| 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
]aakEU
esu6iU@
The surface marked R1 is conic surface (aspheric surface) with folowing equation: a 5 )[?ol
Y^2=2 R1_0 X - (1- e^2) X^2 where R1_0 = -10.700B0.010 & e^2 = 0.060B0.003 v*BA\&
Q#g
s) 2
The surface marked R2 is conic surface (aspheric surface) with folowing equation: !s)$_tG
Y^2=2 R2_0 X - (1- e^2) X^2 where R2_0 = 13.698B0.013 & e^2 = 0.106B0.003 aQ~x$T|
! 6 $>|
还有下面这个图 5^d%+*l;q
iGU N$
[attachment=34561] 1k/l7&n"
x)* /3[
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？ 6|dUz*Pr|\
tt[_+e\4
下面的小格子里都是什么意思啊 \qTn"1b Q
O@=mN*<gg0
谢谢
|
|