Use the parametric equation of a spiral and compute it *inside* your
g-code program.
x(t) = c1 * t * cos(t) + x0
y(t) = c2 * t * sin(t) + y0
Choose as fine a step as you like for t and make a while
loop to generate the x and y values and do G1 moves.
See
I am upgrading an older setup with a newer small form factor
computer, and realized that the new machine has no PCI interface,
only PCIe. I have a Mesa 5i25 from the old system that I would
like to use. Has anybody tried using one of the $25 adapters I
see advertised to connect a 5i25 to a PCIe
My current preference is Linux Mint (Ubuntu based distro) with the MATE
desktop. Second choice is Ubuntu 22 with Gnome classic desktop.
Desktop environment depends a lot on personal preference. I'm old fashioned,
liking drop down menus.
-- Ralph
On May 9, 2023 2:15 PM, John Dammeyer wrote:
I like to buy my small drill bits and end mills from Drill Bits Unlimited.
These are resharpened bits from the pcb industry. You can buy a box
of 50 at a time cheap.
https://drillbitsunlimited.com/default.aspx
-- Ralph
From: gene heskett
Use a spot drill before the small drill to get the hole on center
and true. "Real" CAM software usually lets you select spot drilling
for each hole. Then it generates tool path for the spot drill operation
before tool path for the regular drill.
I would love for FreeCAD to gain the features
This only happens in lightly-loaded DC shunt field machines. Here is a
pretty good explanation:
https://www.quora.com/What-is-the-run-away-condition-in-D-C-motors
My electric machines professor demonstrated this to my class 40 years
ago, He would kill the armature power before it blew up, of
wrote:
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On Fri, Sep 9, 2022 at 3:12 AM Ralph Stirling
wrote:
>
> My last order from JLC was six different designs, five or ten of each, one
> fully stuffed with ten or so high grade opto's an
My last order from JLC was six different designs, five or ten of each, one
fully stuffed with ten or so high grade opto's and a bunch of discretes. Total
cost with shipping and paypal fee was $150, arrived in one week. A single
board only job would probably be $20 with shipping. Parts for an
What kind of machine does the potential Acorn buyer plan to control?
Most of these newer controls are aimed at vanilla 3-axis cartesian
machines. They generate step/dir pulses, and have three home inputs,
and not a lot else. LinuxCNC really shines when you have more complex
I/O needs, unusual
down to about 1/4" diam.
-- Ralph
On Aug 4, 2022 9:57 PM, Greg Bernard wrote:
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What size wire do each each of the heat shrinks do?
On Thu, Aug 4, 2022, 10:28 PM Ralph Stirling
wrote:
> If you
If you have ever wished for a nice way to label
wiring in a cnc machine project, you should
consider printing on heat shrink tubing. I just
bought a used Dymo LabelManager 160 for
$21 on ebay, and several heat shrink label
cartridges for about $5 each (for a 5ft roll),
and it makes beautiful wire
So is "Next Generation Control" where the .ngc file extension
for LinuxCNC g-code files comes from?
-- Ralph
From: Todd Zuercher [to...@pgrahamdunn.com]
Sent: Friday, July 22, 2022 11:55 AM
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users]
Even more amazing, it is made by multiple manufacturers and is actually in
stock at distributors!
Thanks for the tip, Andy.
-- Ralph
On Jul 20, 2022 3:59 AM, andy pugh wrote:
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What kind of ceiling clearance and structure do you have over the Mazak? Would
it be possible to rig up a hoist in place to lift the spindle?
-- Ralph
On Jun 27, 2022 9:00 AM, dave engvall wrote:
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Hi Todd
the Walla Walla University email
system.
On Fri, 24 Jun 2022, Ralph Stirling wrote:
> Date: Fri, 24 Jun 2022 15:28:17 +
> From: Ralph Stirling
> Reply-To: "Enhanced Machine Controller (EMC)"
>
> To: "emc-users@lists.sourceforge.net"
> Subject: [E
Anybody have a spare 6i25 they would be willing to sell? Helping a friend set
up his Prolight 1000 mill, and discovered his SFF Dell computer doesn't have
pci slots, so the 5i25 we got won't work. Mesaus and Mesanet are out of stock.
