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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    • OKK HM40

    OKK HM40
    OKK HM40

    OKK HM40

    Conversion from ceramic to steel
    One of our long time customers had this spindle fail recently. They use the spindle to rough out parts and are only running it at a fraction of its top rated speed. We discussed the repair with them and decided that replacing the ceramic bearings with steel would not only save them money but would increase the spindles lifespan in the machine. The steel balls in the bearings are less likely than their ceramic counterparts to brinell the raceways during high load situations.
    Categories: Automotive Industry,CNC Spindles,Milling Spindles,OKK Spindles,Problem Solving Case Studies

    Sandy @ 12:28 pm


    OKK HP 5005
    OKK HP 5005

    OKK HP 5005

    The owners of this spindle started to repair the spindle by himself and quickly abandoned that thought as it did not go smoothly for them. We needed to re-qualify a few areas of the shaft and housing caused by improper dis-assembly techniques. We were able to salvage the spindle and within 5 days our customer was up and running. They have determined that Northland Tool & Electronics will be their rebuilder for any spindles in the future.

    Categories: Automotive Industry,Milling Spindles,OKK Spindles

    Sandy @ 11:54 am


    OKK VM4
    OKK VM4

    OKK VM4

    6,000 rpm
    This spindle needed a grind plate grind to the taper, front and rear bearing journal from damage due to a crash.
    We were able to repair this spindle below the cost of new even with the extensive damage done during the crash.
    Categories: Automotive Industry,CNC Spindles,Milling Spindles,OKK Spindles

    Sandy @ 1:47 pm


    OKK VP60 BIG PLUS taper repair

    The incorrect tool was inserted during tool change causing the spindle to crash. This caused the tool to spin in the taper shearing off one integral drive dog and severely damaging the second. The BIG PLUS taper and face were also severely damaged. We were able to repair the drive dogs, taper and face in our grinding/machining departments using certified BIG PLUS gauging. We then rebuilt the spindle to strict BIG PLUS specifications. Our repair provided our customer with a spindle that meets or exceeds OEM specifications for considerably less money than their only other option of an OEM replacement spindle. Our expedited service reduced machine downtime by 16 weeks over the OEM option.

    Before
    Before

    After

    After

    Categories: Aerospace Industry,BIG PLUS,Emergency Repair,OKK Spindles,Spindle Modifications

    Sandy @ 11:50 am


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