Several problems exist in the commonly used hydraulic balancing circuits, such as drift in re-lifting of suspended load and shock and Vibration in lowering.
工程机械常用的液压平衡回路，存在着悬垂负荷再提升下滑和下降冲击、振动的问题。
2
In addition, for the X-drift asynchronous problem caused by Y-drift tool position variation, load dynamic compensation is proceeded.
此外，还针对Y轴方向上的由于刀架位置变化导致的X轴方向上的不同步进行了负载动态补偿。
3
The steel and the heat treatment process of fine heavy loaddrift was determined by means of production tests. And the satisfactory result was obtained.