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M1040 centerless grinding machine circuit

2014-11-28 01:36  
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M1040 centerless grinding machine circuit
The centerless grinding machine is composed of grinding wheel, guide wheel , cooling, lubrication and hydraulic motor, and the circuit is shown in the figure. Before launching the grinding wheel motor 1M, the lubrication pump motor 3M should be started firstly to make the spindle dynamic bearing of grinding wheel fill with lubricating oil, then the oil returning make the floats rise, then the flowing relay KA's contacts are connected in order to start grinding wheel motor 1M. If the oil disappears, the device will be automatically stopped.