汽车发动机汽缸体缸孔双轴精镗加工工艺  

Automotive engine cylinder block cylinder bore biaxial fine boring process

作　　者：肖铁忠[1] 罗静[1] 龚文均[1] 詹捷[1] 赵勇[1] 

机构地区：[1]重庆理工大学汽车零部件制造与检测技术教育部重点实验室,重庆400054

出　　处：《制造技术与机床》2013年第2期128-131,共4页Manufacturing Technology & Machine Tool

基　　金：重庆市教委高校优秀成果转化资助项目(kjzh08214)

摘　　要：针对某汽车发动机缸体缸孔加工设备与工艺要求,对国内外缸孔镗削加工中心与专用机床发展情况进行了对比,分析了应用最广泛的两种缸体加工生产线的优劣,选择了汽车企业与机床厂商均优先考虑的"混合型柔性自动线",设计了缸孔加工专用镗床、专用夹具及工艺。通过机床的试制与缸孔加工实验,测得缸孔各项精度均达到了设计指标,最终在某企业得以投产。Aiming to an automobile engine cylinder block cylinder bore processing equipment and process requirements,this project compared the development of the cylinder hole boring machining center and special machine in home and abroad,and it analyzed the pros and cons of the two cylinder processing production line which is used the most widely.It chose the ＂hybrid flexible automatic production line＂ that companies and machine manufacturers consider priorly,designed a special boring machine of cylinder hole machining,special fixtures and process.Through the trial of the machine and cylinder bore machining experiment,the result of the test shows that the precisions of the cylinder bore reached the design index.Eventually,this project was put into operation in an enterprise.

关 键 词：发动机汽缸体 缸孔 专用镗床 精镗 工艺 

分 类 号：TK263.1[动力工程及工程热物理—动力机械及工程]