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The first is a power transformer load, and power is the product of voltage and current transformer, so reduce voltage will put the current increase, industrial electricity is the spot welding transformer of 380V electric pressure to low voltage of about 10, and the output current.The resistance spot welding machine uses the high current to pass through the work piece itself the resistance, can produce the massive heat, thus melts the metal work piece, and applies certain pressure to cause the metal piece to weld together. The heat Q=I "RT" shows that the spot welder parameters are mainly controlled by current, resistance and time. Human contact with high current is because there is no loop with the transformer. The resistance of the body is too large for the resistance of the metal work, so the current does not pass through the body essentially.s
Resistance welding machine is characterized by low voltage, high current, it can not be said that such equipment does no harm to the human body. The state will have a strict inspection of the factory equipment (for a long time not to see similar things, say, but no standard) equipment nearby magnetic field is very strong, especially during the period of working equipment, long time working in this environment, will make people hair loss, nausea, loss of appetite etc.. But a little further away from the mainframe, I think there should be no problem. If you work in an environment like this, it is recommended that you work a little longer off the device.s
The welding current can be adjusted properly and the welding time will be reduced. Your plate feels a little thin, so think of setting it up. It is not possible to consider the gold chelate spot welding machine, DC welding, very small splash, the sheet is not splashing, it is good for people's health. Hope to help you. Baidu can call me in Chengdu or the Southwests