Piano hinged work table - Router Forums
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post #1 of 17 (permalink) Old 12-12-2015, 02:42 PM Thread Starter
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Default Piano hinged work table

I have a 30" x 6' piece of 3/4" plywood I will be attaching to the wall of my garage using piano hinges.

I will be bolting a support timber to the studs of the wall. The hinge will be attached to it and the plywood. The plywood should be able to swing up or down when not supported by legs.

What should I be aware of?

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post #2 of 17 (permalink) Old 12-12-2015, 03:20 PM
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Originally Posted by rwl7532 View Post
I have a 30" x 6' piece of 3/4" plywood I will be attaching to the wall of my garage using piano hinges.

I will be bolting a support timber to the studs of the wall. The hinge will be attached to it and the plywood. The plywood should be able to swing up or down when not supported by legs.

What should I be aware of?
screws will be too small and won't handle abuse...
two strap hinges would work...
billyjim, MYB and LazurusLong like this.

This would have been the week that I'd have finished chewing thru the restraints...
If only new layers hadn't been added....

Stick....
Forget the primal scream, just ROAR!!!
"SNORK Mountain Congressional Library and Taxidermy”
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post #3 of 17 (permalink) Old 12-12-2015, 03:22 PM
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Originally Posted by rwl7532 View Post
I have a 30" x 6' piece of 3/4" plywood I will be attaching to the wall of my garage using piano hinges.

I will be bolting a support timber to the studs of the wall. The hinge will be attached to it and the plywood. The plywood should be able to swing up or down when not supported by legs.

What should I be aware of?
What have you got in mind for legs and a front rail, Ralph? Depends how much support you need ,I guess. some chains from the corners would support it,but might sag a little in the center. Since you are using a 2X4 on the wall, some hinged supports might swing under it against the wall for legs. I would think some sort of a front rail would be desirable.
Just thinking out loud.

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post #4 of 17 (permalink) Old 12-12-2015, 04:52 PM
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I guess it would depend on the weight it needs to support. For example, does it need a box-type structure on the bottom side to support weight throughout the surface...can you bolt thru your studs rather than screws/lag screws...can you use something other than piano hinge for greater strength...what will you use for leg supports and should they be hinged to fold away (center of table or edges or both)...

...and this would apply to me...are you disciplined enough to put everything away so you can actually fold it away...? Otherwise it makes more sense to just make a solid table where you need it...
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post #5 of 17 (permalink) Old 12-12-2015, 05:08 PM Thread Starter
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...and this would apply to me...are you disciplined enough to put everything away so you can actually fold it away...? Otherwise it makes more sense to just make a solid table where you need it...
When I want to park the car, yes I would be disciplined enough.

The car does fit when the (future) table would be folded up and the large tools on wheels pushed to the back and sides.

Right now the car is parked in the car wash.
My zip code is the car wash.

[IMG]My zip code is a car wash. by Ralph Lundvall, on Flickr[/IMG]

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  • ...it happened in Everett, WA USA

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post #6 of 17 (permalink) Old 12-12-2015, 07:07 PM
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When I want to park the car, yes I would be disciplined enough.

The car does fit when the (future) table would be folded up and the large tools on wheels pushed to the back and sides.

Right now the car is parked in the car wash.
My zip code is the car wash.

[IMG]My zip code is a car wash. by Ralph Lundvall, on Flickr[/IMG]
Sorry Ralph,
I've been sending it all up your way, can't seem to shut it off, just keeps coming.

Herb
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post #7 of 17 (permalink) Old 12-12-2015, 07:16 PM Thread Starter
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Sorry Ralph,
I've been sending it all up your way, can't seem to shut it off, just keeps coming.

Herb
If you can do that, I think they needed you in Paris this weekend!!

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post #8 of 17 (permalink) Old 12-13-2015, 03:06 AM
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@rwl7532 , @Herb Stoops ...

you guys need to solidify it...
have snow instead....

This would have been the week that I'd have finished chewing thru the restraints...
If only new layers hadn't been added....

Stick....
Forget the primal scream, just ROAR!!!
"SNORK Mountain Congressional Library and Taxidermy”
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post #9 of 17 (permalink) Old 12-13-2015, 05:06 AM
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Go to a strap hinge. The piano hinge i tried to use on an extension to my workbench was not strong enough and was harder to align that I thought it would be. I also made fold down legs to support the table when folded up. Reinforced the legs with ply so there was room to put 2 hinges on each leg. Made it so the legs fold up out of the way and actually cross beside each other when folded up. The strap hinges were quite easy to attach so they aligned perfectly.

Glued a layer of MDF to the ply for thickness, then screwed a piece of 1/3 inch high density Masonite to the top and waxed the heck out of it so glue won't stick. The extra stiffness is nice and the MDF helps keep it perfectly flat. The extra thickness will also let you use heaver, longer screws to hold it in place. I attached the 16" wide by about 60 inch long extension to the back of a HF workbench. But I did cut some hardwood strips that I attached under the front and back aprons or skirts, of the table. They reinforced where the hinges attach and also provide a much wider edge clamping area than the 3/4 piece that is the apron. Finally, put some 1/4 x 20 threaded height adjusters on the bottom of the fold down legs. Really helps manage work and space to move around in a smallish shop.

The legs are folded up in the first picture, down in the second. In the second you can see how i used the ply to reinforce the leg, and to allow me to put on two hinges, which do not show. To allow the legs to fold up, I offset one leg so it would fit behind the other. The ply supports were cut to a length less than half the length of the fold down top so they wouldn't interfere with each other when folded. Very stable. I marked the floor where the legs go when the top is perfectly flat, but you won't need to do that.
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post #10 of 17 (permalink) Old 12-13-2015, 05:27 AM
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Sweet...

This would have been the week that I'd have finished chewing thru the restraints...
If only new layers hadn't been added....

Stick....
Forget the primal scream, just ROAR!!!
"SNORK Mountain Congressional Library and Taxidermy”
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