Replacement 3-phase motor for Colchester Student lathe скачать в хорошем качестве

Replacement 3-phase motor for Colchester Student lathe

After installing my Colchester lathe in its new location the RCD began to trip. On inspection it was discovered that the motor windings had begun to fail. In this video I fit a new 3-phase 4-pole 2.2kW (3HP) motor and rebore the pulley to fit the new motor. 00:00 Why I thought the inverter drive had failed 01:35 Newly installed VFD inverter drive 03:07 Humidity may have shown up motor defect 03:56 Motor winding insulation failure 04:28 Drilling pulley for puller 05:50 Pulling pulley off old motor spindle 06:14 Possible reasons for motor failure 07:26 Replacement WEG 3-phase 4-pole motor 09:38 Boring pulley to suit new motor spindle 10:23 Machining keyway in pulley on shaper 12:33 Fitting pulley to new motor 13:20 Rotating terminal box for better access 14:19 Drilling and tapping bolt holes in motor mounting plate 14:34 Demonstrating new motor and drive 15:23 Next video