Connecting different thickness w/biscuts - Woodworking Talk - Woodworkers Forum
 
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post #1 of 5 Old 12-03-2012, 07:41 PM Thread Starter
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Connecting different thickness w/biscuts

I want to build a frame using 1 1/2 x 1 1/2 wood and, using biscuts, place a 3/4 plywood panel on the inside of the frame. I don't know how to cut the holes for the biscuts so the plywood will end up centered on the 1 1/2 wood frame. Is there any kind of "sure thing" measurement other than just eyeballing what looks like the center for my biscut cuts? There should be 5/8 between the plywood and edge of the frame on front and back.

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post #2 of 5 Old 12-03-2012, 10:10 PM
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Quote:
Originally Posted by Ronnie1a View Post
I want to build a frame using 1 1/2 x 1 1/2 wood and, using biscuts, place a 3/4 plywood panel on the inside of the frame. I don't know how to cut the holes for the biscuts so the plywood will end up centered on the 1 1/2 wood frame. Is there any kind of "sure thing" measurement other than just eyeballing what looks like the center for my biscut cuts? There should be 5/8 between the plywood and edge of the frame on front and back.

I wouldn't use biscuits. I would dado/groove the frame 3/4" by whatever depth you want, and insert the plywood when the frame is assembled. You would have 3/8" from the edges, not 5/8".






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post #3 of 5 Old 12-03-2012, 10:18 PM
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I wouldn't go biscuits either... I agree with cabinetman above... but if you must go with biscuits for some reason it doesn't have to be centered as long as you mark the face side and make all cuts with the plate jointer from the same side.
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post #4 of 5 Old 12-05-2012, 07:00 PM
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I would not use biscuits either just as the other posts above stated. The center panel will need to be able to float as the wood expands and contracts with changing air moisture conditions. If you decide to use biscuits and glue, and end up with a solid glued up panel, there isn't any guarantee that the panel won't end up with gaps in the future, or possibly warp.

I agree with Cabinet Man believe a dado is the way to go.

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post #5 of 5 Old 12-06-2012, 10:29 AM Thread Starter
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I will change my plans

Thank you for the advise. I will follow it.
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