You can use the compound to cut the taper with no problem; what you can't do is cut threads on a taper without a taper attachment.
Roy
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--- In 7x12minilathe@..., Chris Bailey <cbailey73160@...> wrote:
You can also use a protractor to adjust the compound to get VERY close.
This one is CHEAP but surprisingly accurate.
Chris
On Thu, Nov 8, 2012 at 8:59 PM, Roy <roylowenthal@...> wrote:
**
You need a taper attachment to cut a truly accurate tapered thread.
Considering their uses, that's almost an oxymoron! Without a taper
attachment, the work-around is to cut a stepped thread & refine it into a
tapered thread either by finishing it with a pipe die or lots of fiddling
with thread files.
Roy
--- In 7x12minilathe@..., "olduhfguy" <phbrush@> wrote:
I have seen a couple of articles on a taper turning attachment for a
mini lathe. It appears the makers are using it primarily to make Morse
taper shanks. Is this the only acceptable way to cut tapered (NPT) pipe
threads ? If that is the case I would be better off to stick with machines
that are designed to cut pipe threads, but I thought I would ask since the
quality that comes out of most threading machines leaves something to be
desired by machinists standards. Thanks !
