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Building Dave's Stacking Chair #2: Bent Lamination for the Curved Back

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Blog entry by Dave Rutan posted 07-20-2015 11:10 PM 971 reads 0 times favorited 5 comments Add to Favorites Watch
« Part 1: Cutting the Wood Part 2 of Building Dave's Stacking Chair series Part 3: Milling the Pieces »

[Legebla ankaĆ­ en Esperanto]

I wanted to get the bent lamination for the back out of the way because I wanted to leave it over night in the press.

[Below] I’ve learned from experience to protect the outer faces of the lamination with tape. Other wise the glue squeeze out gets on the edges and it takes more time to scrape/sand it off. I’m using packing tape here because I was out of wide masking tape.

[Below] The press is made from some particle board and it is just under the width of the pieces for the back. After spreading glue on the insides pretty liberally the pieces are pressed. Luckily I have this really big clamp to draw the middle in. Then two smaller clamps are used to hold it in on either side while the big clamp is reset.

-- Ni faru ion el ligno!



5 comments so far

View Mean_Dean's profile

Mean_Dean

5042 posts in 2610 days


#1 posted 07-21-2015 12:06 AM

Nice clamping jig! Do you get much spring-back with your bent laminations?

-- Dean

View Dave Rutan's profile

Dave Rutan

1430 posts in 1651 days


#2 posted 07-21-2015 12:08 AM



Nice clamping jig! Do you get much spring-back with your bent laminations?

- Mean_Dean

Very little actually.

-- Ni faru ion el ligno!

View CFrye's profile

CFrye

8739 posts in 1302 days


#3 posted 07-21-2015 05:23 AM

From what does the tape protect, Dave? Would it be asking for trouble to clamp more than one back at a time?

-- God bless, Candy

View Dave Rutan's profile

Dave Rutan

1430 posts in 1651 days


#4 posted 07-21-2015 10:29 AM


From what does the tape protect, Dave? Would it be asking for trouble to clamp more than one back at a time?

- CFrye

Sorry. I left out the reason. The tape keeps the glue squeeze out from getting on the edges inside the press. It’s not perfect and glue can run down inside a bit. I edited my post to reflect that.

I don’t think I could clamp more than one back at a time. Each back is 3 pieces of luan plywood glued together. Two backs would be 6 pieces. I also think the curve would end up different for each back. Maybe I should to a dry run.

-- Ni faru ion el ligno!

View robscastle's profile

robscastle

3392 posts in 1666 days


#5 posted 07-21-2015 10:15 PM

If you want them to be all the same profile clamp only one, otherwise to do concurrent gluing duplicate the cauls

-- Regards Robert

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