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How to make inductor to improve the efficiency of solid state high frequency welder

10. 25, 2019

The main difference between solid state high frequency welding machine and electron tube high frequency welding machine is on solid state high frequency welding machine on the induction coil is low voltage large current flows through, and on the tube high frequency welding machine is high voltage low current, so the impedance of the induction coil, the influence of the size of solid state high frequency welding machine efficiency is greater than the electron tube high frequency welding machine efficiency, the influence of material and shape for solid-state high-frequency induction coil, nots allow to ignore, induction coil, avoid big effect on the efficiency of the solid state high frequency welding machine output.

 

At present, there are three types of induction coil, the first is directly made of copper tube induction coil, generally used for small diameter steel pipe welding;The second is the copper strip (copper plate) welding copper tube, made of induction coil, generally used for the welding of large and medium-sized steel tube;The third is a single turn induction coil, generally used for large diameter pipe,400kw above the high frequency.

 

The output matching form of the solid-state high-frequency welder is different from that of the electron tube high-frequency welder. The output side of the electron tube high-frequency welder has a welding transformer, and the induction coil is installed on the secondary side of the welding transformer.The solid state high frequency welder does not have the welding transformer, the efficiency is high, the channel capacitance and the induction coil direct resonance, the request to the induction coil is high, the induction coil manufacture quality directly affects the solid state high frequency output efficiency.


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