【转帖】machined finish symbols

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machined finish symbols
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.   
check out our whitepaper library.
if you have a machinerys handbook check page 713.
6.3 micrometers = 250 microinches
25 micrometers = 1000 microinches
best regards,
heckler
sr. mechanical engineer
sw2005 sp 4.0 & pro/e 2001
dell precision 370
p4 3.6 ghz, 1gb ram
xp pro sp2.0
nivida quadro fx 1400
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just because i'm paranoid doesn't mean that they aren't out to get me.
- woody allen

go here for a proper definition:
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
codeeng,
thanks a bunch that info was just what i needed. kudos
i would read the disclaimer at the bottom of