机器人手臂铸件铁型覆砂铸造工艺生产实践  

Production Practice of Iron Mold Sand-covered Casting Process for Robot Arm Castings

作　　者：朱国 夏小江 张陈 ZHU Guo;XIA Xiaojiang;ZHANG Chen(Zhejiang Institute of Mechanical&Electrical Engineering Co.,Ltd.,Hangzhou 310051,China)

机构地区：[1]浙江省机电设计研究院有限公司,浙江杭州310051

出　　处：《铸造技术》2023年第9期861-866,共6页Foundry Technology

基　　金：浙江省科技计划(2021C01157)。

摘　　要：目前,工业机器人在各个领域应用广泛,对机器人手臂铸件的质量要求也随之提高。本文根据机器人手臂的结构特征及技术要求,结合铁型覆砂铸造工艺特点,设计了机器人手臂铸件的铁型覆砂铸造工艺方案,并通过凝固模拟软件对工艺方案进行了优化。结果表明,机器人手臂铸件的铁型覆砂铸造工艺优化方案可行,实现了铸件的稳定高效清洁生产,铸件产品质量稳定,合格率达95%以上,表面粗糙度Ra达到12.5~25.0μm、尺寸精度为CT7级,降低了生产成本,可推广应用。Currently,industrial robots are widely used in various fields,and the quality requirements of robot arm castings are also increasing.Based on the structural characteristics and technical requirements of the robot arm and combined with the characteristics of the iron mold sand covering casting process,the iron mold sand covering casting process scheme of the robot arm casting was designed,which was then optimized by solidification simulation software.The results show that the optimization scheme of the iron mold sand covering casting process for robot arm castings is feasible,which allows stable,efficient and clean production of castings to be achieved.The quality of the casting product is stable,with the qualification rate reaching over 95%,the surface roughness reaching Ra 12.5~25.0μm and the dimensional accuracy reaching CT7,which reduces the production cost and can be popularized and applied.

关 键 词：机器人手臂 铁型覆砂铸造 计算机模拟优化 

分 类 号：TG243[金属学及工艺—铸造]