> On May 3, 2015, at 5:21 PM, Jon Elson <[email protected]> wrote: > > If you want to do rigid tapping, you need to select a > spindle speed change rate that will allow the Z axis to > follow the change in speed. You can always set the VFD to > do it faster, and then use a HAL component to make the speed > change more gradual. The relationship between spindle > reverse and Z axis following is, of course, scaled by the > thread pitch! > So, fine pitch threads can be done with more abrupt speed > changes that coarse ones. > > I've got something like 0.7 second speed ramp selected in > the VFD, but have something a little slower set in the hal > files. > I used the lowpass component, but the limit component would > also be able to do this.
Thanks Jon. So you change the value in Hal depending on the threads you want to cut? Or you just have a setting that can do either and may not be as fast as possible for high thread count? -Tom ------------------------------------------------------------------------------ One dashboard for servers and applications across Physical-Virtual-Cloud Widest out-of-the-box monitoring support with 50+ applications Performance metrics, stats and reports that give you Actionable Insights Deep dive visibility with transaction tracing using APM Insight. http://ad.doubleclick.net/ddm/clk/290420510;117567292;y _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