Thanks,
-- Ralph
You could try a simple photo prox sensor with gain/threshold setting.
The AutomationDIrect sensors we use let you "teach" the background
and foreground light levels. If you are lucky, your black and green may
be different enough in reflectance to give you your trigger. May not
work, though, as
Yes, european color code is brown=V+, blue=gnd, black=output.
With NPN, load is referenced to V+, with PNP, load is referenced to gnd.
-- Ralph
From: Peter C. Wallace [p...@mesanet.com]
Sent: Wednesday, May 11, 2022 2:00 PM
To: Enhanced Machine Controller
I bought an Invertek VFD, made in England, from VFDexchange on ebay last year.
I haven't fired it up yet, unfortunately, but the specs and price appealed to
me (5hp single phase input, $500usd new). Excellent manual.
-- Ralph
On Apr 26, 2022 10:48 AM, Todd Zuercher wrote:
CAUTION: This
There is probably a post processor setting for X axis direction to
accommodate the variation out there.
-- Ralph
From: andy pugh [bodge...@gmail.com]
Sent: Monday, April 11, 2022 10:10 AM
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users]
Plug in a loop back plug (pins 2 and 3 connected) and run any
terminal emulator ("screen", and Arduino IDE serial monitor are
two convenient ones available on Linux) to see if you get back
what you type. That will verify the port works and that you are
addressing the correct one. Then check if
McMaster and Misumi have M15x1 bearing retaining nuts, but nothing
finer pitch. Hard to say if your ball screw was supplied with
the thread from THK or if it was supplied unfinished and
machined later. I don't even see M15x0.8 in Machinery's Handbook.
-- Ralph
Hi Leonardo,
I've attached a simple schematic I came up with recently for exactly the
same purpose (0-10v analog out from 0-3.3v pwm). I have not had the
chance to breadboard it yet, but believe it should work. You can adjust
the R-C filter values as needed. The choice of opamp is fairly
Hi Dominic,
It would seem to me that if your goal is to teach vets how to retrofit
or build cnc machine tools, you would do well to use current technology
that they could obtain to perform jobs after they are done with your
program.
Currently available hardware for LinuxCNC use is primarily
Mesa
Sam, when you finish the lathe project we'll give you the Nebel prize.
-- Ralph
On Mar 18, 2022 7:33 AM, Sam Sokolik wrote:
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Thought about it... :)
On Fri, Mar 18, 2022 at 4:50 AM andy pugh wrote:
> On
, 2022 4:57 PM
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] step/dir driven spindle and rigid tapping
CAUTION: This email originated from outside the Walla Walla University email
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On Sun, 6 Mar 2022 at 22:31, Ralph Stirling
wrote:
> plain parallel port stepper cont
I'm helping a friend with a TMC1000 retrofit, and we
put a nice brushless servo on the spindle instead of
the old universal motor. He is using LCNC with
plain parallel port stepper control. I'm setting up the
spindle as step/dir, since he doesn't have analog output.
He especially wants to be
You don't need a joint at all. You can just have an encoder
channel that doesn't connect to any joint. You can then
net encoder.xx.count to your display widget. You could also
net a button widget to encoder.xx.reset to reset the count.
If you are wanting to scan into a point cloud, you could
If you wanted totally automated, you could use linuxcncrsh.
Ngcgui or pyngcgui sound like they might be useful for this
too. Otherwise, overwriting the single file (or copying over)
doesn't sound like that bad of an idea.
-- Ralph
From: andy pugh
Are you going to engrave one part at a time, or hold them
in some array fixture?
Either way, I would probably have the python script
add preamble and postamble to initialize everything,
and in the second case, add indexing logic to step
from part to part in the array. G-code variables and
if
needed.
John Figie
On Tue, Feb 22, 2022 at 5:35 PM Ralph Stirling <
ralph.stirl...@wallawalla.edu> wrote:
> I think you have just described Ethercat. There are open source Ethercat
> master and slave implementations (soem and soes). The slave requires a
> Microchip interface
I think you have just described Ethercat. There are open source Ethercat
master and slave implementations (soem and soes). The slave requires a
Microchip interface device (LAN9252). I would like ethercat interface to
steppers of various sizes, and may work on that this summer.
