {&=$[;
jD"nEp-
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？ qd wo 2u
wJJ|]^0.
下面的小格子里都是什么意思啊 Q:7P
/
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谢谢
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