锻压技术

基于反向挤压机械化装备伺服控制技术的应用

英文标题：Application of servo control technology based on mechanized equipment with indirect extrusion

作者：薛春兰

单位：太原重工技术中心

分类号：TG376

出版年,卷(期):页码：2015,40(6):154-159

摘要：

针对反向挤压机械化装备，阐述了机械化装备系统的构成、工艺流程、伺服系统组成，伺服系统与PLC之间的通讯报文设置等。以活动垫片装卸机械手行走为例，运用伺服控制技术及可编程序控制器PLC对活动垫片装卸机械手进行准确定位位置控制，实现了活动垫片装卸机械手行走位置自适应调节，并详细分析了采用GRAPH编程语言实现活动垫片装卸机械手位置闭环控制程序。通过设计基于PLC的伺服控制系统，实现了利用机械手完成活动垫片反向挤压过程中的供锭、供垫、供模等自动控制过程，该伺服控制系统已成功应用于正反向双动铝挤压机的生产中，配合加热炉及铝挤压机后区生产线，极大地缩短了反向挤压过程中的非挤压时间，提高了自动化水平及生产效率。

For the mechanized equipment with indirect extrusion, the construction, process, composition of servo system and the communication message settings between servo system and PLC were elaborated. For the example of loading and unloading manipulator walking with activities gasket, its position was accurately located and controlled by the servo control technology and programmable logical controller PLC. The self-adaptive regulation of manipulator walking position was realized, and the realization of the closed-loop control by adapting GRAPH programming language was analyzed in detail. After designing servo control system based on PLC, the automatic control processes such as providing billet, gasket and die were realized by manipulator in indirect extrusion process of the activities gasket. The servo control system was successfully applied in direct-indirect double action alumimum extrusion press. With furnace and production line of alumimum extrusion press, the non-extrusion time was reduced greatly in the indirect extrusion, and the automation degree and producing efficiency were improved remarkably.

基金项目：

薛春兰（1969-），女，硕士，高级工程师

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