On 6 February 2012 04:35, Erik Christiansen dva...@internode.on.net wrote:
Granted, if I had them ingrained in my brain, after decades of use, I
would not change either. There is no reason to. An optional input filter
only provides flexibility to anyone wanting more. The filter I'm playing
2012/2/5 Lars Andersson l...@larsandersson.com:
Thanks Gene,
change in [TRAJ] was the cure.
From your post:
[AXIS_3]
TYPE = ANGULAR
HOME = 0.0
MAX_VELOCITY = 30.0
MAX_ACCELERATION = 200.0
STEPGEN_MAXACCEL = 300.0
Not immediately obvious, why is MAX_VELOCITY used here, not
On 6 February 2012 05:54, gene heskett ghesk...@wdtv.com wrote:
Obviously I have to use G92 to install the Z offset that compensates for
the drill length, that is unavoidable from my reading. I have no lengths
in my tool table since I'm using a drill chuck, making those lengths
arbitrary and
On Monday, February 06, 2012 03:05:26 AM Kirk Wallace did opine:
On Mon, 2012-02-06 at 05:08 +, N. Christopher Perry wrote:
Thanks Kirk,
I did as you suggested, and while I was at it I measured the series
current when shortedï»؟ and found that it was ~2mA. My pulldowns were
in
On Monday, February 06, 2012 03:25:49 AM andy pugh did opine:
On 6 February 2012 05:54, gene heskett ghesk...@wdtv.com wrote:
Obviously I have to use G92 to install the Z offset that compensates
for the drill length, that is unavoidable from my reading. I have no
lengths in my tool table
On 6 February 2012 12:40, Erik Christiansen dva...@internode.on.net wrote:
Gene, remembering your post about distaste for the tool table, Andy's
opening sentence might put you off what seems a good suggestion, further
down.
Perhaps I should have been more clear that I was talking about the
Jon Elson's Universal Stepper Controller will take care of the encoders for
you: http://pico-systems.com/univstep.html. Many devices including the very
inexpensive Teensy board can manage the HID.
From: Erik Friesen e...@aercon.net
To: Enhanced Machine
I have been looking pretty close at the pico systems board, however, as of
yet I am not clear how to integrate spindle amps monitoring with it. I
also want to monitor vaccum for a holddown system.
On Mon, Feb 6, 2012 at 9:02 AM, Greg Bernard yankeelena2...@yahoo.comwrote:
Jon Elson's Universal
On Mon, 6 Feb 2012 13:27:12 +0200
andy pugh bodge...@gmail.com wrote:
On 6 February 2012 12:04, Erik Christiansen dva...@internode.on.net
wrote:
Though I haven't thought that one through with a lot of caffeine in
the veins, I'm having trouble working out how to do it. The current
LinuxCNC
Erik Friesen wrote:
I have been looking pretty close at the pico systems board, however, as of
yet I am not clear how to integrate spindle amps monitoring with it. I
also want to monitor vaccum for a holddown system.
You just want an overcurrent limit, or you want an analog measurement
On Mon, 2012-02-06 at 07:32 -0500, Erik Friesen wrote:
I am doing a bit of 3 axis cnc routing on pvc. I would like to set it and
forget it while it runs. I have been thinking about building, or buying if
available, something down this line.
Parallel breakout for stepper drive.
Microchip
I don't care about an analog measurement, I want the system to pause or
park when amps are outside of a set range. How would you do the first
scenario?
On Mon, Feb 6, 2012 at 12:14 PM, Jon Elson el...@pico-systems.com wrote:
Erik Friesen wrote:
I have been looking pretty close at the pico
I am not so sure about the parallel port and encoder idea though, the
encoders I see are up to 1000 per rev, that requires a pretty fast base
period to handle that, not? 2us ?
I also am not very clear on emc2 capability to manage analog inputs, it
seems easier to offload the deciding to an
On Monday, February 06, 2012 08:24:45 AM Erik Christiansen did opine:
On 06.02.12 03:36, gene heskett wrote:
On Monday, February 06, 2012 03:25:49 AM andy pugh did opine:
I don't think that is obvious at all. In fact I think that G92 is
the wrong way to do this, and the tool table is the
here is a show...
5 float OUT 0 axis.0.motor-pos-cmd == Xpos-cmd
5 float IN 0 axis.0.motor-pos-fb == Xpos-fb
5 bit OUT FALSE axis.0.neg-hard-limit
5 bit IN FALSE axis.0.neg-lim-sw-in
5 bit OUT FALSE
On Mon, 6 Feb 2012, Erik Friesen wrote:
Date: Mon, 6 Feb 2012 12:23:00 -0500
From: Erik Friesen e...@aercon.net
Reply-To: Enhanced Machine Controller (EMC)
emc-users@lists.sourceforge.net
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Subject: Re: [Emc-users]
On 6 February 2012 16:09, Erik Friesen e...@aercon.net wrote:
I have been looking pretty close at the pico systems board, however, as of
yet I am not clear how to integrate spindle amps monitoring with it. I
also want to monitor vaccum for a holddown system.
On Mon, Feb 6, 2012 at 9:02 AM,
On Mon, 2012-02-06 at 12:29 -0500, Erik Friesen wrote:
I am not so sure about the parallel port and encoder idea though, the
encoders I see are up to 1000 per rev, that requires a pretty fast base
period to handle that, not? 2us ?
