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本文介绍了用于B2116大型龙门刨铣磨床的快速随动数控单元，阐述了其工作原理及主要技术问题。
Based on this principle, a rapid servo nc unit is designed for B2116 heavy duty gantry type planing - milling -grinding machine. This paper introduces its principle and main technical problems.
在分析和研究龙门刨(B2 0 12a)原控制系统的基础上，设计了龙门刨床反电动势反馈控制系统。
Base on the analysis and research of the original control system of double housing planer (B2012A), designed a opposing electromotance feedback control system.
通过对刨床改造方案的制定，对B2016 A龙门刨床进行技术改造，成为龙门刨铣床，既可提高工作效率5 ~ 6倍，每年又可节约生产费用6万元。
The B2016A portable planer is technically reformed into a portable milling machine, which enhances productivity 5 to 6 times and saves production cost sixty thousand yuan each year.
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