METHOD FOR PRODUCING A PISTON OF AN INTERNAL COMBUSTION ENGINE BY MEANS OF AN INDUCTIVE ENERGY SUPPLY AND LASER BEAM
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United States of America Patent
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app pub date -
Jun 10, 2010
filing date -
Jun 10, 2009
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Abstract
A method for producing a piston of an internal combustion engine, wherein the piston has a combustion bowl including a combustion bowl rim. The combustion bowl rim is hardened by being remelted in a first step by means of an inductive energy supply and, in a further step, by a laser beam. The beam can be deflected during a rotary, progressive motion relative to the piston.
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