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Thread: Help with dies

  1. #16
    Join Date
    Mar 2007
    Location
    Canberra
    Age
    67
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    179

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    Attached is a spreadsheet of info I've collected from different sources. What I've done is printed them out and laminated them. They hang in the shed and I'm constantly referring to them for nearest drill size and tapping sizes etc.
    Peter

  2. #17
    Join Date
    Nov 2004
    Location
    Eastern Suburbs Melbourne
    Posts
    218

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    Ok getting back to the original theme which was about dies. Thanks again for information on dies especially Woodlee on the the split dies.DJ, read your tip in another post so I knew to get the die the right way around.Grahame, that is a very easy die holder to make, thanks for sharing that.Has anyone used the tailstock die holders under power to make their threads? As mentioned I saw a TAFE instructor do this and it was a quick way of making a thread. I always intended to use the lathe for screwcutting but would like to slow the lathe down so that I get it right.

  3. #18
    Join Date
    Aug 2008
    Location
    Charlestown NSW
    Age
    65
    Posts
    1,669

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    If your die holder (stock) has a machined body rather than cast, then you can just run the end of the tailstock barrel up against the back of the stock. keep a bit of pressure on it as you turn the stock (or chuck) and the tailstock will hold the die square to the job.
    You can run a thread under power but I personally would (have done plenty of times actually) only attempt it on a machine with a manual clutch where you have full control of the spindle. Maybe on a footbrake equiped lathe you could do it also but I have never used one so equiped so can't comment.

    bollie7

  4. #19
    Join Date
    Jan 2004
    Location
    Mackay North Qld
    Posts
    6,446

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    I have read about that recently .

    I believe the key points were to have a lathe with a back gear ,eg very low revs,
    a small diameter thread and and sleeve fitting to the tail stock so as if it did get away the stock will spin on the sleeve.

    From what I gathered the die stock folder would have been no more than 25 mm diameter.,itself.

    I think this is what you mean
    http://nbutterfield.com/d.aspx

    Grahame

  5. #20
    Join Date
    Nov 2004
    Location
    Eastern Suburbs Melbourne
    Posts
    218

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    Bollie, I did try the technique you mentioned, sometimes it works for me, sometimes it doesn't.

    Grahame, yes the website you mention is an example. My lathe does not have backgearing nor a manual clutch .

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