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Resistance Welding Machine Method Of Operation
- Nov 03, 2017 -

Resistance welding machine is to be welded workpiece pressed between the two electrodes, and applied current, the use of current flowing through the workpiece contact surface and the adjacent area of the resistance heat effect to heat it to melt or plastic state, so that the formation of metal-bonded a way.

Resistance welding machine is to be welded workpiece pressed between the two electrodes, and applied current, the use of current flowing through the workpiece contact surface and the adjacent area of the resistance heat effect to heat it to melt or plastic state, so that the formation of metal-bonded a way. In the case of

Resistance welding machine welding methods are mainly spot welding, seam welding, convex welding, butt welding,

First, spot welding

Spot welding is the welding parts assembled into lap joints, and pressed between the two columnar electrodes, the use of resistance to heat the base metal, the formation of solder joints resistance welding method.

Spot welding is mainly used for sheet welding. In the case of

Spot welding process: 1, pre-pressure, to ensure good contact with the workpiece. 2, power, so that the formation of nugget weld and plastic ring. 3, Power forging, the nugget cooling under the action of pressure crystallization, the formation of dense tissue, no shrinkage, cracks in the solder joints. In the case of

Second, seam welding

The process of seam welding is similar to that of spot welding, except that the rotating disc-shaped roller electrode replaces the columnar electrode, the welding member is assembled into a lap joint or a butt joint, and placed between the two roller electrodes, the roller pressurizes the welding member and rotates, Continuous or intermittent power transmission, the formation of a continuous resistance welding seam welding method. Seam welding is mainly used for welding welds more rules, requiring sealed structure, the thickness is generally below 3mm.

Third, butt welding

Butt welding is a method of resistance welding where the weldment is welded along the entire contact surface.