>
> Probably. It rather depends on what you are trying to do. From the
> fact that you are considering options, I assume that this is something
> other than normal built-in linuxcnc operation?


Basicly I'm inspiring myself in your non circular turning, but using
external offsets since is not needed anymore to fool the motion module of
LinuxCNC.

I intend to turn automotive camshafts, that is with a minimum of 180º of
base circle (sometimes called heel I think), and a maximum lift of about 8
mm.

So far, it's the same as you did back then. The only difference is that I
in general I need to use two profiles (one for intake and one exhaust) and
offset them in 90º, 180º and 270º to machine the majority of camshafts we
machine now which are for 4 cylinder engines.

Off course if this probes to be reliable (wich I'm more than confident It
will be) the next step is to install LinuxCNC on a cylindrical grinder to
finish the lobes without master.





El sáb., 21 mar. 2020 a las 14:04, andy pugh (<bodge...@gmail.com>)
escribió:

> On Sat, 21 Mar 2020 at 16:32, Leonardo Marsaglia <ldmarsag...@gmail.com>
> wrote:
> >
> > Do you think it's better for me to only use one index pulse to set the
> > reference and then count the position output to keep tracking of the
> > spindle position and whenever I sum 1024 pulses I get one turn?
>
> Probably. It rather depends on what you are trying to do. From the
> fact that you are considering options, I assume that this is something
> other than normal built-in linuxcnc operation?
>
> --
> atp
> "A motorcycle is a bicycle with a pandemonium attachment and is
> designed for the especial use of mechanical geniuses, daredevils and
> lunatics."
> — George Fitch, Atlanta Constitution Newspaper, 1912
>
>
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>

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