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  1. Replies
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    Update FYI -- Managed to free up 1 holder, after...

    Update FYI -- Managed to free up 1 holder, after overnight oil soak and a few smacks on the back end of the end mill with the aluminum rod and a 3-lb hammer. The other one (with the stop-screw plug...
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    I saw what might have been an L-00 drive plate....

    I saw what might have been an L-00 drive plate. You mentioned (2) L-00 faceplates, any additional info or pics? And would you ship them?
  3. Well, clearly you started from the wrong end.

    Well, clearly you started from the wrong end.
  4. As has been said recently: "What's the matter...

    As has been said recently: "What's the matter with Kansas?"

    As my distantly-related eBay fantasy, seen just this morning, and completely OT:

    1969 Datsun Roadster | eBay

    Having owned a...
  5. As Milland notes, lots more info required. The...

    As Milland notes, lots more info required. The component performance spec has to accurately drive the piece-part specs, with some optical engineering deeply involved, assuming the finish values...
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    668

    Thanks, y'all -- don't have an ultrasonic cleaner...

    Thanks, y'all -- don't have an ultrasonic cleaner in my shop, so that's out, unfortunately. Might be the real deal. I'm trying some of that PB Blaster crap, let it sit overnight and see what happens....
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    668

    Freeing up stuck collet chucks

    I acquired a Tree Journeyman 325 a few years ago, which had a couple of dozen CAT-40 toolholders with it. The machine (and toolholders) had been idle for a few years, and the machine had been used...
  8. Very hard to tell for sure, but the table saw has...

    Very hard to tell for sure, but the table saw has a strong resemblance to an Oliver saw, based on the perceived color and the boxy construction.
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    603

    I agree with both Erich and Mechanola; you could...

    I agree with both Erich and Mechanola; you could more easily have a coil spring (a coil-wound torsion spring) do the job, OR find some flat spring design formulae, say in Machinery's Handbook or in a...
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    just acquired Harig 612 automatic

    We just bought a few items at auction, including a Harig 612 Automatic surface grinder. I will need to move this and other equipment from SF Bay area to southern AZ, and want to get any...
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    Gear standards - JIS B 1702

    I am looking for specific tolerance info that is apparently shown in the JIS B 1702 standard for gear manufacturing. I am hoping for some specific numbers that are apparently resident in this...
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    Sure, I think it's a great idea. We should be...

    Sure, I think it's a great idea. We should be careful about allowing self-written obits, though, in case someone decides to make themselves an instant legend, without any effective criticism that can...
  13. Just a note "in case": I set up a steady rest...

    Just a note "in case":
    I set up a steady rest for my 12" Clausing lathe a couple of years back (converted a 6900 model to a 5900 bed interface), and put ball-bearing support fingers on it. I...
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    I have also had difficulty getting results,...

    I have also had difficulty getting results, mostly from multi-word queries. It would be useful to have some sort of function to refine searches by exact word order, contains all words, etc. I thought...
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    Hmm. Guess I better look at my new one a little...

    Hmm. Guess I better look at my new one a little more closely. Bought the 30th edition sometime around the end of the past year; last one I bought was 23rd edition, about 30 years ago, it seems. My...
  16. McMaster-Carr's online info is fairly extensive...

    McMaster-Carr's online info is fairly extensive with respect to raw materials tolerances. That is usually my first quick stop for a material tolerance idea. That said, the tolerances ARE McMaster's...
  17. I agree with Jim Rozen's analysis. I have never...

    I agree with Jim Rozen's analysis. I have never had this happen with my Starrett calipers (.100"/rev) but it's more common with some older Mitutoyo calipers I have (.200"/rev). When that occurs, it's...
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    100% troll work.

    100% troll work.
  19. I have always used HPLC grade methanol as first...

    I have always used HPLC grade methanol as first choice for cleaning optics in my professional settings. Similar purity acetone is handy as well. For casual work at home, 91% IPA can be made to work...
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    Thanks for the feedback. I had hands on an...

    Thanks for the feedback. I had hands on an Okamoto in the very late 90's, after my (then) company set up a new shop, and bought some additional machines. It was something like 8x18 or 8x20, I seem to...
  21. This machine is somewhat less. Just your basic...

    This machine is somewhat less. Just your basic 20-yr old 2-axis turning machine, with incremental jog motion resolution to .00001 increments. The specs I pulled off of some Google info DO include "a...
  22. diamond turning machine - used/auction value?

    I am considering purchasing a used diamond turning machine at an auction. It's a Precitech 8" machine, about 20 yrs old,and I just wondered if anyone has any recent experience with the nominal value...
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    okamoto Linear-618B GrindX machine

    I am considering the item listed in the title, it is coming up for local auction soon. Any opinions on this Okamoto grinder vs. a Harig ball-way 618 machine? The Okamoto X-feed feels amazingly smooth...
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    Diamond saw blade (for glass) suppliers

    Anyone have experience and recommendations for high quality continuous-rim diamond circular saw blade suppliers? My application is for mounting on a Strasbaugh saw-grinder machine with 1.250" arbor,...
  25. Air dryer -- cycling vs. non-cycling, other?

    I am in the market for an air dryer, and would like to find out what opinions there are regarding:

    1. Cycling vs. non-cycling air dryers, what pros and cons anyone has seen.

    2. Whether there is...
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