Design a set of welding equipment for lithium battery by spot welding techniques. The motion mechanism of the equipment's mechanical system are composed of XY linear modules and a cylinder. The control system of the equipment is composed of PLC, servo driver, servo motor and touch screen. The plain position of the welding electrodes is controlled by the servo system. The height of the welding electrodes is adjusted by the cylinder. In addition, the continuous welding of lithium battery is

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... ed by the teaching function of touch screen. After a period of practical application , the system was stable and reliable and realized fast and efficient welding of lithium battery.