Method for manufacturing stainless steel ball stud for automotive suspension system
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United States of America Patent
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Issued Date -
Apr 9, 2020
app pub date -
Jun 14, 2018
filing date -
May 17, 2018
priority date (Note) -
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Abstract
Provided is a method for manufacturing a stainless steel ball stud for an automotive suspension system, which includes: a forging and molding step of forging and molding a cylindrical shaped stainless material blank with the same top and bottom diameters by using a progressive press machine to operate a number of mold dies simultaneously and to move a forged mold product of a preceding die to a succeeding die, to make a forged mold product; a male thread shaping step of shaping a male thread on the forged mold product; and a cutting and surface finishing/burnishing step of cutting the forged mold product by using one ball stud processing machine such that a head part is cut at exact dimensions, a neck part and a washer part are shaped and the surface finishing/burnishing work to the head part is performed to complete the stainless steel ball stud for an automotive suspension system.
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