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Looking for advice on cutting boxes in half.

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Forum topic by TomTinkerSum posted 08-13-2012 02:38 PM 648 views 0 times favorited 8 replies Add to Favorites Watch
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TomTinkerSum

218 posts in 2525 days


08-13-2012 02:38 PM

Topic tags/keywords: tip resource jig question trick

Fellow LJs,

I was looking for an article/blog posted a while ago on cutting boxes in half after the glue-up. If anyone can point me in the right direction I would appreciate it. We have to glue up 34 boxes for a project.

I know there was a simple way to give it a nice clean finish, but not to pinch box on the tablesaw blade at end of last cut.

Thanks for your assistance on this.

Tom

-- If a woodchuck could chuck wood, he's probably not a Lumberjock --


8 replies so far

View a1Jim's profile

a1Jim

112335 posts in 2268 days


#1 posted 08-13-2012 02:43 PM

I assume your talking about cutting the lid off a box. What you do is cut all but about a 1/16th of the lid all the way around and then use a utility knife to cut the lid off . It works very well with just a couple passes with the utility knife.

-- http://artisticwoodstudio.com Custom furniture

View Sawdust4Blood's profile

Sawdust4Blood

351 posts in 1712 days


#2 posted 08-13-2012 02:50 PM

As an alternative to Jim’s method (and his is preferred), I have also taken shims the thickness of the saw kerf and taped them in the preceding cuts to keep the lid from pinching back onto the blade.

-- Greg, Severn MD

View FirehouseWoodworking's profile

FirehouseWoodworking

629 posts in 1964 days


#3 posted 08-13-2012 04:41 PM

I’m with Jim. That method works the best for me.

Cheers!

-- Dave; Lansing, Kansas

View Knothead62's profile

Knothead62

2364 posts in 1651 days


#4 posted 08-13-2012 05:27 PM

I recall seeing something like Sawdust4Blood’s post.

View DonJ's profile

DonJ

238 posts in 2218 days


#5 posted 08-13-2012 06:02 PM

I saw an alternate method where someone put a dab of hot melt glue where the cut was made, which would be similar to putting in a shim. You would have to make sure it dried before continuing.

-- Don, San Antonio, TX

View ADHDan's profile

ADHDan

516 posts in 799 days


#6 posted 08-17-2012 04:43 PM

For large boxes, I’ve used double-sided carpet tape to attach 2×4s along the interior perimeter. The 2×4s hold the box together throughout the through cuts, then after the final cut just take them off and you’ve got your lid.

-- Dan in Minneapolis, woodworking since 11/11.

View NiteWalker's profile

NiteWalker

2710 posts in 1267 days


#7 posted 08-17-2012 06:14 PM

+1 for what Jim said. No need to mess around with shims glue, or tape anything to the box.

-- He who dies with the most tools... dies with the emptiest wallet.

View ratchet's profile

ratchet

1300 posts in 2477 days


#8 posted 08-17-2012 07:34 PM

I’ve done this a bunch and agree with a1Jim for the most part (with a few added steps). Take a piece of scrapwood (the same thickness as your box sides) and adjust the depth of cut on your TS until it leaves under 1/64th behind. You should be able to seperate the 2 sides easily with a sharp razor knife. If not adjust the blade height accordingly. Once set cut one side of your box. Test by cutting about 1” of the seam to ensure the your razor knife can cut through easily. If not adjustment is needed. If all is good, cut all the way around. Once you do it once or twice it will become second nature and a joy to execute.

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