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Machine ram balancing unit

发布时间:
2019-12-25
浏览量
2047
 

Description: 

the utility model discloses a machine tool ram balancing device, which comprises a ram, a fixed beam, a motor that is mounted at the top of the ram. The ram is connected to connecting plates; an output end of the motor is connected with a lead screw; a lead screw base is fixed between the connecting plates; a nut is fixed on the lead screw base; the lead screw passes through the nut and is connected with the nut; a nitrogen balancing cylinder, whose piston rod’s free end is fixed with the ram,  is mounted on the lead screw base. The machine tool ram balancing device has the following advantages: when the balancing cylinder is fixed on the same side as the motor and the lead screw, the piston rod is driven to move along to counteract the weight of the ram, when the ram moves downward; meanwhile, by setting the balancing cylinder in this way, there is a straight torque forming between the balancing cylinder and the motor, so that the straightness changes little during downward movement, thus effectively improving the machining accuracy.