EMCO Maxxturn 45 Spindle Repair

EMCO Maxxturn 45 Spindle Repair

The EMCO Maxxturn 45 is a CNC turning center that has a compact design with extreme precision.  It comes equipped with a grease lubricated and pulley driven spindle capable of running up to 6,300 rpm.

EMCO Maxxturn 45 Spindle Repair


The bearings of this EMCO Maxxturn 45 spindle were extremely noisy when rotated by hand incoming. The spindle interior, including the bearing grease, was heavily contaminated with a rusty brown substance. The bearings had fretted the 80mm journals, especially the rear journal which had a deep wear band (-45µ) where the #3 bearing is located. The front bearing journal dimension was within ISO (±4µ) but it had excessive runout. The shaft face & OD taper showed evidence of wear and we measured high runout on the bolt-on face plate. There was light fretting of the housing bores but we did not address this as it was dimensionally insignificant.



The following actions were performed on this EMCO Maxxturn 45 spindle:



After reassembly of all components, adjusting bearing preload, and undergoing break-in and testing procedures, this spindle passed our final quality inspection before being returned to our customer with a 1-year warranty.


  • EMCO Maxxturn 45 Spindle Repair

    Contaminated Bearings

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