One other thing is that some of the group was down there and saw the tables. From what I was told they OK'd keeping them (trying to come up with more storage room though. The lightweight commercial plastic tables we have are old and are getting brittle (as plastic does) and are starting to break fairly easy.
I did see one person moving one of the tables around using the wheels instead of picking it up and moving it to where it was needed. Very handy! These tables are for ass-phault and see-ment pavement not dirt or rocky surfaces.
Lee
Small, roll-around table built out of old parts.
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Ol'fogasaurus
- Posts: 17881
- Joined: Mon Nov 13, 2006 10:17 pm
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Ol'fogasaurus
- Posts: 17881
- Joined: Mon Nov 13, 2006 10:17 pm
Re: Small, roll-around table built out of old parts.
For what it is worth: I am building another table (this time with a much longer tabletop) with wheels but this time I have run into a problem with the build. The chair I used for the wheels turned out to be a metric design, so I have to figure out how to use non-metric (SAE) materials to mount the upwards post. I was able to find something that worked but only after I made some special washers to keep it centered in the lower mount and a special lower threaded post for clamping the post to the wheels.
The upper mount was easy to find but the wall thickness is a problem. Also, the "scrap metal" I was trying to use to mount the tabletop to wants to warp if heat is applied to it. I fought with it for several days before I got the upper mount to weld to it but a couple of days later... it had warped again. When I cut it I used a metal bandsaw and even then that little heat caused warping in a couple of places (I wonder if the mixing of the metal materials wasn't done right).
Yesterday was a losing battel when trying to put the braces on the upper mount and the plate to mount the top to. One side wanted to warp and mother nature had arrived on the scene to do her business with things such as stuff flying onto the floor or the secondary light over the weld so I could see before I pulled the trigger. Then there was my stupidity to re-clamp the plate I was welding up so it wouldn't warp (it did and it warped more later).
If you're having problems like this on your build(s) then step back until you are cooled off enough to welcome battle with the "great fight" ("Mother Nature" does not give up) that is included in having fun building things.
Lee
Have a "cool yule" and a "frantic first"!
The upper mount was easy to find but the wall thickness is a problem. Also, the "scrap metal" I was trying to use to mount the tabletop to wants to warp if heat is applied to it. I fought with it for several days before I got the upper mount to weld to it but a couple of days later... it had warped again. When I cut it I used a metal bandsaw and even then that little heat caused warping in a couple of places (I wonder if the mixing of the metal materials wasn't done right).
Yesterday was a losing battel when trying to put the braces on the upper mount and the plate to mount the top to. One side wanted to warp and mother nature had arrived on the scene to do her business with things such as stuff flying onto the floor or the secondary light over the weld so I could see before I pulled the trigger. Then there was my stupidity to re-clamp the plate I was welding up so it wouldn't warp (it did and it warped more later).
If you're having problems like this on your build(s) then step back until you are cooled off enough to welcome battle with the "great fight" ("Mother Nature" does not give up) that is included in having fun building things.
Lee
Have a "cool yule" and a "frantic first"!
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Ol'fogasaurus
- Posts: 17881
- Joined: Mon Nov 13, 2006 10:17 pm
Re: Small, roll-around table built out of old parts.
I'm building another table on wheels for a larger computer screen to watch movies on when I ran into something I have never seen or worked on before.
Like the other tables in this build forun, the top of the table and the screen is on a 5 wheel chair base (in this case metric which caused some additional work like making custom washers to keep the post centered in the wheeled mount). It has wheels so it can be moved around with the screen and disc unit on it so I can clean the carpet where it will sit then I can move is back when done. Where I run into something I have never seen before is the flat stock for the top piece that will connect to the table area that I bought in a "scrap yard" (so to speak).
I have done the drawings for 9 (or so) fasteners that became not only part numbers and directions for where I worked but also they became (renumbered) into MIL and ANSI specifications (most countries also have dimensional, fasteners and flat stock material specs like these and, even their own dimensions). The process in making things like fasteners and some materials is difficult as there is a quite a view process specs on how to do and in what order to go after the progressive stations when making the stuff, but this piece of flat stock is really weird.
When I got the stock, it laid flat on both sides but when even a minute amount of heat is applied especially to one surface (such as using a rotary wire brush when trying to clean off the paint) the flat stock would warp in one or even more than one direction. Leave it alone for a while and it flattens back out.
It also didn't like having the post mount adapter being welded to it and even more so the bracing on the mount to keep the mount from flexing where it was welded to the scrap stock. It even warped some when I was drilling the mounting holes in the flat stock.
I think it will be OK in the long run, but it acts like miss-built fasteners often do when they are built to a low-level design or not using the process specs of the standards. Kind of like the fasteners I posted a while back were there was a note in the design where the threads might be higher than the shank's diameter was which probably means that the rolled threads were not properly done, or the material was flawed and not to the proper process specs.
This is kind of for what it is worth that I ran into and it may be around more than one would think.
Lee
Like the other tables in this build forun, the top of the table and the screen is on a 5 wheel chair base (in this case metric which caused some additional work like making custom washers to keep the post centered in the wheeled mount). It has wheels so it can be moved around with the screen and disc unit on it so I can clean the carpet where it will sit then I can move is back when done. Where I run into something I have never seen before is the flat stock for the top piece that will connect to the table area that I bought in a "scrap yard" (so to speak).
I have done the drawings for 9 (or so) fasteners that became not only part numbers and directions for where I worked but also they became (renumbered) into MIL and ANSI specifications (most countries also have dimensional, fasteners and flat stock material specs like these and, even their own dimensions). The process in making things like fasteners and some materials is difficult as there is a quite a view process specs on how to do and in what order to go after the progressive stations when making the stuff, but this piece of flat stock is really weird.
When I got the stock, it laid flat on both sides but when even a minute amount of heat is applied especially to one surface (such as using a rotary wire brush when trying to clean off the paint) the flat stock would warp in one or even more than one direction. Leave it alone for a while and it flattens back out.
It also didn't like having the post mount adapter being welded to it and even more so the bracing on the mount to keep the mount from flexing where it was welded to the scrap stock. It even warped some when I was drilling the mounting holes in the flat stock.
I think it will be OK in the long run, but it acts like miss-built fasteners often do when they are built to a low-level design or not using the process specs of the standards. Kind of like the fasteners I posted a while back were there was a note in the design where the threads might be higher than the shank's diameter was which probably means that the rolled threads were not properly done, or the material was flawed and not to the proper process specs.
This is kind of for what it is worth that I ran into and it may be around more than one would think.
Lee
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Ol'fogasaurus
- Posts: 17881
- Joined: Mon Nov 13, 2006 10:17 pm
Re: Small, roll-around table built out of old parts.
I'm getting down to the last of these tables, it is going to be for putting a TV and video player on. It may have to be taken apart off-and on for storage so I got thinking about seeing if there is a wood screw with the top of it threaded for a nut and jam nut.
The first screw is similar to what I am look at ($$$) and the wood screw thread looks like it could be too long as the table is only (roughly) 1" thick. There are a couple more designs here also and I did find another site that has something similar.
https://www.bing.com/shop?q=combination ... D4E49D83E6
Just to let people know that what you don't think is there... maybe it or something similar is.
Lee
The first screw is similar to what I am look at ($$$) and the wood screw thread looks like it could be too long as the table is only (roughly) 1" thick. There are a couple more designs here also and I did find another site that has something similar.
https://www.bing.com/shop?q=combination ... D4E49D83E6
Just to let people know that what you don't think is there... maybe it or something similar is.
Lee