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Machined finish symbols
3

Machined finish symbols

Machined finish symbols

(OP)
Is anyone familiar with machine finish symbols on prints from Japanese companies? Following the symbols are Rz100
on another feature Rz25, Ry6.3 . I'm at a loss, I don't have the expertise for these. And thats why I'm here. This is the place for answers. Thanks.   

RE: Machined finish symbols

If you have a machinerys handbook check page 713.

6.3 MicroMeters = 250 MicroInches
25 MicroMeters = 1000 MicroInches

Best Regards,

Heckler
Sr. Mechanical Engineer
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RE: Machined finish symbols

just my 2 cents.
I hear every day it called surface finish. It's not a finish but a surface roughness. I see dwgs all the time with it called out on the finish note, should not be. Not picking on anyone, just wanted to be clear. Sorry.
thanks.

Chris
Sr. Mechanical Designer, CAD
SolidWorks 05 SP3.1 / PDMWorks 05
ctopher's home site (updated 06-21-05)
FAQ559-1100
FAQ559-716

RE: Machined finish symbols

(OP)
Codeeng,
Thanks a bunch that info was just what I needed. Kudos

RE: Machined finish symbols

I would read the disclaimer at the bottom of http://www.predev.com/smg/parameters.htm page....it reads under construction!  I would verify this data against the correct ISO spec which is listed in the Machinerys Handbook.  Out of caution I would not start using this data until you understand its origin.  Best of luck

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