拉伸试样制备要求进行量化的探讨.pdf

N。．4 Electric Machine Apr．2015 2015年4月 Welding 拉伸试样制备萋豢避行量化的揉讨 高连勇1，梁健1，司彦教2，贾永新3 东理工大学，山东淄博255014) 达含义不统一的问题，使企业在制备拉伸试样时出现理解偏差，出现两种加工方法。通过分析提出影响 焊缝与母材齐平的关键因素是错边量，对承压设备错边量的相关规定进行了分析，通过误差值分析确 定了试件制造公差的l／4系数，并结合GBl50—201l《压力容器》标准及相应专业的公差确定规则，提出 对标准条款的修改建议。修订后的条款有利于企业对标准条款理解统一，可操作性好，具有一定的参 考价值。 关键词：拉伸试样；制备要求；错边量；条款修订 中图分类号：TG441．7文献标志码：A DOI：10．7512／j．issn．1001—2303．2015．04．26 Dicussiononthe oftension request specimenpreparation GAO Jianl，Si Lianyon91，LIANGYanjia02,JIAYongxin3 Vocational (1．Zaozhuang 277800，China；2．Hebei College，Zaozhuang YongxingRefrigerationEquipmentCompany， Handan Scienceand 255014，China) 057750，China；3．ShandongTechnologyUniversity，Zibo are in notuniformthetextand aboutthe oftension intheNB／ Abstract：Theexpressions figures request specimenpreparation T47014—2011 Standard，Pressure Procedure wouldcausethe errorswhen EquipmentWelding Qualification，which understanding thetensile in twokindsof methods thefactorsthataffectthe preparing specimenenterprises，and processingappear．Byanalyzing flushoftheweld andbase isfoundthatthe toleranceisthe factor．Ontherelevant ofthe joint metal，it alignment key provisions toleranceis tolerancefactor1／4 theenDrvalue pressureequipmentalignment analyzed．identifyspecimensmanufacturing by analysis． BasedontheGB150-2011 Standard，Pressure-Vessel，andrulesfortolerancedetermination，someare p