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Thread: WIP: Create from a crate project
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23rd November 2013, 04:32 PM #1
WIP: Create from a crate project
Earlier this year I entered the Create from a Crate project and collected my 'crate', actually a large pallet. A number of pallets were brought to Sydney through the Woodworkers Association of NSW (sorry, I don't know who'd did this, but thanks) for members, and we could have two pallets. I only took one.
I've only just had a chance to stat on the project, and thought it would make an interesting WIP. First, I had to dismantle the pallet. I cut the thinner cross pieces inside the outside rails, then used a pinch bar and hammer to remove them from the middle rail. Iid have done better to cut either side of the middle rail as some of the cross pieces split, but as I wasn't sure what I was going to make I tried to keep as much length as possible.
Dismantled crate.jpg
The next step was to remove all the nails. These are twist nails with barbs, and weren't intended to come out! I'm not sure yet if I'll use them or not.
Nails.jpg
I then machined all the beams and the best of the cross pieces to the best size I could get. I also wanted to see what sort of timber I actually had. It looks that the beams are American oak. The cross pieces are a mixture, but some looks like American cherry and has a bit of nice figure and spalting.
Dressed.jpg
There were quite a few voids and splits, so I filled them with West System epoxy. I build a dam of hot-melt glue around the voids, and if necessary, fill them in two goes. After setting overnight, it is easily machined, planed, scraped and sanded.
Filling cracks.jpg
I've decided I can make a set of four triangular coffee tables from the crate, so I've machined the sides to size (but over length.)
machined to size.jpg
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23rd November 2013 04:32 PM # ADSGoogle Adsense Advertisement
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23rd November 2013, 05:45 PM #2
Looks interesting.
anne-maria.
Tea Lady
(White with none)
Follow my little workshop/gallery on facebook. things of clay and wood.
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25th November 2013, 09:19 PM #3
I dressed the frame pieces to size, and marked the short sides, then cut them slightly oversize. The mitres were done on the disc sander and planed to get a close fit. The clamping jig is used to check the fit.
clamping jig.jpg
Inside the frame will be a simple veneered pattern, so I dressed some of the cross pieces from the pallet and cut thick veneers. At present, they are about 3mm thick, but will be dressed and sanded thinner, then further sanded when assembled to bring them flush with the frames.
Veneers.jpg
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29th November 2013, 12:19 PM #4
After sanding the veneers to a uniform thickness, I laid them out so that I could get the necessary number of triangles from them. I would have liked to have used only one or two types of timber in the veneers, but unfortunately there wasn't enough of any type to do this, so I worked on what I had.
Veneer panels.jpg
These were then cut and planed to size to fit the table frame while it was clamped in the gluing jig. There is an interesting mix of timber in them. Some looks like Tasmanian myrtle (it's not, though) and another looks like blackheart sassafras.
Joining veneers.jpg
Now they are glued together, they will be put through the drum sander again remove any unevenness, then attached to the ply backing and mounted in the frames.
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29th November 2013, 01:22 PM #5
Looking interesting.
RegardsHugh
Enough is enough, more than enough is too much.
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29th November 2013, 01:48 PM #6
Wow. Love the veneers.
anne-maria.
Tea Lady
(White with none)
Follow my little workshop/gallery on facebook. things of clay and wood.
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4th December 2013, 08:39 PM #7
I've now started gluing up the tops. The veneers are glued to a ply back which is recessed into the sides. The veneer sits slightly proud of the sides, and will be sanded down. In the past, I've stuck the veneers to the ply, then in a separate step, the sides were glued up around the panel. This time, I'm having a go at doing them all in one hit to try & save a bit of time. We shall see how effective this is.
Before gluing, I put wax everywhere on the jig and on the table top that there is likely to be any squeeze out. I'm using Techniglue.
Gluing top.jpg
While doing the second top, one of the blocks on the jig that I clamp on came adrift. This, of course, forced the sides to slide out of position and dislodge the top, all happening while the glue is going off on a warm day. I had to quickly drill and temporarily re-attach the block, re-assemble and clamp while trying not to get glue everywhere.
As I don't have a vacuum bag, the panel has a piece of triangular MDF under it which holds the sides just off the jig, and another piece on top that acts as a caul.
Here's the first top glued up.
Top glued.jpg
I'm about to remove the third top from the jig and clean off the squeeze-out.
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6th December 2013, 11:38 PM #8Member
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It's looking good mate. Good work
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8th December 2013, 05:22 PM #9
A bit late for the pallet challenge.
