Re: [Emc-users] Keyboard options in 2.7.0.?

[jrmitchellj .]

I hope you all realize that the dollar sign is the prompt from the
computer, and should not be typed as part of the command you are trying to
execute.

Just a gentle reminder!

Ray

--J. Ray Mitchell Jr.
jrmitche...@gmail.com
(818)324-7573


The dogmas of the quiet past, are inadequate to the stormy present. The
occasion is piled high with difficulty, and we must rise with the occasion.
As our case is new, so we must think anew and act anew. We must disenthrall
ourselves, and then we shall save our country.*Abraham Lincoln
*, *Annual message
to Congress, December 1, 1862*
*16th president of US (1809 - 1865)*

On Sat, Sep 12, 2015 at 6:13 AM, Erik Christiansen 
wrote:

> On 12.09.15 13:41, Martin Smith wrote:
> > Thanks for your advice.
> >
> > When I tried $ xev in terminal I got command not found.
> > I will ask a freind to guide me in terminal to follow  your advice.
>
> Do you have /usr/bin in your path? When a new command isn't found, you
> can let the system tell you where it is:
>
> $ locate xev
> /usr/bin/xev
> /usr/share/man/man1/xev.1.gz
>
>
> The x in xev is a small clue to the fact that it is used in an X
> environment. Further, all the xmodmap stuff maps keys in the same
> environment. (If you have not booted into X, then the showkey command
> can instead be used to examine the codes sent by the keyboard.)
>
> But if you're using AXIS or similar, then you need the mapping I've
> suggested, and xev is useful for confirming the keycodes. The utility
> can be fetched with:
>
> $ sudo apt-get install x11-utils
>
> if it turns out you don't have it.
>
> Have you tried the suggested xmodmap command, simply by typing it into
> your terminal, to see if it does the job, as is? (I figure that
> keyboards might put out fairly consistent keycodes, otherwise replacing
> a keyboard would be a nightmare.)
>
> Erik
>
>
>
>
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Re: [Emc-users] 2.7.0 Docs

[Gene Heskett]

On Saturday 12 September 2015 14:44:09 Gene Heskett wrote:

> Greetings to whomever is in charge of editing and assembling the new
> 2.7.0-something or other LinuxCNC Documentation pdf.
>
> I am reading onscreen while my printer is slowly consuming paper, and
> finding that all sorts of little niggly tidbits have been fixed, like
> the item in the ini file that sets the spindles starting speed for a
> click on a direction button.
>
> So my hat is waved wildly in your direction in thanks.  And if you
> ever get to my place, I'm sure I can find a cold one for a steaming
> hand.
>
> Many thanks, this is IMNSHO, a lot better than the previous 2.5
> version I've been scribbling notes in for 2 or 3 years.  It should
> have been combined, reducing the duplication of effort, and now it
> seems to be.
>
> Cheers, Gene Heskett

But I may have spoken too soon. some of the graphics images are rendered 
solid black, on pages:
103
272
478
502
504
656
658

Whether that is an image format that kpdf doesn't understand, its black 
on screen as well as on paper, or they were actually defective is unk to 
me, but I thought you might care. :)

It is still a heck of an improvement, thanks to all who had a hand in it.

Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 

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Re: [Emc-users] Knurling with a threading tool using spindle coordinated motion (G33) on EMCOTurn 120P CNC lathe

[Gene Heskett]

On Saturday 12 September 2015 11:39:45 Tom Easterday wrote:

> On Sep 12, 2015, at 10:51 AM, Gene Heskett  wrote:
> > I see that video, very impressive.  But what sort of a threading
> > tool can be driven at that high a side angle?  None of the inserts I
> > have, have that sort of high angle side clearances.
>
> It is one of these, reversed in the turret (turning M3) with a 16ER
> A60 insert:  http://www.shars.com/catalogsearch/result/?q=404-1979
> -Tom

I believe I have one of those, was the external tool of a combo kit I got 
from across the small pond a couple years ago.  It came with 3 inserts 
per tool, so I don't have a clue if its the same one you quoted. What 
threads I have carved with this kit have been good ones and I have not 
damaged or worn out a tooth on the first inserts of either yet.

