1) This ultrasonic spot welder is worked through solid phrase weld, and the weldments are effected by high-mode vibration and the stress of all the work pieces. 2) Max output power:1000VA 3)frequency: 25KHZ±10% 4) input voltage:220V±10% 5) air supply:pressure 0.4~0.6Mpa,humidity less than 48%,high temperature not exceed 45ºC. 6) control way:CPU 7) working stroke:15mm 8) welding time:less than 1S 9) welding ability: multilayer copper and aluminum below 0.3mm 10) Size:L×W×H(mm): Welding Head:420mm x180mm x290mm Main Case:480mm x365mm x202mm