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Work Sharp Ken Onion Edition Knife & Tool Sharpener just DIED

Discussion in 'Maintenance, Tinkering & Embellishment' started by Haffner, Mar 19, 2019.

  1. Haffner


    Feb 13, 2007
    My Work Sharp Ken Onion Edition Knife & Tool Sharpener (European version) just died...

    And it went with a loud BANG! Out of my eye I even caught a glimpse of a fireball.

    All my attention was focused on the sanding belt and the knife I was sharpening, so I didn’t quite see, what happened. It seemed as if the explosion came from the transformer located on the middle of the cord. However, I can see no signs of the event on the transformer, so I’m a bit puzzled about what could have happened.

    I had just been sharpening for about 2 or 3 minutes, so overheating can be ruled out.

    Have any of you experienced anything similar?

    Anyway, I have ordered a new unit, so I can get on with the sharpening…
  2. 45Shooter

    45Shooter Gold Member Gold Member

    Mar 30, 2001
    Were you running at low speed? If so, it may well have overheated.
  3. Haffner


    Feb 13, 2007
    Thank you for your reply.
    I had it running on something like 50% of full power, and it had only been running for 2 order 3 minutes, so I do not think overheating could be the problem.
  4. Wowbagger

    Wowbagger Basic Member Basic Member

    Sep 20, 2015
    Devine intervention.
    Just her way of saying you are making far too much noise with all that power grinding and that an Edge Pro would be oh so much more civilized.
    Happens all the time. :p :)
  5. Wowbagger

    Wowbagger Basic Member Basic Member

    Sep 20, 2015
    The gear head in me is curious though.
    Have you taken it apart ?
    Is there any chance the motor sucked up too much steel dust and the motor arced / shorted across the conductive pile of metal dust ?

    PS :
    So you are on higher than 120V ?
    200 V ?
    Shorting that kind of voltage can make some good bangination.
  6. AFAustin

    AFAustin Gold Member Gold Member

    Jun 8, 2004
    Darex, the company that makes the Work Sharp, has excellent customer support. Not sure what the current warranty period is, but they might help you out in any event.

  7. Sonnydaze

    Sonnydaze Gold Member Gold Member

    Jul 6, 2009
    Mine did the same thing, as I was running the grinding attachment at a low rpm, which caused overheating. The cooling fan volume is related directly to rpm, so speed up that motor....
    ...and yes, that customer service is outstanding.

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