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Surface Roughness Comparators Standards Composite Set 6 Machining 30 specimens

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$189.00

$ 76 .99 $76.99

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  • Made of solid Nickel, advanced technology, high hardness, stable quality;
  • Wear-resistant, not rust, suitable for production scene;
  • Small error, large range to 12.5um;
  • Conforms to s.A.E and military specifications;
  • Through vision & tactile to measure surface roughness in comparative method.


Introduction
Surface roughness comparator is a tool to measure workpiece roughness using comparative method.
It can provide guidance for designer on intuitive feel and shape features, its parameter is arithmetic average deviation Ra.

Specification
Horizontal milling (6 specimens):
um： 0.4 、0.8 、1.6 、3.2 、6.3 、12.5
uin：16、32 、63 、125、250、500
Vertical milling (6 specimens):
um： 0.4、0.8、1.6 、3.2 、6.3、12.5
uin：16、32、63、125、250、500
Turning (6 specimens):
um： 0.4、0.8、1.6、3.2 、6.3、12.5
uin：16、32 、63、125、250、500
Plain grinding (6 specimens):
um： 0.05、0.1、0.2、0.4、0.8 、1.6
uin：2、4、8、16、32、63
External grinding (3 specimens):
um：0.4、0.6、1.6
Flat lapping (3 specimens):
um： 0.05、0.1、0.2