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View BRef's profile

Can someone answer this question?

by BRef
posted 02-13-2017 07:25 PM


3 replies so far

View pintodeluxe's profile

pintodeluxe

5654 posts in 2808 days


#1 posted 02-13-2017 07:32 PM

The cleats are okay, as long as the screw holes are oversized to allow for seasonal movement.
Holes near the center of the cleats can be sized accurately, but the outer holes should be oversized or slotted.

The breadboard ends are optional.
Both cleats and breadboard ends help to keep the table flat. Breadboards work to keep the ends flat, and cleats work to keep the middle flat.

-- Willie, Washington "If You Choose Not To Decide, You Still Have Made a Choice" - Rush

View Woodknack's profile

Woodknack

11608 posts in 2375 days


#2 posted 02-13-2017 07:53 PM

Good answer.

The cleats are also for attaching the top to the legs, obvious, but something to consider and metal screws will not hold a table flat. They will help but not prevent cupping. Wood movement is hydraulic, very powerful.

-- Rick M, http://thewoodknack.blogspot.com/

View Rich's profile

Rich

2810 posts in 584 days


#3 posted 02-13-2017 08:30 PM

Interesting — By coincidence, I just opened up my copy of Woodworking Wisdom & Know-How and saw this:

“For centuries, granite has been quarried along the Maine coast. Way back in the woods behind my shop, on a granite outcropping, sit a few leftover slabs 10 in. thick by 2 ft. wide by 12 ft. long. The granite faces show a series of ½-in. holes drilled 12 in. to 18 in. apart. The old-timers would have driven dried wood into these holes, then walked down the row pouring water onto the wood. Eventually, the granite slabs would split apart. When wood cells absorb water, they swell and expand, and not even granite can stop it. So forget about pins, glue, screws, or fancy joinery; wood will move and break apart your work if you don’t follow the rules.”

Excerpt From: Taunton Press. “Woodworking Wisdom & Know-How.” iBooks.

-- No matter how much you push the envelope, it'll still be stationery.

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