Catastrophic bearing failure was the main cause of this spindle malfunction Continue reading to learn how Northland Tool performed this repair and converted a Weiss GHK 176239 spindle from grease-injected to permanent grease lubrication……Read More
Kitamura HX400I Spindle Repair
At Northland Tool and Electronics we component and assembly balance spindles during the repair process. This guarantees you a smooth running spindle that will actually last longer because less stress will be placed on the bearings. During the installation process of this particular Kitamura spindle it is necessary to remove some of the rotating components from the rear of the spindle. We clearly mark their orientation before shipment so there is little possibility of reinstalling them in the wrong orientation.
This Kitamura HX400I spindle had been crashed and the front bearings were noisy when rotated. The shaft taper was cracked on both sides where the drive dogs bolt on and the drive dogs were also damaged. We also noted that the o-rings were severely worn. No dimensional deviations were noted for this repair.
The following actions were performed on this Kitamura HX400I spindle:
- Clean, inspect overall dimensions.
- Replace bearings, o-rings, shaft, drive dogs, and assembly screws
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.
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More Case Studies
Repair History - Here are examples of similar spindle repairs that may contain additional information that will help you. If you have additional questions, please contact us.
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Downtime is inevitable for any machine, but knowing how to reduce downtime or minimize its likelihood is critical.Read More