Re: NAN Bug with circular moves

[Jon Elson <jmelson-at-artsci.wustl.edu>]

Ian Wright wrote:

> Hi Jon,
>
> Yes, to my simplistic mind it seemed that, if I sent the cutter round in a
> complete circle but specified a different finishing point for the 'z'axis,
> the tool should climb steadily throughout the cut. I'm afraid that I haven't
> got as far as understanding G17, G18 etc. yet!  However, if my childish
> playing has highlighted a potential problem which may save others making the
> same mistake on an expensive job, perhaps it has been a little worthwhile. I
> notice that Will has posted another 'fix' so I had better have a go with
> that.

OK, if you want a helical move, then EMC certainly should do it.
At least for 180 degrees at a time, I have done this for thread
milling.  With that, you do NOT use a K word, as there is no
'center' for the Z axis, as that movement is related to the linear
axis of the helical movement.

Jon