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Classification and composition of seam welders

Classification and composition of seam welders

  • Categories:Industry News
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  • Time of issue:2021-10-30 11:48
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(Summary description)Seam welding machine refers to a resistance welding machine that assembles weldments into overlapping or butt joints and places them between two roller electrodes.

Classification and composition of seam welders

(Summary description)Seam welding machine refers to a resistance welding machine that assembles weldments into overlapping or butt joints and places them between two roller electrodes.

  • Categories:Industry News
  • Author:
  • Origin:
  • Time of issue:2021-10-30 11:48
  • Views:
Information

Seam welding machine refers to a resistance welding machine that assembles weldments into overlapping or butt joints and places them between two roller electrodes. The roller electrode presses the weldment and rotates, continuously or intermittently pulse power to form a continuous weld. It can also be said that the seam welding machine is the evolution of spot welding. Seam welding is widely used to make joints that require tightness. Sometimes it is also used for welding ordinary non-sealed sheet metal parts. The thickness of the welding metal material is usually 0.1~2.5mm.

Classification and composition of seam welders

The seam welding machine is a resistance welding machine that places the workpiece between the roller electrodes or between the roller electrode and the strip electrode, rolls continuously or intermittently, and applies current intermittently or continuously to form a linear weld.

Seam welders can be divided into continuous seam welders and stepping seam welders according to the rotation mode of the roller electrode; according to the relationship between the weld seam and the electrode arm, they can be divided into horizontal seam welders, longitudinal seam welders and universal seam welders.

1. Horizontal seam welding machine

The formed weld is perpendicular to the electrode arm. The rotation axis of the roller electrode of this type of welding machine is parallel to the electrode arm, and is mainly used for welding long welds and circumferential welds of horizontal workpieces.

2. Longitudinal seam welding machine

The formed weld is parallel to the electrode arm. The rotation axis of the roller electrode of this type of welding machine is perpendicular to the electrode arm, and is mainly used for welding the short welding seam of horizontal workpieces and the longitudinal straight seam of cylindrical containers.

3. Universal seam welding machine

It is a vertical and horizontal welding machine. The seam welding machine is generally composed of a body, a pressure mechanism, a transmission mechanism, a resistance welding transformer, a power adjustment mechanism, and a welding circuit. Except for the electrode and the transmission mechanism, the other parts are basically similar to the spot welder.

The main function of the seam welding machine transmission mechanism is to obtain the required welding speed, and some components (such as the seam welding machine head) are also responsible for the task of transmitting welding pressure and welding current. The transmission mechanism has three types: upper electrode active, lower electrode active, and upper and lower electrodes combined. The horizontal seam welding machine is usually the lower electrode active, the longitudinal seam welding machine and the universal seam welding are generally the upper electrode active, and the seam welding machine for welding plated steel plates often adopts a transmission mechanism that drives the upper and lower electrodes at the same time.

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