大型数控立式车床立柱的铸造工艺设计及生产实践  

Casting Process Design and Production Practice of Large NC Vertical Lathe Column

作　　者：金万国 王世良 梁红成 陈春生 叶文华 JIN Wanguo;WANG Shiliang;LIANG Hongcheng;CHEN Chunsheng;YE Wenhua(Wuhan Wuzhong Casting&Forging Co.,Ltd.,Wuhan 430000,Hubei China)

机构地区：[1]武汉武重铸锻有限公司,湖北武汉430000

出　　处：《铸造工程》2022年第4期58-61,共4页Foundry Engineering

摘　　要：为了避免大型数控立式车床立柱产生冷隔、缩孔、缩松、气孔、裂纹等铸造缺陷,确保铸件性能和质量达到要求,根据机床立柱的结构特点和技术要求,以及企业生产实际,设计确定了合理的铸造工艺方案,包括造型材料及造型方式、分型面的选取、砂芯设计、浇注系统设计、冒口和冷铁设置,各类工艺参数、生产过程控制等。经生产验证,该铸件质量和性能满足技术要求,已批量生产。In order to avoid the casting defects such as cold isolation,shrinkage cavity,shrinkage porosity,porosity and crack on the column of large CNC vertical lathe,and ensure that the casting performance and quality meet the requirements,a reasonable casting process scheme is designed according to the structural characteristics and technical requirements of the column of machine tool,as well as the actual production of enterprises,including modeling materials and modeling methods,parting surface selection,sand core design,gating system design,riser and cold iron setting,all kinds of technological parameters,production process control,etc.After production verification,the casting quality and performance meet the technical requirements,and has been mass-produced.

关 键 词：大型机床立柱 铸造工艺设计 灰铸铁 砂型铸造 

分 类 号：TG245[金属学及工艺—铸造]