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  1. #1
    Join Date
    Apr 2006
    Location
    San Diego
    Posts
    375

    Default Plasma screen stands

    I've been procrastinating long enough and need to knock out eight freestanding supports for some plasma screens to go in some corporate place somewhere.

    Short story is they get a 3/8" thick x 32" diameter steel base, which also gets a 5" x 1/8" skirt. Two 3" OD tubes rise up about 60" and a 1/8" plate gets welded between them to which the factory bracket mounts, and then the screens will hang from that.

    Here's the start:

    1) Eight bases, the template, and the drop. Heavy metal.
    2) Eight mounting plates waiting to bridge the gap.
    3) The bases get bolted to the ground, but they still need to be levelled, so I'm making three adjustable pads for each base, which will get welded to the underside of the disks and be concealed by the skirt. Parts is parts.
    4) My super fancy jig.
    5) Zing-bang.

    Thanks for looking.
    Attached Images Attached Images
    Maxstar 200DX
    Maxstar 300DX
    Dynasty 200DX
    Passport
    Spectrum 701
    LMSW-52 spot welder

  2. #2
    Join Date
    Nov 2007
    Location
    Saskatoon, Sask, Canada
    Posts
    1,270

    Default

    Sweet!
    at home:
    2012 325 Trailblazer EFI with Excel power
    2007 302 Trailblazer with the Robin FOR SALE
    2008 Suitcase 12RC
    Spoolmatic 30A
    WC-24
    2009 Dynasty 200DX
    2000 XMT 304
    2008 Thermal Dynamics Cutmaster 52
    Sold:MM130XP
    Sold:MM 251
    Sold:CST 280

    at work:
    Invision 350MP
    Dynasty 350
    Millermatic 350P
    Retired:Shopmaster 300 with a HF-251

  3. #3
    Join Date
    Feb 2008
    Posts
    8

    Default

    What does the finished product look like?

  4. #4
    Join Date
    Apr 2006
    Location
    San Diego
    Posts
    375

    Default

    Quote Originally Posted by NAS-NAS View Post
    What does the finished product look like?
    I don't know yet... . Check back in a couple of weeks.

    Once completed, they will get an automotive paint finish.
    Maxstar 200DX
    Maxstar 300DX
    Dynasty 200DX
    Passport
    Spectrum 701
    LMSW-52 spot welder

  5. #5
    Join Date
    Dec 2007
    Location
    bremerton washington
    Posts
    21

    Default Hey Nice work!!

    That stuff looks great! I only wish I had the refined tecnique you show here!
    I have a Dyn200dx and I love it! I assume that is what you accomplised these weld with!?
    Again,,,good work!!
    MB

  6. #6
    Join Date
    Apr 2006
    Location
    San Diego
    Posts
    375

    Default

    Quote Originally Posted by mulugod View Post
    That stuff looks great! I only wish I had the refined tecnique you show here!
    I have a Dyn200dx and I love it! I assume that is what you accomplised these weld with!?
    Again,,,good work!!
    MB
    Thanks for the kind words.

    Actually, I used my Passport to weld up those adjustable feet. Quick and easy.

    It's all in the planning, really. Not much to the welding. You'd be surprised.
    Maxstar 200DX
    Maxstar 300DX
    Dynasty 200DX
    Passport
    Spectrum 701
    LMSW-52 spot welder

  7. #7
    Join Date
    Apr 2006
    Location
    San Diego
    Posts
    375

    Default progress

    Here are some progress pictures.

    The skirt/rings are rolled from 1/8" x 5" material. I have to roll them in two halves. Therefore, the halves must be left long, then trimmed to size to fit the base.

    Question: How do you trim the flats off of the rolled halves?
    Answer: I have a shop full of bandsaws, but I'm using a vintage hand shear I picked up for $80.

    The shear rolls the ends a bit (as shears do), so we have to flatten them out with an expensive flattening machine.

    1) Rolled halves. These were rolled on my home-made roller (see other post).

    2) Jigged.

    3) Fancy, expensive cutting tool.

    4) Expensive, complicated flattening machine

    5) Detail of underside.

    Thanks for looking.
    Attached Images Attached Images
    Last edited by chrisgay@sbcglo; 09-05-2008 at 02:04 AM.
    Maxstar 200DX
    Maxstar 300DX
    Dynasty 200DX
    Passport
    Spectrum 701
    LMSW-52 spot welder

  8. #8
    Join Date
    Apr 2006
    Location
    San Diego
    Posts
    375

    Default base

    Picture of the base. There will be eight of these.
    Attached Images Attached Images
    Maxstar 200DX
    Maxstar 300DX
    Dynasty 200DX
    Passport
    Spectrum 701
    LMSW-52 spot welder

  9. #9
    Join Date
    Sep 2005
    Location
    northern NJ
    Posts
    1,860

    Default

    If your shear is rolling the edge then the blades are not sharpened or not adjusted correctly. There should be no rolled edge on a sheared plate.
    MM250
    Trailblazer 250g
    22a feeder
    Lincoln ac/dc 225
    Victor O/A
    MM200 black face
    Whitney 30 ton hydraulic punch
    Lown 1/8x 36" power roller
    Arco roto-phase model M
    Vectrax 7x12 band saw
    Miller spectrum 875
    30a spoolgun w/wc-24
    Syncrowave 250
    RCCS-14

  10. #10
    Join Date
    Apr 2006
    Location
    San Diego
    Posts
    375

    Default

    Quote Originally Posted by MMW View Post
    If your shear is rolling the edge then the blades are not sharpened or not adjusted correctly. There should be no rolled edge on a sheared plate.
    I should clarify. The blades make a clean cut. I wrote that it rolled the edge, which is misleading. The cut is clean, but the plate distorts/curls over the 5" width. This hand shear has a 4" blade, so I have to take the cut in two bites.

    Every shear I've ever used distorts the metal to some degree. Every piece of metal I've had sheared by someone else has been distorted to some degree. This applies to manual, electric, hydraulic, whatever. Every piece of paper I've cut with a pair of scissors has a curl to it.

    When I need to cut something with no distortion, I use a saw... or a water jet.

    On a similar note, I use a drill press (or water jet) to cut holes rather than a punch, which distorts the metal.

    Thanks for looking.
    Last edited by chrisgay@sbcglo; 09-05-2008 at 01:45 PM. Reason: clarity
    Maxstar 200DX
    Maxstar 300DX
    Dynasty 200DX
    Passport
    Spectrum 701
    LMSW-52 spot welder

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