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                13510930126
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                High-speed motorized spindle common failure analysis and elimination

                fault phenomenon

                Check, adjust and judging method
                Troubleshooting methods
                The spindle fever
                (1) the main shaft bearing pre-tightening force is too large, resulting in the spindle rotation friction is too big, cause the spindle temperature rise sharply.
                Can readjust the spindle bearing preloaded force.
                ?
                (2) the spindle bearing grind or damage, can also cause the spindle rotation friction is too big, cause the spindle temperature rise sharply.
                Can replace new bearing.
                ?
                (3) the spindle oil dirty or have impurities, also causes the spindle rotation resistance is too big, cause the spindle temperature rise.
                By cleaning the spindle box, oil change again.
                ?
                (4) the main shaft bearing lubrication run out of oil or grease is overmuch, can cause the spindle rotation resistance, friction is too big, cause the spindle temperature rise.
                Through to daub grease.
                Spindle power when cutting die
                (1) the spindle motor connected to the spindle belt too loose, caused the spindle drive torque is too small, the strong cutting spindle torque is not enough, when the alarm, numerical control machine tool automatic stop.
                By adjusting the spindle belt tension, to be ruled out.
                ?
                (2) the spindle motor is connected to the main shaft of the surface of the belt have oil, cause the spindle drive belt skid, strong cutting when the main shaft torque is insufficient, produce alarm, numerical control machine tool automatic stop.
                By using clean gasoline or alcohol after cleaning.
                ?
                (3) connected to the main shaft of the spindle motor belt used as failure, caused the spindle motor torque can't drive, strong cutting when the main shaft torque is insufficient, produce alarm, numerical control machine tool automatic stop.
                By changing the new main shaft transmission belt.
                ?
                (4) the main shaft, shaft coupling and transmission mechanism of clutch adjustment too loose or wear and tear, caused the spindle motor torque transmission error is too big, strong cutting when the spindle vibration. Generate alarm, numerical control machine tool automatic stop.
                Through adjustment, change the clutch or coupling.
                Spindle is working too much noise
                (1) the main components of dynamic balance, make the spindle vibration, noise caused by job.
                Need to machine tool manufacturers of professional dynamic balancing of all main parts to check and commissioning.
                ?
                (2) the main shaft transmission gear wear and tear, the gear backlash is too large, when the impact of spindle vibration, noise caused by job.
                Need to machine tool manufacturers of professional personnel for spindle drive gear for inspection, repair or replacement.
                ?
                (3) the main shaft bearing or damage to the hair, make the large clearance of spindle, rotary shock, vibration, noise caused by job.
                Need to machine tool manufacturers of professional bearing for inspection, repair or replacement
                ?
                (4) the spindle belt slack or wear, make the spindle rotation friction is too large, cause working noise.
                Through adjusting or replace the belt
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