.0003” on a old CNC lathe?! (1999 Okuma Crown)
Автор: CNC Delinquent
Загружено: 2025-03-30
Просмотров: 1381
Описание:
1999 Okuma Crown CNC lathe running A-2 tool steel that is heat treated to 58Rc. I have tolerances of +/-.0003” from the face to the shoulder, and it has to be paralell within .0005”. I also have 2 gage diameters that are +/-.0008” along the angle. If a CNC lathe is taken care of, and the tooling and process is correct, it is more than capable of holding tight tolerances consistently.
I am using a Ceramic insert to leave .003” stock on the diameter, and .001” on the faces for the finish tool. I am finishing with a .008 nose radius insert. This keeps the tool pressure to a minimum, and allows a free cutting finish pass to maintain sizes consistently and accurately.
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#cnc #lathe #cnclathe #work #machine #tools #diy #cncmachine #engineering #metal #steel
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