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  1. Work it back and forth (screw off, then screw it...

    Work it back and forth (screw off, then screw it back on - like you were tapping a hole) to help distribute the pent oil. From your description of things, it sounds like there is something inside...
  2. Yeah, dude, try to keep up!

    Yeah, dude, try to keep up!
  3. I had an idea for removing the center stud. For...

    I had an idea for removing the center stud. For the top, machine a round piece, the outside diameter the same as the center stud and with a turned down center small enough to fit in the hole. Do...
  4. I posted that before 8 AM this morning (7:51AM)!...

    I posted that before 8 AM this morning (7:51AM)!

    Also, according to those who know, the center part is a RIGHT-HANDED thread.
  5. This would be an interesting thing to...

    This would be an interesting thing to investigate. The one shown looks to have only been turned for a right-handed thread. If they ARE left-hand threaded, opening it up may be simpler than thought....
  6. Thread: Cleaning

    by SLK001
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    After the initial dry of the enamel, I put the...

    After the initial dry of the enamel, I put the parts that will fit in my oven set at 150º F for about an hour. Bakes them good and hard.
  7. Here are some diagrams that might be of use to...

    Here are some diagrams that might be of use to you:

    https://www.practicalmachinist.com/vb/attachment.php?attachmentid=290725&d=1591358650
    ...
  8. I'm not that familiar with the "C" series of tool...

    I'm not that familiar with the "C" series of tool post, but 5/8" on the handle? Seems a little large. Anyway, thread a rod to fit the socket and set the handle aside. You don't want extra work...
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    Sticky: Oh... the collet assembly can handle a 1-1/16"...

    Oh... the collet assembly can handle a 1-1/16" rod thru the entire assembly.
  10. Replies
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    Sticky: Sorry, didn't mean to be popping anyone's bubble!...

    Sorry, didn't mean to be popping anyone's bubble!

    Part #10 is at the hand wheel end, so collet size is immaterial. No collet will extend beyond part #9.
  11. Also, I don't believe that the 9" lathe has them.

    Also, I don't believe that the 9" lathe has them.
  12. No, the bed of a 9" isn't made of nobendium...

    No, the bed of a 9" isn't made of nobendium (although a little is thrown into the melt, just to make things interesting).

    By "pretzel", I mean that the bed would require a non-linear adjustment...
  13. Sorry, but the tops of the ways are precision...

    Sorry, but the tops of the ways are precision surfaces. Just because they don't get worn down doesn't mean that they aren't precision. If you referenced the actual wearing parts of the ways, there...
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    Sticky: Here's a better drawing: ...

    Here's a better drawing:

    https://www.practicalmachinist.com/vb/attachment.php?attachmentid=290541&d=1591182130
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    Sticky: No. The hole goes all the way thru. ...

    No. The hole goes all the way thru.

    https://www.practicalmachinist.com/vb/attachment.php?attachmentid=290540&d=1591181861
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    Sticky: How are you going to chuck up a three foot length...

    How are you going to chuck up a three foot length of precision ground stock?
  17. The tops of the ways are precision surfaces. ...

    The tops of the ways are precision surfaces. THAT is what you are leveling and WHERE you put your level. It's true that because of wear, the carriage will go in and out of being level as it...
  18. You didn't have to do the Al plate thing, but it...

    You didn't have to do the Al plate thing, but it might just make it a little more stable. SB 9" lathes were leveled with shims under the appropriate foot edge between the cast iron and the wood.

    ...
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    With a flat rake, you are scraping the material...

    With a flat rake, you are scraping the material off. With a positive rake, you are shearing the material off.
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    What exactly did you "hand file"? Did you "hand...

    What exactly did you "hand file"? Did you "hand file" the ridges off the ways?
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    I just read the other thread on removing stuck...

    I just read the other thread on removing stuck chucks. I've used something like that in the past to remove threaded lenses from microscopes, but using wood instead of aluminum. The method that I use...
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    Cut yourself a washer made out of wax paper or...

    Cut yourself a washer made out of wax paper or parchment paper that has an ID that is is OD of your spindle and an OD slightly bigger than the spindle shoulder and put it between any chuck and the...
  23. The tailstock is not used in a two collar test...

    The tailstock is not used in a two collar test used to get the bed planar.

    All this testing assumes that the lathe is properly assembled, meaning that the HS wasn't put together with...
  24. But it does... If the head end of the TB is...

    But it does... If the head end of the TB is smaller, it means that the bed is twisted one way. If the tail end of the TB is smaller, it means that the bed is twisted the other way. Placing shims...
  25. You'd be surprised at how much a cast iron bed...

    You'd be surprised at how much a cast iron bed can flex - even from it's own weight. If you had a precision level, you could see this for your self. Cast iron sag has always been a problem when...
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