... machine-Welding machine transforms the high frequency electrical energy into mechanical vibration energy.Welcome inquiry battery machine-Welding machine is used for Lithium-ion, Li-Polymer metal part welding ... frequency 24KHz3,input voltage 220V/ 50Hz4,air supply ≥0.5MPa5,control way CPU6,working stroke 15mm7,welding ... time 0.5~2S8,welding ability copper 0.15~2+0 ...