Why Ceramic Pins Are Suitable For Automobile Welding Work?
In the automobile welding industry, welding locating pin is an important consumable, the performance of welding pins will directly affect the quality of welding work and final workpiece. Every year, a big quantity of welding pins are consumed because wear loss is always happening during welding process.
In projection welding, ceramic materials have long replaced metal in the production of welding pins, which ensure a perfect fit for sheet metal and nuts in projection welding and are subject to temperatures of up to 800°C. Devided by material, ceramic welding pins include alumina ceramic pins, zirconia ceramic pins and silicon nitride ceramic pins.
Ceramic locating pins are electrical insulating, have good wear resistance and mechanical strength, the wear resistance is in the top level among all existed materials. The superior wear resistance will reduce the looseness and poor alignment, ensure the precise welding.
Compared with ceramic materials such as zirconia, alumina, and KCF (chromium iron alloy), silicon nitride ceramic pins have better performance advantages: longer service life Long, wear-resistant, silicon nitride is an insulating material, and the nut does not need to be slag removed after welding.
