Re: [Emc-users] Encoders

2009-10-01 Thread Jon Elson
Steve Blackmore wrote: > Here's a halscope of the encoder pulses > > http://imagebin.ca/view/1SkQrEB.html > > what you can determine from the pulse widths/spikes is inconclusive. > OK, now that we have the A and B signals there, we can determine the raw count rate. It is between about 25 quadra

Re: [Emc-users] Question about using a rotary table

2009-10-01 Thread Andy Pugh
2009/10/1 Ian W. Wright : > G92.1 > G10 P2 L1 C0.000 > G54 > > reset the C axis to zero? Yes, but no :-) It doesn't set the "Machine Coordinate" to zero, and that only goes up to revs (though that is configurable) -- atp ---

[Emc-users] Wrapped rotary axes, Fanuc style: for testing

2009-10-01 Thread Chris Radek
On Thu, Oct 01, 2009 at 01:56:32PM -0500, Stuart Stevenson wrote: > > exactly 1 full turn requires using g91 > more than one full turn requires using g91 > g91 move the axis in the direction and magnitude of the command ie. > g91g00c-720 is two revolutions in the negative direction > g91c-10 set t

Re: [Emc-users] Question about using a rotary table

2009-10-01 Thread Ian W. Wright
Since I also have a deep interest in this topic but, like others, no programming ability I have hesitated to throw in my two-pennorth but, like Andy, I am also interested in being able to use the rotary axis for covering a disk in concentric patterns which will involve many rotations of the 'C

[Emc-users] VNC woes

2009-10-01 Thread Chris Epicier
Hi all This is for all that have their probably not so quiet cnc sin another room. I do, I have two wecams on my cnc, one for the whole picture and one to look at the actual cutting. Like that, I can monior the cutting remotely --- if I can also manage my cnc's desktop! Long story short: after

Re: [Emc-users] Question about using a rotary table

2009-10-01 Thread Stuart Stevenson
Gentlemen, on the Fanuc 15mb control: exactly 1 full turn requires using g91 more than one full turn requires using g91 g91 move the axis in the direction and magnitude of the command ie. g91g00c-720 is two revolutions in the negative direction g91c-10 set the axis position to c-10.0 g90g53c0 mo

Re: [Emc-users] Encoders

2009-10-01 Thread Jon Elson
Steve Blackmore wrote: > On Thu, 01 Oct 2009 00:46:54 -0400, you wrote: > > > >> Steve should set up halscope as others have instructed. Capture >> position, velocity, and position-interpolated. Trigger on a falling >> edge of index-enable, so that the scope will take data at the beginning

Re: [Emc-users] Encoders

2009-10-01 Thread Jon Elson
Andy Pugh wrote: > 2009/10/1 Jon Elson : > > >> Somebody posted a pastebin that showed large jumps in "some" variable. >> I was never real clear >> what that column in the file was showing, >> > > > If you mean http://www.pastebin.ca/1583502 then that was me. > The columns (which are messed

Re: [Emc-users] Encoders

2009-10-01 Thread Jon Elson
Steve Blackmore wrote: > On Wed, 30 Sep 2009 21:07:45 -0500, you wrote: > > > >> OK, good, but what is the rate of the bate thread set to? That value is >> brought over >> > >from a line in your .ini file. There are probably 3 lines that read > >> something like : >> # Base task

Re: [Emc-users] Question about using a rotary table

2009-10-01 Thread Jim Fleig - CNC Services
2 cents FWIW The capability and openness of EMC impressed me when I was first introduced to it and I am still impressed. I will be preparing a large knee mill retrofit quote with an Ajax system for a customer because, like Stuart, I don't have the means to 'enhance' the software and I cannot s

Re: [Emc-users] Question about using a rotary table

2009-10-01 Thread Dave Caroline
Another way of putting it for me is psuedo code start routine move to absolute 0-360+increment g1 x30 A(somelarge amount) incr=increment+tooth_angle while incrementhttp://p.sf.net/sfu/devconf ___ Emc-users mailing list Emc-users@lists.sourceforge.net htt

