| Project by notottoman | posted 48 days ago | 857 views | 8 times favorited | 20 comments | ![]() |
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Whatcha think?
The previos PVC one was a real disastar. very amaturish and a waste of time.
It’s 1.800mm long .220 wide. and .300 high.
I can use it upright on the .220 or flat on the .300.
I drilled weeping holes and smoothed it at an angle to assist condensation run off. And sealled exposed wood with polyacrathane.
I added the door slide as an afterthought, I was going to use a door and hinge on both sides and then I saw a old piece of .002mm aluminium lying in the workshop. Cut to size, smooth fit.
Copper pipe pinched flat on either end, with a couple of .003mm holes drilled along it’s length. Joined with a T and an extention piece to go through the ply., to be coupled to the flexi hose/kettle. Copper pipe attatched with polypropelene holderbats.
I used Bulcatan wood glue (waterproof) and .040mm pozzi screws. Added door stops as feet to the 2 long sides.
Works so darn well. Excellent distribution of steam. I bent 6 resawn planks within 2 hours of it on the steam box. plank sizes 1.200mm long x .080mm wide x .008mm thick.
Now the question…...
Should steam be deliverd down to the wood or should it steam up into the wood?
Hope you enjoy.
Critisizim and comments PLEASE !
-- "Even small steps makes a distance." (Shawn Phillips, musician)

































20 comments so far
pommy
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960 posts in 587 days
posted 48 days ago
MarkII is looking good mate sweet .
-- cut it saw it scrap it
ratchet
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301 posts in 683 days
posted 48 days ago
Excellent SB! Heat move up right?
ohwoodeye
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92 posts in 49 days
posted 48 days ago
Can’t help you on any ideas for this one. I’ve spent my whole life looking for straight wood and you go ahead and start bending it.
-- Mike, Waukesha, WI
antmjr
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41 posts in 80 days
posted 48 days ago
ohwoodeye…one could use a bent box to straighten the bentwood though :)
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Well done notottoman!
-- Antonio --
cFurnitureGuy
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30 posts in 72 days
posted 48 days ago
i was just think about building one of those!
we have an old industrial clothes steamer at work that one of the ladies here said she was going to take home…. that was 3 years ago! if figured i could modify it to work for a better cause! there are no pressed shirts in my shop:)
great job im taking notes!
-- Justin, STL Missouri
jockmike2
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7325 posts in 1143 days
posted 48 days ago
Looks like it will do the job really well. Good for you mate. If I ever need to bend some wood, this will be the way to go.
-- Mike. mwurm13@yahoo.com
littlecope
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595 posts in 398 days
posted 48 days ago
Nice Job, Big Guy!! Haven’t had to bend anything, yet, but that looks like the way to go…
-- Mike in Manchester, NH---Unpleasant tasks are simply worthy challenges to improve skills.
littlecope
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595 posts in 398 days
posted 48 days ago
HeeHee… Great Mike’s like minds think…
-- Mike in Manchester, NH---Unpleasant tasks are simply worthy challenges to improve skills.
Recut
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11 posts in 73 days
posted 48 days ago
I saw a steam box made from an old rain gutter that worked pretty well. I am sure that steam came in from the bottom. Looking at yours I would try it on the bottom and then flip it on it’s side and see which way works best. What are you using to generate the steam? That’s a pretty fancy stainless pot I see in the pic. I have been thinking of making some canes from some brush and vines that are out in the woods and I am pretty sude that steaming the dried wood is the way to go. Best of luck!
-- Jim, Richmond Virginia
glynn
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50 posts in 216 days
posted 48 days ago
I had a go at the pvc as well no bueno for nothin this one look like the real deal good on you mate your in with a chance
-- jim nevada
a1Jim
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16910 posts in 473 days
posted 48 days ago
Looks goods nice upgrade
-- Jim from Heirloom Woodshop Southern Oregon
Abe Low
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67 posts in 742 days
posted 48 days ago
Looks great but I am confused about the measurements. Did you mean mm or meters. One mm is a thousandth of a meter. Or, 25.6 mm equal one inch.
-- Abe Low, Fine furniture, Sacramento, CA
Woodwrecker
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493 posts in 472 days
posted 48 days ago
Nice job on version II.
That sure enough looks like it’s up to the job.
Is you steam generator a refitted coffee pot?
Very ingenious!
Well done!
-- Eric
Abe Low
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67 posts in 742 days
posted 48 days ago
I needed a steam box for a small project. The bent and laminated pieces were of cherry for the ends of a coopered top of a chest. The steam box was made of wood, similar to notottoman’s but much smaller, 5” x 5” x 24”. The steam source was an old rice cooker. The box had a 4” dia hole in the center that was placed on top of the rice cooker. Worked fine but was soooo UUggllyy that after use the whole contraption went in the dumpster. ;-)
-- Abe Low, Fine furniture, Sacramento, CA
trimtrac
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45 posts in 126 days
posted 48 days ago
Looks a whole lot better than melted pvc that was up there. I was wondering,,, why is the copper pipe not running the entire length of the box? How long do you steam? I’m sure there’s some type of formula/chart that people follow. could you post lengthXwidth= time in box, just looking for a little food for thought.Thanks and can hardly wait to see finished project.
-- Which way did they go? Tell me, tell me I must know I'm there leader!!
John Gray
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1753 posts in 781 days
posted 48 days ago
Nice fix!!!
For those of you needing metric conversions here is a link: http://www.worldwidemetric.com/metcal.htm
-- Only the Shadow knows....................
notottoman
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453 posts in 126 days
posted 47 days ago
What i’m makin.
I am making the top back arch of a wing back chair that will be upholsterd.
It’s a ,800mm or 80cm or (I think) 36” diameter . Planks are +/- 55” long and about a 1/3 of an inch thick.
The steam is generated from a 5 litre office water urn/kettle with a thermostat. The lid is 8mm ply with a dence foam rubber cushion to seal the rim. Then a 30 kg block of steel to make sure ALL the steam gets into the box. The steam shoots about a yard or more from the end of the flexi pipe when it is not connected.
So you can imagine the pressure it comes out of the holes of the copper pipe… The box does not build up pressue. Too many holes.
YOu guy’s grew up with inches.. I will never know what 3/16th is. If I had to read out loud the measurements of a drawing I would spit all over myself : -) five eightths. 22 and 4 sixteenths. I just can;t.
Metric for me. Easy and to the point. :-))
-- "Even small steps makes a distance." (Shawn Phillips, musician)
SCOTSMAN
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2244 posts in 481 days
posted 47 days ago
Actually 25 .4 mm per inch, but as far as I know the steam comes up from the bottom and you seperate the wood with spacers to allow good penetration of the heat, to all surfaces.There is no point putting in a pile of wood neatly stacked and steaming in effect the top few and bottom few pieces.Have fun.I know a friend of mine made a steam box from a large underground gas (plastic ) pipe it works very well.Alistair
-- excuse my typing as I have a form of parkinsons disease
DaneJ
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53 posts in 105 days
posted 47 days ago
Looks like you do your steaming in the afternoon… after you empty the coffee pot ;)
dont the metal slide doors get kinda hot? may want a wooden knob incase you forget the gloves or tongs.
Great job.
-- Dane, Fairview Pk, OH. The large print giveth and the small print taketh away...
firecaster
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482 posts in 314 days
posted 47 days ago
I love the sliding door. I’m not sure about using a coffee pot unless you have a replacement to make coffee in.
With the kind of pressure you described I wouldn’t think it matters where the steam enters from. As long as the pieces have space between them you’ll fill the box up.
-- Father of two sons. Both Eagle Scouts.