Works very well in alu for internal threads, but the external tool wants 
to chatter at about 200 Hz when doing mild steel. The chip is tilted 
forward a good 10 degrees, so I am not convinced the dead level contact 
position is the correct one.  Experiments at raising and lowering it a 
few thou have not been "fruitfull".  I am also unconvinced I have the 
spindle bearing preload set correctly since that all has to be removed 
and re-installed in swapping the plastic gears out for the metal ones.  
I have tightened that nut perhaps 20 degrees without affecting the 
chatter which does not seem to be related to the tool in the holder, 
only that its cutting.  The sleeve that transmits that pressure to the 
bearing from the nut is some sort of hard plastic, and draggy as can be 
on the shaft, which it should NOT be if the idea is to force the bearing 
race over a thousandth or 7.  Strangely, this chatter cannot be felt in 
the tail end of the 5/8" workpiece presently hanging a foot out of the 
left side of the headstock.  I'll investigate after I'm done with the 
mills spindle locking pin, and have made a coupling sleeve tapped 8mm 
all the way thru so as to make an extension for the gearshift that 
sticks up high enough its position can be checked.  I must have started 
the spindle motor at leasty 10,000 times, in neutral after centering the 
work in the chuck with a dial indicator.  That sleeve will let me use 
the shift handle from the old head as an extension, making it long 
enough to see.

Thanks Tom E.

Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 

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[Emc-users] 2.7.0 Docs

[Gene Heskett]

Greetings to whomever is in charge of editing and assembling the new 
2.7.0-something or other LinuxCNC Documentation pdf.

I am reading onscreen while my printer is slowly consuming paper, and 
finding that all sorts of little niggly tidbits have been fixed, like 
the item in the ini file that sets the spindles starting speed for a 
click on a direction button. 

So my hat is waved wildly in your direction in thanks.  And if you ever 
get to my place, I'm sure I can find a cold one for a steaming hand.

Many thanks, this is IMNSHO, a lot better than the previous 2.5 version 
I've been scribbling notes in for 2 or 3 years.  It should have been 
combined, reducing the duplication of effort, and now it seems to be.

Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 

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Re: [Emc-users] Knurling with a threading tool using spindle coordinated motion (G33) on EMCOTurn 120P CNC lathe

[Jon Elson]

On 09/12/2015 07:38 AM, sam sokolik wrote:
> Great work!  I wondered how well that would work.  (files that video
> away under 'linuxcnc is awesome')
>
>
I did this a LONG time ago, on a manual lathe.  I set it for 
the coarsest thread it could do, and then hand-cranked the 
leadscrew (which drove the spindle through the gear train) 
and got a very nice pattern on a handle.

(Someday, I'll get my lathe CNC'd.)

Jon

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Re: [Emc-users] trying to get out of the freezer

[Michael Dark]

*Gentlemen,*

*Yes I have that mb and all the bits coming since last week.*
*Not exactly sure who owns this tag but:*
If you can't fix it, you don't own it.
> http://www.ifixit.com/Manifesto


*Uhmm, ok LOL*

*Best RG*

*mic*






On Fri, Sep 11, 2015 at 5:48 PM, Peter C. Wallace  wrote:

> On Fri, 11 Sep 2015, andy pugh wrote:
>
> > Date: Fri, 11 Sep 2015 22:18:28 +0100
> > From: andy pugh 
> > Reply-To: "Enhanced Machine Controller (EMC)"
> > 
> > To: "Enhanced Machine Controller (EMC)"  >
> > Subject: Re: [Emc-users] trying to get out of the freezer
> >
> > On 11 September 2015 at 22:08, Michael Dark  wrote:
> >> *All I know is under the latest and ~greatest I see software*
> >>
> >> *stepping performance going backward. At least it's going*
> >>
> >> *somewhere.*
> >
> > This may be related to the way that CPUs, kernels and Hardware are going.
>
> Not really going backwards if your hardware is up-to date
>
> If you use old hardware, old kernels are often better, if you use new
> hardware
> very good performance is possible with new MBs and new kernels:
>
> Heres a current MB running Preempt-RT (RTAI is even better, in the 5 usec
> region)
>
> http://freeby.mesanet.com/h97-g3258-preemt-rt.png
>
>
>
> >
> > --
> > atp
> > If you can't fix it, you don't own it.
> > http://www.ifixit.com/Manifesto
> >
> >
> --
> > ___
> > Emc-users mailing list
> > Emc-users@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/emc-users
> >
>
> Peter Wallace
> Mesa Electronics
>
>
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Re: [Emc-users] This ones for PCW

[Gene Heskett]

On Saturday 12 September 2015 01:39:46 TJoseph Powderly wrote:

> On 09/11/2015 10:50 PM, Gene Heskett wrote:
> 
>
> > I was feathered, sorta resembling a chicken, so I called in a scale
> > module, which once configured worked really well.
> >
> > But in the 2.8.0-pre's I have a bitch, a loud one.  The halmeter is
> > shown forground for as long as it exists, and that is nice, very
> > nice.
> >
> > But neither halscope nor the hal show config do.  I had halscope
> > watching some stuff an external scope cannot access.  And everytime
> > I clicked on the mdi line to try a spindle speed change today, all
> > that stuff went behind the axis screen, rendering what you wanted to
> > watch invisible because you simply cannot get it re-selected in time
> > to see the response the system made from the command you typed.
>
> Gene, can you right click on top bar of Halscope and choose 'Always on
> top"? 