Re: [Emc-users] Question about using a rotary table

2009-10-01 Thread Andy Pugh
2009/10/1 Hubert Bahr : > Always keeping the position within 0 and 359.999 might work if it is > treated as a modulo 360 operation.  I certainly would like to be able to > make greater than 360 degree moves as it is an easy way to specify a > spiral with more than one revolution. I am fairly sure

Re: [Emc-users] Encoders

2009-10-01 Thread Gene Heskett
On Thursday 01 October 2009, Steve Blackmore wrote: >On Thu, 1 Oct 2009 11:17:51 +0100, you wrote: >>2009/10/1 Steve Blackmore : >>> http://imagebin.ca/view/lUA3lv.html >> >>I am amazed that G33 works at all with that velocity noise. Mine is no >>more than 10% dither and is being blamed for my inab

Re: [Emc-users] Fwd: Feature Request.

2009-10-01 Thread Chris Radek
On Thu, Oct 01, 2009 at 05:23:00PM +0100, Andy Pugh wrote: > Not the tool offsets, I don't think? Hmm I think you are right. -- Come build with us! The BlackBerry® Developer Conference in SF, CA is the only developer eve

Re: [Emc-users] Fwd: Feature Request.

2009-10-01 Thread Andy Pugh
2009/10/1 Chris Radek : >> Actually, if G28.1 could "accidentally" store the relative positions >> as well as the absolute positons somewhere (for example in #5041 >> onwards, that would be great. > > You have the offsets all available in variables already.  You could > just subtract them from the

Re: [Emc-users] Question about using a rotary table

2009-10-01 Thread Stuart Stevenson
> > I see a clash between #1 and #3 above: you say in #1 that >=360 is not > written in the program [and I assumed you meant that it is an error to > do so], but then in #3 you say what both 360 and 720 do. This needs > some clarification. > > When you build a post to output 0 to 359.999 you will

Re: [Emc-users] Fwd: Feature Request.

2009-10-01 Thread Chris Radek
On Tue, Sep 29, 2009 at 05:09:40PM +0100, Andy Pugh wrote: > > Actually, if G28.1 could "accidentally" store the relative positions > as well as the absolute positons somewhere (for example in #5041 > onwards, that would be great. You have the offsets all available in variables already. You coul

Re: [Emc-users] Feature Request.

2009-10-01 Thread Andy Pugh
2009/9/29 Andy Pugh : > I understand  that some interpreters write the current z,y,z etc values to > memory registers (I believe Fanuc uses #5041-#5046) > Would it be possible to add that to EMC2? at the end of each move > would be often enough. I see (from the IRC log) that Dave911 is asking for

Re: [Emc-users] Encoders

2009-10-01 Thread Andy Pugh
2009/10/1 Steve Blackmore : >>What sort of encoder is it? It looks to have a slot that isn't registering. > > Heidenhain - there's nothing wrong with the encoder, it's the third one > I've tried, all with the same effect. No, now you have the pulses on there I retract that suggestion. > what you

Re: [Emc-users] Question about using a rotary table

2009-10-01 Thread Chris Radek
On Wed, Sep 30, 2009 at 10:56:43PM -0500, Stuart Stevenson wrote: > Gentlemen, >I have previously requested the rotary axis usage as follows: > > 1: the rotary position stays within 0 and 359.999 > you never see 360 (or more) in the program nor on the position screen > 2: the sign (+ and -

Re: [Emc-users] EMC2 - Skip Configuration Selector

2009-10-01 Thread Eric H. Johnson
Luigi, The easiest way is to run from a command line, such as: emc This will run the specified configuration and bypass the configuration select dialog. You can also set up the same thing in a shortcut or set it to run automatically at logon. Regards, Eric Hi guys, I read a post regarding the

