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  1. 12th June 2013, 10:49 AM #1
    Drillit
    Drillit is offline SENIOR MEMBER
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    Default Build up of sap on bandsaw blade.

    Seeking some advice/information please. After cutting some green wood, I have found some extensive
    build up of sap on the blade. It has gone hard. I have been told to turn on lathe and squirt on WD 40, then remove
    with rag and hand turn the blade. Another suggested WD 40 turn on saw and use steel wool in long nose pliers from the
    rear so as not near the front (teeth) and run blade. Not sure about this. But I was a little concerned that
    the WD 40 may impact on the rubber lining that carries the blade. I guess I was trying to avoid taking off the blade
    and doing it the hard way (& probably the correct way). Drillit.
    Last edited by Drillit; 12th June 2013 at 10:50 AM. Reason: typo error
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  3. 12th June 2013, 11:57 AM #2
    Skew ChiDAMN!!'s Avatar
    Skew ChiDAMN!!
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    Default

    Fpr safeties' sake, I heartily recommend removing the blade from the BS, twisting it inside-out and remounting it so that the teeth are pointing upside-down before 'servicing' the blade in any of the ways you describe. (ie. any way that involves turning the BS on and then touching the blade in a manner that is not cutting timber. )

    WD40 should be fine, esp. if you wipe the blade down with a rag afterwards and do a 'test cut' in an offcut to remove any remaining muck.

    On odd occasions I've also applied Eucalyptus Oil to the more... 'recalcitrant' deposits on the blade (with a cotton wool bud) and given it time to soak in before cleaning the rest of the blade with WD 40.


    FWIW, rather than mucking around with pliers, etc. to hold the sandpaper, I've found it simpler to just grab a small timber offcut, tape or tack a flap of appropriate grade sandpaper to one end and use that as a touch-up stick.

    Much, much safer.

    PS: Do NOT use steel wool if you intend to power up the BS. It can catch on the teeth or any nicks in the blade (even when the blade is inverted!) and seriously ruin your day. ONLY use steel wool on the blade if you've removed the blade from the machine and are rubbing it back with manual labour.

    PPS: And I seriously suggest that you remember to revert the blade from it's upside-down position before you go back to trying to cut wood... it don't work too well otherwise. DAMHIKT.

    PPPS: And don't forget to clean your guide blocks/bearings at the same time!
    I may be weird, but I'm saving up to become eccentric.

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  4. 12th June 2013, 12:24 PM #3
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    Wongo
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    This is what I do.

    1. Safety first so disconnect the saw from power

    2. Place a scraper flat on the table and the edge firm against one side of the blade, it should be away from the teeth. Now turn the wheel backwards by hand, and the scraper will remove most of the sap. Repeat the process on the other side of the blade.

    3. Cleaning the teeth: dip steel wool in turps. Wrap it firm again teeth by using a clamp or by hand. No turn the wheel backwards by hand, and the steel wool will clean up the teeth.

    I use this method all the time to keep my bandsaw blade clean. It does not take more than a few minutes.
    Visit my website at www.myFineWoodWork.com
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  5. 13th June 2013, 07:24 AM #4
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    bosox
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    For your blade, oven cleaner or mineral spirits. Check this article .
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  6. 13th June 2013, 03:52 PM #5
    Drillit
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    Default buildup on bandsaw blades.

    Hello All,
    Advice appreciated. Will go with Skew's reversing process and hope the memory works, eh. Drillit.
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