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Type: Posts; User: dgfoster

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  1. Replies
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    If you decide to have a replacement part cast, a...

    If you decide to have a replacement part cast, a glued-up broken part can serve as the beginning of a pattern. However, this broken part, like almost all, was machined after casting and therefore...
  2. Autobody shops bake cars at 120-140F in many...

    Autobody shops bake cars at 120-140F in many cases after painting. It MIGHT be possible to get them to cook your table top at 150 for a few hours. A six-pack might help. ;-) I hear that baking is...
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    Best of luck whatever method you use I hope it...

    Best of luck whatever method you use I hope it works out well, Russ. And I figure it will.

    Denis
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    Right! That ounce or less of alcohol seeping out...

    Right! That ounce or less of alcohol seeping out under the dielectric fluid cover will probably engulf the machine not to mention the operator and potentially the shop in a virtual conflagration!
    ...
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    I think the EDM debris would be flushed out very...

    I think the EDM debris would be flushed out very easily with a 30cc syringe and a 16ga needle. Hold it hole side down, needle up. Flush, swirl, flush, ...

    Not likely to bugger it up with EDM as...
  6. Perdue University has a nice monograph on PPB. ...

    Perdue University has a nice monograph on PPB. I’d trust them to get it right. Here is the key sentence:

    “Wooden items can be cooled to 0°F for several weeks or heated to 150°F for 4 hours to...
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    Russ, Know anybody with an EDM? Seems like that...

    Russ, Know anybody with an EDM? Seems like that may be an option to consider. You probably already have.

    Denis
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    I just used a can of Rustoleum in a medium blue...

    I just used a can of Rustoleum in a medium blue similar to DyeKem. If I’m worried about my body heat radiating into the SE, I just wrap some aluminum foil over the bow and verticals. Not sure how...
  9. Galvanic corrosion is something to carefully...

    Galvanic corrosion is something to carefully consider. For instance, aluminum with galvanized fittings is an excellent combination. Aluminum with pretty SS fittings is a battery generating .9V 24/7...
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    My apologies for the funky formatting. I just...

    My apologies for the funky formatting. I just about ran out of patience with the image insertion and editing software currently in use for this site. I think all the pages are here if only barley...
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    324977 324978324979 324981

    324977
    324978324979


    324981
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    This is an old thread, obviously. I am posting...

    This is an old thread, obviously. I am posting here a link to the excellent George H Thomas pyramid slip roll paper. The various links to the paper have, in many cases, been broken. But here is one...
  13. Once you install a VFD you will never want to go...

    Once you install a VFD you will never want to go back to simple but inflexible 3-phase produced by a RPC---home made or otherwise. I have a RPC on my1943 motor/generator EE and for that machine it...
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    I have an electric kiln similar to yours and a...

    I have an electric kiln similar to yours and a little larger.

    I use mine mainly for stress relieving cast iron casting that I pour. But I have also used it to heat treat O1 and A2 tool steel...
  15. Mark, My hat is off for you even considering...

    Mark,

    My hat is off for you even considering investing the time to do this. But, there will be considerable value in seeing the results you obtain. We all have heard the admonitions recorded in...
  16. Two things: You missed a key part of my post: “to...

    Two things: You missed a key part of my post: “to show how they are "realigning" your back.” There are sometimes when x-rays are indicated. But for garden-variety low back pin of recent onset and...
  17. I have been working on FUNCTIONAL tram vs...

    I have been working on FUNCTIONAL tram vs Indicated perfect tram when I face mill castings that I sell. I have learned that perfect indicated tram will not result in a functional ideal tram where...
  18. Relevant to the correct comments by Stevef above,...

    Relevant to the correct comments by Stevef above, the bones of the back strongly interlock like pieces of a jigsaw puzzle. A quick look at any skeleton or skeleton casting will show this. THe facet...
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    Agree. If you must fix it rather than get a...

    Agree.

    If you must fix it rather than get a replacement, I'd use an o-ring mechanically compressed between an exterior flat, say 2" diameter, cap made of 3/16" material with a 6 or 8 hole bolt...
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    That is generally true if the bob is (plumb:))...

    That is generally true if the bob is (plumb:)) full of mercury. But if the bob is partially full as was indicated by a "take-down" of a bob on Youtube but not, evidently, as indicated by the patent....
  21. Mark, I have for a long time been curious how...

    Mark,

    I have for a long time been curious how much a granite plate moves around and for how long it moves around after an alcohol wipe down like the one you describe above. Have you made any...
  22. Awesome combination of technical expertise...

    Awesome combination of technical expertise executed well. That alone is something most of us would love to be able to do as any where near as well as you did. Beyond that, you did a major amount of...
  23. How about citing a few of the more convincing...

    How about citing a few of the more convincing ones.

    Denis
  24. Based on ??? Denis

    Based on ???

    Denis
  25. Here is the short summary: Most low back pain...

    Here is the short summary:

    Most low back pain resolves in a few days. So, even if it quite painful, give it a few days. Moving around as tolerated helps. Strict bed rest is not as good as some...
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