Titivating A CNC Plasma Table

The Craftmans Shop > New from Old

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awemawson:
Trying to knock off all the mechanical jobs before I start re-wiring. Yesterday afternoon, and today's task was to sort out the mounting for the 'Gallows Bracket' - this is the davit affair that supports the cable going to the plasma torch, allowing it to reach the full gambit of the table.

When I bought it, the 25mm square tube it's made from was tack welded to a bracket that was tack welded to the main frame tube. I'd had to cut it off with an angle grinder to clear the door when I brought the table home, and had crudely bolted it back on as a temporary measure to use the table.

I decided to remove the tack welds and get the original bracket off the frame, and re-work it into a trunion allowing the gallows bracket to swing, and also be lifted out for transport. First I cut and bored a length of 30 mm bar with a 19 mm hole axially, then trimmed the original bracket and welded them together to form the trunion.

Then from the same 30 mm bar I turned one end down to 19 mm and made the other end 22.5 mm square using the 4th axis on the CNC mill. This allows the square to enter the tube and rest on a collar that I formed.

Then bolting the trunion back where it was removed from it was time for a trial fit - yes works fine.

Just needs a nice coat of blue paint - I'm slowly accumulating enough little bits to paint to make it worth while using a spray gun.

DICKEYBIRD:
Following along with you projects is always a learning experience Andrew. Where else can us Americans get such a worldly education for free? Along with the many tips & tricks contained in your threads, I learned a new word (titivate) in this one. I also learned the term "Blue Peter". Had to look that one up on Wikipedia.

I hope you enjoy creating these threads as much as I enjoy reading them! :beer:

awemawson:
Dickybird, thanks for the kind words. Glad someone is following :clap:

Motivation for the threads is largely to keep a record of what I've done, and also sort my thoughts out as I'm updating things - surprising how often I'll go back over an old thread to look something up, and if people are enjoying them then that's another fillip :thumbup:

DICKEYBIRD:

--- Quote from: awemawson on December 10, 2016, 10:33:42 AM ---....if people are enjoying them then that's another fillip
--- End quote ---
There's another one! :clap:

Pete W.:

--- Quote from: awemawson on December 10, 2016, 10:33:42 AM ---Dickybird, thanks for the kind words. Glad someone is following :clap:

Motivation for the threads is largely to keep a record of what I've done, and also sort my thoughts out as I'm updating things - surprising how often I'll go back over an old thread to look something up, and if people are enjoying them then that's another fillip :thumbup:

--- End quote ---

I've been following! And enjoying!! :D :D :D

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