Inspection of precision stamping process

More and more precision stamping parts processing plants are used locally, but we use precision stamping to know the known detection after precision stamping. These inspection methods are used to avoid any problems. First: In the touch test, we recommend that you use a clean gauze to wipe off the outer cover of the surface, and the local inspector's glove touches along the vertical stamping surface. Of course, this method requires certain professional experience. But this is the fastest way. Next step: Test method of flexible yarn, mentioned here is to wipe the surface of the shell clean, use soft sand to clean the entire surface of the longitudinal grinding of the towel surface, punch, only pitting and indentation will be easy to find. Third: For the oil test, you need to wipe clean the surface except the cover with a clean gauze. Here you need to apply the oil evenly on the entire surface of the stamping with a cleaning brush along the direction, and then you can place the stamping In the strong light summer test, you can easily find out whether there are tiny pitted corrugated cardboard on the surface of the stamping parts.