First of all, surface finish and surface roughness are the same concept, and surface finish is another term for surface roughness.
Reasonable choice of cutting amount: For high-efficiency metal cutting processing, the processed material, cutting tools, and cutting conditions are the three major elements.
Excessive machining allowance not only increases the labor of machining, reduces productivity, but also increases the cost of materials
This method is to divide the process according to the tool used, and use the same tool to process all the parts that can be completed on the part.
