1990-02-01

Near Net Shape Seamless Tubing for Automotive Parts 900297

A method of manufacturing has been developed to produce externally profiled mechanical seamless tubing for cams, races and similarly shaped parts, rather than machining these profiles from tube blanks or forging them to net-shape from powder metal. The desired profile is produced on the outside diameter of the entire length of a tube by cold drawing. Discrete parts cut from these tubes will have the surface finish, mechanical properties, and dimensional accuracy typical of cold formed products. In addition, relative to the use of tube blanks, material yield is increased since OD machining is eliminated.

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