20K, 30K spot welding machine

< With spot and projection welding functions, a wide range of applications < With power-off data storage function, data will not be lost for ten years after power outage < With voltage data detection function during welding, you can easily know the voltage fluctuation during welding < Two-discharge working mode , greatly increasing the welding range of the product, and can be preheated or tempered for special materials< Using a stroke-adjustable cylinder with a fast solenoid valve, which is easy to operate, fast in welding speed, saves energy and improves production efficiency< The power-on transformer adopts a special solder-resistant transformer , silicon steel sheet with high magnetic permeability, forced internal water cooling production process, strong output, high temporary load rate< Using microcomputer control, it can store/set welding specification data, different welding data are stored in different welding specifications, very convenient Achieve accurate welding of different products< With error self-checking function, various abnormal situations are displayed with specific numbers to help quickly eliminate abnormal situations