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前言动铁分磁式和动圈式交流弧焊机在设计中遇到的关键问题是:应如何正确选择焊机参数,保证焊机焊接电流调节范围符合预定要求。为此,单凭经验去选择参数是不够的,必须有准确的计算焊接电流的方法来校核焊机性能。我们生产交流弧焊机已多年,结合工作在理论上进行了一些探索,总结了一些计算方法。实践证明,这些计算方法是可靠的,计算结果
Preface Moving iron magnetic and dynamic AC arc welding machine in the design of the key issues encountered are: how to correctly select the welding parameters to ensure that the welding current range of welding in line with the predetermined requirements. For this reason, it is not enough to choose the parameter by experience only, must have the accurate method of calculating the welding current to check the performance of the welder. We have produced AC arc welding machine for many years, combined with the work in theory to make some exploration, summed up some of the calculation methods. Practice has proved that these calculation methods are reliable, the calculation results