Re: [Emc-developers] 5i25 and new live cd

[Gene Heskett]

On Tuesday 05 August 2014 19:56:05 andy pugh did opine
And Gene did reply:
> On 6 August 2014 00:47, Gene Heskett  wrote:
> >> Three-phase PWM.
> > 
> > Something I am not familiar with.  3 phase power, yes, but not pwm.
> 
> There is a three-phase PWM generator in your VFD.

I do not have a VFD.  The mill still has the OEM controller (repaired once 
by moi) and motor, controlled by a PMDX-106.  Uses dynamic brakes to stop 
the quill in quite short order as there are not any great shakes for 
flywheels in the mill.

The lathe has a 1hp treadmill motor and a single quadrant 0-10 volt drive, 
10 CCW, 25 surge amps, controller made by a small outfit in WIS IIRC.  I 
synthesize the reverse quadrant and dynamic braking with hal modules and 
relays for the power routing.  Makes it look like a slow VFD I guess since 
that motor has a huge flywheel/fan, but didn't cost me $400 either. :)  It 
does a G33.1 (rigid tapping) fairly well though.

> It drives the 6
> individual gates that make up the three-phase bridge.
> The Mesa 3pwm has 6 (or three) phase-locked PWM channels with a
> settable dead-time to ensure no shoot-through.


Cheers, Gene Heskett
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[Emc-developers] Interesting email from TI

[Gene Heskett]

Describing a new stepper driver kit, 48 volts, 4.5 amps, 256 steps/step, 
and $25 a motor.  Sounds interesting.

Cheers, Gene Heskett
-- 
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Re: [Emc-developers] Tool Table and Wear offset Table

[Dewey Garrett]

For testing is a set of two patches (apply to current git master):
Subject: [PATCH 1/2] lathe-fanucy: conform for pickconfig
Subject: [PATCH 2/2] tooledit: allow specification of toolno range

-
New options for tooledit (-min, -max):

$ tooledit
Usage:
   tooledit filename
or:
   tooledit [-min toolno] [-max toolno] [column_1 ... column_n] filename

Allowed column_ names are: x y z a b c u v w diam front back orien
-

The simulator config in configs/sim/axis/lathe-fanucy ini file is modified
to demonstrate a facility for opening two editors according to
a range of tool numbers using ini entries like:

[DISPLAY]
TOOL_EDITOR =tooledit -min 1 -max   999 x z diam front back orien
TOOL_OFFSET_EDITOR = tooledit -min 1 -max 9 x z diam front back orien

-
Both patches are required for the example and are available for test in:
http://www.panix.com/~dgarrett/stuff/tooledit_min_max_v1.mbox
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Re: [Emc-developers] 5i25 and new live cd

[andy pugh]

On 6 August 2014 00:47, Gene Heskett  wrote:

>> Three-phase PWM.
>
> Something I am not familiar with.  3 phase power, yes, but not pwm.

There is a three-phase PWM generator in your VFD. It drives the 6
individual gates that make up the three-phase bridge.
The Mesa 3pwm has 6 (or three) phase-locked PWM channels with a
settable dead-time to ensure no shoot-through.

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Re: [Emc-developers] 5i25 and new live cd

[Gene Heskett]

On Tuesday 05 August 2014 12:48:33 andy pugh did opine
And Gene did reply:
> On 5 August 2014 14:52, Gene Heskett  wrote:
> > What is this num_3pwmgens=0 of which you speak?
> 
> Three-phase PWM.

Something I am not familiar with.  3 phase power, yes, but not pwm.

Cheers, Gene Heskett
-- 
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Re: [Emc-developers] 5i25 and new live cd

[andy pugh]

On 5 August 2014 14:52, Gene Heskett  wrote:
> What is this num_3pwmgens=0 of which you speak?

Three-phase PWM.

-- 
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Re: [Emc-developers] Tool Table and Wear offset Table

[andy pugh]

On 5 August 2014 17:36, Rick Lair  wrote:

> Apparently I spoke too soon, but I swear it was working properly yesterday,
> when I did the update.
>
> The original toolchange.ngc file you wrote works fine, what we modified it
> too doesn't. For some reason it is not reading/using the tool data in the T1
> locations in the tool table.

