Renaud-20650 Spindle Repair

Renaud-20650 Spindle Repair

 



CHALLENGE

This Renaud-20650 spindle was completely broken down and evaluated.  Upon inspection, we noted that the bearings failed from contamination as the grease was mostly washed out.  The front journal was -6/-7 (ISO is +/-3.5), but looks like it was made that way and not why it failed (we will use as is).  The housing was also +3/+10 (ISO is +/-6.5), and it looks like it was made that way as well (will use as is).  Lastly, the electrical connector was broken.

 

SOLUTION

The following actions were performed on this Renaud-20650 spindle:

  • Clean, inspect overall dimensions
  • Replace bearings, o-rings, and assembly screws

 

RESULT

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.

DETAILED CAUSE OF FAILURE

  • This is the bearing compliment for the spindle. Notice the contamination in the bearings and on the spacers.

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