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储能焊机

这款 储能 焊接电源,通常又称为 电容充放电式电焊机 or CD Welder - extracts energy from the power line over a period of time and stores it in welding capacitors. Thus, the effective weld energy is independent of line voltage fluctuations. This stored energy is rapidly discharged through a pulse transformer producing a flow of electrical current through the welding head and workpieces. 

储能 power supplies are rated in accordance with the amount of energy they store and the welding speed. The energy stored, expressed in watt-seconds (joules), is the product of one-half the capacitance of the capacitor bank and the square of the applied voltage. The energy delivered to the electrodes is considerably less than this value because of losses in the primary and secondary circuits.

Some capacitive discharge power supplies provide a 'Dual Pulse' feature which allows the use of two pulses to make a weld. The first pulse is generally used to displace surface oxides and plating, and the second pulse welds the base materials. This feature also reduces spitting.

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如欲了解有关电阻焊工艺的更多信息,请阅读我们的 《电阻焊基本原理》

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