Yes, this is the problem I pointed out.
You need to G43 the tool offset data, then G43.2 the wear modifier.
Your changes removed the G43 # and only left a G43 #

(actually, it doesn't matter what order you do them in, but G43
# and G43.2 # feels more logical.)

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Re: [Emc-developers] Tool Table and Wear offset Table

[Rick Lair]

Apparently I spoke too soon, but I swear it was working properly yesterday,
when I did the update. 

The original toolchange.ngc file you wrote works fine, what we modified it
too doesn't. For some reason it is not reading/using the tool data in the T1
locations in the tool table. The wear offsets T10001 numbers are working
just fine,

Back to the drawing board I guess



Thanks
 
 
Rick Lair
Superior Roll & Turning LLC.
PH: 734-279-1831
www.superiorroll.com




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Re: [Emc-developers] 5i25 and new live cd

[Gene Heskett]

On Tuesday 05 August 2014 07:37:07 David Armstrong did opine
And Gene did reply:
> Guy's
> is the xml files etc still needed in the lib/firmware/hm2/
> as i notice their are no 5i25 entry's
> 
> i'm also receiving an entry error when running my existing config on
> loading the hm2_pci.ko
> 
> my current line is
> loadrt hm2_pci config=" num_encoders=1 num_pwmgens=0 num_3pwmgens=0
> num_stepgens=5 sserial_port_0= "

What is this num_3pwmgens=0 of which you speak?
> 
> has anything changed ?
> 
> Dave


Cheers, Gene Heskett
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Re: [Emc-developers] Tool Table and Wear offset Table

[Rick Lair]

The normal tool location data is stored in the the T1 numbers, the wear
offset data is in the T10001 numbers.

Here is copy of a tool table from one of the turning centers


T10001 P21 X-0.0004 Y0.0 Z0.0013 A0.0 B0.0 C0.0 U0.0 V0.0 W0.0 D0.0 I0.0
J0.0 Q0.0 ;comment

T10002 P22 X0.0 Y0.0 Z0.0 A0.0 B0.0 C0.0 U0.0 V0.0 W0.0 D0.0 I0.0 J0.0 Q0.0
;comment

T10003 P23 X-0.0035 Y0.0 Z-0.01 A0.0 B0.0 C0.0 U0.0 V0.0 W0.0 D0.0 I0.0 J0.0
Q0.0 ;comment

T10004 P24 X0.0 Y0.0 Z0.0 A0.0 B0.0 C0.0 U0.0 V0.0 W0.0 D0.0 I0.0 J0.0 Q0.0
;comment

T10005 P25 X0.0 Y0.0 Z0.0 A0.0 B0.0 C0.0 U0.0 V0.0 W0.0 D0.0 I0.0 J0.0 Q0.0
;comment

T10006 P26 X0.0 Y0.0 Z0.0 A0.0 B0.0 C0.0 U0.0 V0.0 W0.0 D0.0 I0.0 J0.0 Q0.0
;comment

T10007 P27 X0.0 Y0.0 Z0.0 A0.0 B0.0 C0.0 U0.0 V0.0 W0.0 D0.0 I0.0 J0.0 Q0.0
;comment

T10011 P31 X0.015 Y0.0 Z0.0 A0.0 B0.0 C0.0 U0.0 V0.0 W0.0 D0.0 I0.0 J0.0
Q0.0 ;comment

T10012 P32 X0.0 Y0.0 Z0.0 A0.0 B0.0 C0.0 U0.0 V0.0 W0.0 D0.0 I0.0 J0.0 Q0.0
;comment

T10013 P33 X0.0 Y0.0 Z0.0 A0.0 B0.0 C0.0 U0.0 V0.0 W0.0 D0.0 I0.0 J0.0 Q0.0
;comment

T10014 P34 X0.0028 Y0.0 Z0.0 A0.0 B0.0 C0.0 U0.0 V0.0 W0.0 D0.0 I0.0 J0.0
Q0.0 ;comment

T10015 P35 X0.0 Y0.0 Z0.0 A0.0 B0.0 C0.0 U0.0 V0.0 W0.0 D0.0 I0.0 J0.0 Q0.0
;comment

