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Thread: Do you have a self centering vise on your lathe or

  1. #1

    Default Do you have a self centering vise on your lathe or

    Have you used one on your Lathe?
    Iím just curious about the uses I guess.
    I know a machines uses are only limited to
    your imagination a lot of the time.

  2. #2
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    Quote Originally Posted by hammernanvil View Post
    Have you used one on your Lathe?
    I’m just curious about the uses I guess.
    I know a machines uses are only limited to
    your imagination a lot of the time.
    Do you mean a scroll chuck?

  3. #3
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    Feb 2012
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    It you mean a scroll then yes I got lucky when I bought my lathe and the chuck that came with it has very little run out even compared to much much more expensive far better chucks

  4. #4

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    No. I don’t mean a scroll chuck.

  5. #5
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    Uses? On a mill it's handy for when you are doing a production run requiring holes features in the middle of pieces that may or may not be uniform in size.
    Measure twice. Cut once. Weld. Repeat.
    ( Welding solves many problems.)

  6. #6
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    On the mill it might work out well. But I can't think of any reason at all why I'd use it on a lathe.

    Besides, it's the old story about play and centering tolerance. We don't trust scroll chucks to center to a tenth or two so we use four jaw independent chucks or other means along with a dial gauge to center the parts to suit our requirements of the moment. For the same reason I can't see trusting a self centering chuck to be consistent from part to part within a few tenths either. And if I'm going to have to edge find or zero in a bore or other feature I may as well just use the regular fixed and moving jaw vise on my mill.

    So I consider it so specialized that I doubt I'd find all that much of a reason to use one often enough to justify the purchase.

  7. #7
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    Quote Originally Posted by BCRider View Post
    On the mill it might work out well. But I can't think of any reason at all why I'd use it on a lathe.

    Besides, it's the old story about play and centering tolerance. We don't trust scroll chucks to center to a tenth or two so we use four jaw independent chucks or other means along with a dial gauge to center the parts to suit our requirements of the moment. For the same reason I can't see trusting a self centering chuck to be consistent from part to part within a few tenths either. And if I'm going to have to edge find or zero in a bore or other feature I may as well just use the regular fixed and moving jaw vise on my mill.

    So I consider it so specialized that I doubt I'd find all that much of a reason to use one often enough to justify the purchase.
    Still trying to figure out why you would use a vise on a lathe...

  8. #8
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    May 2006
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    East Sussex UK
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    For decades a vice mounted on the cross slide was the only way model engineers could mill items, as either horizontal or vertical mills were a rarity in small workshops.

    Then the Dore Westbury came along as a set of castings to machine your own, and it started a flood of relatively cheap Taiwanese mill / drills that continues to this day but from China

  9. #9
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    Self centring vises are mainly for use with drilling machines. Repeatability and clamping pressure make them less useful for milling.

  10. #10

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    Well I’ve been trying to find time to go and
    buy this vise. It was clearly on a Lathe as
    you can see by looking at it that it still has
    part of a carriage mounted to the bottom
    side of it, and you can see the V grooves
    that ride on the lathe bed itself.

    You’re right, a self centering vise would
    normally be put on a mill or drill and not a
    lathe, but someone must have had a use
    for it on their lathe.
    I plan to use it on my mill for specific things.

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