Method and milling cutter for machining hardened crankshafts or camshafts
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United States of America Patent
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Jun 21, 2016
Grant Date -
Nov 7, 2013
app pub date -
May 1, 2013
filing date -
May 3, 2012
priority date (Note) -
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Abstract
The invention relates to a method for precision machining of crankshafts or camshafts to final dimensional tolerances Rz<10 μm, preferably ≦5 μm and concentricity tolerances ≦30 μm, preferably ≦6 μm, which have been machined and at least partially subjected to hardening, wherein after the first machining has been carried out and subsequent hardening to 45 to 60 HRC, preferably 50 to 53 HRC, a final machining is carried out by means of at least one milling tool, wherein it is provided that the final machining is carried out by means of cutting inserts made of coated hard metal. The invention further relates to a milling tool for precision machining of crankshafts or camshafts by carrying out the method of the invention.
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