T10016 P36 X0.0 Y0.0 Z0.0 A0.0 B0.0 C0.0 U0.0 V0.0 W0.0 D0.0 I0.0 J0.0 Q0.0
;comment

T10017 P37 X0.015 Y0.0 Z0.0 A0.0 B0.0 C0.0 U0.0 V0.0 W0.0 D0.0 I0.0 J0.0
Q0.0 ;comment

T1 P1 X0.0 Y0.0 Z0.0 A0.0 B0.0 C0.0 U0.0 V0.0 W0.0 D0.0 I0.0 J0.0 Q0.0
;comment

T2 P2 X-0.0706 Y0.0 Z-0.0609 A0.0 B0.0 C0.0 U0.0 V0.0 W0.0 D0.0 I0.0 J0.0
Q0.0 ;comment

T3 P3 X0.3771 Y0.0 Z-0.4088 A0.0 B0.0 C0.0 U0.0 V0.0 W0.0 D0.0 I0.0 J0.0
Q0.0 ;comment

T4 P4 X0.3851 Y0.0 Z-0.3246 A0.0 B0.0 C0.0 U0.0 V0.0 W0.0 D0.0 I0.0 J0.0
Q0.0 ;comment

T5 P5 X0.3701 Y0.0 Z0.0023 A0.0 B0.0 C0.0 U0.0 V0.0 W0.0 D0.0 I0.0 J0.0 Q0.0
;comment

T6 P6 X0.3234 Y0.0 Z-0.8644 A0.0 B0.0 C0.0 U0.0 V0.0 W0.0 D0.0 I0.0 J0.0
Q0.0 ;comment

T7 P7 X0.2387 Y0.0 Z0.5354 A0.0 B0.0 C0.0 U0.0 V0.0 W0.0 D0.0 I0.0 J0.0 Q0.0
;comment

T11 P11 X-7.2512 Y0.0 Z5.8409 A0.0 B0.0 C0.0 U0.0 V0.0 W0.0 D0.0 I0.0 J0.0
Q0.0 ;comment

T12 P12 X-8.0199 Y0.0 Z4.486 A0.0 B0.0 C0.0 U0.0 V0.0 W0.0 D0.0 I0.0 J0.0
Q0.0 ;comment

T13 P13 X-7.891 Y0.0 Z3.299 A0.0 B0.0 C0.0 U0.0 V0.0 W0.0 D0.0 I0.0 J0.0
Q0.0 ;comment

T14 P14 X-8.1248 Y0.0 Z5.0814 A0.0 B0.0 C0.0 U0.0 V0.0 W0.0 D0.0 I0.0 J0.0
Q0.0 ;comment

T15 P15 X-7.2457 Y0.0 Z4.0906 A0.0 B0.0 C0.0 U0.0 V0.0 W0.0 D0.0 I0.0 J0.0
Q0.0 ;comment

T16 P16 X-7.2211 Y0.0 Z8.4012 A0.0 B0.0 C0.0 U0.0 V0.0 W0.0 D0.0 I0.0 J0.0
Q0.0 ;comment

T17 P17 X-7.2492 Y0.0 Z7.0874 A0.0 B0.0 C0.0 U0.0 V0.0 W0.0 D0.0 I0.0 J0.0
Q0.0 ;comment  

Thanks
 
 
Rick Lair
Superior Roll & Turning LLC.
PH: 734-279-1831
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Re: [Emc-developers] Tool Table and Wear offset Table

[andy pugh]

On 5 August 2014 14:56, Rick Lair  wrote:

> One of the few things we have been wondering about though is if there is an
> ability to make a separate table/tab to be able to put those wear offsets in
> instead of the main tool table

I am still not sure how you are using the tool table, if you are not
using compound offsets.

In theory it would be relatively easy to make the tool table editor
called up from in-GUI ignore any tool < 1.
Then a separate version of the editor could be used for T < 1.
But I don't know what you are storing in T1 and what you are storing
in T10001. It seems like you are not using any of the T1 offsets?

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[Emc-developers] LinuxCNC 2.6.1 is out!

[Sebastian Kuzminsky]

Hi again folks, I just released LinuxCNC 2.6.1.  This one fixes a
show-stopper bug in stepconf that prevented it from running correctly on
Debian Wheezy and Ubuntu Precise.  If you tried to configure a new
machine with stepconf and it didn't work right, try again with 2.6.1.

