Miyano Spindle Repair

5,000 RPM
This spindle came in with rear roller contamination, possibly from losing preload. It appears the rear nut capturing the rear roller bearing had loosened during operation causing lack of preload.
We replaced the bearings, made a new collet adaptor spacer as well as two new locking screws. The preload was adjusted, the spindle balanced assembled and broke in. The spindle was then thoroughly checked in our QC department and shipped back to the customer.

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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.