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Thread: New to Power Tools

  1. #1
    DIY Member Blumengarten's Avatar
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    Default New to Power Tools

    Hi All!

    I'm just learning how to do all this handyman stuff, so forgive me for asking stupid questions. Yesterday, I bought a Black & Decker circular saw off Craig's List for $10. The seller plugged it in, and it sounded like a circular saw to me, so I bought it. Today when I used it, the blade burned the wood. Is this normal? Am I doing something wrong, or maybe it needs a new blade?

    Thanks,
    Joy

  2. #2
    Plunger/TurdPuncher kingsotall's Avatar
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    Could use a new blade but then again it's a black n decker. Low end of the spectrum on tool quality. IMHO.

  3. #3
    Plumber jimbo's Avatar
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    A dull blade will advance slowly, or not at all, and burn the wood. So will not following a true straight line cut.

  4. #4
    Retired Defense Industry Engineer jadnashua's Avatar
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    It also depends on what you are cutting and the type of blade installed...they are not all created equal for various tasks.

    Ripping plywood, cross-cutting studs, ripping studs, rough cut verses fine cut will all have different shape and quantity of teeth and variations in the set (angles) of the teeth and the width of the kerf (sawcut), and the smoothness of the cut.

    Trying to use a plywood blade with fine teeth to cut a stud will burn the wood. Using a rough cross-cut blade to cut plywood where you don't want splinters will create a mess...so, it could be normal for what you did, but it's probably a dull blade.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

  5. #5
    DIY Member Blumengarten's Avatar
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    Thanks all! I'll buy a new blade tomorrow and see if that doesn't do the trick.

    Joy

  6. #6
    Moderator & Master Plumber hj's Avatar
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    Default saw

    It is even possible he installed the blade backwards, but more likely just a dull blade.

  7. #7
    DIY Member Blumengarten's Avatar
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    I bought and installed a new blade yesterday and I didn't have that problem again, so either it was dull or backwards -- I couldn't tell if it was backwards because the writing was all worn off, so it probably was dull.

    Thanks,
    Joy

  8. #8
    Jack of all trades frenchie's Avatar
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    You want the teeth bite into the wood. Not looking like they could slide off it.



    ...did that make sense?


    Oh, by the way - please read this:

    http://www.taunton.com/finehomebuild...aw-basics.aspx

    before using it again.

    Do it for me, I'll sleep better.
    Last edited by frenchie; 04-05-2009 at 09:28 PM.
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  9. #9
    DIY Member Blumengarten's Avatar
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    Thank-you very much, I actually found it quite interesting!

    Joy

  10. #10

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    Dangerous tool in the hands of a beginner. Be careful of binding and kick back. Make sure the guard works freely and watch those fingers.
    Alway's the student

  11. #11
    In the Trades Gary Swart's Avatar
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    All of the blades I have seen have an arrow on the blade showing direction of turn. Might have been worn off of the original one. As noted, if you are going to be cutting plywood, get a plywood blade. For regular lumber which you crosscut mostly with just an occasional rip, a combination blade will work just fine. They do make planer blades that will give a smoother cut, but with a circular saw, that kind of cutting is difficult to do with a regular saw. There is one made that will made extremely smooth and accurate cuts, but you don't even want to know about how much they cost!

  12. #12
    In the Trades Gary Swart's Avatar
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    Blumengarten, check your private messages.

  13. #13
    Moderator & Master Plumber hj's Avatar
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    Default blade

    If you have to see an arrow to determine which way the blade should be installed, you should not have a saw. Circular saws are not all equal. The motor amperage will tell you whether you have a tool or a toy. The lower the amperage, the slower you have to go with the cut. And then, a gear drive saw, while it is heavier than a direct drive one, will be a more robust tool even if it has the same amperage. Even which side of the saw the blade mounts can be a factor in its usability.

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