What is a stainless steel welded pipe weld leveler?
The weld seam leveling machine performs online processing on the welds of stainless steel welded pipes, and synchronously and repeatedly rolls the internal and external welds of the welded pipes to make the welds and the base metal smoothly transition and make the welds welded firmly. Seamless pipes highlight the advantages of welded pipes. Stainless steel welded pipe manufacturers have been troubled by the removal of internal and external weld reinforcement ribs, especially the removal of internal weld reinforcement ribs. Although there are solutions such as built-in scrapers or internal grinding devices, the results are not ideal. This seriously hinders the further expansion of the application fields of stainless steel welded pipes.
1. Equipment composition of stainless steel welded pipe weld leveling machine
The internal leveling stainless steel mechanical equipment consists of an internal and external weld leveling frame, a hydraulic and pneumatic system, a fully automatic electro-hydraulic and pneumatic control system controlled by PLC, and also includes mold and rolling fluid circulation equipment.
2. Technical features of stainless steel welded pipe weld leveling machine
The internal and external weld seam leveling device for stainless steel welded pipes is a reciprocating automatic rolling device with a built-in mandrel that rolls on stainless steel welded pipes. By controlling the rolling intensity and number of passes, the requirements for the internal and external welds of stainless steel welded pipes to be smooth, the internal and external weld reinforcements to be completely removed and flush with the base metal are achieved.
3. Work flow of stainless steel welded pipe weld straightening machine
After the stainless steel welded pipe with internal and external weld seam reinforcement is rolled by a horizontal roller, the reinforcement is removed, the cross section of the welded pipe becomes a horizontal oval, and the mandrel is stuck in the welded pipe and follows the welded pipe. After being rolled by the vertical roller, the cross-section of the welded pipe becomes a perfect circle, and the mandrel is separated from the welded pipe. When the frame returns, it is pulled back to the appropriate position by the cylinder, and then the second rolling cycle is performed.
The main feature of the weld leveling machine is that a pair of rollers repeatedly roll the raised weld at a speed of more than 30 times per minute to ensure a smooth transition between the weld and the base metal. The welded pipe production line adopts advanced proportional curve hydraulic control to enable equipment operation to balance the impact control system and equipment protection of the welded pipe, which is automatically controlled by PLC to ensure the reliability and safety of the equipment.
Article source: https://article-realm.com/article/Business/54222-What-is-a-stainless-steel-welded-pipe-weld-leveler.html
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