resistance welding

Resistance Welding Process and Tools

Spot and Projection Welding Posts: 1 to 3

Learn about the resistance welding process that is widely used for assembling metalic pieces togther with superior strength and superb quality. If done correctly, resistance welds will be stronger than the parent materials.

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welding transformers

Power Transfer

Welding Transformers Posts: 4 to 10

Resistance welding involves the controlling of electrical currents ranging from as low as 1000 amperes to has high as 250,000 amperes. The voltage that is required across the workpiece to deliver this level of current is only around one volt.

The power transfer is accomplished with the use of a welding transformer.

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Resistance Welding Controls

Controls for Resistance Welding Posts: 11 to 16

Once you have determined what kind of power transformer will be used for providing welding current to the welding tools, you then select an appropriate welding control type. There five types of welding controls as described in the post.

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Problems and Solutions

Development of Tools Posts: 17 to 27

The welding control provides tools that will assist welding engineers to improve and maintain quality. All components of the resistance welding process are important. The mechanical tools must be well designed, the power transfer must be efficient and in good shape. The control algorithm must be capable of dealing with anomalies. As controls are becoming faster in processing and capable of achieving thoughtful algorithms, it becomes wise to implement some of these tools into the production environment. Some of the most common problems are listed in the posts with solutions that follow.

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