焊接隔爆外壳加工工艺  

Discussion on Welding Flameproof Enclosure Processing Technology

作　　者：周伟锋 

机构地区：[1]中煤科工集团重庆研究院,重庆400037

出　　处：《煤矿机械》2012年第7期126-129,共4页Coal Mine Machinery

摘　　要：结合国家防爆标准GB3836.2-2010和机械加工工艺的要求,对焊接隔爆外壳从外壳焊接、机械加工和检验3个方面进行工艺性探讨。对焊接工艺过程引起的焊接应力和变形从设计、工艺措施等方面进行分析,对消除焊接应力的方法进行了介绍;从加工引起各种误差入手,对影响隔爆面精度的加工各种环节因素进行了分析,提出了减少或防止的措施;对隔爆外壳的检查进行了阐述,对加工总工艺流程进行分析,提出了注意事项。Combined with the national explosion-proof standard GB3836.2-2010 and machining requirements, explores welding flameproof enclosure for welding, machining and testing process. Describes the methods of eliminating welding stress; Analyses of the various factors influencing the flameproof surface accuracy of error;Proposes measures to reduce or prevent; Elaborates review content and method of flameproof enclosure, analyses the flameproof enclosure total process flow, puts forward the matters needing attention.

关 键 词：隔爆型电气设备 焊接应力 塑性变形 水压试验 

分 类 号：TD68[矿业工程—矿山机电]