In the modern industrial field, pipe welding equipment is an indispensable key force in the manufacturing of various welded pipes. Welded pipes are widely used in construction, petroleum, natural gas, machinery manufacturing, and many other industries, and the continuous development of welding equipment drives pipe production towards higher quality and greater efficiency.
One of the core components of pipe welding equipment is the welding device. For different types of welded pipes, such as high-frequency welded pipes and submerged arc welded pipes, the welding devices have different working principles and characteristics. In high-frequency welded pipe equipment, the welding device uses the skin effect of high-frequency current to generate heat at the edges of the pipe, allowing the metal to quickly reach the welding temperature for welding. This welding method is fast and efficient, capable of producing high-quality thin-walled welded pipes, widely used in furniture manufacturing, decorative engineering, and other fields. On the other hand, the welding device of submerged arc welded pipe equipment welds by covering the welding joint with a layer of flux and using the heat generated by the arc burning under the flux. Submerged arc welding can achieve welding of thicker pipe walls with stable welding quality and is commonly used in occasions with very high pipe quality requirements, such as oil pipelines and large structural components.
       
The forming unit is also an important component of pipe welding equipment. It is responsible for gradually bending and forming steel strips or plates into tubular structures. The design and precision of the forming unit directly affect the dimensional accuracy and appearance quality of welded pipes. Advanced forming units use a multi-pass progressive forming process, transforming the steel strip step by step from a flat sheet into a round or other shaped pipe billet through a series of precisely designed rollers. During this process, parameters such as the shape, spacing, and rotation speed of the rollers need to be precisely controlled to ensure the quality of the formed pipe billet. Moreover, the forming unit must also have a certain degree of adjustability to accommodate steel strips of different specifications and produce welded pipes with various diameters and wall thicknesses.
The cutting device also holds an important position in pipe welding equipment. Once the welded pipe reaches the specified length, the cutting device can accurately cut it. There are various cutting methods for cutting devices, such as sawing and plasma cutting. Sawing is suitable for welded pipes with smaller diameters and thinner walls, providing a relatively smooth cut surface. Plasma cutting is suitable for welded pipes with larger diameters and thicker walls. It uses a high-temperature plasma arc to melt the metal for cutting, allowing for fast cutting and the ability to cut welded pipes of various complex shapes.
In addition, the pipe welding equipment also includes auxiliary components such as feeding devices and straightening devices. The feeding device is responsible for stably and accurately conveying steel strips or steel plates to the forming machine unit, and its feeding speed needs to match the production speed of the entire production line. The straightening device is used to straighten welded pipes, eliminating bending and deformation caused during welding and forming, ensuring that the straightness of the welded pipes meets the specified standards.
With the continuous advancement of technology, pipe welding equipment is also constantly innovating. The application of automation technology allows pipe welding equipment to achieve automated production, improving production efficiency and product quality. At the same time, intelligent monitoring systems can monitor the operating status of equipment, welding quality, and other parameters in real time, promptly identifying issues and making adjustments.
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