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  1. #1
    Join Date
    Sep 2008
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    Default Gluing Plywood For Bowl Blanks

    I picked up a bunch of 7 ply 20mm plywood off the side of the road and want to glue up enough layers to make a 100mm - 150mm thick bowl blank.

    Is it better to put 2 - 3 layers together at a time and then glue those together, or to do the whole stack at once?

    Would it take longer to dry if I did a stack of 4 or 6?

    I have some granite sink cut outs that I could use to clamp 2 or 3 together and keep them flat.
    So much timber, so little time.

    Paul

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  3. #2
    Join Date
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    Default

    I have done a bowl out of LVL and treated this as normal wood. I did not have a smooth surface on the mating pieces and I allowed 24 hours before I used it.

    I was sort of concern about voids but did not have any in the LVL board. Just to add contrast if I did not have enough I also added a hardwood piece in the blank.

  4. #3
    Join Date
    Jun 2005
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    Townsville. Tropical Nth Qld.
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    Default

    Paul, you did not indicate what glue you are going to use. I did this once and used Titebond 2 glue and used a scissor jack from a car under my metal lathe bed for mass. Not sure if you have them over there, but don't use a hydraulic one as they can leak down.
    Rgds,
    Crocy.

  5. #4
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    Being a bit impatient at times. I glued my stack all at once with a bunch of G clamps around the outside. Wasnt real fancy plywood so it had voids in the layers, other than that it worked fine using PVA I left it for about a week.
    Inspiration exists, but it has to find you working. — Pablo Picasso


  6. #5
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    Quote Originally Posted by hughie View Post
    Being a bit impatient at times. I glued my stack all at once with a bunch of G clamps around the outside. Wasnt real fancy plywood so it had voids in the layers, other than that it worked fine using PVA I left it for about a week.
    In hind sight it would have better to use high quality plywood, not construction plywood as I did at the time.
    Inspiration exists, but it has to find you working. — Pablo Picasso


  7. #6
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    Sep 2008
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    North Carolina, USA
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    Quote Originally Posted by hughie View Post
    In hind sight it would have better to use high quality plywood, not construction plywood as I did at the time.

    What I have is better than construction but not as good as Baltic Birch. I'll have a go to see how it works.

    Thanks to all who commented.
    So much timber, so little time.

    Paul

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