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Type: Posts; User: JST

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  1. Replies
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    Probably, with decent access, it would not be so...

    Probably, with decent access, it would not be so bad.

    That does look very tight, and the bottom level looks as if you must stand on your head to see it. I do not like such arrangements, they...
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    Those erased tapes? You gotta wonder just WHY...

    Those erased tapes? You gotta wonder just WHY they were erased.... Some would say (probably some right here on the forum) that was done so that you could not accurately tell which part of the SW...
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    2,440

    Used compressors always have bad tanks, IME. ...

    Used compressors always have bad tanks, IME. But I wasn't buying industrial ones.

    Example: Found a nice one at a sale, new-looking ASME tank, paint unmarked, obviously replaced. Tap test...
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    OK.... That goes along with the nasty location...

    OK.... That goes along with the nasty location for the dovertail bars, inside. There probably is a little slack in the screwholes for shimming the last bit, if you chose to.

    I definitely agree...
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    982

    I have seen those "dovetail bars" before, and...

    I have seen those "dovetail bars" before, and they always had "pusher screws" to adjust them.

    If the range is no longer correct and you can't tighten the gib, you may have to mill some off the...
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    538

    They DO exist. BUT... All the DIN rail stuff I...

    They DO exist.

    BUT... All the DIN rail stuff I have worked with has a simple screw clamp, or even a spring clamp, to hold it on the rail, accessible from the top.. Are you saying that your...
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    1,520

    At least this thread wasn't about using them for...

    At least this thread wasn't about using them for a "precision" grinder or mill..........
  8. Thread: Aluminum Shortage?

    by JST
    Replies
    30
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    1,524

    There was, maybe is, a LOT of aluminum, stored in...

    There was, maybe is, a LOT of aluminum, stored in a goofy system .....

    https://www.bloomberg.com/opinion/articles/2014-11-20/the-goldman-sachs-aluminum-conspiracy-was-pretty-silly

    .
  9. Replies
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    OK, I was extrapolating because I have never seen...

    OK, I was extrapolating because I have never seen the "speed up and try hard" overload case.

    Agree with jraef, that should be settable. It's an odd sort of setting, though.

    When I say "hard...
  10. Replies
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    In the serious and capable 3D CAD area, don't...

    In the serious and capable 3D CAD area, don't ignore Alibre. It has been very usable, and has gotten a lot more capable just in the last few months. Full 3D Parametric design, like the rest.
    ...
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    People always say to get a profitable businessman...

    People always say to get a profitable businessman in who knows how to run things. Wrong.

    You need to get someone in from a non-profit corp, maybe, but not a profit-making business manager. ...
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    But the plant evolved that oil to DO just exactly...

    But the plant evolved that oil to DO just exactly what it does. In other words. it GOTCHA. Nothing to do with you except that you might otherwise damage the plant. Now you stay away.

    Clever....
  13. Replies
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    240

    If I understand you, you have a case where there...

    If I understand you, you have a case where there is an overload, but the VD keeps trying to run the motor.

    Yes, that mode exists.... in some VFDs.

    The VFD simply limits current to a safe...
  14. Replies
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    1,722

    Point being that if all the active wires that...

    Point being that if all the active wires that pass through the toroid have net current in them in the same direction through the toroid, then the toroid will have a magnetic field induced into it,...
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    The other problem with slowing down is also due...

    The other problem with slowing down is also due to the variac.

    When you adjust the variac for the speed you want, that is with minimum current (minimum torque, no load).

    When you apply a load...
  16. Replies
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    ALL GFCIs have sensitivity problems. Q0 are...

    ALL GFCIs have sensitivity problems. Q0 are better than Homeline, does not mean they are perfect.

    Issues with machinery and GFCIs are usually due to trying to use a type A consumer GFCI that is...
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    An excellent point. And turning slowly, airflow...

    An excellent point. And turning slowly, airflow does not help much.
  18. Replies
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    1,722

    The probability is that there is a machine or a...

    The probability is that there is a machine or a load of some sort out on those circuits. If it happens, when "off", to have a different capacitance to ground on each line, there is the imbalance. ...
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    1,722

    'Ceptin it is NOT next to it. I figured it was,...

    'Ceptin it is NOT next to it. I figured it was, but look at the slots he states they are in.
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    12,052

    I would not describe an immune system going into...

    I would not describe an immune system going into full-on "attack yourself" mode as being "the best" operating immune system. What you are describing is "the quickest operating and maximum response"...
  21. Replies
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    More to the point, the referenced breaker is a...

    More to the point, the referenced breaker is a class-A (home-type) GFCI.

    If being used with machines, it may not need to be that sensitive even if it is required. There are ones that are designed...
  22. Replies
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    12,052

    I was hoping "idiot" miraculously did not apply...

    I was hoping "idiot" miraculously did not apply to you.

    Looks as if I was wrong.
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    Idiot... If the immune system did not have the...

    Idiot...

    If the immune system did not have the capability to respond to virtually any threat, there would not be a "native American" (so-called) left alive. They would have ALL died. So would...
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    It seems that several things affect this. A...

    It seems that several things affect this.

    A hyper-active immune system is one thing that kills you..... look up "cytokine storm"....

    Of course your immune system can do something, the...
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    The "Homeline" breakers have already been dissed...

    The "Homeline" breakers have already been dissed somewhere back near the start of the thread, and I could not agree more with DK about them being trash.

    And disconnecting the loads on those will...
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