-- Ralph
On
outside the Walla Walla University email
system.
On Sun, Feb 13, 2022 at 10:42 AM Ralph Stirling <
ralph.stirl...@wallawalla.edu> wrote:
> Freecad "path" workbench generates g-code toolpaths. You can paste your
> openscad source code into freecad with the openscad workbe
Freecad "path" workbench generates g-code toolpaths. You can paste your
openscad source code into freecad with the openscad workbench.
-- Ralph
On Feb 13, 2022 8:54 AM, gene heskett wrote:
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Greetings all;
Report back on what you got and how well it works after you have it installed.
I think a lot of people may be interested.
-- Ralph
On Feb 10, 2022 12:15 PM, andrew beck wrote:
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Yep pleased to say i got a
(EMC)
Subject: Re: [Emc-users] who has used thin client pcs
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Yeah don't that several times. Got nothing
On Thu, 10 Feb 2022, 16:39 Ralph Stirling,
wrote:
> Personally, I have come to like Intel NUC micro p
Personally, I have come to like Intel NUC micro pc's, but haven't used them in
a shop environment yet to give an unqualified endorsement.
I would suggest a google search for "industrial pc fanless" and see what is
available in your area. Nothing magic about mini-itx, as it is just one of
many
Well, I suspect what Andrew was asking was whether Native CAM will generate
toolpaths and g-code for lathes. There seems to be a lot of discussion about
nativecam on the forum, and I see mention of lathe mode, so I think "yes".
-- Ralph
On Jan 27, 2022 1:07 PM, fxkl47BF--- via Emc-users
I had some problems today with a small XL timing
pulley slipping on a NEMA17 stepper shaft due to
the set screw loosening after running for long
periods (multiple days). I drilled and tapped a
second set screw hole, and I can probably apply
some thread locker, but I got to wondering if it
would
I would suggest starting with a more capable microcontroller. I like the $15
Adafruit ItsyBitsy M4 modules, which are programmable with the Arduino IDE, but
have a 120MHz clock, 32 bit timers, floating point hardware, and two 1Mhz 12bit
adc's. Their processor is an ATSAMD51 (Cortex M4). The
h-bridges.
On Wed, Jan 12, 2022 at 6:35 PM Ralph Stirling <
ralph.stirl...@wallawalla.edu> wrote:
> The bldc.c component computes the two-phase sin/cos
> terms from phase angle, but I don't think it outputs them,
> so a very slight modification would be necessary. The sin/cos
> outp
The bldc.c component computes the two-phase sin/cos
terms from phase angle, but I don't think it outputs them,
so a very slight modification would be necessary. The sin/cos
output values would be connected to PWM inputs in hostmot2,
which would generate the actual signals for two H-bridges to
inks.protection.outlook.com/?url=https%3A%2F%2Fyoutu.be%2F5iV_hB08Unsdata=04%7C01%7Cralph.stirling%40wallawalla.edu%7C3089a4c0b4604dbe31ff08d9d0eec008%7Cd958f048e43142779c8debfb75e7aa64%7C0%7C0%7C637770546129586569%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%
The newest version of Machinekit separates "emc" from hal,
and permits their hal to compile with standard Linuxcnc 2.8
if I recall correctly. Their focus has always been on the
hal end of things rather than gui's and cnc machining.
I can't find the email post that explained this, and the
That AR3 robot is indeed interesting. In the event
that anyone else wants to know the specs on the
robot, here is what I found on page 298 of the manual:
Reach – 24.75 inches (62.9cm)
Payload – 4.15 lbs (1.9kg)
Repeatability - .2mm
Robot weight (aluminum) – 27lbs (12.25kg)
Enclosure weight –
Tormach has an interesting 6-axis robot fully controlled by ROS,
and multiple CNC machines running Linuxcnc/Machinekit, so it
makes perfect sense for them to integrate the two worlds better.
