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Thread: Help with dies
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21st Sep 2009, 01:24 PM #16Senior Member
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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
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21st Sep 2009, 04:15 PM #17
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.
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21st Sep 2009, 04:56 PM #18Most Valued Member
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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
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21st Sep 2009, 05:10 PM #19
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
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21st Sep 2009, 08:29 PM #20
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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