Re: [Emc-users] Encoders

2009-10-01 Thread Andy Pugh
2009/10/1 Peter blodow : > > Hi Andy, > with your open encoder, have you checked the possibility of interference > from a flourescent light that might hang somewhere above your machine? In my case the encoder is inside the spindle casting, in the dark. I have just had a look at Steve's trace, and

Re: [Emc-users] Encoders

2009-10-01 Thread Steve Blackmore
On Thu, 1 Oct 2009 11:17:51 +0100, you wrote: >2009/10/1 Steve Blackmore : > >> http://imagebin.ca/view/lUA3lv.html > >I am amazed that G33 works at all with that velocity noise. Mine is no >more than 10% dither and is being blamed for my inability to thread. > >What sort of encoder is it? It look

Re: [Emc-users] EMC2 - Skip Configuration Selector

2009-10-01 Thread Andy Pugh
2009/10/1 5150 : > skip the EMC2 Configuration Selector screen as well. > Is it possible to skip this transient screen? Yes. In fact the latest version of Stepconf puts direct links to each configuration on the desktop and I has almost forgotten that the configuration screen exists. I can't see w

Re: [Emc-users] Encoders

2009-10-01 Thread Peter blodow
Hi Andy, with your open encoder, have you checked the possibility of interference from a flourescent light that might hang somewhere above your machine? I have encountered this phenomenon at my shop trying to test a DRO. Look at the flickering of the display of a digital camera with flourescent

[Emc-users] EMC2 - Skip Configuration Selector

2009-10-01 Thread 5150
Hi guys, I read a post regarding the capability of "devilspy" to maximize automatically the Axis screen (it is very powerful) but I would like to skip the EMC2 Configuration Selector screen as well. Is it possible to skip this transient screen? I'm using EMC2 2.2.8 Thank You Luigi

Re: [Emc-users] Encoders

2009-10-01 Thread Stephen Wille Padnos
Kirk Wallace wrote: >On Thu, 2009-10-01 at 00:46 -0400, John Kasunich wrote: >... snip > > >>The software encoder counter has TWO functions. >> >>update-counters should always be run as fast as possible - that means >>the base thread. update-counters is the function that actually looks >>at th

Re: [Emc-users] Encoders

2009-10-01 Thread Kirk Wallace
On Thu, 2009-10-01 at 00:46 -0400, John Kasunich wrote: ... snip > The software encoder counter has TWO functions. > > update-counters should always be run as fast as possible - that means > the base thread. update-counters is the function that actually looks > at the encoder inputs and counts t

Re: [Emc-users] Question about using a rotary table

2009-10-01 Thread Stuart Stevenson
Gentlemen, Catering to "ALL" is what open source is all about. You can have whatever you want (and can implement). In my case I am unable (intelligence, training and time issues) to implement everything I want. I must 'make my case' and hope someone with the capability will 'Enhance' the softwar

Re: [Emc-users] Parameter list

2009-10-01 Thread John Thornton
In the User manual http://www.linuxcnc.org/docview/html//gcode_main.html#sec:Quick-Reference-Table John On 30 Sep 2009 at 21:01, VMAXEmbarq wrote: > Can someone point me to a list of the #parameters and the named > parameters > that are accessable through Gcode ?? > > Thanks (;-) TP > > >

Re: [Emc-users] WG: Re: WG: Re: axis and batch processing

2009-10-01 Thread Chris Epicier
Hi all I am in the process of cutting parts, due out soon. Should be doing million things, other than keepin my cnc busy. I checked and rechecked the syntax in bot, master, labels and other files. I cannot find a mistake there. Is there a way I can debug this? A way to set axis/emc to talk t

Re: [Emc-users] Encoders

2009-10-01 Thread Andy Pugh
2009/10/1 Steve Blackmore : > http://imagebin.ca/view/lUA3lv.html I am amazed that G33 works at all with that velocity noise. Mine is no more than 10% dither and is being blamed for my inability to thread. What sort of encoder is it? It looks to have a slot that isn't registering. -- atp

