Our Blog - See Examples of Spindles We've Repaired

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Welcome to our blog. Here, you'll find examples of spindles we've repaired in the past. We explain what was wrong, have images, videos and more. If you're looking for more specific brand information, or can't find a brand click here, or try the "brands" link above.

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    • Spindle Repair Locations

    Northland Tool & Electronics is proud to be able to provide spindle repair and spindle rebuilding services across the United States and beyond. Thanks to our blog, we are able to show you images and share stories about spindle repairs such as this Weiss Bridgeport Spindle Repair which came from Knoxville, TN. Or this Mori Seiki CL203B Spindle Repair that came from Chicago, IL.

    Categories: Aerospace Industry,Automotive Industry,CNC Machining Industry,CNC Spindles,Cutting Tool Industry,Emergency Repair,Grinding Spindles,Milling Spindles,Spindle Modifications,Tool & Cutter grinding spindles

    Sandy @ 7:28 am


    Hertlein Spindle

     Hertlein Spindle Repair

    This spindles front taper had worn to the point of needing a grind plate grind to bring it back to OEM specifications. The rear taper had run out but we were able to kiss grind it true. After we completed the work in our grinding department we manufactured replacement drive pins and assembled the spindle in our clean room. It was then broken in fully and test run at its maximum running speed. Vibration readings were taken and compared to our final QC criteria. All run out were check and passed. The spindle was then shipped to our customer.

     

    Categories: Cutting Tool Industry,Grinding Spindles,Herlein Spindles,Tool & Cutter grinding spindles

    Sandy @ 7:10 am


    Normac MGS952AM Dresser Spindle Repair

    Normac MGS952AM Dresser Spindle Repair

    3600 rpm

    grease lubrication

    This Normac spindle is commonly used as a dressing spindle in the cutting tool manufacturing industry. We repair this type and many similar types for a variety of customers. The key components we look to improve during the rebuild is run out, contamination prevention, electrical stability and keeping the repairs affordable. We stock many of the parts needed for these repairs to reduce the repair turnaround and cost.

    Categories: Cutting Tool Industry,Dresser Spindles,Grinding Spindles,Normac Spindle Repair,Tool & Cutter grinding spindles

    Sandy @ 12:16 pm


    Agathon

    Agathon Spindle Rebuild

    2400 rpm
    The grease in the front bearings was washed out from coolant contamination. This causes a lack of lubrication that leads to heat and ultimately bearing failure. Fortunately the rest of the spindle checked out well during our repair evaluation. We were able to rebuild this spindle as a “straight repair” meaning no additional work was needed aside from our normal rebuilding procedures. The spindle was shipped two weeks from the approval date and is at the customers facility. 
    Categories: Agathon Spindles,Cutting Tool Industry,Grinding Spindles,Tool & Cutter grinding spindles

    Sandy @ 11:34 am


    Pope P39CC Spindle Rebuild

    Pope P39CC Spindle Rebuild

     

    Surface Grinding Spindle

    This spindle was manufactured by the Pope corporation with a unique style roller bearing in the front of the spindle. The bearing is no longer manufactured as a production run part. Post production modified bearings are available but the quality is not always as it needs to be for a spindle application. To complete this repair we modified the shaft and housing to accept standard angular contact bearings. This makes the spindle replacement parts off the shelf items reducing the cost of the next repair and insures that the quality of the bearings are spindle grade. These modifications can be performed in our in house machining department and our in house grinding department.

    Categories: Grinding Spindles,Pope Spindles,Spindle Modifications,Tool & Cutter grinding spindles

    Sandy @ 11:11 am


    Ko Lee Ko Lee

    5,250 rpm

    The rear shaft threads on this spindle were worn and were cut into the pulley mounting surface. This caused irregular run out on the pulley resulting in vibration. We fixed the pulley mounting surface and cut new threads in our machining and grinding departments. We then assembled the spindle in our clean room, test ran and put it through our final quality check. The spindle is as good as new which is a good thing as no replacement spindles were available for the machine.

    Categories: Cutting Tool Industry,Grinding Spindles,KO Lee spindles,Tool & Cutter grinding spindles

    Sandy @ 8:16 am


    Anca SYS32
    Anca SYS32

    Anca SYS32

    Grease Lubrication
    Tool & Cutter grinding spindle
    The grease was completly washed from the bearings by part coolant causing the bearings to fail.
    We remanufactured the front labyrinth and replaced the open bearings with a sealed bearing design. By incorporating these contamination prevention design upgrades their spindles have been lasting at least 3 to 4 times longer than before the upgrade. Their spindle life is now measured in years instead of months.
    Categories: Anca Spindles,Cutting Tool Industry,Grinding Spindles,Tool & Cutter grinding spindles

    Sandy @ 2:35 pm


    Anca RGX
    Anca RGX

    Anca RGX

    This spindle failed from contamination and had 8 microns run out on the taper. Our incoming evaluation showed the contamination was entering through the rear of the spindle. We reworked the rear of the spindle to keep the same functionality but remove the possibility of contamination entering the spindle. We kiss ground the taper and assembled the spindle.
    Categories: Anca Spindles,Cutting Tool Industry,Grinding Spindles,Tool & Cutter grinding spindles

    Sandy @ 1:30 pm


    Anca MG7
    Anca MG7

    Anca MG7

    Tool & Cutter grinding spindle
    This spindle failed from coolant contamination and had 10 microns of run out in the taper. We kiss ground the taper on one of our Kellenburger ID/OD grinders and assembled the spindle. Our outgoing QC showed less than a micron of run out on the taper.
    Categories: Anca Spindles,Cutting Tool Industry,Grinding Spindles,Tool & Cutter grinding spindles

    Sandy @ 12:51 pm


    GMN TS80CX142 Walter Spindle
    GMN TS80CX142 Walter Spindle

    GMN TS80CX142 Walter Spindle

    10,000 rpm
    HSK style OD tapers
    Tool & Cutter grinding spindle
    This spindle had worn bearings and 3 to 4 microns of run out on the tapers. We are able to fix these spindles because we have our in house grinding department. The tooling interfaces need to meet micron tolerances to function properly. We have developed a process and the equipment needed to meet these tolerances.
    We repair all types of Walter Grinder spindles from older style to the newest release.
    Categories: Cutting Tool Industry,GMN Spindles,Grinding Spindles,Tool & Cutter grinding spindles,Walter Grinder Spindle

    Sandy @ 9:29 am


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