Controls & Transformers

Questions and Answers

High frequency welding offer many advantages. Weight reduction and reduced power requirements are just part of the advantage. These advantages can add up in a large plant with many weld cells.

High frequency welding offer many advantages. The inverters found in many plants today offer both weight and power reductions. These changes can add up in a large plant with many weld cells.

High frequency welding offers weight reduction and plant power reduction but let’s look at this a little closer. Other benefits in control can also be realized.

If one were to design a weld, the control must provide functions such as squeeze, weld, hold and off. It does this by communicating with the cylinder or servo valve, the SCR or IGBT and or the NC device running the weld cell.

DC and AC welding have been used for years but recently inverter technology has become a very large factor in the resistance welding industry. So let’s look at frequency and where it is used in resistance welding technology.

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