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  1. Replies
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    I'd think a small cast iron trivet or furniture...

    I'd think a small cast iron trivet or furniture for pottery firing could be perfect.

    High Load | Bed Bath and Beyond

    2" Thick Square Kiln Post, 2" Tall
  2. Replies
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    9,587

    Just don't disrespect the King (and I'm not...

    Just don't disrespect the King (and I'm not talking Richard Petty).
  3. How old/how used is this saw? What happened to...

    How old/how used is this saw? What happened to the shaft?
  4. Are you suggesting giving the mill a Brazilian? ...

    Are you suggesting giving the mill a Brazilian?

    I like the way you think...
  5. Replies
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    According to this doc:...

    According to this doc: http://www.molybdenum.com/wp-content/uploads/2015/02/Moly-Machining.pdf

    "Bending - When properly heated, molybdenum can be formed into intricate shapes. Moly sheets less...
  6. By the holy name of Earl Scheib, thou shalt paint...

    By the holy name of Earl Scheib, thou shalt paint thy machine!

    A tasteful color - none of this fuchsia or bright orange stuff.

    And don't paint the damn handles!
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    Despite the extra cost and lower yield to...

    Despite the extra cost and lower yield to ultimate strength, Ti is a great choice for marine use due to it's excellent corrosion resistance properties to seawater and chlorides at typical...
  8. You might try disconnecting the remote pendant...

    You might try disconnecting the remote pendant entirely and seeing if that has any effect. It's a total shot in the dark, but if there's a short or other flaw in the pendant or cable it could...
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    I would give him some tool steel and time to...

    I would give him some tool steel and time to mill/grind his own vise. And I'd offer the Schmidt on Ebay and/or here at a reasonable price, on the order of 30-40% new.

    May take a while, but he'd...
  10. Replies
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    Shh! You can't talk about CNC conversion of...

    Shh! You can't talk about CNC conversion of manual machines here! Someone will come along and declare you a "home shoppe machinist" and banish you...

    /S

    Yeah, me too. I have a giant Monarch...
  11. Replies
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    Nyet! As a mechanical designer (faux-engineer) I...

    Nyet! As a mechanical designer (faux-engineer) I like thought experiments, and finding out that it's been done before confirms I'm on the right path - much more gratifying than checking out what...
  12. Replies
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    Just to stir the pot a bit (people are being...

    Just to stir the pot a bit (people are being unreasonably civil), some thoughts on helping with sync of machine (hob) spindle to gear blank spindle:

    1) Add mass to the hob spindle. A removable...
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    Option A may improved tooth surface finish, but...

    Option A may improved tooth surface finish, but doesn't really give you a rough and finish pass.

    I really think "option C" is just not workable - as well as having the expense of a second hob, you...
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    Machine shop just had worst crash I have ever...

    Machine shop just had worst crash I have ever seen, Need help diagnosing
  15. And was the pictured model updated to show the...

    And was the pictured model updated to show the change to 25mm linear rails? Just guessing from the scaling, but those look closer to 15mm than 25mm, otherwise this thing is bigger/heavier than I...
  16. I'd say there's another thread called "SwissMak"...

    I'd say there's another thread called "SwissMak" that you should read a few times...

    SwissMak Anyone Know What Happened

    I'd also say that the base that incorporates your "Y" travel has a...
  17. Replies
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    If you're using a spirally ground hob (like those...

    If you're using a spirally ground hob (like those shown in the videos), just transition in Z by some multiple of the tooth pitch to get to a fresh section of the hob. Adjust Y slightly deeper for...
  18. Replies
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    Yeah, the "Swiss" process that video shows it...

    Yeah, the "Swiss" process that video shows it pretty sweet. But you have to be aware of critical speed too, which varies with material stiffness and RPM. At some point the L/D can allow the...
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    One turret - shallow "V" shaped follower pad made...

    One turret - shallow "V" shaped follower pad made from slippy, robust plastic. Other turret - turning tool.

    Turning turret starts cut from whichever end of stock. After ~1" of turned surface,...
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    Hi MG, thanks for the clarification on the...

    Hi MG, thanks for the clarification on the epicycloidal errors of harmonic drives. I was aware of them for "Cyclo-type" reducers, didn't think harmonic drives would have them to any significant...
  21. Thread: Old vice grips

    by Milland
    Replies
    29
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    2,396

    They're making them one at a time, the proper old...

    They're making them one at a time, the proper old fashioned way! Haste makes waste, and all that...
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    Will a 5C collet have adequate concentricity and...

    Will a 5C collet have adequate concentricity and angular (nutation) accuracy for your uses? Might want a fixturing method that allows you to dial-in TIR and straightness.

    On driving the rotary -...
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    I LOVE threads like this. So much interesting...

    I LOVE threads like this. So much interesting information comes out of them, especially when really experienced people like MG chime in. Thanks, all, following this with great interest.

    drcoelho,...
  24. Reggie, I hate to do this (heh, heh), but it's...

    Reggie, I hate to do this (heh, heh), but it's "your doctor".

    We OF's (old farts) have to hew to a higher standard if we're going to smack down the pups...
  25. This old man has decided to put this young fool...

    This old man has decided to put this young fool on ignore. I suspect most here would benefit from doing the same.
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