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  1. Jancollc,+5! Tom

    Jancollc,+5!

    Tom
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    Love your punctuation.....not! Tom

    Love your punctuation.....not!

    Tom
  3. Nitrogen has been discussed in the past here,...

    Nitrogen has been discussed in the past here, with cautions about undesirable reactions to the nitrogen. Another problem is that unless you have a vacuum furnace, the refractory is saturated with...
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    Most mold shops I am familiar with send their...

    Most mold shops I am familiar with send their molds out for polishing.

    Tom
  5. Send the parts to a reliable heat treater. Tom

    Send the parts to a reliable heat treater.

    Tom
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    You forgot about the smoke from the fires. Tom

    You forgot about the smoke from the fires.

    Tom
  7. Over the weekend I decided to sharpen my statics...

    Over the weekend I decided to sharpen my statics analysis. First I drew the problem in CAD to get all the relevant data. Next I made some assumptions. Beam sections are rigid bodies and do not...
  8. I agree with Hillside Fab, there are times when I...

    I agree with Hillside Fab, there are times when I need to run the lathe backward, primarily threading with a die stock. I handle that easily with a reversing drum switch.

    Tom
  9. Need lengths of beams and cables. Need lengths...

    Need lengths of beams and cables. Need lengths to point of attachment of the vertical struts to the horizontal member.

    Tom
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    If it is a driven well, there should be no...

    If it is a driven well, there should be no problem in that there is or should be well casing down to rock. There should be a tightly sealed cap and a pitless adapter. A dug well is a different...
  11. You have all three phases at the incoming...

    You have all three phases at the incoming terminals to the disconnect and have lost a phase at the outgoing, is this correct? If so, simply check the voltage at each joint from top to bottom.

    Tom
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    That's where automation makes sense. Tom

    That's where automation makes sense.

    Tom
  13. Couple of questions. The white slab. Is that a...

    Couple of questions. The white slab. Is that a solid like a slab of concrete? You will need more information regarding the poles since in the lower ones there is a bending and compressive load and...
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    If you can afford it, that is the way to go. ...

    If you can afford it, that is the way to go. Next thing you know you will need to put the box back on the other machine.

    Tom
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    I don't think any of the parts fit the SB. The...

    I don't think any of the parts fit the SB. The casting with the keyed by is probably from a grinder, maybe a tool and cutter grinder. The other stuff???

    Tom
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    The relevance is that you keep trumpeting how...

    The relevance is that you keep trumpeting how great they devices are when in fact they are not suitable for the applications discussed here.

    Tom
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    Can a mercury contactor safely interrupt a...

    Can a mercury contactor safely interrupt a stalled rotor motor? Can they pass a U/L 508 test?

    Tom
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    840

    The problem with reforming the contacts with a...

    The problem with reforming the contacts with a TIG is that if the contact is silver cad oxide, the silver will segregate from the cadmium oxide. Pure silver on pure silver makes for a WONDERFUL weld...
  19. ???????????????? Tom

    ????????????????

    Tom
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    Too soon old, too late smart. Story of my life....

    Too soon old, too late smart. Story of my life.

    Tom
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    840

    Whatever works. What I railed about was the...

    Whatever works. What I railed about was the sense less filing or sanding contacts because they looked dirty or black. If it takes doing what you did to make it work by all means do it. Sounds like...
  22. A full universal will allow you to do...

    A full universal will allow you to do differential dividing and allow the head to be coupled with a milling machine to do complex milling such as helical gears.

    YouTube

    Tom
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    T5 and T8 are the two leads that are normally...

    T5 and T8 are the two leads that are normally interchanged for reversing.
    Tom
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    How well does the laser work on Porcereax? Tom

    How well does the laser work on Porcereax?

    Tom
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    The US standards are +- 10% of nominal. Not sure...

    The US standards are +- 10% of nominal. Not sure what the German's use. I take it there are no taps on the transformer to adjust. Therefore, the best solution is to use buck/boost transformers to...
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