Will be watching this one.
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9th December 2013, 07:45 PM #10
watching and learning
regards
Nick
veni, vidi, tornavi
Without wood it's just ...
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12th December 2013, 08:53 PM #11
All the assembled tops were sanded all over to 800 grit and given a coat of shellac as a sanding sealer. This is just one of the configurations they can be set up in.
Table tops.jpg
Now it's time to start on the legs. Like most of the timber, it has nail holes, voids and splits that need to be filled. Again, I've used West System epoxy. Getting it into the holes involved spinning it down with a broken drill running in reverse, poking it down with wire and having multiple goes.
Legs filled.jpg
Once the voids were filled, the overflow was cleaned up and the legs were squared. They then had to be sawn to the shapes needed. The legs at the right-angle corners are simply a square with one corner cut off, easy to do on the table saw. However, the kite-shaped ones at the 45 deg. corners can't be done on the TS, (well, they can, but never again!) so I set up the bandsaw to do them on it. Before cutting, they are marked out accurately on both ends and the sides.
Sawing corner legs.jpg
The second cut can be done on the table saw after the bandsaw cut is dressed.
Legs shaped 1.jpg
Legs shaped 2.jpg
The legs are then planed to the marked lines, and the tenons that will attach them to the tables turned. It is important to turn the tenons accurately to size, as if they are too loose, it will be difficult to glue them up accurately later on.
Tenons turned.jpg
At last, the dry fit of the first table. The distance between the faces on each pair of legs is measured accurately and marked on the underside so the stretchers will be the correct length. The stretchers are more decorative than structural, but they should help with accurate assembly.
I'm supposed to send a completed photo tomorrow, so it looks like an early start!
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14th December 2013, 06:23 PM #12
Well I didn't get them completed, but I took some pics of them at the stage I'd reached. Legs temporarily mounted to tops.
19 Square.jpg
18 Rectangular.jpg
20 Triangle.jpg
I've also made the stretchers and am in the process of fitting them. Then it's a lot of sanding & shellacking the legs and stretchers, light sand all over, assemble & oil.
Did I tell you I hate sanding?
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14th December 2013, 07:45 PM #13
Looking good.
Craig
Expert /Ex-Spurt/ -n. An "Ex" is something that has been or was. A "Spurt" is a drip under pressure.
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18th December 2013, 11:06 AM #14
I made the triangular stretchers by machining boards to the correct thickness, then cutting the triangular sections on the table saw. Rounded triangular tenons were cut on the ends of the stretchers, to fit holes drilled in the legs. These aren't a tight fit, but I'll use gap-filling epoxy to hold them.
I'm on the down hill run now. I lightly sanded all the shellacked parts to 800 and cleaned them off with white spirits.
To glue up.I'm using Techniglue epoxy tinted with ochre & umber. First, I dry assemble each table and put floor wax around all the joints where there is likely to be any squeeze out. Gluing up needs to be done in a particular order. First, put glue on the three circular mortices on the underside of the table. Then put glue on the tenons of the two kite shaped legs that go on the 45 deg corners, and also in the circular mortices for the stretchers. Then put glue on all the tenons on the stretchers.
Put one tenon of the long stretcher into its mortice, put the mortice in the other leg onto its tenon, then fit the leg to the table top. Put the tenons on the two two shorter stretchers part way into their mortices, and put glue on the joints of the third leg. Fit the the remaining stretcher tenons into their porticoes and push the third leg in, then fit it to the table top. Push all legs firmly home.
Clamp the legs lightly as shown, then put a ratchet strap clamp around the three legs and tighten it to close up the stretcher joints. Then, check that each leg is perpendicular to the table top. You need to do this check at least twice for each leg, i.e. once against each side of the top. To adjust them, adjust the position of the clamp. When you think you have them all correct, check them all again, and make sure the stretcher joints are all closed up.
Gluing legs & stretchers.jpg
After the glue has dried but before it has completely set (about four hours depending on temperature) remove the clamps and pare the squeeze-out off with a chisel. The wax will cause it to come away easily. Then remove all the wax with white spirits, a toothbrush and paper towels.
Stretcher joints 2.jpgStretcher joints 1.jpg
As I said before, the stretchers are not necessary structurally, but I believe they add to the appearance of the tables.
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18th December 2013, 01:26 PM #15
love them.
anne-maria.
Tea Lady
(White with none)
Follow my little workshop/gallery on facebook. things of clay and wood.
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