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Type: Posts; User: Dan_the_Chemist

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  1. Replies
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    4,860

    I like an apron when I'm taking something apart. ...

    I like an apron when I'm taking something apart. When I'm putting it back together I don't always bother with an apron because all the parts have been cleaned. Trick an old Dutch machinist...
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    Just wait a while - it will show up. 178100

    Just wait a while - it will show up.
    178100
  3. I would have objected to that if I had been able...

    I would have objected to that if I had been able to read the small letters on this small screen. :codger:

    Marketing idea - "Jitterbug Calipers" with 1" high numbers on the readout, and only...
  4. An amusing review of HF vs Mitutoyo calipers...

    An amusing review of HF vs Mitutoyo calipers. Warning - some NSFW language.
  5. I inherited a used Horrible Fright 9x20 for a few...

    I inherited a used Horrible Fright 9x20 for a few weeks. I didn't put up the tiniest fight when somebody else made a claim on it. It was going to be a challenge to get it to work well.

    The one...
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    6,951

    If you decide you don't want the job because of...

    If you decide you don't want the job because of the low wage, that gives you the room to be bold. DO the interview, show your best stuff, and then ask what the salary and bennies will be AFTER...
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    I used to keep hives - up to 22 at one point. I...

    I used to keep hives - up to 22 at one point. I had cut back to 4 hives because of my own increasing age, weight of a full super, etc. I lost all four in a week or two. I had never seen anything...
  8. Did it smell bad - a rotten egg sort of odor? If...

    Did it smell bad - a rotten egg sort of odor? If so, it might have been Liver of Sulfur, which is a solution of potassium sulfide(s) in water. Makes a lovely dark brown/black color very quickly,...
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    All materials have some (possibly very small)...

    All materials have some (possibly very small) vapor pressure at any given temperature. This is why water can evaporate even when the temperature is only 90 F. This is the curve for molten...
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    Casting wax... I chilled it, sort of like...

    Casting wax... I chilled it, sort of like Loner, but not with LN2. Just from the fridge to the lathe and occasional trips back to the fridge. The turning came out lovely.

    However, one...
  11. The tarp will protect from rain, but not...

    The tarp will protect from rain, but not condensation.

    Each night the metal will cool down. In the morning the temp of the metal and the air will rise, but the big block of machine will warm...
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    Here is a video of a guy making a large dia...

    Here is a video of a guy making a large dia aluminum lap and using it.

    MAKING AND USING LARGE DIAMETER LAPS - YouTube
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    Sticky: I found the appropriate controls under "Forum...

    I found the appropriate controls under "Forum Actions" > "General Settings" in the gray bar upper middle.

    I guess it changed in 8 years. :)
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    They didn't care about the work. It was a job, ...

    They didn't care about the work. It was a job, not a profession. They cared about doing good enough to beat the competition in a small niche market. It was the most depressing and depressed...
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    It was tough times, and I took a job in a small...

    It was tough times, and I took a job in a small operation that was a "pig farm". In the first week I literally took a shovel and cleaned out the drifts of cigarette butts that were up to 3" deep in...
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    Hi, My name is Dan and I spent a few years as the...

    Hi, My name is Dan and I spent a few years as the OSHA Compliance Officer (for the company, not the feds) :o Please don't hate me.

    Note that OSHA doesn't eliminate the use of air for...
  17. I got a free Central Machinery 9x20 lathe. What resurrection therapy will it need?

    I got a Central Machinery 9x20 lathe model model 45861 for free (sorta). A relative wasn't using it much, he had coated it in some black cosmolene like gunk and stored it under a bench in a very...
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    Be careful with quicker ways... there is a class...

    Be careful with quicker ways... there is a class of solids called "solids of constant width" which have the same diameter no matter which way you measure them... but they are definitely not...
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    You fill thongs ??? I can start work on...

    You fill thongs ???

    I can start work on Monday. Please find resume enclosed.
  20. Replies
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    What are you used to using? Stick with what you...

    What are you used to using? Stick with what you know if you can.

    I would use my boring bar because I have experience with it.

    I do have experience reaming holes, but a 1.5" reamer will set...
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    When you get your new lathe in working condition,...

    When you get your new lathe in working condition, I have a shaft for you to turn and true for me.

    176445
  22. A homeowner had a plugged toilet. Tried...

    A homeowner had a plugged toilet. Tried plungers, snake, and then a lot of Draino. When that didn't work he bought a gallon of sulfuric acid drain cleaner. He got a lot of it down the toilet...
  23. Don't sweat too much about "the best decision". ...

    Don't sweat too much about "the best decision". I've made a few decisions that seemed brilliant at the time, but turned out to be bad. For example - I went to work for a great start up. Great pay,...
  24. OT - Kurt introduces new baby changing vise

    Minneapolis, Minnesota - Kurt Manufacturing Inc has introduced a new line of vises to service the needs of the increasing number of machinists who are availing themselves of job-site corporate...
  25. Variable speed pulley Rockwell 11" lathe - is this too much run out?

    I am repairing a Rockwell 11" lathe that suffered years of neglect in an unheated space. I have disassembled it to access the variable speed pulley - as shown. The central bi-cone has a bushing...
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