在组合机床中液压滑台是极为重要的组成部分。出口节流调速是液压滑台最常用的一种调速方法,其速度稳定,多用于钻削及铣削中。由于调速阀用在出口节流调速的回路中,所以液压缸在停歇后再启动时会出现跳跃式的前冲现象。这主要是液压停止运动时,没有油流经调速阀,调速阀中的减压元件的阀口全部打开。当液压缸再次启动 Hydraulic slides are a very important part of the combined machine. Export throttling speed control is the most commonly used hydraulic slipway speed control method, the speed is stable, and more used in drilling and milling. As the governor valve used in the export of throttling speed control loop, so the hydraulic cylinder in the stop and then start the jump will occur when the jump phenomenon. This is mainly hydraulic stop motion, no oil flows through the governor valve, governor valve in the valve components of the pressure relief valve all open. When the hydraulic cylinder started again