Surface waviness is the geometric roughness of the surface whose spacing is larger than the surface roughness but smaller than the surface geometry error. It indicates the degree of undulation on the surface of the sample. This undulation may directly affect the contact stiffness, fatigue strength, and joint tightness of the part. Or strength, wear resistance, vibration resistance, etc. There are not many good methods for measuring waviness in the industry.

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The waviness measuring instrument adopts a new ultra-high-precision motion device to drive the confocal displacement sensor for online scanning. The maximum scanning speed can reach 50mm/s and the line width is 15mm. The high measurement accuracy of ±1um and the repeatability of ±0.5μm can meet your high-precision measurement needs.