说明：
Pulse pressing welding is welding FPC, FFC welding, the preferred thin coaxial welding in the production of mobile phone accessories are widely used. Apple mobile phone connector needs to double stitch welding and welding together the PCB PIN foot, double-sided welding, because PIN gap between small, large hand-tip soldering difficult to maneuver, more unskilled workers operating waste. Apple may be influenced by the best-selling Iphone5 recently two week...
说明：
test report of the resistance welding of car battery ears 一、 The welding test of power Battery copper welding machine 1, the maximum output current of 20000A frequency inverter DC spot welder, 100 vertical cylinder under pressure mechanism.Welding current: 14,000 ADischarge time: 45 ms (35 ms, 50 ms)Pressure: 0.2PNoting: A medium frequency DC resistance spot welder, current and time are controlled accurately, without loss of energy,...