METHOD OF JOINING METALS OF DIFFERENT PHYSICAL PROPERTIES

摘要

For installing a first metal member (11) into a second metal member (12) the first metal member (11) is punched out of a stock (20) into the second metal member (12) which extrudes a slug (32). The combination is then placed over a flat surface and a second larger punch (35) is applied to cause the slug to reflow back up into its original structure, but with that reflow crimping (16) the first metal member (11) that was punched out into a permanently attached place within the second metal member (12).