The pipe expanding machine is especially designed for creating large diameter steel pipes by using mid-frequency induction heating technology. It is a great piece of hot expanding equipment for projects requiring steel pipes with varied diameters. It is compatible with standard and non-standard pipes fabricated from various steels, including carbon steel pipes, alloy steel pipes and stainless steel pipes.
As a great solution for large diameter steel pipe forming, the pipe expanding machine is widely used in industries such as military, aerospace, marine and power station construction. If you are looking for hot expanding solutions for seamless steel pipes, LSAW steel pipes and coil tubes, then this pipe expander is absolutely your best choice.
The mid-frequency induction pipe expanding machine is one of our patented products. It is a combination of the taper die expanding technology, mid-frequency induction heating technology and the hydraulic technology. It has been extensively used to replace the conventional drawing technique for pipe expanding, due to its rational technological process, simple structure, low power consumption, extremely low investment, stable performance and wide adaptability to pipe size and raw material.
With this pipe expanding machine, you are enabled to produce seamless steel pipes with ultra-large diameters as well as medium to large diameter welded pipes with a complete range of specifications. The expanded pipes are often used for transferring energy sources such as coal, fuel and natural gas.
Specifications ：
Pipe diameter: φ60～φ1420mm
Pipe wall thickness: 3～120mm
Pipe length: 3～24m
Pipe material: P91-92/T91-92, Q235, Q345, 45#, A106B-C, 12CrMoV
Construction ：
The hydraulic pipe expanding machine is mainly made up of the machine base, hydraulic system, mid-frequency induction coil, mandrel, push plate, electric speed reducer, hydraulic clamping mechanism, internal clamp, hydraulically driven roller conveyor, and the mandrel centering mechanism.
Working Process
After the pipe expanding machine is powered on, put the pipe needing expanding onto the material loading platform. Synchronously the mandrel centering mechanism and the hydraulic clamping mechanism will work together to center the mandrel. Start the material loading platform to allow the rollers to rotate, and thus the pipe on the platform will be delivered to the push plate. At this moment, the mandrel centering mechanism will retreat for about 1m, while the two clamping rollers will work continuously to remain the mandrel in the center. Start the hydraulically driven roller conveyor, which supports speed adjustment, so as As compared with conventional pipe expanding technologies, our mid-frequency induction pipe expanding machine has advantages such as high efficiency as well as safe and fast material loading, due to its novel and innovative design. Also, it features very low energy consumption and low production cost, as its mid-frequency induction heating system can stop working during material loading process.
As the power supply system in each country or region may be different, we can design and manufacture products according to client-side demands on the power supply voltage, frequency, etc.
Technical supports：
Upon request, we can send engineers to offer on-site equipment testing and commissioning as well as installation services. Operator training service is also available. We will help clients solve all issues occurred during equipment operation.
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