| 摘要 |
The rotation speed of the machine is monitored by an indicator which passes a signal to a micro-computer or an other electronic unit, the monitoring being of the inclination on the curve which represents the speed as a function of time. The microcomputer emits an impulse which causes the rotating or oscillating component to be pushed downwards out of the work position if the inclination of the speed curve excees a specific, pre-set, absolute value. The machine component is pushed downwards with the aid of hydraulic cylinders which receive work pressure by a valve being opened between them and a hydraulic accumulator. Where there is a sudden drop in rotation speed, the cylinders are brought into action by regulators which monitor variations in rotation speed. |