I didn't know one could do that, but I'll sure look at it when I am next 
at the machine.

> and if you change desktops, try "Always on visible workspace" 

I generally expect the other 3 I have configured to remain "uncluttered".

> you should be able to use the other windows like the mdi line
> without loosing sight of the Scope.

Or of the showconfig panel. being able to click focus between the mdi 
line and the command line of showconfig would also facilitate not losing 
track of ones train of thought.  So having that "always on top" would 
also help.

> The developers have to work inside the desktop environment that you
> use. Things like fonts and colors and whos on top are governed by
> other rules. If the devs take over that stuff they may borq something
> else. Its really your job to choose how your desktop is laid out. You
> do have the power to do so.
>
> HTH TomP tjtr33

Yes it does TomP, thanks.

Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 

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Re: [Emc-users] Knurling with a threading tool using spindle coordinated motion (G33) on EMCOTurn 120P CNC lathe

[Tom Easterday]

On Sep 12, 2015, at 10:51 AM, Gene Heskett  wrote:
> I see that video, very impressive.  But what sort of a threading tool can 
> be driven at that high a side angle?  None of the inserts I have, have 
> that sort of high angle side clearances.

It is one of these, reversed in the turret (turning M3) with a 16ER A60 insert: 
 http://www.shars.com/catalogsearch/result/?q=404-1979
-Tom
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Re: [Emc-users] Knurling with a threading tool using spindle coordinated motion (G33) on EMCOTurn 120P CNC lathe

[Gene Heskett]

On Saturday 12 September 2015 07:48:36 John Alexander Stewart wrote:

> Very neat - thank you for posting the code and the video.
>
> On Fri, Sep 11, 2015 at 7:52 PM, Tom Easterday  wrote:
> > Here is a video of our G33 knurling routine running.  Pretty cool. 
> > I’m sure we aren’t the first to do this, but since I haven’t seen it
> > before I will pretend like it :-)  BTW, this knurl is only about 5
> > thou deep, deeper ones will follow.
> >
> > https://youtu.be/zdCQ0X7b2uo
> >
I see that video, very impressive.  But what sort of a threading tool can 
be driven at that high a side angle?  None of the inserts I have, have 
that sort of high angle side clearances.

> > Here is the code:
> >
> > G8
> > G53 G0 X0
> > G53 G0 Z0
> > M6 T3 G43
> >
> > # = 0.700
> > # = [#/2]
> > # = 0.025
> > # = [# + #]
> >
> > # = 0.000
> > # = 0.25
> > # = 0.010
> > # = 0.002
> > # = 28
> > # = 30
> > # = [# - #]
> >
> > # = 100
> >
> > # = 3.142
> >
> > ; The surface is the circumference of the workpiece
> > # = [# * #]
> >
> > ; Given a knurl angle, calculate Z feed given 
> > # = [TAN[#] * #]
> > # = [# * #]
> > (debug, feed per revolution: #; per min: #)
> >
> > ; thread _width_ is equal to distance traveled in one rev, i.e.
> > 
> > # = #
> > ; Thus, TPI will be 1/
> > # = [1/#]
> >
> > ; To do a n-start thread, we need to start each thread
> > ; /n further back (Z+) than the prior thread
> > # = [#/#]
> >
> >
> > M3 S#
> >
> > #100 = #
> > #110 = [[# * #] + # +
> > #]
> > (debug, knurl lead in: #110)
> >
> > G0 Z#110
> > G0 X[# - #]
> >
> > O100 WHILE [#100 GT 0]
> >(debug, start Z: #110; feed: #)
> >(calculate the lead in for the knurl AFTER this one)
> >#105 = #110
> >#110 = [#110 - #]
> >
> >;G33 Z#110 K#
> >;G1 Z# F#
> >;G1 Z#105 F#
> >G33 Z# K#
> >G33 Z#105 K#
> >;G0 X#
> >G0 Z#110
> >;G0 X[# - #]
> >
> >#100 = [#100 - 1]
> > O100 ENDWHILE
> >
> > 
> >-- ___
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>
> --
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Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page 

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Re: [Emc-users] Keyboard options in 2.7.0.?

