The rivet core tension is unstable, the breakpoint force is too similar to the rivet core tension, or the heat treatment is not well handled, the rivet core is brittle, and the rivet core will break when in use.
Still have rivet of pull out core namely before pulling rivet core already damaged, this asks to make product qualified check before using.
At the same time, the material needs to be paid attention to. The material drawing test must be done when the material is purchased. When the material reaches the standard, it can be used, otherwise it must be reworked. We need to avoid such problems in actual work. In addition to strict screening of raw materials, we also need to monitor from time to time during production, and from time to time, to confirm the stability of materials and products. This can be more than 95% Avoid the production of broken nail products in the later period.
Post time: Mar-08-2021