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Type: Posts; User: sfriedberg

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  1. Denis, the four images you linked from...

    Denis, the four images you linked from thehomefoundry.org aren't showing up. When I cut the link URL and try opening it directly, I get a "You must be logged in to do that." error from The Home...
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    Forrest, judging from the customer reviews at...

    Forrest, judging from the customer reviews at that Amazon link, Speedball has dropped the ball on that particular item. Looks like new ones are not nearly to the same standard as your older ones.
  3. I tried going to that Hunters Technology website,...

    I tried going to that Hunters Technology website, but it loaded 160MB of crap before it showed a single image, and then would not respond to "show me next image. I can see the damned thumbnail, show...
  4. Not for an AC motor, and not for DC motors...

    Not for an AC motor, and not for DC motors without permanent magnets.

    If the 220V test won't work out, try taking the motor in to a local motor repair/rebuild shop and ask them to take a look.
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    This...

    This is the Speedball brayer that I was so disgusted with. Wooden core with holes drilled way off-center and not in the same plane. Probably I just got a bad specimen, but it's disturbing that...
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    Can you give us a closeup of the working ends of...

    Can you give us a closeup of the working ends of the spindles? In that blurry phonecam image, it seems like one of them ends in either teeth or a crown gear. Is that accurate? Can we see it?

    At...
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    I only have one data point. My Mitsui 6x18...

    I only have one data point. My Mitsui 6x18 (MSG-205MH) is a nice machine, despite years in the previous owner's shop mostly cutting off mold ejector pins. An instance in like-new condition would be...
  8. I'm not familiar with NozzleKleen #2. Were you...

    I'm not familiar with NozzleKleen #2. Were you using it to clean the ways prior to epoxy (degreaser), or to prevent epoxy squeezeout from sticking to the ways (release/no-stick)?
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    Toward the end of the video, there was a pretty...

    Toward the end of the video, there was a pretty good section where you could see the cutterhead and workhead rotation together with a couple of tooth indexes.
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    One of the clearest videos on bevel gear...

    One of the clearest videos on bevel gear generation that I've seen. Thank you, JHOLLAND1!
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    Much better.

    Much better.
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    LOL! I don't know yet. That's one of the ones I...

    LOL! I don't know yet. That's one of the ones I have on order.
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    I like using a hard brayer, but the last...

    I like using a hard brayer, but the last Speedball I bought was atrocious. The axle pins were both way eccentric (1/8") and not in the same plane, so as you rolled the thing the handle went through...
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    LPS-1 is an alternative to Starret M1. LPS-3...

    LPS-1 is an alternative to Starret M1.

    LPS-3 leaves a sturdy waxy coating. Not hard to clean off (like cosmoline) and easier to apply than anhydrous lanolin.
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    In my opinion, the condition of the workhead will...

    In my opinion, the condition of the workhead will matter much more than any over-the-decades model changes. The one I think of as standard has NMTB50 on one face and MT5 on the other. If it doesn't...
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    If those aren't what you are looking for, I can...

    If those aren't what you are looking for, I can probably dig up some links to screwdriver-styled preset torque wrenches.
  17. The operator's manual for the Cincinnati #2 tool...

    The operator's manual for the Cincinnati #2 tool and cutter grinder is widely available on the web (and also physical copies). Almost all of it (and it's lengthy) will apply directly to operating...
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    I've written this a couple of times in the forum...

    I've written this a couple of times in the forum before, but since it's directly applicable to OP's question, I'll do it again.

    My first grinder was a Cincinnati #2 tool and cutter grinder. I...
  19. Thread: UNS threads

    by sfriedberg
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    Unless your customer's prints say otherwise, I...

    Unless your customer's prints say otherwise, I would use tooling for the UN thread profile sized for 11TPI or 14TPI. The only thing special is that the size/pitch combination isn't standard. Thread...
  20. Pre-VFDs, the solution would have been a simple...

    Pre-VFDs, the solution would have been a simple gearbox. If the VFD solution is working for you (i.e., not running into torque limitations), that's almost certainly the cheapest current solution.
    ...
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    Yeah, you will not find it in any standard. ...

    Yeah, you will not find it in any standard. That's sort of the point. It's a bastard thread that kinda/sorta fits, but it's probably out of spec (or at best right on the limit) for all standards.
  22. LOL. The only insert fatter than a W trigon...

    LOL. The only insert fatter than a W trigon would be an R round. No wonder you are having access problems.

    1) Try a narrow diamond like a V insert. You can get holders that will put the...
  23. Look, you are not going to get satisfactory 40TPI...

    Look, you are not going to get satisfactory 40TPI threads from a 12TPI insert! The root radius of the 12TPI insert is practically 100% the size of the full 40TPI space. Imagine you had a perfectly...
  24. When I was equipping my shop, I had machines sent...

    When I was equipping my shop, I had machines sent LTL to Wilhelm Trucking and Rigging in Portland. Wilhelm then brought the machines out to my shop and put them in place. I was very happy with...
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    Air quench is much slower than either oil or...

    Air quench is much slower than either oil or water. Air hardening steels tend to very low distortion and comprehensively through hardening. It's very convenient to leave the tools enclosed in a...
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