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Laser welding of metal wire net of exhaust purifing device used in gasoline machine
Author(s): 
Pages: 24-26
Year: Issue:  5
Journal: WELDING TECHNOLOGY

Keyword:  激光焊接排气净化装置金属丝网焊接质量;
Abstract: 为了克服传统焊接汽油机排气净化装置金属丝网存在的问题,进而提高丝网焊接效率和质量.采用YAG脉冲激光焊接,通过精确控制焊接能量,选取脉冲波形、脉冲宽度、高焦量等,研究分析焊接过程的传热和光束的传输方式.经试验表明,丝网焊点不易损坏,热影响区小、焊接质量好,同时也显示了激光焊接的优势:焊接牢固、精度高、质量稳定;能实现多个焊点同步焊接,提高制作速度:激光束用光纤传输,焊接更灵活,利于自动化,适应大批量生产.
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