Single and Double Bend Shanks

Questions and Answers

Offset holders are designed to allow one to reach into or over something on the part. They are designed to withstand most welding forces with very little flexing. Offset holders should be used in machines and set ups to minimize any other bending forces.

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Resistance welding over a lip, in a corner, or in a box might be a perfect application for a double bend electrode.

Double Bend Sketch

Above is a sketch showing an example of a double bend electrode welding in a tight area. There are many applications like this that a double bend full size electrode or double bend shank and cap will allow you to reach an otherwise difficult location to weld. Double bends can be water cooled to increase life.  Double bends come in many offsets and sizes as shown below.

bent electrodes2

       DOUBLE BEND ELECTRODES

Reference: RWMA - Resistance Welding Manual 4th Edition

SINGLE AND DOUBLE BENDS CAN REACH THAT EXTRA DISTANCE IN RESTRICTED AREAS

Double Bend Sketch

 

Sometimes we have to reach inside a box or over a feature in a part that stretches our imagination. A double bend electrode might be the answer but a single bend electrode might also get us that extra distance. Both can be water cooled and deliver good force into restricted areas.

bent electrodes2

Reference: RWMA - Resistance Welding Manual 4th Edition

 

 

Electrodes are available in many sizes and shapes to fit most needs in industry. To choose many considerations come to mind. The first decision would be full size vs cap electrode. Are you a job shop or highly automated usually decides this.

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