焊接工艺参数对CO2焊接Q235钢成型工艺影响的研究5 - 图文 联系客服

发布时间 : 星期三 文章焊接工艺参数对CO2焊接Q235钢成型工艺影响的研究5 - 图文更新完毕开始阅读e2b2bfaca48da0116c175f0e7cd184254a351b42

eaintheaccidentinvestigation,managementandreporting,eachpostshouldbedevelopedunderthissystemspecialistscheck,cleartheexaminatons,time,cyclesandotherrelevantregulations.Strengtheningsitesupervisionandexamination,todetectandinvestigateillegalcommand,illegaloperationsandviolationsofoperatingrules.Secondsafetyreferstotheproductionsite,technologymanagement,equipment,facilities,andsooncanleadtoaccidentsrisksexist.1,accordingtotheextentofthesecurityrisks,solvingisdividedintoa,b,andclevelsofdifficulty;A-level:difficult,miningdifficulties,shallbereportedtothecompany'sproblems.B-class:difficulttoresolvedif2013.06.04~2013.06.10 (第15周)指导教师和评阅人评阅,论文(设计说明)修改; 2013.06.11~2013.06.17 (第16周)答辩。 六、主要参考文献 [1]罗 键,贾昌申,王雅生等,外加纵向磁场GTAW焊接机理[J].金属学报,2001,2:212~216 [2] Kern M, Berger P,Hugel H.Magneto-Fluid Dynamic Control of Seam Quality in CO2 Laser Beam Welding. Welding Journal,2000,79(3):72~78 [3] 国旭明,钱百年,薛小怀等.电磁搅拌对管线钢埋弧焊熔敷金属低温韧性的影响.金属学报,2000,36(2):177~180 [4] 邓黎丽等.CO2气体保护焊短路过渡的控制技术[J].焊接技术.1999,28(3): 39~42 [5] 叶志平.焊接工艺参数因素对焊缝成形影响的分析[J].煤矿机械,2004,25(12):96- 97. [6] 殷树言.气体保护焊工艺基础[M].北京:机械工业出版社,2007. [7] 朱成华,许先果,姚宗湘.CO2气体保护焊熔滴短路过渡特性的研究现状与展望[J]. 电焊机,2004,34(12):48-51. [8] 潘宏伟 CO2气体保护焊的飞溅与气孔[J]-科技风2009(11) [9] 陈娟霞 浅谈CO2气体保护焊的工艺参数选择[J]-青年社会·中外教育研究2010(4) [10] 王荣青 简论CO2气体保护焊的工艺参数选择[J]-科协论坛(下半月)2010(2) [11] 吕国强.李延军.孙延斌CO2气体保护焊焊接工艺的简要论述[J]-中小企业管理与科技2010(10) [12] 张雪珍 CO2气体保护焊与氩弧焊技术特点对比分析[J]-科技信息2009(27) [13] 马骋.周建桃.王晓明CO2 气体保护焊气孔产生的原因及防止措施[J]-中国高新技术企业2010(21) 指导教师签字: 签字: 年 月 日 iculties,shallconsistofminingorganizationstosolveproblems.C-class:fromsegmentsandbusinessrisksthatmustbeaddressedintheDepartment.2,open-pitmineunsafetypesinclude:electrical,transport,blasting,fire,andotherslope.3,accordingtotheseverityofthehazardfilledinbyunittroubleshooting,registrationform(seeatteaintheaccidentinvestigation,managementandreporting,eachpostshouldbedevelopedunderthissystemspecialistscheck,cleartheexaminations,time,cyclesandotherrelevantregulations.Strengtheningsitesupervisionandexamination,todetectandinvestigateillegalcommand,illegaloperationsandviolationsofoperatingrules.Secondsafetyreferstotheproductionsite,technologymanagement,equipment,facilities,andsooncanleadtoaccidentsrisksexist.1,accordingtotheextentofthesecurityrisks,solvingisdividedintoa,b,andclevelsofdifficulty;A-level:difficult,miningdifficulties,shallbereportedtothecompany'sproblems.B-class:difficulttoresolvedif系部(教研室)意见: 系部(教研室)主任签字: 年 月 日 学院审核意见: 负责人签字: 年 月 日 注:参照《黑龙江工程学院本科生毕业设计说明书及毕业论文撰写规范》要求。字数应在5000字以上,文字要精练通顺,条理分明,文字图表要工整清楚。

iculties,shallconsistofminingorganizationstosolveproblems.C-class:fromsegmentsandbusinessrisksthatmustbeaddressedintheDepartment.2,open-pitmineunsafetypesinclude:electrical,transport,blasting,fire,andotherslope.3,accordingtotheseverityofthehazardfilledinbyunittroubleshooting,registrationform(seeatt