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Resistance Welding
Resistance Welding, as the name indicates, uses the resistance of the parts and the electrodes to generate the heat energy required for welding. In a typical welding setup, the parts to be welded are pushed together by the welding electrodes; the electrodes also supply welding current. Heat is generated at several locations in the weld assembly, including in the parts, the electrodes, and at the interfaces. Ideally, we want to generate all the heat at the interface between the parts. However, it is inevitable that some amount of heat is generated at the other interfaces and in the parts themselves. In addition to generating heat, some heat is lost from the weld, mostly by conduction by the fixtures and the electrodes. Managing the heat generated and lost so as to create the required temperature at the weld interface is the key to successful resistance welding. There are multiple issues that are important in resistance welding some of which are discussed in the following links:
Fundamentals of Resistance Welding
Welding Configurations - Opposed, Parallel Gaps, etc.
If you need assistance with any of issues related to resistance welding process, please contact us for more details.
We also provide on-site welding training - Resistance Welding Training
