METHOD FOR JOINING SELF-PIERCING RIVET AND SELF-PIERCING RIVET

摘要

PROBLEM TO BE SOLVED: To provide a method for joining a rivet by which the piercing load of the rivet is reduced by contriving a piercing process and a high joined strength is obtained by improving the fittingness between a self-piercing rivet and a work. SOLUTION: In the method for joining the self-piercing rivet 1, the self-piercing rivet 1 is punched into the work W while being rotated. COPYRIGHT: (C)2004,JPO