What is a spring dowel (chart), spring dowel main application technology parameter, how to use sprin

What is a spring dowel (chart), spring dowel main application technology parameter, how to use spring dowel PT images
China Shenzhen fotsbon metal Co., LTD. Specializes spring-loaded plunger www.fotsobn.com

Spring dowel is applied in thin or sheet metal on a pin, because with elastic named, appearance is round, consists of four parts: a combination of pins, pressure riveting sets, spring, pin head. Pressure of rivet with groove. Its principle is pressed into the through pressing sheet metal preset hole, general and fang preset hole aperture of rivet nuts slightly less than pressure embossing teeth, through pressure roller of rivet nuts pinking boffins board inside that lead to hole peripheral produce plastic deformation, deformation thing is exception, which will guide gibs spring dowel lock on the front panel. Throughout the spring dowel through drawing retractable, pull win-or-go-home, return is ", have positioning or fixed effect.
Spring dowel from the material into fast cutting steel PT, stainless steel PTS, PEM standard in existing models are only two: PT - 56-61, PTS - 56-61.
Spring dowel no unified national standards, the earliest spring dowel from America, after introducing domestic producers PEM after gradually formed by now, the industry standard chassis cabinet, sheet metal industry is acceptable.