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  1. #1

    Default Welding Up Worn Out Levers

    These are release levers inside a Winchester Clay target trap machine to keep the arm from whipping while cocking. The levers are in a gear box with automatic transmission fluid (Type F). The material is cast steel and welds very well. In the past I just build up and mill the ends back to spec. They have lasted 6 - 8 years before they wear out and stop holding the arm cocked. Recently two sets have worn out in 8 months, so I decided to ask the experts!!!

    1. The sharp (machined) corners wear off to a 3/16 radius.
    2. I have not chamfered or ground the edges prior to welding back up, just build up & machine.

    Questions:
    1. Should I grind off the corner more so there is more weld build up to get some heat into it and impurities out?
    2. Is there a rule of thumb on how much weld you should have between the base material and the finish mill surface?
    3. Is 309 stainless more wear resistant? The photo V-7- (3).jpg was welded by someone else. Appears to be another material, SS ? Didn't hold up!!
    4. Should I be welding parallel or perpendicula to the front edge when building up?

    Thanks
    Jim
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  2. #2
    Join Date
    Aug 2007
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    So. Cal
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    335

    Default ??

    Without seeing the whole picture (machine) and where the parts actually belong I'm kind-of at loss. It sounds as if your previous repairs did a good job. Perhaps the early wear-out is due to something else? or maybe you just didn't get a good bite this time around? I've seen these trap machines before but they differ from one to the other. Can you get some pics with the parts in place?

    TacMig
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  3. #3

    Default

    tacmig,

    Its hard to see the U-Shaped lever on the left side (U-facing the front of the gear box). The bottom of the U-finger locks into the knotch on P2110207 photo left side.

    You maybe right about the previous repairs working. I pick up parts from other clubs and if they looked and measured ok, I used them. Not any more!! Grind, Clean, weld and machine!!!!

    Any suggestions on the direction to lace weld ?

    jim
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  4. #4
    Join Date
    Aug 2007
    Location
    So. Cal
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    335

    Default Lace weld.

    Quote Originally Posted by Trap Doctor View Post
    tacmig,

    Its hard to see the U-Shaped lever on the left side (U-facing the front of the gear box). The bottom of the U-finger locks into the knotch on P2110207 photo left side.

    You maybe right about the previous repairs working. I pick up parts from other clubs and if they looked and measured ok, I used them. Not any more!! Grind, Clean, weld and machine!!!!

    Any suggestions on the direction to lace weld ?

    jim
    Have you tried a circular weld? You can lace up, back then circle. I'm assuming the lace you are talking about is the same as a stitch? You can stitch with-out pulling your gun or stick by this technique. Just begin at the bottom, work out then to the top and to the next stitch.

    Hope this helped?

    TacMig
    We depend On:
    Miller | Esab | Lincoln | Fronius
    Baileigh | Drake | Eagle | Knuth
    Victor | Harris | Smith | Bessey
    Snap-On | Hilti | Ingersoll Rand
    Burco/Koco | Onan | BobCat
    Tracker | Infratrol | AmeriCast

    We belong to or support:
    American National Standards Institute
    American Welding Society
    The Welding Institute
    Fabricators & Manufacturing Association Int'l.

    Anderson & Co. LLC
    Metal Cr
    afters

  5. #5

    Default

    tacmig,

    Is this the type of stich your refering too?

    I really appreciate the help.

    jim
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  6. #6
    Join Date
    Aug 2006
    Location
    Raymore Missouri
    Posts
    1,920

    Default

    Why don't you harden them after machining?
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  7. #7
    Join Date
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    Default That's it..

    Quote Originally Posted by Trap Doctor View Post
    tacmig,

    Is this the type of stich your refering too?

    I really appreciate the help.

    jim
    For the size of the material you are welding this will do, I hope! It's the strongest I know of. Be sure to run your bead in a circular motion. This will give you better penetration and will also help with post grinding and machining.

    Good luck,

    TacMig
    We depend On:
    Miller | Esab | Lincoln | Fronius
    Baileigh | Drake | Eagle | Knuth
    Victor | Harris | Smith | Bessey
    Snap-On | Hilti | Ingersoll Rand
    Burco/Koco | Onan | BobCat
    Tracker | Infratrol | AmeriCast

    We belong to or support:
    American National Standards Institute
    American Welding Society
    The Welding Institute
    Fabricators & Manufacturing Association Int'l.

    Anderson & Co. LLC
    Metal Cr
    afters

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