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Blades for Plywood

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  • Blades for Plywood

    Hello everyone. Much enjoying the forums and learning from everyone and enjoying the patterns here on the site. I plan to submit some of my own when I learn how to make them. My question today is that I receive alot of large chucks of plywood at work for free. My question is what kind of blades should I be using. They are between 1 to 4 inches thick.
    Thanks for the help

  • #2
    First you will find you cannot cut 4 inch thick material on a scroll saw, max is around 2 inches thick.
    2nd, Plywood you are getting from work is probably contract grade plywood & is not suitable for most scroll saw projects due to splintering and interior voids. Unless it is cabinet grade plywood and not laminates even cabinet grade plywoods may contain voids between the layers. When you read about plywoods we are using we use a fine grade of plywood typically baltic birch which has several layers without any voids.

    As for blades 1 inch thick will require a number 7 and may work better with a number 9 or even a 12 and be aware that the glues in plywood will dull your blades very quickly.
    "Still Montana Mike"

    "Don't worry about old age--it doesn't last that long."
    Mike's Wood-n-Things LLC


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    • Eugene Downes
      Reply to Stack Cutting
      by Eugene Downes
      I had considered useing a hot glue gun but I like to be able to reuse some of the bigger waste pieces. Also when I use brads and they extend through the bottom piece I am always carefull to take a small hammer and tap the points back up flush with the bottom piece so I do not scratch the table.
      Today, 03:29 PM
    • wjbclocks1
      Reply to Stack Cutting
      by wjbclocks1
      I use a hot glue gun. all around the edges, No chance of scrathing thhe table/
      Today, 10:07 AM
    • Rolf
      Reply to Scrollsaws
      by Rolf
      Ray at Seyco has the parts for the Excaliburs as long as it isn't one of the more recent Chinese clones....
      Today, 07:15 AM
    • Rolf
      Reply to Stack Cutting
      by Rolf
      I use a pin nailer in the waste areas. The brad and pin nail guns are a wonderful thing.
      Today, 07:11 AM
    • eric_h_e
      Reply to Stack Cutting
      by eric_h_e
      Good idea. I’ll have to try that when I get to the point of stack cutting. 👍
      Yesterday, 09:09 PM