Solid State High Frequency Welder Manufacturer

Solid State High Frequency Welder

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High frequency welders are used for manufacturing welded steel tubes, pipe and structural squares, and rectangular tubes. These welders are installed inline on a tube mill and are used to weld the open edge seam after it has been formed from a flat strip in the tube mill.

Welding is continuous to up to hundreds of feet per minute and operates uses high frequency sound waves (heat energy). These high frequency sound waves are concentrated on the open edges of the formed tube until the tube is red hot and forced together via a series of rolls to form the welded seam.

Composition

The solid state high frequency welder is composed of the rectifying cabinet, inverter and output cabinet, connecting optical fiber, closed loop water cooling system, central operator console, and mechanical adjustment device.

Characteristics

Designed with simple electrical circuit, the solid state high frequency welder is easy to install. With complete protection, it is easy to maintain.
It produces very little noise and less pollution to an electric network.
Without high pressure, the welder is safe to use.
The welding equipment achieves a maximum efficiency of more than 85%, thus saving energy and requires less cooling water.
High reliability and stable operation.
Easy to maintain, users can repair it on their own.
With necessary equipment, the welder is able to be used at the rated power.
The control apparatus are universal and require no adjustment.

Main design index for solid state high frequency welder

Output Power	DC Power	Model	Rated Voltage	Rated Current	Frequency Range	Working Duty	Applied Range
60kW	80kW	GGP60-0.5-HC	450V	180A	450~500kHz	Continuous	Round pipe: φ8~φ20mm Thickness: 0.4~0. 7mm
100kW	120kW	GGP100-0.45-HC	450V	270A	400~450kHz	Continuous	Round pipe: φ16~φ45mm Thickness: 0.6~1.5mm
150kW	180kW	GGP150-0.4-HC	450V	400A	350~400kHz	Continuous	Round pipe: φ20~φ50mm Thickness: 0.8~2.0mm
200kW	240kW	GGP200-0.35-HC	450V	530A	300~350kHz	Continuous	Round pipe: φ45~φ76mm Thickness: 1.5~3.25mm
250kW	300kW	GGP250-0.35-HC	450V	670A	300~350kHz	Continuous	Round pipe: φ45~φ89mm Thickness: 1.5~4.0mm
300kW	360kW	GGP300-0.35-HC	450V	800A	300~350kHz	Continuous	Round pipe: φ50~φ114mm Square pipe: under 200×200mm Thickness: 2.5~4.0mm
400kW	480kW	GGP400-0.3-HC	450V	1070A	200~300kHz	Continuous	Round pipe: φ114~φ165mm Square pipe: under 200×200mm Thickness: 4.0~8.0mm
500kW	600kW	GGP500-0.3-HC	450V	1330A	200~300kHz	Continuous	Round pipe: φ165~φ219mm Square pipe: 200×200mm~300×300mm Thickness: 4.0~10.0mm
600kW	720kW	GGP600-0.3-HC	450V	1600A	200~300kHz	Continuous	Round pipe: φ219~φ273mm Square pipe: 200×200mm~300×300mm Thickness: 6.0~12.0mm
700kW	840kW	GGP700-0.25-HC	450V	1870A	150~250kHz	Continuous	Round pipe: φ219~φ325mm Square pipe: 300×300mm~400×400mm Thickness: 6.0~12.0mm
800kW	960kW	GGP800-0.25-HC	450V	2130A	150~250kHz	Continuous	Round pipe: φ273~φ406mm Square pipe: 300×300mm~400×400mm Thickness: 6.0~14.0mm
1000kW	1200kW	GGP1000-0.25-HC	450V	2670A	150~250kHz	Continuous	Round pipe: φ355~φ508mm Square pipe: 300×300mm~500×500m Thickness: 4.0~16.0mm
1200kW	1440kW	GGP1200-0.25-HC	450V	3200A	150~250kHz	Continuous	Round pipe: φ325~φ610mm Square pipe: 300×300mm~500×500mm Thickness: 4.0~20.0mm