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Type: Posts; User: EPAIII

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  1. Replies
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    571

    The last time I tried to cut new threads with a...

    The last time I tried to cut new threads with a die they were so drunk that I stopped after a half inch and trash canned it. You want tricks? Here's two/three ways I would do this:

    1. Buy...
  2. Are they useful on a manual mill? Any tool is...

    Are they useful on a manual mill? Any tool is only as useful as the person using it.

    That being said, would I stock a variety of ball end milling cutters. Probably not. I do have a few end mills...
  3. You make it sound like testing is totally under...

    You make it sound like testing is totally under the control of one person, the president. I don't think any single person, president or any other national leader or even any group of leaders (like...
  4. I have been wondering just how this new virus...

    I have been wondering just how this new virus compared to the ordinary, yearly bouts of the flu we have had with us for generations. Are those really the numbers?
  5. No longer support this model? And we are...

    No longer support this model?

    And we are supposed to continue to buy Fords? Perhaps you, not me.

    I may have to keep my present cars until i die.
  6. Replies
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    558

    No mercy here. Oh well. Some photos may help....

    No mercy here. Oh well.

    Some photos may help. It is always easier to see a problem than to read about it.

    You might also consider posting on another board. I would suggest here:

    General - ...
  7. Replies
    24
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    1,233

    Look out the front window from time to time. We...

    Look out the front window from time to time. We are in the middle of a pandemic and a lot of people are working at home now. That just may be a strain on your ISP's ability to keep up with different...
  8. Replies
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    427

    10-24 is the standard coarse thread and that is...

    10-24 is the standard coarse thread and that is probably why it was called for. In most screw and bolt sizes, the coarse thread version if far more common than the fine thread. But in the #10 size,...
  9. Replies
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    685

    The thread that you have labeled "SAE" seems to...

    The thread that you have labeled "SAE" seems to be a straight thread, NOT TAPERED. Tapered (pipe) threads are used for sealing, not straight threads. From the looks of your fitting, it is probably...
  10. Thread: T5 Lighting

    by EPAIII
    Replies
    23
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    783

    I just have to clarify something here. The...

    I just have to clarify something here.

    The designations like "T5", "T8", and "T12" do NOT specify any particular type of fixture. They only speak to the bulb sizes and shapes. The "T" refers to a...
  11. Replies
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    M2 was my first thought also. That is a...

    M2 was my first thought also. That is a seat-of-the-pants engineering thing, but there will be very little difference in strength between M2 and M1 or any of the others between those sizes.

    An...
  12. Replies
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    1,200

    Class D seems to be the generic name. D for...

    Class D seems to be the generic name. D for digital. Class T seems to be a brand name for class D amps made by Tripath but perhaps being made generic by others who have copied them.

    class D...
  13. Replies
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    1,200

    Don't let the "true" audiophiles hear me saying...

    Don't let the "true" audiophiles hear me saying this, but if you are talking about speaker level audio, almost any modern switch will handle it. Or make a patch panel with 1/4" phone jacks and jumper...
  14. Replies
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    668

    Machinery's Handbook is also a good source for...

    Machinery's Handbook is also a good source for this. They do go into depth on it so fill your largest coffee cup first.
  15. Replies
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    2,025

    The welded, steel table that I got with my SB...

    The welded, steel table that I got with my SB lathe had some kind of strange substance on it. I finally gave up trying to remove it and just painted over. It did bleed through a bit, but that is...
  16. Replies
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    2,025

    Why not the front yard. Put on a pot of coffee,...

    Why not the front yard. Put on a pot of coffee, light up the table top, settle down in a lawn chair, and get to meet the local fire department.

    A few cans of cold brew may be good too.
  17. Replies
    38
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    3,191

    Well, when you stick a piece of steel in a...

    Well, when you stick a piece of steel in a furnace/fire and wait, the FIRST visible color that it will glow is RED. Most blacksmiths stopped heating at that point and commenced hammering. So really...
  18. Replies
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    I will give you a third good use for WD. I like...

    I will give you a third good use for WD. I like to make paste on patterns for sheet metal and some other kinds of layout work. The WD is a good way to remove those labels when they stick too well to...
  19. Replies
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    Don't get me wrong because I have a bunch of...

    Don't get me wrong because I have a bunch of them, but hand magnifiers do have their limits. On the other hand, full blown optical comparators can be quite expensive, even on the used market....
  20. I find it strange that no one has said a single...

    I find it strange that no one has said a single word about what is being positioned here. If we are talking about making something like a diffraction grating, then only a few ounces of tool and...
  21. Thread: Threads Skewed

    by EPAIII
    Replies
    19
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    1,204

    I made this drawing a few days ago for another...

    I made this drawing a few days ago for another thread. It explains it in pictures:

    https://www.practicalmachinist.com/vb/attachment.php?attachmentid=282420&d=1584778469
  22. Replies
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    I would think about walking into that local shop...

    I would think about walking into that local shop as a "customer" who needed a fixture like the one on their web page. And ask some really deep questions about it and how they made it. Might be fun. ...
  23. Yea, I am here trying to learn too. I did have a...

    Yea, I am here trying to learn too. I did have a vague idea of what it was, but wanted a better description or definition. That's why I did a search. And I shared it for others who may not have...
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    I have no information on that lathe, but if you...

    I have no information on that lathe, but if you can not find the OEM solution, I can give a stab at designing one that would work. I would need to know the pitch of the lead screw and the exact...
  25. Replies
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    Yes, those fish tail thread gauges are almost...

    Yes, those fish tail thread gauges are almost indispensable when you are cutting threads. Starrett is not the only brand, they are made by many manufacturers.

    Also Machinery's Handbook is like...
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