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2013-06-25 11:35Engraving machine spindle hot how to solve?

Engraving machine spindle motor from heat, replaced the bearings, or fever, how to solve?
1, the cooling water temperature less than 20 degrees, to ensure that the cooling effect of air-cooled blades checks.
2, the bearing has good and bad, the quality of a great relationship, with good high temperature grease to an effect.
3, the bearing type, to distinguish the 6 Series 7 Series bearings or bearing, if it is the latter, but also pay attention to this type of bearing installation method, and clearance control.
4, the rated rpm spindle is the number? If the nominal number of revolutions is not 24000, frequency inverter careful not to open in the end.
5, feed a little less to see, eat too much at once, the radial load is too large will be hot.
6, check spindle operating voltage and output frequency and current.
7 estimated spindle through the water, or the cooling effect is not good.
8, the coil may be a problem. The fever is not much relationship with the bearing, the bearing is generally sound abnormal sound bad, or stuck.
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