The function of a hydraulic shear butt welder


  Its function is to shear metal materials into the required shape and perform butt welding, mainly used in the processing and production of metal products.

  Working Principle

  The working principle of a hydraulic shear welding machine involves three main stages:

  Shearing Stage: The cutting device cuts the metal material to the same length as the required mold size, saving material and achieving ideal size accuracy. The cutting mechanism mostly uses an upper blade and lower die or an upper die and lower blade structure, suitable for various forms of cutting such as plane, irregular shapes, and irregular angles.

  Butt Welding Stage: The sheared metal material needs to undergo butt welding. During butt welding, a high-frequency electric field is used to heat the material to a thermoplastic state using the material's own resistance, and then a certain amount of pressure is applied to weld it together. Resistance heating is the key factor in achieving material fusion.

  Cold Pressing Stage: After butt welding, cold pressing is used to reprocess the formed parts to ensure the quality and precision of the finished product. Cold pressing can enhance the strength and hardness of the formed parts and prevent problems such as material corrosion and color difference in subsequent processes.

  Application Scenarios

  Hydraulic shear welding machines are widely used in the processing and production of various metal products, such as automobile manufacturing, machinery manufacturing, and electronic equipment shell manufacturing. Its efficient and precise processing capabilities make it occupy an important position in industrial production.

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High-frequency welded pipe production line main equipment

Primarily used for online inspection of small-diameter ERW high-frequency welded pipes. Because the probe does not contact the pipe surface, high-speed flaw detection is possible. It is relatively sensitive to surface defects in high-frequency welded pipes, but less ideal for detecting subsurface and internal surface defects. It can detect defects in the pipe body and weld seam of high-frequency welded pipes, and can use impedance plane technology to analyze the location and depth of the defects.

How to change the saw blade on a cold cut-off saw?

1. Return the cold saw to its origin position, raise the saw blade to the zero position, and turn off the power; 2. Open the locking screws and remove the saw guard door; 3. Loosen the locking screws, use a wrench to loosen the nut, remove the saw blade cover, and then remove the saw blade; 4. When installing the cold saw blade, follow the reverse order of the above steps.