[Martin Smith]

Thanks for your advice. 

When I tried $ xev in terminal I got command not found.
I will ask a freind to guide me in terminal to follow  your advice.

Martin
-Ursprungligt meddelande-
Från: Erik Christiansen [mailto:dva...@internode.on.net] 
Skickat: den 11 september 2015 11:39
Till: emc-users@lists.sourceforge.net
Ämne: Re: [Emc-users] Keyboard options in 2.7.0.?

On 10.09.15 23:35, Martin Smith wrote:
> I have  a Swedish keyboard installed. In 2.5.4 (Ubuntu) there is 
> Setting, Keyboard, Layout and Options where you can change key 
> behavior. In my case I could change comma (,) to dot (.) in the numeric 
> keypad.
> I would like to do the same change In 2.7.0 (Wheezy). It´s 
> inconvinient not having dot in the numeric keypad when running LCNC.

Having not yet found fully documenting manpages for GUI stuff, I can only 
advise on a more fundamental approach. Here, starting:

$ xev

then pressing '.' in the numeric keypad (yours will be labelled ','),
gives:

KeyPress event, serial 38, synthetic NO, window 0x301,
root 0x132, subw 0x0, time 585013, (142,317), root:(154,452),
state 0x0, keycode 91 (keysym 0xff9f, KP_Delete), same_screen YES,
XLookupString gives 0 bytes: 
XmbLookupString gives 0 bytes: 
XFilterEvent returns: False

amongst its somewhat verbose output. (Look for "KeyPress event") Now we know 
that the key is "keycode 91". In contrast, pressing the main keyboard '.' gives:

KeyPress event, serial 35, synthetic NO, window 0x301,
root 0x132, subw 0x0, time 1088960, (262,429), root:(274,564),
state 0x0, keycode 60 (keysym 0x2e, period), same_screen YES,
XLookupString gives 1 bytes: (2e) "."
XmbLookupString gives 1 bytes: (2e) "."
XFilterEvent returns: False

revealing that its keysym is 0x2e, so your desired mapping is nothing more than:

$ xmodmap -e 'keycode 91 = 0x2e'

To confirm the process here, where the numeric pad already generates a period, 
I configured the reverse conversion:

$ xmodmap -e 'keycode 91 = 0x2c'

with the result that repeatedly whacking the numeric '.' key now emits:

$ ,

OK, how to automate that? The quickest is just to copy the xmodmap line to your 
~/.bashrc or ~/.profile. Or, if preferred, just the text inside the quotes can 
be added to ~/.Xmodmap, instead, if that seems simpler.
If, however, there are other times when you run Swedish applications, requiring 
a decimal comma, then it might be more convenient to place the xmodmap line in 
a wrapper shell function (or simple alias) around the command you use to start 
LinuxCNC.

What could give you more control than that?

Erik

--
The meta-problem here is that the configuration wizard does all the approved 
rituals (GUI with standardized clicky buttons, help popping up in a browser, 
etc. etc.) but doesn't have the central attribute these are supposed to achieve:
discoverability. That is, the quality that every point in the interface has 
prompts and actions attached to it from which you can learn what to do next.
   - Eric Raymond, in "The Luxury of Ignorance."

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Re: [Emc-users] Knurling with a threading tool using spindle coordinated motion (G33) on EMCOTurn 120P CNC lathe

[John Alexander Stewart]

Very neat - thank you for posting the code and the video.

On Fri, Sep 11, 2015 at 7:52 PM, Tom Easterday  wrote:

> Here is a video of our G33 knurling routine running.  Pretty cool.  I’m
> sure we aren’t the first to do this, but since I haven’t seen it before I
> will pretend like it :-)  BTW, this knurl is only about 5 thou deep, deeper
> ones will follow.
>
> https://youtu.be/zdCQ0X7b2uo
>
> Here is the code:
>
> G8
> G53 G0 X0
> G53 G0 Z0
> M6 T3 G43
>
> # = 0.700
> # = [#/2]
> # = 0.025
> # = [# + #]
>
> # = 0.000
> # = 0.25
> # = 0.010
> # = 0.002
> # = 28
> # = 30
> # = [# - #]
>
> # = 100
>
> # = 3.142
>
> ; The surface is the circumference of the workpiece
> # = [# * #]
>
> ; Given a knurl angle, calculate Z feed given 
> # = [TAN[#] * #]
> # = [# * #]
> (debug, feed per revolution: #; per min: #)
>
> ; thread _width_ is equal to distance traveled in one rev, i.e.
> 
> # = #
> ; Thus, TPI will be 1/
> # = [1/#]
>
> ; To do a n-start thread, we need to start each thread
> ; /n further back (Z+) than the prior thread
> # = [#/#]
>
>
> M3 S#
>
> #100 = #
> #110 = [[# * #] + # +
> #]
> (debug, knurl lead in: #110)
>
> G0 Z#110
> G0 X[# - #]
>
> O100 WHILE [#100 GT 0]
>(debug, start Z: #110; feed: #)
>(calculate the lead in for the knurl AFTER this one)
>#105 = #110
>#110 = [#110 - #]
>
>;G33 Z#110 K#
>;G1 Z# F#
>;G1 Z#105 F#
>G33 Z# K#
>G33 Z#105 K#
>;G0 X#
>G0 Z#110
>;G0 X[# - #]
>
>#100 = [#100 - 1]
> O100 ENDWHILE
>
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Re: [Emc-users] Knurling with a threading tool using spindle coordinated motion (G33) on EMCOTurn 120P CNC lathe

[sam sokolik]

Great work!  I wondered how well that would work.  (files that video
away under 'linuxcnc is awesome')

sam

On 09/11/2015 06:52 PM, Tom Easterday wrote:
> Here is a video of our G33 knurling routine running.  Pretty cool.  I’m sure 
> we aren’t the first to do this, but since I haven’t seen it before I will 
> pretend like it :-)  BTW, this knurl is only about 5 thou deep, deeper ones 
> will follow.
>
> https://youtu.be/zdCQ0X7b2uo
>
> Here is the code:
>
> G8
> G53 G0 X0
> G53 G0 Z0
> M6 T3 G43
>
> # = 0.700
> # = [#/2]
> # = 0.025
> # = [# + #]
>
> # = 0.000
> # = 0.25
> # = 0.010
> # = 0.002
> # = 28
> # = 30
> # = [# - #]
>
> # = 100
>
> # = 3.142
>
> ; The surface is the circumference of the workpiece
> # = [# * #]
>
> ; Given a knurl angle, calculate Z feed given 
> # = [TAN[#] * #]
> # = [# * #]
> (debug, feed per revolution: #; per min: #)
>
> ; thread _width_ is equal to distance traveled in one rev, i.e. 
> # = #
> ; Thus, TPI will be 1/
> # = [1/#]
>
> ; To do a n-start thread, we need to start each thread
> ; /n further back (Z+) than the prior thread
> # = [#/#]
>
>
> M3 S#
>
> #100 = #
> #110 = [[# * #] + # + #]
> (debug, knurl lead in: #110)
>
> G0 Z#110
> G0 X[# - #]
>
> O100 WHILE [#100 GT 0]
>(debug, start Z: #110; feed: #)
>(calculate the lead in for the knurl AFTER this one)
>#105 = #110
>#110 = [#110 - #]
>
>;G33 Z#110 K#
>;G1 Z# F#
>;G1 Z#105 F#
>G33 Z# K#
>G33 Z#105 K#
>;G0 X#
>G0 Z#110
>;G0 X[# - #]
>
>#100 = [#100 - 1]
> O100 ENDWHILE
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Re: [Emc-users] Keyboard options in 2.7.0.?

[Erik Christiansen]

On 12.09.15 13:41, Martin Smith wrote:
> Thanks for your advice. 
> 
> When I tried $ xev in terminal I got command not found.
> I will ask a freind to guide me in terminal to follow  your advice.

Do you have /usr/bin in your path? When a new command isn't found, you
can let the system tell you where it is:

$ locate xev
/usr/bin/xev
/usr/share/man/man1/xev.1.gz


The x in xev is a small clue to the fact that it is used in an X
environment. Further, all the xmodmap stuff maps keys in the same
environment. (If you have not booted into X, then the showkey command
can instead be used to examine the codes sent by the keyboard.)

But if you're using AXIS or similar, then you need the mapping I've
suggested, and xev is useful for confirming the keycodes. The utility
can be fetched with:

$ sudo apt-get install x11-utils

if it turns out you don't have it.

Have you tried the suggested xmodmap command, simply by typing it into
your terminal, to see if it does the job, as is? (I figure that
keyboards might put out fairly consistent keycodes, otherwise replacing
a keyboard would be a nightmare.)

Erik



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