How to solve the problem of rivet cracking

Update:Apr 07, 2020
Pull rivets generally rarely have cracking problems. Semi-hollow or solid rivets crack when riveted, There are generally several questions: 1: Material problem, rivets should choose special rivet wire. 2: Concentricity problem in the half-hollow area, and the half-hollow area will crack if it is not centered or eccentric. 3: The rivet head shear is very uneven. 4: The punch is not aligned with the center of the rivet.
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