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Tricks for truing lumber without a jointer

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To flatten a twisted board
Board thru planer
Enlarge Image
Insert shims without tape first.
Once you've stabilized the board,
remove one shim at a time, apply
tape, and return it to its location.

To flatten a twisted board

Make a sled from a scrap of flat plywood or MDF slightly longer and wider than your workpiece. Glue a cleat on the trailing end of the sled to capture the workpiece as it goes through the planer. Using scrapwood wedges held in place with double-faced tape, shim the gaps between the sled and the twisted board to keep it from rocking. Now, run the sled and board through the planer to flatten the top. Remove the workpiece from the sled, place the flattened face down and plane the opposite face.

Continued on page 4:  To rip a straight edge on boards


Comments (4)
2ward2 wrote:

If one has no jointer, cutting the wide board into thinner strips will mean each strip is flatter to the table saw than the complete board. If one reglues the strips, the same cupping tendency will remain, but if alternate strips are turned over, that tendency will be evened out. Edge "jointing" the strips with the saw should help to achieve better glue-up. Of course, a hand plane, or even a router table can help those edges.

8/19/2014 01:35:18 PM Report Abuse
2ward2 wrote:

This method will guarantee a thin board. I think wood thickness can be better preserved with less wood loss by ripping the board into thinner strips, jointing the edges then re-assembling by edge gluing the strips back together. Most of the cup will be gone and irregularities can then be planed off manually or with a planer.

8/19/2014 01:28:13 PM Report Abuse
billself60 wrote:

Yeah. I saw that to (pardon that pun, hun). =-)

1/16/2014 11:02:43 AM Report Abuse
schneierm wrote:

"Too" thick

1/16/2014 09:53:10 AM Report Abuse

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