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本文介绍了以铝代铜制造BX-300型交流弧焊机变压器线圈,并采用熔化极氩弧点焊新工艺实现铝-铝接头的可靠连接。文中重点分析了点焊规范参数对焊点质量的影响以及合理的选择。此外对氩中含氧量与其焊点成型和强度的关系也作了较详细的阐述。一、前言以铝代铜是发展电力工业的一项重要技术措施。若将流过同样电流的一根铜导线以铝导线来代替,
This paper describes the manufacture of BX-300 AC arc welding machine transformer coil with aluminum on behalf of copper, and the reliable connection of aluminum-aluminum joints by the new process of melting pole argon spot welding. The paper mainly analyzes the influence of the spot welding specification parameters on the quality of the welding spot and the reasonable choice. In addition, the relationship between oxygen content in argon and the shape and strength of the solder joints is also described in more detail. I. Preface Taking aluminum as a substitute for copper is an important technical measure to develop the power industry. If the same current through a copper wire with aluminum wire instead,