Use precision stamping parts inspection method

These detection methods are used to avoid any problems in the known detection after the use of precision stamping parts. 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 along the direction with the cleaning brush to the entire surface of the stamping part. You can place the stamping part in the bright summer In the test, it is easy to find whether there are tiny pits on the surface of the corrugated cardboard on the surface of the stamping part.