Many thanks to Eric Agis-Garcin and Gleap Site for reporting the bug,
and to Chris Morley and Jeff Epler for fixing it.


Other notable changes since 2.6.0:

* Fix a bug in Touchy when no macros are defined.
* Change the sim/axis/axis.ini sample config so the splash screen runs
without re-zeroing G54.
* Minor docs improvements.


Thanks to the people who contributed code to this release:

* Chris Radek
* Chris Morley
* Jeff Epler
* John Thornton


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[Emc-developers] Tool Table and Wear offset Table

[Rick Lair]

Hello Guys,

 

Trying not to push the envelope too far,

 

We have implemented Andy's Fanucy tool remap into our configuration on one
of our turning centers, and it is a tremendous improvement in regards to
some of the things we have been pushing since the inception of LinuxCNC in
our shop. It will be going on all machines as soon as I can get my hands
them.   Thank You

 

One of the few things we have been wondering about though is if there is an
ability to make a separate table/tab to be able to put those wear offsets in
instead of the main tool table. This helps safeguard fat fingering the main
tool data/numbers against having them changed, and having to go and re-touch
off your tools when a mistake like that is made.

 

 

Just an honest question, about whether or not it is possible, we here know
all of you guys are hard at work doing what you can to improve the LinuxCNC
project, and a lot of things take precedent over minor things like this.

 

 

 

Thanks

 

 

Rick Lair

Superior Roll & Turning LLC.

PH: 734-279-1831

www.superiorroll.com

 

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Re: [Emc-developers] Sample Configs layout

[Rick Lair]

Hey Andy,

Sorry for the delay, my email has been giving me trouble lately,

No we do not have separate tool offsets, wear offsets, and tool data, poor
wording on my part, the only thing that we use is the standard
Tool/Geometry/Fixed Offsets/Data/Numbers and the Wear/Assignable
Offsets/Data/Numbers. 

We have never had the need to apply multiple offsets to one tool at any
given time, I think that may have been a mis-understanding for a long time
in the wording that I have been using in regards to this issue, and the tool
offset patch for that matter.

That's why when looking at what we came up, you can see I deleted the part
about the G43.2, we don't even remotely want the operators to have the
ability to apply multiple offsets at one time.

As for what we came up with based on what you have done, it works perfectly,
and is a whole bunch easier to configure on my end, and it clarifies what is
going where and how things are working. When reading the description in the
beginning of the Fanuc tool offset patch it sounds contradicting as to
exactly what is happening and where the numbers go in to the tool table.

 

Many Thanks
 
 
Rick Lair
Superior Roll & Turning LLC.
PH: 734-279-1831
www.superiorroll.com



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Re: [Emc-developers] Jeff's wheezy live cd

[sam sokolik]

Can you explain the steps that brought you to needing those 2 files?

(I have been running the new livecd for the past couple weeks with both 
the 7i80, 5i20 and rtai/rt-preempt with no issues.)

sam

On 8/5/2014 8:17 AM, David Armstrong wrote:
> Then why did i have to install the 2 files referenced to allow Linuxcnc to
> run
> i am NOT using Machinekit
>
> Dave
>
>
> On 5 August 2014 13:58, Jeff Epler  wrote:
>
>> On Mon, Aug 04, 2014 at 07:05:21PM +0100, David Armstrong wrote:
>>> Guy's
>>> just for information , jeff's boot image as per the wiki
>>> http://article.gmane.org/gmane.linux.distributions.emc.user/52401
>> The LinuxCNC image you refer to is built by Chris Radek, not by any Jeff.
>>
>>> and found that
>>>
>>> /etc/security/limits.d/linuxcnc.conf
>>> /etc/udev/rules.d/50-LINUXCNC-shmdrv.rules
>>>
>>> were not included
>> These may be files that are shipped by the MachineKit project.  LinuxCNC
>> is not MachineKit and does not ship these files.  "shmdrv" is
>> machinekit-specific, and in current versions of LinuxCNC we increase the
>> locked memory limit by appending lines to /etc/security/limits.conf;
>> this was done because at the time we added this, limits.d did not exist
>> yet.  Patches to change our packaging to use limits.d instead would be
>> welcome.
>>
>> Jeff
>>
>>
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Re: [Emc-developers] 5i25 and new live cd

