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Thread: Bulltear 5' x 10' table with intergal rotary axis

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    Default Bulltear 5' x 10' table with intergal rotary axis

    I am finally getting around to documenting my 5’ x 10’ Bulltear plasma table with tube cutting area build.

    There is 64” x 124” sheet cutting area and a 12” trough area to one side for tube cutting. This way I should not have to interrupt the flat plate cutting area when I need to cut some tubing. There is clearance for up to a 17” diameter tube. I have yet to design the tubing tail supports.

    The following renderings show how the table was designed with as built updates.
    Bulltear 5' x 10' table with intergal rotary axis-lh-iso-top-jpg

    This view shows the display/keyboard/mouse cabinet on a rotating arm. There is a 186-gallon water storage tank and table control cabinet behind aluminum side panels.
    Bulltear 5' x 10' table with intergal rotary axis-rh-iso-top-2-jpg

    This view shows the slide out tray for the Hypertherm 85 on the side and the support and opening for a three-drawer cabinet. Also shown is the rotary axis.
    Bulltear 5' x 10' table with intergal rotary axis-lh-iso-bottom-jpg



    The upper frame is 3/16” thk 3” x 5” tubing. The legs and under table laterals are 1/8” thk 4” x 4” tubing. The lower laterals are 1/8” thk 2” x 3” tubing. The 5” deep water tray is 12 gauge along with the water tank, and rotary trough. There are two fork truck tubes under table made with 3” x 5” tubing laid flat.

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    Default Re: Bulltear 5' x 10' table with intergal rotary axis

    Frame Assembly

    All the tubing was cut out with remarkable accuracy on a 1950’s era Marvel 8 bandsaw.
    Bulltear 5' x 10' table with intergal rotary axis-dsc02759-jpg
    The three leg assemblies were assembled first. The three 3” x 5” tubing pieces were used as a assemble fixture on the leveled sawhorses.
    Bulltear 5' x 10' table with intergal rotary axis-dsc02762-jpg
    Bulltear 5' x 10' table with intergal rotary axis-dsc02770-jpg
    The completed legs were installed upside on the three 3” x 5” table tubes. Two additional sawhorses and two 6” I-beams were leveled to create a flat assembly surface.
    Bulltear 5' x 10' table with intergal rotary axis-dsc02771-jpg
    The two fork truck tubes are shown in this view.
    Bulltear 5' x 10' table with intergal rotary axis-dsc02844-jpg
    The lower 2” x 3” tubing was installed along with legs gussets, trough gussets, and bottom leg plates. I got a little over zealous welding the center leg gussets and ended up with 1/8”+ arch in the 3” x 5” side rails. This shouldn’t be a problem since the Bulltear x-axis rail will be mounted leverl and the THC will maintain proper torch height. That said the table is perfectly square and flat in every other direction.
    Bulltear 5' x 10' table with intergal rotary axis-dsc02848-jpg
    Each side opening was picture framed with ¾” x ¾” x 1/8” thk angle. The 3/32” aluminum panels will mount to the angle with Southco quarter turn panel fasteners for easy access.
    Bulltear 5' x 10' table with intergal rotary axis-dsc02854-jpg
    With the table flipped over it is starting to look like something.



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    Default Re: Bulltear 5' x 10' table with intergal rotary axis

    Mounting Accessories

    The basic table structure assembly was pretty quick and painless taking less then a week since that part was fully designed. I decided to design the under table component mounting on the fly because I thought it would be easier. It took over a month and a half to mount toolbox, control box and plasma cutter slide. Changing designs on the computer is always easier then cutting out and re-welding.
    Bulltear 5' x 10' table with intergal rotary axis-dsc02856-jpg
    On the right side of the table is the pivoting control console support. On top of the support is a plate for a 12” lazy susan bearing. The console will be a computer cabinet from Global Industrial with clear monitor door and slide out keyboard/mouse drawer. All the wiring will be routed trough the 2” x 3” tubing arm and through the lazy susan bearing to the bottom of the cabinet.

    Bulltear 5' x 10' table with intergal rotary axis-dsc02857-jpg
    Here are a another view of the 3-drawer toolbox mounting. A 1” x 1” x1/8” thk square tube lower frame was diagonally tied back to the upper lateral tube with more 1” x 1” tubing.

    Bulltear 5' x 10' table with intergal rotary axis-dsc02859-jpg
    Two 200 lb 24” full extension slides were mounted between a lower 3”x 4” x 3/16” angle iron frame and 1 ½ ” x 1 ½ ” x 1/8” angle iron slide frame.
    Bulltear 5' x 10' table with intergal rotary axis-dsc02961-jpg
    A hinge door will allow the plasma cutter to be easily slid out for manual cutting or maintenance.



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    Default Re: Bulltear 5' x 10' table with intergal rotary axis

    Drain tank

    The table drain tank has slightly more capacity then the table with about 180 usable gallons. It is constructed of two pieces of 12 gage to minimize seams. The tanks seams were welded by welder friend to make sure they were leak free. The table fill/pickup tube is 2” black pipe that sticks out of the top about 1” and is welded to the inside bottom to hold the tank together when pressurized. At the bottom of the pickup tube are four 1” notches to draw water in and to leave the 1” of sediment at the bottom from being picked up. That is the theory. I also installed three ¾” steel rods that attach to both the top and bottom to hold the tank together when pressurized.
    Bulltear 5' x 10' table with intergal rotary axis-dsc02860-jpg

    There are two clean out holes with 3/16” cover plates and six 5/16” bolts. I made gaskets from ¼” polyurethane belting but once I pressure tested it I realized six bolts was not enough. The 12 gauge flexed enough to let air pass between the bolts. I was hoping not to have to use RTV to seal it. Eight bolts per cover should correct that.
    Bulltear 5' x 10' table with intergal rotary axis-dsc02957-jpg

    The tank is located under one end of the table with just enough clearance for the fill/vent plumbing.
    Bulltear 5' x 10' table with intergal rotary axis-dsc02966-jpg
    Bulltear 5' x 10' table with intergal rotary axis-dsc02971-jpg

    Two inch pvc fitting and ball valves were used. Since there will be side panels I needed a way to acess the ball valves. I created these couplers that slide over the handles and pilot on the valve body. 1” square tubing handles are attached to ¾” steel shafts that insert into the couplers.
    Bulltear 5' x 10' table with intergal rotary axis-dsc03008-jpg

    Here are the handles on the outside of the panel. The bracket on the underside table is the mount of the air toggle and regulator. All the controls for the table fill and empty will be close.
    Bulltear 5' x 10' table with intergal rotary axis-dsc02983-jpg

    The table fill/drain has a trap to hopefully collect some of the debris before it enters the tank. This was created from a 2” long piece of 4” id tubing with 3” long piece of 2” black inserted in the center.
    Bulltear 5' x 10' table with intergal rotary axis-dsc02969-jpg



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    Default Re: Bulltear 5' x 10' table with intergal rotary axis

    Really cool design, and awesome fab work! It makes me want to build another one!



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    Default Re: Bulltear 5' x 10' table with intergal rotary axis

    Nice work! Thanks for posting. I'm may borrow some of these ideas.



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Bulltear 5' x 10' table with intergal rotary axis

Bulltear 5' x 10' table with intergal rotary axis