UNT-BKY chain butt welding machine

　　This kind of welding machine can control its cam preheating, sparking and upsetting by its programmable controller and transducer. In process, the TRIAC touch off the controller and  double TRIAC with high-power water cooling control preheating and flare voltage. This product is suitable for producing ming round-link chains and lifting chains or other chains above 80 class.