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  1. Thread: Tig welder?

    by starbolin
    Replies
    57
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    23,889

    :icon_bs::icon_bs::icon_bs::icon_bs::icon_bs: ...

    :icon_bs::icon_bs::icon_bs::icon_bs::icon_bs:

    The transformer machines are bomb proof and will still be running when you are gone from this earth. I have a an ancient Union Carbide designed...
  2. Take a threaded, metric, female-female, hex...

    Take a threaded, metric, female-female, hex standoff and epoxy a 6-32 stud in one end.
  3. Replies
    11
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    3,800

    Cook that iron at 350F overnight to get all that...

    Cook that iron at 350F overnight to get all that oil out. Grinding with a stone smears the carbon around. It's better to cut with a burr or a file. Heat to red then brush with a wire brush to...
  4. Replies
    14
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    2,170

    Post an add somewhere on a 'business' board that...

    Post an add somewhere on a 'business' board that you are an investor looking for 'opportunities' in companies that are manufacturing parts for the government. Your email will overflow with proposals...
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    12
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    2,379

    Sorry, my mistake. SI Torque is in Newtons *...

    Sorry, my mistake. SI Torque is in Newtons * Meters and a Newton is Kg * meters per second per second so Torque would be Kg * ( m/s)*(m/s). I'll fix my post. Thank you.

    Many references will use...
  6. Replies
    12
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    2,379

    I don't know where you got that number but I...

    I don't know where you got that number but I think it's wrong.

    1N=1Kg*m/s/s

    and

    1HP = 75 Kg*m/s

    so using your numbers:
  7. Replies
    12
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    2,379

    I can't answer that. For a dry polymer bearing,...

    I can't answer that. For a dry polymer bearing, yes, this would be the dynamic COF. For a lubricated bearing, no, will be less.


    This formula gives an answer in Kg Meters which is a moment not...
  8. Wrong material. Like Tomas says. Grain...

    Wrong material. Like Tomas says. Grain structure too small - too much chromium - too much aluminum ( AK steels ) - not enough carbon - whatever. Ever notice how an old high carbon chisel or hammer...
  9. Replies
    39
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    6,418

    Well met and welcome to the forum. ...

    Well met and welcome to the forum.


    Intelligent question! Yes, you need some kind of positive retainer between UHMW and steel. I've tried pressing UHMW inserts into metal pockets and even with...
  10. Replies
    13
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    4,684

    I think a steady is about the easiest thing to...

    I think a steady is about the easiest thing to fab or adapt for your lathe. I've done both. I which you chose depends on your skill set and whether a donor steady can be had. A steady does not have...
  11. Replies
    3
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    1,385

    The chrome and low carbon make 8620 very...

    The chrome and low carbon make 8620 very forgiving to weld. The only question would be are the shafts failing at the weld? If so then preheat material as it is 2 inches, weld with low hydrogen...
  12. Replies
    11
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    1,920

    I would look to the motor coupling to the drive...

    I would look to the motor coupling to the drive train first. Does it have belts? Are they worn. Are there belt sets? They may have become unmatched. If belts are the belt pulleys tight? Are...
  13. Replies
    56
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    12,082

    I'm not sure why you picked the Austin Seven as...

    I'm not sure why you picked the Austin Seven as the original Seven only made 7 HP! Don't through that baby out yet! To compare engine horsepowers you have to adjust by the RPM at which the power...
  14. And what I call a 'dock' is called a 'terminal'....

    And what I call a 'dock' is called a 'terminal'. I'll try to keep these in mind but I pay a bunch of great guys known as Oak Harbor Freight to know that stuff for me. I don't expect my 'carrier' to...
  15. It generally doesn't pay to try to second guess...

    It generally doesn't pay to try to second guess the logistics guys and their computers especially if it means half loads going any distance at all. However, if you could find a dock in OH then I...
  16. Replies
    7
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    2,100

    I am disinclined to be the internet 'cop' and...

    I am disinclined to be the internet 'cop' and personally I wouldn't care if you bought a whole tank of H3 and released is into the air but your question caused be to search for what a 'tritium vial'...
  17. Replies
    12
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    3,507

    I could just be thick but I'm certainly as...

    I could just be thick but I'm certainly as confused as a dog in a water works. Do you want a flute, a serration or a knurl?

    knurl
    noun
    1.
    a small projecting knob or ridge, esp. in a...
  18. Replies
    13
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    2,712

    Are you using opposing tools or trying to do this...

    Are you using opposing tools or trying to do this with one tool? Are you using lubricant? Are you using a mandrel? The process can be sensitive to material. Do some batches of material draw down...
  19. Put in more electrical service than you think you...

    Put in more electrical service than you think you need and even then it won't be enough.

    I wouldn't put anything in the floor you don't have to. Just drains and water. Too expensive to move...
  20. Replies
    14
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    3,094

    A chucker with a 5C nose would and an automatic...

    A chucker with a 5C nose would and an automatic threader would be efficient at that. I would go with a turret lathe with a automatic die head. You don't want to be single-pointing that many on a...
  21. Replies
    9
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    14,312

    Ever seen a Dry-Ice Bomb? Put dry-ice in a soda...

    Ever seen a Dry-Ice Bomb? Put dry-ice in a soda bottle - screw the lid on tight - let it warm up - bang! Usually water is added to the bottle as a heat source in order to reduce the wait time but...
  22. Replies
    9
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    1,715

    Hand form over a pipe anvil or bump form with a...

    Hand form over a pipe anvil or bump form with a press. The shop you saw these in may have made them themselves. The skills involved are the same as bending the thicker laminates. This is the type of...
  23. Replies
    10
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    1,864

    What worries is that you seem to require a...

    What worries is that you seem to require a concentric feature but don't have the ability to measure it?
  24. Replies
    22
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    6,088

    The tool you are looking for is called a "Shallow...

    The tool you are looking for is called a "Shallow Bore Gage". Made by many gage makers but not in any volume so they are all special order AFAIK.
  25. A hole is good, a slot the length of your part...

    A hole is good, a slot the length of your part stack is better. A slot or hole trough the fixture so the chips fall out the bottom is best.


    I got that from the drawing but still think set...
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