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Automatic Inside Longitudinal Seam Welding Machine


AUTO Automatic Inside Longitudinal Seam Welding Machine is suitable for pipe/tube/shell inside longitudinal seam welding with diameter not less than 360mm. The welding head is equipped with High temperature resistant visual monitoring system for easy control of the inside welding quality. Single arc single wire or double arc double wire submerged-arc welding procedure is optional. Square wave AC + square wave AC double arc double wire submerged arc welding process can achieve low heat input (≤ 30KJ/cm) welding to improve the mechanical properties of the welding seam and eliminate workpiece magnetic influence on welding process to increase first welding qualification rate, which efficiency is 15% higher than the that of traditional DC + AC double arc double wire welding process.


It has features as following:

  • — Suitable for pipe internal diameter larger than 16" and pipe length not longer than 12M;

  • — Easy to operate with precise mechanical driven system and realize welding speed stepless adjustable;

  • — Equipped with High temperature resistant visual monitoring system;

  • — Single arc single wire or double arc double wire submerged-arc welding procedure is optional;

  • — It is your ideal equipment to improve welding quality and realize automatic welding of long barrels or vessels when work together with conveyor system.

 

It is widely used in the industry of wind tower, pressure Vessel, offshore platform pipe tubular, pipe pile, pipe rack fabrication, etc.

AUTO Automatic Inside Longitudinal Seam Welding Machine is suitable for pipe/tube/shell inside longitudinal seam welding with diameter not less than 360mm. The welding head is equipped with High temperature resistant visual monitoring system for easy control of the inside welding quality. Single arc single wire or double arc double wire submerged-arc welding procedure is optional. Square wave AC + square wave AC double arc double wire submerged arc welding process can achieve low heat input (≤ 30KJ/cm) welding to improve the mechanical properties of the welding seam and eliminate workpiece magnetic influence on welding process to increase first welding qualification rate, which efficiency is 15% higher than the that of traditional DC + AC double arc double wire welding process.


It has features as following:

  • — Suitable for pipe internal diameter larger than 16" and pipe length not longer than 12M;

  • — Easy to operate with precise mechanical driven system and realize welding speed stepless adjustable;

  • — Equipped with High temperature resistant visual monitoring system;

  • — Single arc single wire or double arc double wire submerged-arc welding procedure is optional;

  • — It is your ideal equipment to improve welding quality and realize automatic welding of long barrels or vessels when work together with conveyor system.

 

It is widely used in the industry of wind tower, pressure Vessel, offshore platform pipe tubular, pipe pile, pipe rack fabrication, etc.

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