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Stainless Steel Sink Cut and Welded together for Marijuana Grower

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  • Stainless Steel Sink Cut and Welded together for Marijuana Grower

    Here in Michigan we legalized Marijuana recently. My customer previously was growing Marijuana for medical use and now he is expanding his operation for recreational use. There is currently a lot of profit in growing Marijuana. Somehow they wound up with a ten foot restaurant quality 304 stainless sink that was too long to get down the stairs to the nursery, so I cut it in half and welded it back together once it was moved back to basement.

    1. Ten foot sink
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    The first step was to fabricate an Aluminum back up bar to trap the Argon and to minimize oxidation (sugaring) on back side of the weld joint. The next three pictures show clamping pieces of Aluminum angle to the bottom surface at the rear of the sink and tack welding it together.

    2. Back up on rear of sink 1
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    3. Back up on rear of sink 2
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    4. Back up on rear of sink 3
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    The next pictures show clamping pieces of Aluminum angle to the bottom surface at the front of the sink and tack welding it together. I turned a bar of aluminum to fit into the round edge of the sink.

    5. Back up on front of sink
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    sigpic
    Miller Thunderbolt
    Smith Oxyacetylene Torch
    Miller Dynasty 200DX
    Lincoln SP-250 MIG Welder
    Lincoln LE 31 MP
    Clausing/Coldchester 15" Lathe
    16" DuAll Saw
    15" Drill Press
    7" x 9" Swivel Head Horizontal Band Saw
    20 Ton Arbor Press
    Bridgeport

  • #2
    Here is what the entire back up bar looks like.

    6. Entire back up bar
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    Here are two close up pictures of the welds, because this is after all a welding forum.

    7. Weld on back up on rear of sink
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    8. Welds on back up bar on front of sink
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    I used my Matabo 6" angle grinder with a super slicer plus abrasive cut off wheel to cut the sink in half.

    9. Sink Cut in half
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    Next we stuffed Aluminum foil in the cracks in an attempt to keep the Argon from leaking out.

    10. Stuffing Aluminum foil in cracks
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    sigpic
    Miller Thunderbolt
    Smith Oxyacetylene Torch
    Miller Dynasty 200DX
    Lincoln SP-250 MIG Welder
    Lincoln LE 31 MP
    Clausing/Coldchester 15" Lathe
    16" DuAll Saw
    15" Drill Press
    7" x 9" Swivel Head Horizontal Band Saw
    20 Ton Arbor Press
    Bridgeport

    Comment


    • #3
      We supported both ends of the sink on their legs and we supported both sides of the middle of the sink with two service jacks. Here is a picture of the sink tack welded back together

      11. Sink tack welded together
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      Here is a close up picture of two of the tack welds.

      12. Close up of two tacks
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      My customer asked me to continuously weld the halves together, but asked me to leave the weld as it was without dressing.

      13. Close up of continuous weld
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      Here is a picture of the sink back together.

      14. Sink welded back together
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      -Don
      sigpic
      Miller Thunderbolt
      Smith Oxyacetylene Torch
      Miller Dynasty 200DX
      Lincoln SP-250 MIG Welder
      Lincoln LE 31 MP
      Clausing/Coldchester 15" Lathe
      16" DuAll Saw
      15" Drill Press
      7" x 9" Swivel Head Horizontal Band Saw
      20 Ton Arbor Press
      Bridgeport

      Comment


      • #4
        That's, like, groovy, man....

        Comment

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