变极性等离子弧焊接系统的研制  

Development of Variable Polarity Plasma Arc Welding Equipment

作　　者：厉克勤[1] 沈江红[1] 谢峰[1] 胡明臣[1] 张凌云[1] 

机构地区：[1]航天材料及工艺研究所,北京100076

出　　处：《宇航材料工艺》2002年第6期39-42,54,共5页Aerospace Materials & Technology

摘　　要：主要介绍了所研制的变极性等离子弧焊接系统 ,包括 :主弧电源、维弧电源、等离子焊枪、电源配套系统以及计算机控制系统等 ,对系统的设计和关键技术突破作了较为详细的阐述。采用该系统焊接了4mm、5mm、12mm厚铝合金试片和 5mm厚筒形结构件 ,焊缝内部质量符合QJ2 6 98— 95中I级接头要求 ,气孔符合MIL—STD— 2 2A variable polarity plasma arc welding (VPPA) equipment including main arc power source, pilot arc power source, VPPA torch, auxiliary system and computer control system, is developed and introduced.Design of the equipment and some know hows are also stated in detail.A series of aluminum alloy plates with thickness of 4 mm,5 mm,and 12 mm and cylinder work pieces with thickness of 5 mm are welded with the equipment, the inner quality of the weld is fit to QJ2698 95 Grade I and MIL STD 2219 standard.

关 键 词：变极性等离子弧焊 焊接系统 铝合金 国防工业 

分 类 号：TJ05[兵器科学与技术—兵器发射理论与技术] TG456.2[金属学及工艺—焊接]