Machining Surface Finish Chart, Comparator Method, degree, Ra, Rz, RMS

Machining surface finish chart, comparator, method, degree, Ra, Rz, RMS

As for machining to iron and steel castings, the surface finish smooth degree is also an important requirement. The following is the conversion chart is from dandong foundry, for Ra (um), Ra (micro inch), Rz (um), RMS and finish degree in China and USA, including the related finish methods.

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