【摘要】 针对中高强度灰铸铁机床床身铸件在生产过程中易出现砂眼、气孔、裂纹、划伤及缺损变形等缺陷问题,本文分析讨论了其焊接性、制定补焊工艺的依据及补焊工艺,总结了各种常用灰铸铁补焊的方法及工艺要点,为中高强度灰铸铁机床床身铸件的补焊提供技术依据。更多还原

【Abstract】 In view of casting defects such as sand holes,porosity,crack,scratches and defect deformation occurred in production of lathe bed casting,weldability,repair welding procedure were fully analyzed and discussed.The various ordinary welding methods and key procedure factors of the medium high strength gray cast iron were summarized,which provides technical basis for repair welding of lathe bed casting.更多还原