[David Armstrong]

no didnt solve it Andy
sending a screenshot to you  in case you can spot anything

Dave


On 5 August 2014 13:55, andy pugh  wrote:

> On 5 August 2014 12:37, David Armstrong  wrote:
>
> > my current line is
> > loadrt hm2_pci config=" num_encoders=1 num_pwmgens=0 num_3pwmgens=0
> > num_stepgens=5 sserial_port_0= "
>
> That ought to work, I think. Does removing the leading space before
> num_encoders help?
>
> --
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> http://www.ifixit.com/Manifesto
>
>
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Re: [Emc-developers] Jeff's wheezy live cd

[David Armstrong]

Then why did i have to install the 2 files referenced to allow Linuxcnc to
run
i am NOT using Machinekit

Dave


On 5 August 2014 13:58, Jeff Epler  wrote:

> On Mon, Aug 04, 2014 at 07:05:21PM +0100, David Armstrong wrote:
> > Guy's
> > just for information , jeff's boot image as per the wiki
> > http://article.gmane.org/gmane.linux.distributions.emc.user/52401
>
> The LinuxCNC image you refer to is built by Chris Radek, not by any Jeff.
>
> > and found that
> >
> > /etc/security/limits.d/linuxcnc.conf
> > /etc/udev/rules.d/50-LINUXCNC-shmdrv.rules
> >
> > were not included
>
> These may be files that are shipped by the MachineKit project.  LinuxCNC
> is not MachineKit and does not ship these files.  "shmdrv" is
> machinekit-specific, and in current versions of LinuxCNC we increase the
> locked memory limit by appending lines to /etc/security/limits.conf;
> this was done because at the time we added this, limits.d did not exist
> yet.  Patches to change our packaging to use limits.d instead would be
> welcome.
>
> Jeff
>
>
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Re: [Emc-developers] Jeff's wheezy live cd

[Jeff Epler]

On Mon, Aug 04, 2014 at 07:05:21PM +0100, David Armstrong wrote:
> Guy's
> just for information , jeff's boot image as per the wiki
> http://article.gmane.org/gmane.linux.distributions.emc.user/52401

The LinuxCNC image you refer to is built by Chris Radek, not by any Jeff.

> and found that
> 
> /etc/security/limits.d/linuxcnc.conf
> /etc/udev/rules.d/50-LINUXCNC-shmdrv.rules
> 
> were not included

These may be files that are shipped by the MachineKit project.  LinuxCNC
is not MachineKit and does not ship these files.  "shmdrv" is
machinekit-specific, and in current versions of LinuxCNC we increase the
locked memory limit by appending lines to /etc/security/limits.conf;
this was done because at the time we added this, limits.d did not exist
yet.  Patches to change our packaging to use limits.d instead would be
welcome.

Jeff

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Re: [Emc-developers] 5i25 and new live cd

[Chris Radek]

On Tue, Aug 05, 2014 at 12:37:07PM +0100, David Armstrong wrote:
> 
> i'm also receiving an entry error when running my existing config on
> loading the hm2_pci.ko
> 
> my current line is
> loadrt hm2_pci config=" num_encoders=1 num_pwmgens=0 num_3pwmgens=0
> num_stepgens=5 sserial_port_0= "

What's the error?


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Re: [Emc-developers] 5i25 and new live cd

[andy pugh]

On 5 August 2014 12:37, David Armstrong  wrote:

> my current line is
> loadrt hm2_pci config=" num_encoders=1 num_pwmgens=0 num_3pwmgens=0
> num_stepgens=5 sserial_port_0= "

That ought to work, I think. Does removing the leading space before
num_encoders help?

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[Emc-developers] 5i25 and new live cd

[David Armstrong]

Guy's
is the xml files etc still needed in the lib/firmware/hm2/
as i notice their are no 5i25 entry's

i'm also receiving an entry error when running my existing config on
loading the hm2_pci.ko

my current line is
loadrt hm2_pci config=" num_encoders=1 num_pwmgens=0 num_3pwmgens=0
num_stepgens=5 sserial_port_0= "

has anything changed ?

Dave
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