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    Why are #5 threads uncommon?

    I was seeing 2-56 for a while but not any 5's. Those familiar with industrial sewing machines like Union Special will see proprietary sizes like 9/64"-40 and 3/16"-30 .... gawd what a PITA to keep it original.
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    Stripped screw on J-HS head

    ok, thanks a bunch. i need to take a better look at it, my eyes are getting worse lol
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    Stripped screw on J-HS head

    Yes it does seem like a very puney screw considering the amount of thrashing it takes. Thanks for the reply.
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    My shop in Western Colorado

    forget it, what a dud
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    My shop in Western Colorado

    try again .... no more thumbnails
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    My shop in Western Colorado

    My 1952 Atlas (Craftsman) 12" underdrive on it's oem cabinet stand with 3j, 4j, 3C collets, Series 180 collets, Trav-a-dial, ect. blah blah blah yada yada yada
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    My shop in Western Colorado

    Hope I can get the pic on here ok (fear, sweat, worry) Next post in this topic is do-or-die.
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    Stripped screw on J-HS head

    I have a T-ram B/P with the J-HS stepper head and that collar on top, the one you move to go from hi to low has the two shoulder screw guide pins that run in that angled slot, well one of those screws stripped out. Hi range runs fine but low will do a partial gear grind because the inner piece...
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    Riveting question

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    Riveting question

    Keep in mind these two pieces sold together are $800, this part has to be fixed. There's a couple of issues, one is that the steel gear is harder than a whore's heart, not much can be done with modding it other than grinding. The holes arn't wallowed out in it, it's aluminum clutch basket that...
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    Riveting question

    It comes from the factory being riveted and it lasted 20 years up until just recently. I made a fixture for the clutch basket to nest on so it's supported from underneath while I pound on the rivets, otherwise I'd break the tab ears off the clutch basket. I was thinking of heating the rivets up...
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    Riveting question

    Ok, I have this clutch basket / gear assembly of my 1989 KTM 500 dirtbike and it's two pieces, a die cast aluminum clutch basket riveted to a steel gear with six steel rivets 8mm in diameter. The rivets have worked loose and the rivet heads started breaking off (good thing for a magnetic drain...
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    Best way to raise Nardini Lathe 4"?

    I have a Mori MS-1050, I used 4x4 HR blocks 8" long. I hate it when a lathe is too low, it kills your back!
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    wtb atlas lathe parts

    The pic shown in this topic looks exactly like my 12", according to the last parts source I used (and the s/n) it was said to be a 1952 underdrive on the oem cabinet stand.
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    FS: Victor Welding

    Two regulators, two sizes, small and slightly smaller, both have RH coupling nuts (oxygen, right?) and one small mixing handle. Larger one has center knob for working pressure, 0-100 psi working pressure guage and 0-3000 psi (0-220 CF) tank guage. It is marked: "Victor Welding Equipment Company...
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    Turning between centers

    Really, really good advice coming in. All of us familiar with this kind of work know the drill.... Narrow copper shims (or "packing") for chucking avoiding the "longjaw" effect of too much jaw length contact. Using the steady is a trick in itself, sometimes I'll keep an indicator on the part as...
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    Turning between centers

    Yes, I tried the followrest on simular jobs and that thing is the kiss of death. This company took a brand new Summit lathe (yes I hate them too) and ran it for twenty years without ever anchoring it or leveling it. You know how that goes, once a lathe like this (a longbed) is run for years and...
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    Turning between centers

    Yes, it's a Summit lathe with a 4" spindle bore. The company I work for refuses to outsource a grinding op.
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    Turning between centers

    I've got a part to run and it's a high speed roll for a folder/gluer packaging machine. The material is 3-1/4" stressproof steel 44" long. It's a typical looking roll, looking just like a rolling pin with a 30" center section at 3.117" - 3.119" finish diameter and a 1.500" - 1.498" 7" long stem...
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    Packaging Machine

    Looks good. Our company build case packers, folder/gluers, flame sealers, ect.
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