Re: Crowning help
- Thanks for the replys. You are all right on the button. I now see
what I was doing wrong. Yes, Alan the part is a heavy wall tube,
basically and I want to round the outside and the inside. Z is the
feed axis and X is the cross feed. I posted this message and became
very busy and did not answer each one as fast as I wanted. Sorry. It
is sure nice to have a place to post questions, instead of head
banging. It sure speeds up the process.
--- In SherlineCNC@yahoogroups.com, "Fred Smith" <imserv@v...> wrote:
> --- In SherlineCNC@yahoogroups.com, "Ron Thompson"
> > I have a Sherline 4400 lathe with a IMServ CNC system. I have a
> > inch shaft with a 3/8 inch hole in it and need to put a 1/8
> > the end of the shaft both on the outside edge and the inside of
> > opening. I cannot get the right g-code. There seems to be no
> > get a good description of what parameters do and how to set them.
> > have tried using g02 and g03 but the plot moves only in the x
> > and does not go around the corner to radius the edge. Can anyone
> > suggest a source for solving such problems or some suggested g-
> > to get me started?
> Ron, use a boring bar to radius the inside with front turning, then
> move to the back side of the part and use behind center turning
> the same tool to finish the OD side. VectorCad-Cam will design the
> part, and create the correct G-code. You can also use a face
> grooving tool, but don't forget that you need the same kind of
> clearance on the underside (below center) that a boring bar
> For more detailed info post on the Vector user forum at
> Fred Smith - IMService
> $75 springtime software sale