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Thread: Whats your rule of thumb on a bandsaw

  1. #1
    Join Date
    Jun 2008
    Location
    GTA Ontario Canada
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    12,251

    Whats your rule of thumb on a bandsaw

    This may sound like a stupid question, but as i was changing my blade today on my bandsaw I looked at it and thought it was time to have a new one but truthfully i dont know.

    So can anyone give me a rule of thumb for making this decision. How do you know when its time to get a new one.

    I cut some baltic birch in a small arc with a 1/4 blade and it was burning all round the arc. This added to my view that the blade is had it.

    Would appreciate some learned input on this one.
    cheers

  2. #2
    Join Date
    Oct 2006
    Location
    ABQ NM
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    30,014
    I start thinking of changing blades when I find I'm having to push the wood into the blade instead of feeding it into the blade. I may run the blade that way for a little longer if I'm just rough-cutting turning blanks, but if it ever gets to the point where I'm having to force the cut, the blade is outa here. If I saw burning in the cut, I'd most likely dump the blade, unless I could spot something else I was doing wrong to cause the burns.
    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
    I'm with Vaughn. Similar to the tablesaw, when the cuts start feeling different it generally leads to difficult. Once cuts get resistive I will mark the blade for rough use and run it till its dead.
    Any sufficiently advanced technology is indistinguishable from magic.
    - Arthur C. Clarke

  4. #4
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    Jun 2008
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    Thanks guys i think my blades are dead time to give your AVL a try Vaughn. (AVL = Approved vendor list).
    cheers

  5. #5
    Join Date
    Dec 2006
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    Lakeport NY and/or the nearest hotel
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    hmm, wonder if Suffolk Machine ships to canada?
    -Ned

  6. #6
    Join Date
    Mar 2007
    Location
    Escondido, CA
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    5,172
    My personal rule of thumb for the bandsaw is to keep it out of the way of the blade.

    Just sayin....

  7. #7
    My primary rule is Keep the thumbs from in front of the blade.

    Secrete of BS operation is a good blade, followed by good set up. Most fellows forget the principles of how a BS works. With a crowned wheel saw... blade placement on the wheel and tension will control the cut (tracking) Guides do not control the blade, The tension and tracking contols the blade. The guides and bearings contol the operator, keeping the operator from pushing the blade off track.

    When you set up a saw, you should do so with the thrust bearings and guides backed off and awy from the blade. Only after correctly tracking and setting the tension on the blade do you bring the bearings and guides to close to touching the blade. They are there to keep you from pushing it off its intended path.

    In a brief statement, that is my rule and I'm sticking to it.

  8. #8
    Join Date
    Dec 2006
    Location
    Toronto, Canada
    Posts
    276
    Quote Originally Posted by Rob Keeble View Post
    Thanks guys i think my blades are dead time to give your AVL a try Vaughn. (AVL = Approved vendor list).
    For us that would be R&D Bandsaw www.tufftooth.com

  9. #9
    Join Date
    Nov 2006
    Location
    Mountain Home, Arkansas
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    11,831
    It is pretty self-evident when a BS blade is dull.
    Vaughn's description is good. If you have to push instead of just feed the work, time to change blades.
    "Folks is funny critters."

    Think for yourselves and let others enjoy the privilege to do so, too. ~Voltaire

  10. #10
    Join Date
    May 2007
    Location
    Kansas City, Missouri
    Posts
    13,442
    I think Vaughn's description is about right. I finally changed the original blade on mine about 2 months ago. The old one was about 12 years old, boy what a difference...won't wait that long again.
    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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