To improve the precision and the efficiency in straightening drill pipes, we make a research in the control system of the automatichydraulic 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。
2
And old-fashioned hydraulic test machine and electronic universal testing machine servo control system of the computer, automatic acquisition and data processing system transformation.
并对老式液压试验机及电子万能试验机进行微机伺服控制系统改造，自动采集及数据处理系统改造。
3
In the paper puts all-automaticcontrol system of noload idling for mine hydraulic-engineering machine different of cause analysised emulation and practical measure.