Method of forming a part

Abstract

A method of forming a part comprising the steps of forming a round sheet metal blank, pressing the sheet metal blank through a first forming die to form a blank, the blank having a bearing seat, the bearing seat having a bearing seat edge, pressing the blank through a second forming die using a mandrel applying a pressure to the bearing seat edge, and sequentially reducing the diameter of the blank by a single pass through the second forming die.

1 . A method of forming a part comprising the steps of: 
 forming a round sheet metal blank;    pressing the sheet metal blank through a first forming die to form a blank, the blank having a bearing seat, the bearing seat having a bearing seat edge;    pressing the blank through a second forming die using a mandrel applying a pressure to the bearing seat edge; and    sequentially reducing the diameter of the blank by a single pass through the second forming die.    
   
   
       2 . The method as in  claim 1  wherein forming the round sheet metal blank comprises stamping.  
   
   
       3 . The method as in  claim 1  further comprising the step of ejecting the formed blank from the second die by spring force.  
   
   
       4 . The method as in  claim 1  wherein sequentially reducing the diameter of the blank comprises movement in one direction.  
   
   
       5 . The method as in  claim 1  wherein the mandrel applies pressure solely to the bearing seat edge.