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  1. 2nd October 2017, 09:53 PM #1
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    woodPixel
    woodPixel is offline GOLD MEMBER
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    Default sharpen spiral carbide router bit

    I have a few of Aldavs spiral up cut carbide bits. They are pretty amazing.

    Today I just routed 960 dados through panels of 6mm MDF, each was 350mm long. That's 336 metres on just one bit (plus I'm buggered!!!)

    I didn't notice it getting blunt at the end either, which is mind boggling.

    Does anyone know, for when I need it, if anyone in Oz offers a service of sharpening spiral carbides?

    i found quite a few in the US, but none here. The US services offer a turnaround service for $9, they all say it reduces bit size by 0.01" which is quite OK.

    As a side question for those with CNC machines, when do you know to replace the bit?
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  2. 2nd October 2017 09:53 PM # ADS
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  3. 2nd October 2017, 10:43 PM #2
    KBs PensNmore
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    Default

    Try CARB-I-TOOL 03 9555 2966 [email protected]

    CARB I TOOL Australia Pty Ltd.:. Safety Tips & Hints
    This was taken from their page above.
    RESHARPENING, Tools can be returned to Carb-I-Tool or sent to your local service shop.
    Hope this helps
    Kryn
    To grow old is mandatory, growing up is optional.
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  4. 3rd October 2017, 12:48 AM #3
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    spiral bits of any type need to reground on a t&c grinder most sharpening establishments should be able to handle them
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  5. 3rd October 2017, 12:03 PM #4
    elanjacobs
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    Default

    We use Carbitool and Leuco for spirals, but it's debatable whether a 6mm is worth the cost to sharpen. Our 20mm spirals cost about $45 per sharpen, but they're $800 tools.

    Replace when they burn or leave a furry finish, you won't notice it on MDF much but on timber it's easy to tell.
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