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Thread: PRT ShopBot upgrades

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  1. 09-06-2018, 02:25 PM #17
    Chuck Keysor
    Chuck Keysor is offline Senior Member
    Join Date
    Oct 2009
    Location
    Elgin Illinois
    Posts
    706

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    Hello Brady and Gary. I have loosely attached my new V-roller bearings as shown in the attached picture. I used grade 5 bolts for the new V-roller bearings. The bolts in the original V-roller bearings are grade 8. (They didn't have grade 8 where I shopped, and I assumed grade 5 would be OK...…) Was that a correct guess????

    I had small cold formed burs on my Z rails as shown. I did cover up my rack with duct tape to keep from getting filings stuck in my grease before I commenced filing....

    Thanks, Chuck

    Attached Images Attached Images
    Chuck Keysor (circa 1956)
    PRT Alpha 60" x 144" (circa 2004)
    Columbo 5HP spindle
    Aspire 9.0, Rhino 5
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