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    • What is the difference between surface roughness and surface finish?

    Surfacefinishandsurfaceroughnessarethesameconcept,andsurfacefinishisanothertermforsurfaceroughness.Surfacefinishisproposedaccordingtothehumanvisualpointofview,w...

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    What are the differences between MJ thread and normal thread?

    MJ thread is a kind of thread with high fatigue strength. It is called aerospace thread by the International Organization for Standardization. It is mainly used...

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    Why do we need to measure surface roughness?

    Surface roughness refers to the roughness of the machined surface with small spacing and small peaks and valleys. The distance between the two peaks or troughs ...

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    How is surface roughness formed?

    Surface roughness has an important influence on the service life and reliability of mechanical products....

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