[modeleng] Re: Screwcutting
- From: Allen Messer <al_messer@xxxxxxxxx>
- To: modeleng@xxxxxxxxxxxxx
- Date: Mon, 26 Nov 2007 13:31:30 -0800 (PST)
Eric,
What you have there is a thread pitch gauge and is
used to establish how many threads a screw contains
per inch, or in your cast, per metric measure. When
grinding a tool, you need to use a simple gauge,
obtainable at a tool supply house, and grind the tool
bit tip to match the "notch in its side or end. Then
when you are ready to thread, set the tip of the tool
in the notch with the length of the gauge parallel to
the work to be threaded, with the tip exactly at
centre height. Then just preceed with the
proceedings---at slow speed of course. Good luck.
Is there a club in your area where you could obtain
some hands on advise from some of the more experienced
members??
Al Messer
--- Eric Walker <eric@xxxxxxxxxxxxxxxxxxxxxxxxxx>
wrote:
> Thanks for all the sound advice but I'm not very
> good at sharpening lathe
> tools & I know you have to sharpen to the correct
> profile. Among my tools is
> a tool like a penknife with quite a few blades with
> different size teeth
> are these the profiles for different threads or
> some other purpose?
>
> E.W.
> ----- Original Message -----
> From: "Alan Stepney" <alan@xxxxxxxxxxxxxxxx>
> To: <modeleng@xxxxxxxxxxxxx>
> Sent: Sunday, November 25, 2007 6:59 PM
> Subject: [modeleng] Re: Screwcutting
>
>
> >A good idea.
> >
> > Seeing it done is worth far more than all the
> words on here.
> > Then comes the interesting part: trying it for
> yourself.
> >
> > In fact, that is the best way to learn. Take a
> nice piece of scrap, around
> > 1/2" diameter, then turn down and thread to chosen
> size. Make sure you
> > have
> > a nut of that thread, and you will soon see when
> the thread is the correct
> > size for the nut to fit.
> > Alan
> > ----- Original Message -----
> > From: "Eric Walker"
> <eric@xxxxxxxxxxxxxxxxxxxxxxxxxx>
> > To: <modeleng@xxxxxxxxxxxxx>
> > Sent: Sunday, November 25, 2007 3:40 PM
> > Subject: [modeleng] Re: Screwcutting
> >
> >
> > Hello Alan , I have read all the mail concerning
> screw cutting & I think I
> > will get someone to show me how.
> >
> > E.W.
> >
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