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    The Machine Work Thread

    Machined the S4 Blackhawk jack handle shaft P/N S4.127 for 930Dreamer. I took a couple pictures that I thought might be interesting. Lathe work. Parting operation. Milling the keyway. Had to tack weld the original broken part back together in order to pick up the angle difference...
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    The Machine Work Thread

    I sent you a PM about your part.
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    Bore bit

    you'll never make a decent hole with a carbide burr. A few thousandths is nothing with a hone. I re-read your post. If you just want a bearing shaped object just buy a standard carbide burr or a stone and go to town. It will work in your drill.
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    Polyurea on a new slab

    In front of the mill and lathe is where my floor is discoloring, looks stained from oils. From a durability standpoint I'm fairly pleased with the product. But I would probably have been more proactive in terms of mats in high traffic areas. The chips will dull the surface if you walk on them...
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    Polyurea on a new slab

    I have problems with my polyurea discoloring around the machine tools and benches. Anywhere with a lot of oils. It's a working area and isn't offensive. But I would recommend putting down plenty of mats if possible. The gloss has definitely faded after about 1.5 years of heavy use. I...
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    Quincy Compressor Quality Control (or Lack Thereof)

    It's unlikely that a weld-on bung would be made on free-machining steel on a pressure vessel. I also wouldn't recommend a pipe thread helicoil on a brand new pressure vessel. Pressure vessel should be replaced in this instance. If I messed up the NPT thread on my own compressor I would run...
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    thoughts on a simple machine job

    It's hard to tell from the pictures. How thick is the disk? It looks about 15'' x 2'' thickness in the picture with about 1.5'' dished from one side then holes cut in it? That's about a $200 chunk of metal with about 2-3 hours of machine work in it at ~$100/hr. It would be a lot cheaper if...
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    Which Norseman bits (from HJE because I missed the deal)l

    Get the cheaper bits for general purpose applications.
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    Gantry crane build-planning phase

    More detail would be helpful. Thickness of plates/joint design/weld settings/etc. But to answer your question as long as you take care in the previous mentioned variables I don't see a problem. How much weight are you picking up?
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    TIG newbie

    Also you can use the kit that comes with your welder. No reason to upgrade all the components right out of the gate if you're on a budget. A standard 17 torch and collet body that usually comes with TIG welders will get you started.
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    TIG newbie

    3/32nd or 1/16th lanthanated tungsten depending on thickness of material. ER70S2 1/16th is fine to get started. I prefer .045'' or thinner most of the time but 1/16th is easier to work with when starting out. edit: Didn't see the 1/8th plate comment. 3/32nd tungsten and 1/16th or 3/32nd wire...
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    School me on Bridgeport mills.

    Build a skid out of 2x4's and 4x4's sized for the mill and a pallet jack. Have your employer place the mill on the skid with a fork lift. Now you can move the machine around easily and safely with a pallet jack. Rent a drop deck trailer from sunbelt (the type they use to move scissor lifts)...
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    School me on Bridgeport mills.

    Go ahead and get the mill and put a VFD on it. A teco 510 would be appropriate. It'll be fine if the price is right. It doesn't need to be super tight to make nice parts. They're simple machines and easy to repair.
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    Shaft with internal hex on one end

    Impact sockets weld and machine very well. Your plan will be fine if you've got the correct equipment.
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    Milling machine...thoughts?

    I'd personally wait for a bridgeport to pop up. It's not much larger or more expensive and it will be a significantly better machine. The good thing about that machine is that when/if you decide to upgrade the R8 tooling will still be useful or at least saleable. It does look like a nice...
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    Quincy QT-54!

    Probably would have taken the pump and the motor off and moved those separately to avoid riding on a platform with such a top heavy load. Those clamps holding the platform to the lift legs also seem a little dicey. Glad it worked out well but someone could have easily lost their footing, etc...
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    Will This Side Shelf Readily Adapt to a Parts Cleaner?

    It wouldn't be a problem to tig weld it onto the side. I would try to avoid poking holes into the tank unless you can figure out some kind of sealing washers for the bolts. I wouldn't put holes in the tank if I could avoid it. Especially if they land anywhere near the liquid level line.
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    Show us your welding projects

    It gets the job done :). Thank you.
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    Help with Pyrex cups for TIG

    Get the Edge Pyrex cup kit from Edge welding supply. https://edgeweldingsupply.com/edge-1718-series/ This would be the page to get cups for your 17 series torch. I've used a bunch of different pyrex cups kits and this is the one we've settled on for welding at work where we do a ton of TIG...
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