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Thread: Saw blade noise

  1. #1
    Join Date
    Mar 2003
    Location
    Upland CA
    Posts
    5,548

    Saw blade noise

    I learned a lesson yesterday.

    A while back, I posted about putting a new blade on my 12" DeWalt 7790 RAS. The old one was a DeWalt which lasted me a long time, but was getting dull. I had previously bought a new Onsrud (German) blade off E-bay at a ridiculous ($23) price, lotsa teeth, -5 degree rake, etc., so I put that on the saw. Since it was thin kerf, I used my 6" Forest stiffener that I had used with the old blade.

    It was a screamer, it made so much noise I had to use ear muffs. After a couple of weeks I took it off the saw, even though the cuts were great. I put a different blade on and went on with life.

    Yesterday, I was doing some routine maintenance, and decided to try the Onsrud again. Before putting it on, I noticed that the stiffener plate had covered about a third of the squiggle slots, meant to silence the blade. Hmm...could it be? Yup, it could. After installing the screamer blade WITHOUT the Forest stiffener plate, it was quiet as can be.

    Lesson learned.
    Rick Potter

    DIY journeyman,
    FWW wannabe.
    AKA Village Idiot.

  2. #2
    Join Date
    Jul 2003
    Location
    Rochester, NY
    Posts
    4,717
    Ha...interesting story! Never have seen much of a need for stiffeners in conjunction with quality blades and a well tuned saw.
    Happiness is like wetting your pants...everyone can see it, but only you can feel the warmth....

  3. #3
    Join Date
    Feb 2003
    Location
    McKean, PA
    Posts
    15,593
    Blog Entries
    1
    I also don't use stiffener plates as they don't do much if anything. I've also noticed that some blades make more noise when you switch to a zero clearance insert.
    Lee Schierer
    USNA '71
    Go Navy!

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