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steam-bending-box-plans I have always wanted to try wood bending. Particularly steam bending, so I purchased a Steam bending kit from Rockler and in this video I build a steam box. Steam bending is more frequently performed using steam at approximately one hundred degrees Celsius. The process of steaming the wood increases its pliability allowing it to be bent into different shapes. As the wood dries it will maintain the shape it has been bent into. The steam bending process is used for any number of applications. A common area where it will be used is furniture. Furniture periodically requires curved wood for the shape and this is an ideal method of achieving this effect. Another common application of steam bending is stair rails. In many homes stair cases have a gradua. Wood Bending Steam Box: For a commissioned sculpture I needed to bend some lengths of pine in a 90 degree arc. To do that I researched both kerf bending and steam bending and ultimately settled on steam bending. Now I had to figure out how to make a box that could stand up   For a commissioned sculpture I needed to bend some lengths of pine in a 90 degree arc. To do that I researched both kerf bending and steam bending and ultimately settled on steam bending. Now I had to figure out how to make a box that could stand up to a few weeks of solid use. After a few tutorials I settled on the following design.

Wear protective gloves to steam bending box plans your hands and arms from being scalded and do not put your face near any opening where steam may escape and burn you. The size of your llans box needs to be as small as possible - just big enough to hold your workpiece. Steam bending box plans steam boxes require a greater volume of steam to adequately heat them and will take longer to reach full temperature. Your steam box needs to be tight, but not too tight.

The hot steam needs to flow through the bendingg box not just into it. If your box is too tight, it will build up pressure and explode.

If it is too loose, it will never reach temperature. The best way to get it right is to build it relatively tight, then drill vent holes boox needed to prevent it from trapping too much pressure. If the steam bending box plans gets up to temperature and you feel built bnding pressure when opening the door or removing the bensing cap or the steamm pops off on its ownyou need to make some vent holes.

A steam box can be made from PVC, plywood or hardwood. It just needs to be able to stand up to moisture and heat. Your steam box needs to have some kind of support for your work pieces stteam the box so steam bending box plans they are surrounded by steam, not just heated on one or two sides. Dowel rods work well and are relatively easy to bendinv.

Metal rods as supports may stain your work and would burn you more readily should you accidentally touch them. Examples In our classes, we use two different styles of steam boxes. One style is a plywood box. The other is a PVC tube. It is very simple - butt joints and screws.

The work plahs are held up on dowels that run across the center of the box. The steam goes into the box via a hole drilled into the end of the box. The hole accomodates the hose from the steam generator. It has a hinged door at one end with rubber weather stripping for a seal.

It is big enough that we can steam chair parts for a class with ten students all hending the same time. This box is steam bending box plans overkill for the home shop user, but the basics of its design can be scaled up or down to meet your needs.

Brnding interior volume is too big for one of our single watt portable steamers to heat up well enough, so we have to hook stea two steamers. An interior dimension roughly 4"x 4" or bbending 5" with a 3 to 5 foot length would be a workable volume to heat with the watt portable steamer we carry. More powerful steam generators will heat larger boxes. You could make a door opening with hinges and a latch, a sliding gate style door or use threaded inserts and Steam bending box plans knobs for securing a simple bulkhead style end cap.

Rubber weather stripping can help seal a leaky door. It's not pretty, but hey - it's a steam box. The center piece of hardware is a sash lock that draws the door tight to help seal the box. Inside view of the plywood steam box. Dowels create a support rack for your parts so steam will surround your work. The PVC style steam tube can be used for almost any steam bending project by using the appropriate size and length of schedule 40 PVC.

Pictured is a small steam tube made from a 36" long piece of 4" Schedule 40 PVC pipe. Like the larger box, it has dowels through the center to support the workpiece. The ends are closed with regular PVC slip caps. The caps are not glued on as a safety precaution.

If the box starts to build up too much pressure, a cap will pop off - releasing the pressure. We use this steam box slightly tilted so that the water condensation will run to one end and drain out of the box. The dowels stick out slightly from the sides of PVC. When the steam starts to roll they swell and stay put steam bending box plans fine. When cold, bebding dowels can slip out of place so you can use sealant or a drop of glue to keep them permanently in place.

Inside view of PVC steam tube. Other factors to consider: The Earlex Steamer comes with a brass fitting for connecting to your homemade steam box or tube. The steamer hose has a fitting with female threads that connect to the male threads of the brass fitting.

You can drill a steam bending box plans hole in scrap material first to check bemding a good fit and use another steeam hole bendong needed. Because the threads are British standard, it is doubtful you will find a fitting in the hardware store to mate them up with. So just drill an appropriate sized hole in your xteam or PVC steam bending box plans you can screw the fitting securely into.

You can use Teflon tape if needed to help get a good seal. Vending brass fitting screws into the end of your steam bending box plans box or tube. This allows you to connect the hose on the Bennding steamer to your steam box bos tube. You could try to insulate the box and delivery hose to help boost the temperature. If you dimension your wood to size before steaming by riving it off a wood billet, the rate of cracks and failures when bending steam bending box plans be less than if your wood is cut to size with a saw.

Since riving follows the grain more than sawing, the wood fibers are less likely to tear and fail when you bend the wood.

The general rule when steaming is to cook the wood for one hour in the box for every 1" of thickness. Play it safe when working around steam. Use gloves. If you generate steam using an open flame like a turkey fryer propane burner or other device steam bending box plans, steamm very careful!

Consult a book, DVD or online sources steam bending box plans find out more about how to do steam bending successfully. Steam bending box plans with steam is dangerous.

Norton Publishing Wall Lenk Co. The Basics The size of your steam box needs to be as small as possible - just big enough to hold your workpiece.

Shown with a meat thermometer inserted into a small hole at the top. Toll Free Your cart is empty. Enter name to search for wish list.

Jul 11,  · You’ll need to refill the kettle three or four times per hour for a box this size. Tongue and groove joints help seal the box’s sides (photo, below right). Form the tongue by milling a 3/in. deep by 3/8-in. wide rabbet along the box’s sides. Use #8 screws, /2-in. long, and a waterproof glue, such as Titebond III, to assemble the www.- : American Woodworker Editors. Dec 01,  · Make four identical sides from exterior plywood. Build the length to suit your needs but keep the interior space to about 7 in. square. A propane-powered turkey fryer filled with 3 to 4 gallons of water will produce enough steam for most projects. Keep the interior of the box . I have decided to experiment with steam bending" flitches before I glue them up into the final radiused chair back. I plan to steam five each of" flitches that measure 10"x 28". I think steaming the individual flitches first and then letting them set before I glue them up in the final press will help make the glue-up process go much smoother eliminating a lot of the spring back.

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