Characteristics and advantages of solid-state high-frequency welding machine

Solid-state high-frequency welding machine is a device that uses solid-state electronic devices (such as MOSFET, IGBT, etc.) to replace traditional electron tubes for high-frequency induction heating. It is widely used in the welding of metal pipes, especially in steel pipe production lines. Compared with traditional electron tube high-frequency welding machines, solid-state high-frequency welding machines have the following characteristics and advantages:

I. Main features

Using solid-state devices

Using new power semiconductor devices such as IGBT and MOSFET to replace electron tubes, the structure is more compact and the reliability is high.

Adjustable frequency range

The high-frequency frequency is usually between 100kHz and 500kHz, which can be flexibly adjusted according to material and process requirements.

Modular design

The power supply system usually adopts a modular structure, which is easy to maintain and expand, and improves the availability of the system.

High power factor and efficiency

The conversion efficiency can reach more than 90%, the power factor is high, and the energy-saving effect is obvious.

High control accuracy

The digital control system makes the heating process more precise and the welding quality more stable.

II. Main advantages

Energy saving and consumption reduction

The whole machine has high efficiency, the power factor is better than that of electron tube equipment, and it saves 20%~30% of electricity.

Easy maintenance

No preheating required, no filament damage, long life and low failure rate of solid-state devices.

Quick startup

It can work as soon as it is turned on, without preheating like electron tubes.

Safe and environmentally friendly

No high voltage, no X-ray radiation, safer for operators.

Intelligent control

It can integrate intelligent control systems such as PLC and touch screen to facilitate process adjustment and automatic control.

Small size and light weight

Compact structure, reducing installation space, easy to move and arrange.

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