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  1. Replies
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    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...
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    1,055

    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...
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    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.
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    1,840

    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...
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    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.
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    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...
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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...
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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....
  9. 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...
  10. Thread: Threads Skewed

    by EPAIII
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    1,103

    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
  11. 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. ...
  12. 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...
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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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    That is a great idea. Thanks for posting it. ...

    That is a great idea. Thanks for posting it.

    I have long believed in having dedicated tools at each major machine in my shop. Wrenches, chuck keys (of course), edge finders, soft hammers,...
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    Three times and always bad? Your second time...

    Three times and always bad? Your second time seems to have been bullet proof. I am suspecting the collet or collet chuck OR the spindle you are putting them on.

    This seems like one where you have...
  17. The use of the word "darts" left me wondering....

    The use of the word "darts" left me wondering. Somehow I did know what you were talking about or at least I strongly suspected. But I tried to look up that meaning of the word and ran into a real...
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    Yes, I believe those flats on the silver part of...

    Yes, I believe those flats on the silver part of the handle definitely say it is a threaded attachment. I have seen handles like that before: they are quite common.

    As for damaging your nails, I...
  19. It is a sad day to see this. Good luck with the...

    It is a sad day to see this. Good luck with the auction. I only wish I had some $$ to pick up even one item from you . I would give you more than a low ball bid.

    My wife wants me to sell off all...
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    One or more photos may help here. Closeups and...

    One or more photos may help here. Closeups and well focused, please.
  21. First, I would not expect any drill bit set on...

    First, I would not expect any drill bit set on Amazon to be worth the free shipping, much less even a $0.01 price. There is a lot of competition for low priced drill sets and the Chinese have stepped...
  22. They usually come with set screws. When I made my...

    They usually come with set screws. When I made my QC tool holder, I used SHCSs, which are better only in the fact that their heads are not down in a well. This does make them a little less prone to...
  23. Perhaps what you need is a (or several) guide...

    Perhaps what you need is a (or several) guide block to assist the low skill level people. Make it about 1/2 to 2/3 the length of the pins and with a hole a thousandth or two larger in diameter than...
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    Michael, I do see some errors in your post...

    Michael,

    I do see some errors in your post and will attempt to correct them. This 29.5 degree thing is often confusing to many and I have developed a way of doing it that will work on any lathe...
  25. Well, after all, big government "knows" what is...

    Well, after all, big government "knows" what is best for all of us - far better than we do.

    I do have a healthy respect for the virus. But I have a real FEAR of too much government.

    I hope I...
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