In reference to my reply, I suggested that using the parallel
-Original Message-
From: Viesturs Lācis [mailto:viesturs.la...@gmail.com]
Sent: den 6 februari 2012 09:11
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] AXIS default jog speed on A-axis
Not always [AXIS_3] joint is angular... And all the puma and scara
robots have
2012. gada 6. februāris 21:15 Lars Andersson l...@larsandersson.com rakstīja:
How can I make [AXIS_3] linear?
[AXIS_3]
TYPE = LINEAR
It just does not make sense to me to treat extruder as another axis,
whose velocity would determine the amount of extruded material,
because the machine is
From: andy pugh bodge...@gmail.com
To: emc-users@lists.sourceforge.net
Sent: Monday, February 06, 2012 8:03 AM
snip
However I see no reason why we shouldn't consider starting from
scratch with a new machine-control language, possibly based on Python
syntax. I would prefer to see that
-Original Message-
From: Viesturs Lācis [mailto:viesturs.la...@gmail.com]
Sent: den 6 februari 2012 20:40
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] AXIS default jog speed on A-axis
2012. gada 6. februāris 21:15 Lars Andersson l...@larsandersson.com
rakstīja:
The mesa card looks interesting to me. The catch is, how is one going to
go about doing spi and pulling the data into emc2? I assume everything
would have to be bit banged, and is not taken care of in the fpga. It also
says it has quadrature encoder interface, but once again, how is this
On Mon, 6 Feb 2012, Erik Friesen wrote:
Date: Mon, 6 Feb 2012 17:57:10 -0500
From: Erik Friesen e...@aercon.net
Reply-To: Enhanced Machine Controller (EMC)
emc-users@lists.sourceforge.net
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Subject: Re: [Emc-users]
I feel like I'm fumbling a bit for information on the mesa cards. Is the
firmware open source? How does one go about configuring the card? I have
a bit of experience with embedded electronics, but working with this is a
bit new to me. How configurable is the spi?
On Mon, Feb 6, 2012 at 6:05
On Fri, 03 Feb 2012 13:05:02 -0600
sam sokolik sa...@empirescreen.com wrote:
All this talk of lowering the servo thread had me thinking back to when
I was setting up the KT. I wanted to try to lower the servo thread for
testing. I could not go much slower the the 1ms default
On Mon, 6 Feb 2012, Erik Friesen wrote:
Date: Mon, 6 Feb 2012 18:34:37 -0500
From: Erik Friesen e...@aercon.net
Reply-To: Enhanced Machine Controller (EMC)
emc-users@lists.sourceforge.net
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Subject: Re: [Emc-users]
On 06.02.12 09:05, dave wrote:
andy pugh bodge...@gmail.com wrote:
So:
G95 G96 G7
M3 S500
G1 X100 Z50
Might become:
SpindleOn(mode=CSS, Speed=500)
Feed(X=100, Z=50, mode=FeedPerRev)
Did this just break coordinated feed?
I must say the clarity is better but you must be COBOL
Thanks for looking. (I am not that technical though..) The bit of
ladder I have seems to be taking longer than 1ms though. (on this
atom330 board)
sam
On 02/06/2012 06:02 PM, Chris Morley wrote:
On Fri, 03 Feb 2012 13:05:02 -0600
sam sokoliksa...@empirescreen.com wrote:
All this
Erik Friesen wrote:
I don't care about an analog measurement, I want the system to pause or
park when amps are outside of a set range. How would you do the first
scenario?
Does your spindle drive provide an overcurrent signal? If it is a
contact that opens on
fault, you can just wire it
Erik Friesen wrote:
I am not so sure about the parallel port and encoder idea though, the
encoders I see are up to 1000 per rev, that requires a pretty fast base
period to handle that, not? 2us ?
It all depends on the RPM. 1000 count/rev encoders would be fine with
software conting
at
Viesturs Lācis wrote:
It just does not make sense to me to treat extruder as another axis,
whose velocity would determine the amount of extruded material,
because the machine is going to move the extruder along its
coordinates at a given velocity, determined by F word in g-code. I do
not see
so on the first computer it scans at 135 useconds on a 1ms thread speed
and you could actually set it to a .2us thread speed?
on the second what is the scan time on a 1.1 ms thread speed?
I'm a little confused.
please clearly state the facts again and try to use the same unit so comparison
is
On Tuesday, February 07, 2012 01:14:47 AM andy pugh did opine:
On 6 February 2012 12:40, Erik Christiansen dva...@internode.on.net
wrote:
Gene, remembering your post about distaste for the tool table, Andy's
opening sentence might put you off what seems a good suggestion,
further down.
Gene-
Precise Bits has a good selection of tiny drills and
endmills:http://www.precisebits.com/products/carbidebits/drills.asp?tsPT=wire.
These guys sell resharpened bits at an attractive price:
http://drillcity.stores.yahoo.net/index.html . Also, I recently found an
assortment of 10
On 7 February 2012 05:34, Erik Christiansen dva...@internode.on.net wrote:
let's have:
Spindle On mode=CSS Speed=500
Now the same verb can take different arguments:
Spindle Off
So that the programmer is dealing with a _language_ with perceptible
structure, not just a great big pile of
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