High Frequency High Production Welded square Stainless Pipe Making Roll Forming Machine

High Frequency High Production Welded square Stainless Pipe Making Roll Forming Machine is an automated production line that continuously processes metal strips (such as steel coils) into square or rectangular tubes. It efficiently produces dimensionally accurate and high-quality square tubes through a series of precise processes, including roll forming, high-frequency welding, and sizing and straightening. This equipment is commonly referred to as a welding pipe unit or tube making machine, with its core function being the continuous cold bending of flat metal strips (such as carbon steel, stainless steel, galvanized steel strips, etc.) to form enclosed square or rectangular cross-section tubes. The entire production process is highly automated, seamlessly transitioning from raw material uncoiling to finished product cutting, making it a critical piece of equipment in modern metal tube manufacturing.

working flow:

Application scenarios：

The pipes produced by square tube welding machines are widely used in multiple industries due to their high strength, lightweight, and easy assembly characteristics
• Construction and municipal facilities:
used for manufacturing scaffolding, steel frame structures, greenhouses, guardrails, road signs, etc.
• Furniture and hardware manufacturing:
used for producing table and chair frames, bathroom accessories (such as towel racks, storage racks), door handles, handles, decorative frames, etc.
• Industrial and mechanical manufacturing:
used for automotive exhaust pipes, heat exchanger pipes, conveying equipment pipelines, equipment racks, etc.

Product Attributes :

Main Features：

1. Highly automated and efficient
The modern square tube welded pipe machine integrates multiple processes such as uncoiling, forming, welding, sizing, and cutting, and is fully automated through a PLC intelligent control system. This not only significantly improves production efficiency and reduces reliance on manual labor, but also ensures the stability of product quality.

2. High molding accuracy and good quality
The equipment adopts multi pass progressive roll forming, combined with precision forming rollers and closed-loop intelligent control, to ensure the dimensional accuracy of the pipe (such as pipe diameter accuracy up to ± 0.05mm), and the straightness and ellipticity are superior to national standards. The weld seam is processed by high-frequency induction welding or laser welding technology, forming a beautiful and firm shape without defects such as porosity and virtual welding.

3. Flexible production and strong adaptability
Many models are equipped with adjustable universal roller molds or CNC changeover systems, which can quickly switch between producing different specifications of square tubes, meeting the customized production needs of multiple varieties and small batches. Some high-end models also integrate functions such as online punching and laser welding, which can achieve non-stop production and further improve efficiency.

4. Low material loss and excellent cost
The continuous molding production method results in a material utilization rate of over 96% and an extremely low scrap rate. Compared with traditional seamless pipe or casting processes, this process has significant advantages in raw material consumption and production costs.