Is there any requirement for processing speed for precision parts processing?

Author:

1. Geometric shape accuracy: The geometric shape accuracy (cylindricity, coaxiality) of the journal should generally be limited to the diameter dimensional tolerance point. When the precision of the graphic appearance is higher, the allowable dimensional tolerance can be specified on the high-precision part drawing.

2. Surface roughness: The editor of precision parts processing tells you that there are different surface roughness values according to the different positions of the surface of the high-precision parts. For example, the surface roughness of the spindle bearing journal of a general lathe is Ra0. 160.63um, the surface roughness of the mutual matching journal is Ra0.632.5um. With the expansion of equipment operation speed and the improvement of high precision level, the surface roughness value of high precision parts of shaft parts will also become smaller and smaller. .

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