In this paper, the controlling system to improve ordinary vertical drill to automatic drilling machine based on PLC is introduced, and the automatic drill is suitable for batch production.

本文给出了用可编程控制器(PLC)将普通立式钻床改造成可批量加工的专用自动钻床的控制方法。

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To improve the precision and the efficiency in straightening drill pipes, we make a research in the control system of the automatic hydraulic straightening machine.

为了提高钻具校直的精度与效率，我们进行了全自动液压校直机控制系统的研究。

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The company is of the consummate equipments, reliable quality. It owns the high-tech fully automatic and multi-functional cold former, heading machine, thread rolling machine, end drill etc.

公司“设备精良，质量可靠”，拥有从国外引进的高科技全自动多功能冷机、打头机、搓丝机、钻尾机等设备和技术。

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