6 QUICK GUIDE TO SURFACE - Mitutoyo（6快速指南浮出水面三丰公司）.pdf
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Bulletin No. 2229
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QUICK GUIDE TO SURFACE O
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ROUGHNESS MEASUREMENT N
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Reference guide for laboratory and workshop
Surface profiles and filters
(EN ISO 4287 and EN ISO 16610-21)
The actual profile is the profile resulting from the intersection of the workpiece
surface and a plane normal to that surface and in a direction that maximizes the
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surface roughness value, normally at right angles to the lay of the machining marks.
The measured profile is the profile resulting from scanning the actual profile with
a probe which mechanically filters this profile due to the
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