Multi-wire bead welding system

A technology for surfacing welding bead and welding torch, which is applied in the field of multi-wire surfacing welding system and its process, can solve the problems of expensive plasma arc surfacing welding equipment, dangerous process, narrow welding bead width, etc. The effect of reduced processing time and high deposition rate
CN103273169BActive Publication Date: 2015-03-11AMET WELDING AUTOMATION TECH BEIJING +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
AMET WELDING AUTOMATION TECH BEIJING
Publication Date
2015-03-11

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Abstract

The invention discloses a multi-wire (solid or flux-cored) bead welding system adopting an inert gas protection or submerged arc method, and a process of the multi-wire bead welding system. The multi-wire bead welding system and the process of the multi-wire bead welding system are used for replacing surfacing with band-electrode to obtainer higher production efficiency. The multi-wire bead welding system comprises a welding gun swing mechanism (11), a multi-wire welding gun (6), a wire-feeding pipe (4) and at least two wire-feeding machines (5). Compared with traditional bead welding, the multi-wire bead welding is higher in deposition rate. Due to the fact that a lap joint area of multi-wire bead welding is soother than that of traditional bead welding, the machining time needed to obtain a smooth surface is largely shortened. A machine head of the multi-wire bead welding system can swing in the welding process, the fusion ratio between bead welding materials and wood is improved while a wider weld joint is obtained, and the unique swing function can guarantee a bead welding layer to be more uniform.
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Description

technical field

[0001] The invention relates to the field of metal welding and is used for high-efficiency and high-quality surfacing welding, in particular to a multi-wire surfacing welding system and its technology. Background technique

[0002] The surfacing welding process is an important branch in the welding field. The commonly used surfacing welding methods include: strip surfacing welding, traditional submerged arc surfacing welding, solid core or flux core melting electrode gas shielded surfacing welding, plasma arc surfacing welding, etc.

[0003] Because of the use of rectangular cross-section steel strips for strip surfacing welding, relevant steel strips cannot be purchased in the market when performing some special alloy surfacing welding; the cost of steel strips is higher than that of GMAW welding wire; the transportation of steel strips requires special conveyor belts. The wire mechanism is difficult to maintain when there is a fault; when the steel strip is...

Claims

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