Research on the Paradigm of Laser Welding Technology Imported into Construction Machinery Structural Parts Manufacturing

WANG Qingzhao

doi:10.7512/j.issn.1001-2303.2023.07.10

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Research on the Paradigm of Laser Welding Technology Imported into Construction Machinery Structural Parts Manufacturing
Vol. 53, Issue 7, Pages: 67-72(2023)
DOI： 10.7512/j.issn.1001-2303.2023.07.10

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王清曌.激光焊接技术导入工程机械结构件制造的范式研究［J］.电焊机，2023，53（7）：67-72.

WANG Qingzhao.Research on the Paradigm of Laser Welding Technology Imported into Construction Machinery Structural Parts Manufacturing[J].Electric Welding Machine, 2023, 53(7): 67-72.
王清曌.激光焊接技术导入工程机械结构件制造的范式研究［J］.电焊机，2023，53（7）：67-72. DOI： 10.7512/j.issn.1001-2303.2023.07.10.

WANG Qingzhao.Research on the Paradigm of Laser Welding Technology Imported into Construction Machinery Structural Parts Manufacturing[J].Electric Welding Machine, 2023, 53(7): 67-72. DOI： 10.7512/j.issn.1001-2303.2023.07.10.

摘要

高效、高精、绿色的激光焊接技术日渐成为结构件制造的主流方式之一。激光焊接技术在中厚板结构件制造上的成功导入已成为工程机械行业技术领先的重要标志。由于工程机械制造批量化、加工精度要求低等特征，提升了激光焊接技术导入中厚板结构件制造应用的难度。总结了典型工程机械结构件特点，从工艺—设备—产线3个层次梳理总结了该技术导入过程待解决的关键问题。依据工程开发经验，明确了中厚板结构件激光焊接工艺技术及成套装备开发要点，提出了激光焊接技术向工程机械结构件一般制造的导入范式，并基于范式提出了后续工艺全面导入的工作思路，总结了四大基础工作。

Abstract

Efficient, high-precision, green laser welding technology has become one of the mainstream ways of structural parts manufacturing. The successful introduction of laser welding technology in the manufacture of medium and thick plate members has become an important symbol of technology leadership in the construction machinery industry. Due to the characteristics of construction machinery manufacturing mass and low processing accuracy requirements, it is difficult to introduce laser welding technology into the manufacturing application of medium thick plate members. This paper summarizes the characteristics of typical construction machinery structural parts, and summarizes the key problems to be solved in the process of technology introduction from three levels: process, equipment and production line. According to the engineering development experience, the key points of laser welding technology and complete set of equipment development of medium and thick plate members are clarified, the introduction paradigm of laser welding technology to the general manufacturing of construction machinery structural parts is proposed, and based on the paradigm, the work idea of comprehensive introduction of subsequent processes is proposed, and four basic works are summarized.

关键词

激光焊接工程机械中厚板结构件精度范式

Keywords

laser weldingconstruction machinerymedium thick plate memberprecisionnormal form

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