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Type: Posts; User: sfriedberg

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  1. macds, is a "visual structural component"...

    macds, is a "visual structural component" something like architectural trim? Fancy modular frame?
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    I'll bet a quarter they are cutters for a...

    I'll bet a quarter they are cutters for a keyseater, but no idea what brand/model.
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    Hey, Digger, don't be such a snob. If memory...

    Hey, Digger, don't be such a snob. If memory serves, I asked a somewhat similar question in General about 10 years ago and about 3/4 of the respondees recommended egg cartons convoluted cardboard. ...
  4. I haven't used them yet, and they may have...

    I haven't used them yet, and they may have changed their business model along with their company name change, but you might give Thermal Modification Technologies (formerly Beaver Heat Treating) a...
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    When you say you "looked at several", where were...

    When you say you "looked at several", where were you looking? Because the obvious reason you didn't find any 1/4" reamers is there were none to find. 0.2405" is not even the standard...
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    I strongly recommend that you do pull the motors...

    I strongly recommend that you do pull the motors apart to clean them out. Trying to purge old hardened grease by pushing it through with a surplus of new grease is seldom as successful as you'd...
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    In addition to the good suggestions already made,...

    In addition to the good suggestions already made, if you can find some long enough, maybe flatware trays or Rubbermaid kitchen drawer organizers. If a tray has a useless (for this purpose) narrow or...
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    Flattened expanded metal will be a lot easier...

    Flattened expanded metal will be a lot easier than non-flattened. Array a diamond shape over a sheet and use the array to punch holes. Obviously creates a whole lot more geometry than applying a...
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    For the main and feed motors, I would keep the...

    For the main and feed motors, I would keep the existing bearings unless you find actual damage. They're not like spindle bearings that would telegraph irregularities into the work. Since there is...
  10. I don't think it's old-vs-new, but rather...

    I don't think it's old-vs-new, but rather thin-vs-thick. That Taft Peirce bag clearly can be clamped onto the side of things, where a more conventional sine bar cannot.
  11. Maybe sponge bath (not just dunk in tank) with...

    Maybe sponge bath (not just dunk in tank) with purple degreaser, rinse with clean water, rinse with 90+% isopropyl alcohol.
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    Looks like probably off-the-shelf modular units...

    Looks like probably off-the-shelf modular units assembled into a dedicated (custom) application.
  13. Oh, I like that. When I decided to sort out my...

    Oh, I like that. When I decided to sort out my couple hundred pounds of horizontal milling cutters, I chose by their IDs several sizes of SDR (non-Schedule) PVC pipe and got some 1/4" and 1/2"...
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    That's astonishing. I never would have imagined...

    That's astonishing. I never would have imagined the effect could be anywhere that large. Really tiny tubes, I presume.
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    As everyone has guessed, odds are good this was a...

    As everyone has guessed, odds are good this was a homework question. If not, I'd wager a nickel he's got a garage bet with another non-weldor about "the best" welding outfit.
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    Yeah, but Oregon has no state sales tax. So his...

    Yeah, but Oregon has no state sales tax. So his scheme would still work if he could find "a guy".
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    Definitely not cutting tools, to my eye at least....

    Definitely not cutting tools, to my eye at least.

    I don't think they are valve grinding tools. If they are, they are incomplete and the part you've got is the driver for a missing actual grind...
  18. Looks like another flavor of feed finger. Has a...

    Looks like another flavor of feed finger. Has a spring grip on bar passed all the way through, not intended to hold the bar during actual machining operations.
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    Well, that's fine, thermite. But I was asking...

    Well, that's fine, thermite. But I was asking about experience with the leveling/stabilizing casters that you explicitly didn't like, not the Chinese wheelbarrow rig that you do. (And that's not a...
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    I have three pieces of equipment 1200-1500 lbs on...

    I have three pieces of equipment 1200-1500 lbs on these (they come in many load ratings), and like the casters very much. I might put my 2500lb tool and cutter grinder on them someday. Would be...
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    This is good, and what you'd expect.

    This is good, and what you'd expect.
  22. That triplex dividing head is much more...

    That triplex dividing head is much more interesting to me than yet-another-bench-vise. The 3x dividing head was used, almost certainly on a horizontal mill with ganged cutters, to index three parts...
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    Yeah, especially as he gave essentially the same...

    Yeah, especially as he gave essentially the same reply, with "mills" replaced by "lathes" in another thread.
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    I would not attempt to fix welded contacts. Even...

    I would not attempt to fix welded contacts. Even if you get it working for a while, the contact surfaces will probably continue to cause you trouble indefinitely.

    You can probably put together an...
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    Back when I had access to a real Engineering...

    Back when I had access to a real Engineering library, I spent some time thumbing through the IBM and Xerox technical disclosure documents. Xerographic copiers of the day (1970's, 1980's) applied a...
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