| 摘要 |
A kicker cylinder of a hydraulic press comprises a body, inside of which a plunger with a sealing unit is mounted. The kicker cylinder is equipped with a variable friction device in the form of an elastic hollow tube made of wear resistant friction material spirally arranged in the body, which is rigidly connected to the body of kicker cylinder, one end of the tube is blind and the other is connected to controlled pressure. In the case the variable friction device is programmatically connected to the means of adjustment and control of valves of a distributor of kicker cylinders. |
