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Type: Posts; User: jim rozen

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  1. Replies
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    [QUOTE=rbahr;3427308]He was a member here many...

    [QUOTE=rbahr;3427308]He was a member here many years ago ...

    Nope, that was Fitch. Thermite seems to have had cosmic ray damage to his memory cells.....
  2. Most often when fitting a VFD to a machine one...

    Most often when fitting a VFD to a machine one eliminates all the original control wiring, with the motor power going *direct* to the VFD
    and all control functions done through the low voltage logic...
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    Who's this Fitz guy?

    Who's this Fitz guy?
  4. Excuse me, it's "anti-idiot" bigot. Because...

    Excuse me, it's "anti-idiot" bigot.

    Because the original poster here notwithstanding, the thread seems to be chock full of 'em.
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    Nope. That's a toolmakers compound from a...

    Nope. That's a toolmakers compound from a vintage hardinge cataract machine. Oddly these have been known to
    be fabricated out of radioactive plutonium triarsinate and probably should be disposed...
  6. Thread: Carla

    by jim rozen
    Replies
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    2,371

    Carla was I believe briefly the moderator for the...

    Carla was I believe briefly the moderator for the south bend forum. As an aside the letters/numbers are an amateur radio
    call sign, the (sk) signifies 'silent key.'

    Lose one of us, it hurts...
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    Grinding a HSS tool blank into a useable lathe...

    Grinding a HSS tool blank into a useable lathe tool is pretty straightforward. It only takes three steps to do it,
    or two if you are making a brass tool:
    ...
  8. 9100: 'what can we do about....' Answer is : ...

    9100: 'what can we do about....'

    Answer is : "everything they do here and in places like California will become national law if not vigorously opposed.....
    OBAMA IS GOING TO TAKE OUR GUNS AND...
  9. 1) yes. 2) It's a jam nut. 3} Large torque...

    1) yes.

    2) It's a jam nut.

    3} Large torque can loosen it.

    4) The assembly will be taller than it needs to be.

    3) If the tapped hole is shallow in the aluminum you risk stripping
    the...
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    You have a VFD to control the speed of the...

    You have a VFD to control the speed of the spindle motor.

    Set the varispeed sheaves at midpoint and leave them there.

    Wire the VFD directly to the motor, in the high range.
  11. Yeah, seatbelts too. My cousin knew this guy...

    Yeah, seatbelts too. My cousin knew this guy who had an uncle who was thrown clear of the crash and lived.

    So, no seatbelts either.
  12. [QUOTE=9100;3421362]Maybe so, but a B25 is a gnat...

    [QUOTE=9100;3421362]Maybe so, but a B25 is a gnat compared to an airliner. It stuck in the side of the building and did not penetrate very far. The airliners blew clear through.

    Except for one...
  13. The hardinge contactors for their dahlander...

    The hardinge contactors for their dahlander motors seem to work just fine switching the hi/low
    stick to start, stop, or go right from one speed to the other. Granted these are at most 3/4 hp...
  14. +1 on that. If not a bit more. As far as...

    +1 on that. If not a bit more.

    As far as losing hp by using an appropriately rated VFD, not happening. If the motor is
    3 hp and the drive is single phase 240 volt fed rated at 3 hp, you had...
  15. Yes providing 1) the people are those that run...

    Yes providing

    1) the people are those that run russia and
    2) the govenment voted in is trump.
  16. Ah, that all the perpetrators were Saudis? ...

    Ah, that all the perpetrators were Saudis?

    Ooops, sorry, I am wrong again.

    Please carry on....
  17. Yes, I did cheat a bit. That is a 10L (heavy...

    Yes, I did cheat a bit. That is a 10L (heavy ten) in the photos. I reamed up the link a bit on that and made the stud on the
    headstock to mimic the carriage clamp bolt on that machine, as it was...
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    Wasn't the plane drivers - it was the dead...

    Wasn't the plane drivers - it was the dead passengers what did that.

    And the boeing execs who had a moment of klong.
  19. But it's SO much better to claim that anyone (and...

    But it's SO much better to claim that anyone (and a politician no less, a DEMOCRAT politician) who wants to place inhibitions
    between gun sellers and gun buyers is actually a GUN HATING LIBTARD who...
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    Make this thread interesting: oldest lathe- but...

    Make this thread interesting: oldest lathe- but still in daily use!
  21. You are missing the woodruff key, not much else. ...

    You are missing the woodruff key, not much else. The gear that replaces the standard short gear has
    an ID bore with a keyway to pick up on that.

    The pin you have is often missing in high...
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    Jeweler's saw works for me.

    Jeweler's saw works for me.
  23. This is a through-hole device, not surface mount....

    This is a through-hole device, not surface mount. I have undone these in the past using
    nothing more than fine soder-wick braid, a microscope, and a basic soldering iron.

    Removing the solder...
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    The real kicker for me was the system was...

    The real kicker for me was the system was engineered such that one could fight the downforce long enough that when the
    electric trim was finally turned off, the forces on the stabilizer were too...
  25. Apologies, I left out the Phase Perfect (tm)...

    Apologies, I left out the Phase Perfect (tm) option as I suspected the expense for this
    type of converter would probably rule it out for you. So yes there is an option

    4) phase perfect unit
    ...
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