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Cutting laminated corrugated cardboard

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Forum topic by Derek Lyons posted 05-06-2012 06:04 PM 1957 views 0 times favorited 4 replies Add to Favorites Watch
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Derek Lyons

584 posts in 2319 days


05-06-2012 06:04 PM

A friend is building a project from laminated sheets of corrugated cardboard, and made a couple of pieces too big… She’s asked for me to help in cutting them.

Basically, I’m trimming a four layer thick round sandwich of cardboard down about an inch to match a circle of luan plywood… I’m thinking a jigsaw with a very fine tooth blade is the best option.

Thoughts?

-- Derek, Bremerton WA --


4 replies so far

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GodofBiscuits

94 posts in 1827 days


#1 posted 05-06-2012 06:14 PM

Nothing beats a good sharp blade and a straight edge on cardboard but you might be able to get a clean cut on th scrollsaw if the pieces aren’t too large for it. If you have a bandsaw with a fine tooth blade that may also word for you.

Good luck,

Jeffrey

-- Are you going to use that piece of scrap?

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Loren

7826 posts in 2399 days


#2 posted 05-06-2012 06:17 PM

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Loren

7826 posts in 2399 days


#3 posted 05-06-2012 06:20 PM

Try grinding and honing a regular worn out jigsaw blade to
a knife edge. Test it. The teeth of a blade will likely
tear the top of the cardboard a lot. A sacrificial piece
on top can prevent that but it should probably be something
denser like matte board.

-- http://lawoodworking.com

View gfadvm's profile

gfadvm

11536 posts in 1441 days


#4 posted 05-07-2012 01:40 AM

I’ve cut a lot of corrugated cardboard on my tablesaw ranging from 1/4” to 1” thick. Used a 40 tooth blade and a zero clearance insert. Edges were much cleaner than I expected.I’ve used Loren’s tip to cut high density closed cell foam and it works great for that.

-- " I'll try to be nicer, if you'll try to be smarter" gfadvm

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