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  1. #1
    Join Date
    Dec 2008
    Location
    Honolulu, Hawaii
    Posts
    26

    Default What joint to use?

    Hello everyone,
    Planning a future project out of 22 or 24 g. SS sheet metal that will basically be a funnel shape that will be for Food service use. Initially I had hoped to spin it on a lathe but don't have the expertise to do it this way so have opted to weld it up. The question is- is a butt joint better or a lap joint? The joint doesn't have to be completely smooth but cannot have crevices where food can get trapped. I would appreciate your input.
    Thanks,
    Gene

  2. #2
    Join Date
    Dec 2007
    Location
    alabama
    Posts
    745

    Default

    What will be the dimensions ?
    2, XMT's 350 cc/cv
    1, XMT 350 vs
    1, TRAILBLAZER 302
    1, MILLER DVI
    1, PASSPORT PLUS
    1, DYNASTY 200 DX
    1, MAXSTAR 150 STL
    1, HOBART CHAMP
    1, HF-251 BOX
    1, S-74d
    1, S-75DXA
    2, 12-RC SUITCASES
    2, 30 A spoolguns

  3. #3
    Join Date
    Sep 2005
    Location
    Salem ,Ohio
    Posts
    3,892

    Cool

    I would butt it with a small gap then grind it smooth on the inside...Bob
    Bob Wright, Grandson of Tee Nee Boat Trailer Founder
    Metal Master Fab Salem, Oh 44460
    Birthplace of the Silver & Deming Drill
    1999 MM185 w/185 Spoolgun,1986 Thunderbolt AC/DC
    Spool Gun conversion. How To Do It. Below.
    http://www.millerwelds.com/resources...php?albumid=48

  4. #4
    Join Date
    Jan 2009
    Location
    Cleveland, TN
    Posts
    229

    Default

    I second the butt weld, and grind inside smooth. Do you have a slip roll? This would be the best way to form this. Using a brake is also good.

  5. #5
    Join Date
    Dec 2008
    Location
    Honolulu, Hawaii
    Posts
    26

    Default

    Quote Originally Posted by fabricator View Post
    What will be the dimensions ?
    5 1/2 in. diameter opening at the large end, 3 in. at the small end, and 5 inches tall. I have searched high and low for a pre- made one but either the openings were the wrong size or the taper was too steep.
    Thanks,
    Gene

  6. #6
    Join Date
    Dec 2008
    Location
    Honolulu, Hawaii
    Posts
    26

    Default

    Quote Originally Posted by wrenchnride247 View Post
    I second the butt weld, and grind inside smooth. Do you have a slip roll? This would be the best way to form this. Using a brake is also good.
    I wish a had a slip roll or a brake but I'll have to use good ole' fashioned "persuasion"!!!
    Thanks,
    Gene

  7. #7
    Join Date
    Dec 2008
    Location
    CDB Land, TN
    Posts
    135

    Default

    Quote Originally Posted by genet View Post
    I wish a had a slip roll or a brake but I'll have to use good ole' fashioned "persuasion"!!!
    Thanks,
    Gene
    Thats gona be tuff, use a butt weld.
    Got a sheet metal shop close by and get them to roll it for you.
    Be safe
    Jeff

    Give more than you get and
    you will get more than ya need.
    This is true for the good and bad
    that life puts out.

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