Re: [Emc-users] Encoders

2009-10-01 Thread Steve Blackmore
On Thu, 01 Oct 2009 00:46:54 -0400, you wrote: >Steve should set up halscope as others have instructed. Capture >position, velocity, and position-interpolated. Trigger on a falling >edge of index-enable, so that the scope will take data at the beginning >of a threading pass. Sample at the s

Re: [Emc-users] Encoders

2009-10-01 Thread Andy Pugh
2009/10/1 Jon Elson : > Somebody posted a pastebin that showed large jumps in "some" variable. > I was never real clear > what that column in the file was showing, If you mean http://www.pastebin.ca/1583502 then that was me. The columns (which are messed up, but tab-delimited) show timestamp (on

Re: [Emc-users] Parameter list

2009-10-01 Thread Andy Pugh
2009/10/1 VMAXEmbarq : > > Can someone point me to a list of the #parameters and the  named parameters > that are accessable through Gcode ?? The parameter file definition is mentioned in a number of places in the documentation. I think there is a better one somewhere, but this works: http://linux

Re: [Emc-users] Question about using a rotary table

2009-10-01 Thread Lester Caine
Steve Blackmore wrote: > On Wed, 30 Sep 2009 22:56:43 -0500, you wrote: > >> Gentlemen, >> I have previously requested the rotary axis usage as follows: >> >> 1: the rotary position stays within 0 and 359.999 >>you never see 360 (or more) in the program nor on the position screen > > Many s

Re: [Emc-users] Engrave.py cuts deeper and deeper

2009-10-01 Thread Sven Wesley
2009/10/1 Rob Jansen > Sven, > > ... > > I am now convinced that the motors on my mill don't have to be that big > and am going to buy similar small motors - at least one to start with. > Only thing to do is to find out what extra cards to buy on top of my > 5i20 from Mesa and then I can start pl

Re: [Emc-users] Question about using a rotary table

2009-10-01 Thread Dave Caroline
I too use the rotary for cutting helicals and worms, with a worm one needs to rotate 5-12 turns and the wind back is a real pain. I know now before I start this will also be a serious issue with a hobbing setup where one has hundred to thousands of revs on A depending on the feet rate of the cut.

Re: [Emc-users] Question about using a rotary table

2009-10-01 Thread Steve Blackmore
On Wed, 30 Sep 2009 22:56:43 -0500, you wrote: >Gentlemen, > I have previously requested the rotary axis usage as follows: > >1: the rotary position stays within 0 and 359.999 >you never see 360 (or more) in the program nor on the position screen Many schools of thought and none are "wrong"

Re: [Emc-users] Engrave.py cuts deeper and deeper

2009-10-01 Thread Rob Jansen
Sven, that is good news. Good to hear that the motors are good - I would have gone for way bigger motors but then, the 6.4 Nm steppers on my gigantic mill are very strong (my scales stop at 130 kg, the motors did not ...). And I was the one thinking your motors were way too small for the job -

Re: [Emc-users] Encoders

2009-10-01 Thread Steve Blackmore
On Wed, 30 Sep 2009 21:07:45 -0500, you wrote: >OK, good, but what is the rate of the bate thread set to? That value is >brought over >from a line in your .ini file. There are probably 3 lines that read >something like : ># Base task period, in nanoseconds - this is the fastest thread in

[Emc-users] Olusegun Abode left a message for you on Badoo!

2009-10-01 Thread Badoo
You have new message on Badoo! Olusegun Abode left a message for you. Follow this link to open it: http://eu1.badoo.com/0153735688/in/Ndk3wxINDK8/?lang_id=3 Also, someone's been asking about you: Alfred Dika (Lagos, Nigeria)Laura robert (Lagos, Nigeria)Onabajo oladimeji (Lagos, Nigeria) If clic