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西北工业大学材料科学与工程系焊接教研室田丽、李京龙、林谦生等研制的“DQ-100型中电流等离子弧焊枪”于1992年10月14日获国家专利,专利号为91232391·4.DQ-100型中电流等离子弧焊枪是一种结构设计合理,外形美观,重量较轻的中电流等离子弧焊枪,它具有使用方便,绝缘性能好、重复引弧特性好,工作寿命长,装拆简单,价格便宜的优点.DQ-100型中电流等离子弧焊枪的研制成功,填补了国内中电流等离子弧焊接工业生产的空白,摆
Northwest University of Materials Science and Engineering Department of Welding Tian Li, Li Jinglong, Lin Qian Health developed “DQ-100 medium current plasma arc torch” in October 14, 1992 by the national patent, patent No. 91232391 · 4.DQ- 100 Medium-current Plasma Arc Welding Torch is a medium-current plasma arc torch with reasonable structure design, beautiful appearance and light weight. It has the advantages of convenient use, good insulation performance, good arc repetition characteristics, long working life, simple assembly and disassembly, The advantage of cheaper price.DQ-100 in the current plasma arc welding torch successfully developed, to fill the domestic current plasma arc welding of industrial production of the blank, put