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Thread: Bandsaw Blades

  1. #1
    Join Date
    Jun 2008
    Location
    GTA Ontario Canada
    Posts
    12,256

    Bandsaw Blades

    As i mentioned in an earlier post I had some issues with bandsaw blades over the festive season. They will be going back to vendor but the one i want to ask a question about is a issue i have with a blade i bought from Lee Valley.

    This is a 3/16 blade. Thing is when i put the blade on the machine nothing touching and tensioned then run the blade around by rotating the wheels with my hand i can feel a strange bump at one point. This examination came about after i heard a clack clack kind of noise. I checked the join and it was perfect in all respects so it was not the cause.

    Then i tried to take note of where my fingers felt the irregularity and took the blade off and examined it.

    Now what i noticed is the hardening line that looks like its the result of something like a hot roller being rolled on the band when its still in a long band form, this line was waving all over the width of the blade. Kinda as if they were running a 3/16 through a die or setup not designed to track on that narrow a width of blade. Where this line ran on the edge like a drunk driver riding all over the road the edge appeared to have deformed some.

    I want to take it back but dont want to make a song and dance of this if its normal for a blade of thick width. I have had this clunck clunck before in the distant past but always put it down to me or the bearings etc. But recently i put new bearings in and mounted the bandsaw nice and solid on its base so there is no vibration possible.

    It could be a odd man out kind of thing but i wanted to check with you all before i take it back.

    I could cut with it but I am just not happy with it so am i being too fussy for a narrow blade. Might add this single blade cost $25 which adds to the beef. I know LV will do right by me but dont wish to be a Pita customer either.
    cheers

  2. #2
    Join Date
    Oct 2006
    Location
    ABQ NM
    Posts
    30,017
    I don't think I've ever seen the kind of deformation you've described on any width of blade. I think I'd be leaning toward taking it back.
    When the going gets weird, the weird turn pro. - Hunter S. Thompson
    When the weird get going, they start their own forum. - Vaughn McMillan

    workingwoods.com

  3. #3
    Join Date
    Apr 2007
    Location
    No, not all of SoCal is Los Angeles!
    Posts
    9,076
    If the cut is OK, I try to ignore such distractions. I do not always succeed . Since you are one of the luckiest (or most tempted) people on earth and live close to a Lee Valley, I would exchange the blade.
    Any sufficiently advanced technology is indistinguishable from magic.
    - Arthur C. Clarke

  4. #4
    Join Date
    Dec 2012
    Location
    Bedford, NH
    Posts
    1,683
    Sounds like the blade might not have "tracked" correctly during the tempering process of the teeth: just a thought.
    Thoughts entering one's mind need not exit one's mouth!
    As I age my memory fades .... and that's a load off my mind!

    "We Live In The Land Of The Free, Only Because Of The Brave"
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  5. #5
    Join Date
    May 2007
    Location
    Kansas City, Missouri
    Posts
    13,448
    Given your proximity, I'd probably take it back to exchange it and enjoy some extra "browsing" time at the store.
    Darren

    To a small child, the perfect granddad is unafraid of big dogs and fierce storms but absolutely terrified of the word “boo.” – Robert Brault

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