Oscillatory scanning laser beam-electric arc hybrid welding method and system

A technology of hybrid welding and laser beam, which is applied in the field of laser beam-arc hybrid welding of metal materials and oscillation scanning laser beam-arc hybrid welding, which can solve the problem that the welding requirements of light alloy structures cannot be met and the implementation of laser beam scanning movement is difficult , single laser beam scanning path, etc., to achieve excellent technical capabilities, improve welding characteristics and welding quality, and reduce welding spatter
CN103056533BActive Publication Date: 2015-04-15武汉飞能达激光技术有限公司
4 Cites 7 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
武汉飞能达激光技术有限公司
Publication Date
2015-04-15

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention discloses an oscillatory scanning laser beam-electric arc hybrid welding method and system. Laser beams and electric arc move together along an abutted seam in large range space, simultaneously the laser beams surround acting points of the electric arc to perform oscillatory scanning movement in a local small area, and an actual welding track is a curve formed by overlying two types of movements. As for an optimal range of laser beam oscillatory scanning displacement, the range in the direction of an X axis is minus 2mm to 3mm, the range in the direction of an Y axis is minus 5mm to 5mm, the range in the direction of a Z axis is minus 2mm to 2mm, and the oscillation frequency is in a range from 20Hz to 500Hz. According to the method and the system, an enhanced technical effect is achieved by the aid of interaction of a laser beam oscillatory scanning effect and a laser-electric arc synergistic effect, and the welding quality is improved. Compared with existing laser-electric arc hybrid welding and laser scanning welding methods and systems, the method and the system have the advantages that higher weld porosity inhibiting capability is achieved, and the weld strength is improved by 10% to 50%.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The hybrid welding technology of the present invention specifically relates to an oscillation scanning laser beam-arc hybrid welding method and system, and is especially suitable for laser beam-arc hybrid welding of metal materials. Background technique

[0002] Laser-arc hybrid welding utilizes the interaction between the two heat sources of laser and arc, which has better welding characteristics, and has the advantages of large laser welding penetration, good joint quality, high efficiency, small deformation and good arc welding bridging performance. The advantages of strong adaptability to complex environments are currently one of the most eye-catching metal material connection technologies. However, the significant difference in welding characteristics between arc and laser has resulted in a series of technical difficulties that need to be overcome in terms of weld formation and joint microstructure uniformity in laser-arc hybrid welds. Specifical...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More