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  1. Replies
    11
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    380

    The voltage will be in the thousands, but it will...

    The voltage will be in the thousands, but it will not appear with only one wire. There needs to be a ground. You clearly have no idea of what you are doing, so find someone who does and stop playing...
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    10
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    886

    A friend who worked in the grinding department at...

    A friend who worked in the grinding department at Sunnen described making plates, I think for internal use by the inspection dept. He blued one and rubbed them together, then scraped the blue points,...
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    1,817

    To clean the slots use a hacksaw blade with the...

    To clean the slots use a hacksaw blade with the teeth pointing toward you so they cut on the pull stroke. Cut the end of the blade off and you may need to grind the teeth thinner to fit your...
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    567

    That isn't the rule for motors. Bill

    That isn't the rule for motors.

    Bill
  5. Urethane is available as a two part liquid you...

    Urethane is available as a two part liquid you can cast. I made the Indian emblem on the seat for the bike in my avatar by making a cast in alginate dental impression material on an unused seat,...
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    10
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    886

    Jerry speaks in sooth. The technique has been...

    Jerry speaks in sooth. The technique has been developed to the extent that optical people can hand grind glass mirrors and lenses correct to a few light waves.

    An English teacher, who...
  7. Replies
    17
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    767

    Very true. I did some tests on springs that were...

    Very true. I did some tests on springs that were both compressed and extended in service. Before stress relieving, they would not return to center after being extended or compressed. The explanation...
  8. Replies
    13
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    567

    The torque stays about the same over the range so...

    The torque stays about the same over the range so there is no problem with belts.

    Square law applies to things like heaters where when you halve the voltage you also halve the current. It doesn't...
  9. Replies
    18
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    1,106

    Interesting. The cold saw motor is the typical...

    Interesting. The cold saw motor is the typical Dahlander that has the same torque at both speeds. As you certainly know, more than I do, such a motor does not simulate a gearbox. I got my Sheldon...
  10. Replies
    18
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    1,106

    I have had the VFD on a two speed motor come up...

    I have had the VFD on a two speed motor come up several times recently. The latest is a cold saw so old that no one at the factory remembers it and they have no information on it. It turns out that...
  11. Replies
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    1,817

    Although you do not specifically so state, I...

    Although you do not specifically so state, I presume that the controls are run on DC. The relay probably has a resistor on the coil that is switched in when the relay closes. The reason is that it...
  12. I have what looks like the exact same press. As...

    I have what looks like the exact same press. As to weight, I move mine every so often by sliding the forks of my 2.000 pound NAMCO forklift under the top crosspieces. If there is a rigger with a...
  13. Replies
    42
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    4,882

    Time was that when a female voice answered you...

    Time was that when a female voice answered you could you could ask for her boss and be connected without a problem, but not now. You probably are talking to the boss. One time I called the gas...
  14. Replies
    42
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    4,882

    My favorite story in this vein involves a girl,...

    My favorite story in this vein involves a girl, Karen by name, who worked for one of the top tier electronics companies. She was the service secretary/mother hen for the service techs in the St....
  15. Replies
    84
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    4,259

    I have drills up to 3", but they are a foot long...

    I have drills up to 3", but they are a foot long and have 4 Morse taper shanks. A lot of my work is retrofitting machines with VFDs and the like. When I need to put a hole in a box that is already...
  16. Replies
    20
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    1,027

    I had the Pal version of the Beaver for 40 years....

    I had the Pal version of the Beaver for 40 years. When I went to sell it, I tightened the backlash adjustments and found that there wasn't more than a couple thousandths difference between the middle...
  17. Replies
    12
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    1,162

    The most puzzling thing is that it would be...

    The most puzzling thing is that it would be useless for the typical application for most such tables. They normally have the slides on top of the rotary table so the center of rotation can be moved...
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    1,027

    A machine with that much use will usually have...

    A machine with that much use will usually have more wear in the mid part of the travel than at the ends. A typical place to start is set for .005" on an end, then check at various points along the...
  19. Replies
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    2,208

    And then there is the battery I recently took out...

    And then there is the battery I recently took out of my pickup. I could charge it with a general purpose DC power supply and start fine for several days, then it needed charging again. The alternator...
  20. I have a Derbyshire lathe and visited the company...

    I have a Derbyshire lathe and visited the company in about 1975. It was a family business, Mom & Pop, and I think a son. Very pleasant people. I couldn't give a reliable location after all these...
  21. Thread: Knurling pistons

    by 9100
    Replies
    35
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    1,770

    There is a process called "Kotherizing" that does...

    There is a process called "Kotherizing" that does just that, similar to sandblasting but with shot.

    kotherizing. - Google Search

    This Google patent also shows a hand method.

    Bill
  22. Replies
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    Keep looking until you find an American lathe in...

    Keep looking until you find an American lathe in good condition. I sold one, a 14 1/2" South Bend, a few years ago after using it commercially for 40 years, but treated it right ("If I see you start...
  23. Quite so. The concept is simple once you get your...

    Quite so. The concept is simple once you get your mental ducks lined up, The problem is that most of these guys have grown up regarding transformers as boxes that 'lectric goes in one side and comes...
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    521

    I have a SkyScan digital clock with an LCD...

    I have a SkyScan digital clock with an LCD display. I replaced the two Durscell AAs so long ago that I don't remember it. Never a bit of contact problems. I suspect that you may have a slightly...
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    Several people associated with the program said...

    Several people associated with the program said things like they could make a nuclear device the size of a golf ball. I can't envision one that size. Another statement was that they could make an...
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