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How to use high frequency welded pipe equipment
Release time:
2021-09-28 14:23
Want to knowHigh frequency welded pipe equipmentHow to use, must have a good grasp of its process what. Only in-depth understanding, can control the equipment, create a good product, build a good brand.
High frequency welded pipe equipmentThe specific process is as follows: the end of the steel coil is opened, straightened and sent to the subsequent equipment. After uncoiling, level the strip, cut the head and tail, cut the material with a disc, and then rewind the strip. The raw materials of the steel plant are fixed in length and width, and are cut into corresponding widths according to the actual length of the pipe. I-shaped groove is usually used in welding, which can make the heating uniform along the thickness direction and make the groove preparation easy. After uncoiling, continue to level the strip steel, cut the head and tail, cut the butt welding, and ensure the continuous production of the forming unit. After passing the horizontal spiral looper, check whether there is a defect in the middle of the strip through non-destructive testing, and then store the strip in the looper device to feed the forming unit.
The prepared strip goes into continuous formingHigh frequency welded pipe equipmentUnder the action of the squeeze roller, it is gradually bent until it is rolled into a round tube. The two edges of the strip are heated to the welding temperature by a high-frequency welding machine, and then pressure welded by a squeeze roller. After that, the internal and external burrs formed by the extruded molten or plastic metal on the internal and external surfaces of the steel pipe are removed by the deburring device, and after a period of air cooling, the welded pipe is water-cooled, so that the welded pipe no longer produces bending deformation due to air cooling. The cross-section of the steel pipe from the squeeze roller has a certain vertical ovality, and the outer diameter is slightly larger than the finished pipe. In order to obtain the accurate outer diameter and cross-sectional shape of the steel pipe, after water cooling, the welded pipe of the high-frequency welding machine must be cold-sized with a sizing machine. In the case of meeting the corresponding tolerance requirements, the length-to-length welded pipe is cut to a fixed length or double length in the movement.
High frequency welded pipe machine, high frequency welded pipe equipment
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