Re: [Emc-developers] Fwd: Re: Reverse Run

2015-04-14 Thread TJoseph Powderly
On 04/14/2015 05:46 PM, andy pugh wrote: > On 14 April 2015 at 23:26, TJoseph Powderly wrote: >> yes, seems true. >> i hope your view of the time sale for reversals is >> at most millisecs. the immediate velocity has nothing to do with the >> previous, there is no velocity smoothing. > > I remain

Re: [Emc-developers] Fwd: Re: Reverse Run

2015-04-14 Thread andy pugh
On 14 April 2015 at 23:26, TJoseph Powderly wrote: > yes, seems true. > i hope your view of the time sale for reversals is > at most millisecs. the immediate velocity has nothing to do with the > previous, there is no velocity smoothing. I remain confused by this. If adaptive feed went from +1 on

Re: [Emc-developers] Fwd: Re: Reverse Run

2015-04-14 Thread TJoseph Powderly
g30 & g30.1? interesting when combines with retract and i see the intermediate point would be easy ( the rufpoint might be an intermediate point from the cone surface towards the startpoint above the workpiece. i really have to do some drawings :| thx for the reminder about G30 tomp tjtr33 On 04/

Re: [Emc-developers] Fwd: Re: Reverse Run

2015-04-14 Thread TJoseph Powderly
On 04/14/2015 11:02 AM, andy pugh wrote: sorry andy still working my way thru these posts, and i am slow > On 11 April 2015 at 16:13, TJoseph Powderly wrote: > >> You may find that the adaptive feedrate idea is very wrong for edm. > > I think that the adaptive feed pin was introduced for wire ED

Re: [Emc-developers] Fwd: Re: Reverse Run

2015-04-14 Thread TJoseph Powderly
Robert, thanks for looking into it On 04/14/2015 10:17 AM, Robert Ellenberg wrote: Very interesting stuff! I have some ideas for how to implement a more EDM-appropriate reverse run mechanism based on what you describe. Here's a short list of new features we would need to address your concerns 1

Re: [Emc-developers] Fwd: Re: Reverse Run

2015-04-14 Thread Robert Ellenberg
Andy, I agree, they are two separate problems. I just wanted to answer both questions in one place since they came up here. My G15/G16 example is very similar to G28 and G30, but the difference would be that the retract would happen immediately and automatically on abort of a program (vs at a part

Re: [Emc-developers] Fwd: Re: Reverse Run

2015-04-14 Thread andy pugh
On 14 April 2015 at 16:17, Robert Ellenberg wrote: > 1) "Retract-to-setpoint-on-abort" modal code. If a retract point is set, > the machine would automatically retract to that position on abort. Abort > would also clear this set point. > > Perhaps this pair of G codes could work (chosen somewhat

Re: [Emc-developers] Fwd: Re: Reverse Run

2015-04-14 Thread andy pugh
On 11 April 2015 at 16:13, TJoseph Powderly wrote: > You may find that the adaptive feedrate idea is very wrong for edm. I think that the adaptive feed pin was introduced for wire EDM, and if it doesn't work properly for that then it ought to change. > so, imo the adaptive feed is incorrect > i

Re: [Emc-developers] Fwd: Re: Reverse Run

2015-04-14 Thread Robert Ellenberg
Very interesting stuff! I have some ideas for how to implement a more EDM-appropriate reverse run mechanism based on what you describe. Here's a short list of new features we would need to address your concerns 1) "Retract-to-setpoint-on-abort" modal code. If a retract point is set, the machine wo

Re: [Emc-developers] Instructions to install old versions.

2015-04-14 Thread andy pugh
On 14 April 2015 at 13:43, John Thornton wrote: > I'd think those pages should point to the main page. What is the "main page" now? The link on the web front page links to an email on Gmane. Which seems a bit of a strange way to do it. -- atp If you can't fix it, you don't own it. http://www.if

Re: [Emc-developers] Instructions to install old versions.

2015-04-14 Thread John Thornton
I'd think those pages should point to the main page. I guess if your trying to work with an older computer you might want the old LiveCD to start with... JT On 4/14/2015 7:16 AM, andy pugh wrote: > We occasionally see potential new users of LinuxCNC following the > instructions here: > http://w

[Emc-developers] Instructions to install old versions.

2015-04-14 Thread andy pugh
We occasionally see potential new users of LinuxCNC following the instructions here: http://wiki.linuxcnc.org/cgi-bin/wiki.pl?Installing_LinuxCNC And ending up with a 2.5 installation. Or occasionally even here: http://wiki.linuxcnc.org/cgi-bin/wiki.pl?Installing_EMC2 And ending up with a 2.4 versi