... frequency electrical energy into mechanical vibration energy.Welcome inquiry battery machine-Welding machine is used for Lithium-ion, Li-Polymer metal part ... welding technique,(AL+Ni, Ni+ Copper foil, Al+Al foil, multi- ... ≥0.5MPa5,control way CPU6,working stroke 15mm7,welding time 0.5~2S8,welding ability copper 0.15~2+0.15~2mm ...