Method for the production of a steel camshaft and camshaft produced according to said method
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United States of America Patent
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Nov 12, 2002
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app pub date -
Mar 16, 2001
filing date -
Jul 25, 1998
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Abstract
The invention relates to a camshaft made of cast steel having an inner cavity with a cylindrical inner shape, especially a profiled cylindrical inner shape produced rationally according to a lost-foam casting method known per se. A steel camshaft thus produced exhibits a long service life and can withstand extremely high hertzian surface pressures on its bearing surfaces without any damages.
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