Surface
Roughness Testers
Category: Machine
Shop
Summary: Measuring
surface finish.
Surface roughness testers are precision instruments used to measure the texture of a surface, quantifying its smoothness or roughness. These devices typically employ a stylus that traces the surface's contours, recording the vertical deviations. This data is then processed to calculate parameters like Ra (average roughness) and Rz (maximum height of the profile), providing a numerical value for the surface finish. Surface roughness testers are crucial in manufacturing to ensure product quality, control friction and wear, and verify that surfaces meet specific design requirements.
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