Lap joint - Woodworking Talk - Woodworkers Forum
 
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post #1 of 6 Old 04-26-2010, 05:14 PM Thread Starter
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Question Lap joint

is there a easy way to make lap joints on a router table. I'm making Japanese type screens to hide the washer,dryer and sink from view. They will be roughly 3' x 6'. Would 1x4 pine be ok?

Greg


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post #2 of 6 Old 04-26-2010, 05:39 PM
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The answer is yes and no.

Basically you'll need to be able to hold your stock flat on the router table. A push pad is good for that. Then you need to be able to pass the stock through the router bit while holding the stock square to the direction of travel.

If you have a miter gage track in the table you can use a miter gage and hold the stock against the fence. Also a piece of square scrap against the fence and stock can guide the stock through the router bit for a square cut.

The big issue with the lap joint is getting the cut square across the rail and stile. Almost any other error can be fixed after the joint is glued up.

As a tip, make your rails and stiles a bit bigger than the final design. After everything is glued together, trim the completed frame to size on the table saw. This will get all the frames of the screens looking the same. (You will probably need a cross cut sled to trim the height of the screens.)

Use the right tool for the job.

Rich (Tilting right)
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post #3 of 6 Old 04-26-2010, 05:57 PM
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Long before I owned a router and a table saw I made half lap joints with hand tools. Used a hand saw and a miter box for the cross cut and put the workpiece in a vise to saw the half cut. I would saw to leave the pencil line and then take a sharp chisel and pare the wood to the line, test fitting all the while. It's a snap to do with 1x4 pine which is very soft. It's quick, quiet, safe and satisfying.
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post #4 of 6 Old 04-26-2010, 07:13 PM
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Depth of cut is key.

Set that with same dimension stock and your good.

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post #5 of 6 Old 04-26-2010, 09:39 PM
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If you're going to make the rails and stiles with equal (or repeating) spacing, consider cutting dados in your pine board first with your router, then ripping each slat to width.
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post #6 of 6 Old 04-26-2010, 10:54 PM
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I make half laps on a variety saw with a dado cutter installed. I guess you could just remove material for a half lap on a router table with a sled. I might make a mortice and tenon with a through tenon and an open ended mortice, then pin the glued joint with screws or some nice hardwood dowels. The parts could all be made on a variety saw and some basic hand tools. Either way it should work fine.
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