液压打包机油缸的低速爬行现象严重影响液压控制系统的工作质量。
The creep phenomenon of slow moving oil cylinder of hydraulic packer badly influences the work quality of the hydraulic control system.
液压爬行是影响液压缸低速运动性能的主要因素。
Hydraulic crawling is the main factor effect low speed moving performance of hydraulic cylinder.
本文针对大惯量、大负荷、低速工况的滞环及爬行现象，提出了一种新型的解决方法——脉宽调制（PWM）型数控比例方向阀控制。
This paper puts forward a new method for solving hysteresis loop and stick-slip Phenomenon in large torque, high load and low speed conditions, i. e. PWMtype NC proportional directional control.
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