I also find this to be an excellent development. Frankly, I'd enjoy
trading our two Yaskawa Motoman
The secret to importing scad files into FreeCAD is to go
to the OpenSCAD workbench, click OpenSCAD -> Add OpenSCAD element,
paste in the text from the scad file into the dialog box,
and click "Add". From then on it is just a FreeCAD model.
-- Ralph
From:
FreeCAD can input OpenSCAD files and then export
step or iges files. Before I got more comfortable with
FreeCAD, I would design my part in OpenSCAD, read
the scad file into FreeCAD and then apply fillets before
exporting. Fillets have historically been a real pain in
OpenSCAD (not sure if they
I have finally started stripping out the control cabinet on my cnc mill in
preparation for my retrofit. The brushed servos and mechanical limit and home
switches were wired up with crimped "bullet" quick connect pins. I'm replacing
the servos with brushless servos, and am considering
Am I once again trying for something untested?
Is it possible to use a 7i90hd as a high speed
sserial remote (2.5Mb, not the 115kb) with
configurations other than straight gpio?
Thanks,
-- Ralph
From: Ralph Stirling
Sent: Sunday, October 24, 2021 11:11 AM
I'm interested in using the 7i90hd as an sserial remote, but am having trouble
pulling all the pieces together to build a configuration. I will ultimately
need four servo channels (encoder and pwm), three MPG channels, and a bunch of
discrete i/o. I may split this up into two or three 7i90
.
-- Ralph
On Oct 22, 2021 8:35 PM, Chris Albertson wrote:
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Just curious, what will this robot do when it is finished?
On Fri, Oct 22, 2021 at 10:20 AM Ralph Stirling <
ralph.stirl...@wallawalla.edu>
a position signal linuxcnc is
capable of reading for feedback.
Todd Zuercher
P. Graham Dunn Inc.
630 Henry Street
Dalton, Ohio 44618
Phone: (330)828-2105ext. 2031
-Original Message-
From: Ralph Stirling
Sent: Thursday, October 21, 2021 11:14 PM
To: emc-users@lists.sourceforge.net
Subject
We are digging into a 2002-vintage Denso 6-axis robot,
with a Linuxcnc conversion in mind. The joint motors
on this robot appear to have Panasonic encoders with
a four wire interface and a fair amount of circuitry
inside each encoder. I suspect that these are the same
as the ones in this EEVblog
t it in a mill,
> >
> > clamp the shaft and cut 5mm off
> >
> > Just don't bang on shaft and you will be sweet.
> >
> > I would definitely not take them apart that's a headache
> >
> >
> > On Mon, 18 Oct 2021, 18:12 Ralph Stirling, <
>
I just got a great deal on three 750w brushless servos and drives to upgrade my
cnc mill. They have the same face dimensions, but the shafts are 5mm longer
than the old brush servos. There was no clearance between the motor shaft and
ball screw inside the coupler, so I need shorten the 32mm
I wish that the polyjet resin printer technology would
reach the consumer market. We were given a Stratasys
Eden 500V polyjet printer last year (originally a $200K
machine), and it lays down 16 micron thick layers with
42 micron horizontal resolution. Parts are solid. Build
envelope is huge
That's Sam Sokolik's specialty. He has a number of amazing
youtube videos of his experiments. Here is his channel:
https://www.youtube.com/user/samcoinc/videos
-- Ralph
From: ken.stra...@gmail.com [ken.stra...@gmail.com]
Sent: Monday, September 20, 2021
A lot of very high resolution, and older encoders have
sine wave gratings, which give sine and cosine waveforms
on the A and B channels. These are connected to an
interpolator box that contains A/D converters and logic
to generate quadrature pulses. The higher the interpolation
ratio, the lower
I'm having trouble figuring out which FPGA I/O pins
are connected to tx0, rx0, tx1, and rx1 for the two
RS422 connectors on the 7c81. I don't see any of
those pins in the UCF file, so they must be tied to
gpio somewhere else. Grepping for TX0 in the *_34.vhd
pin files seems to give a variety of
This might inspire some of you.
https://www.wittenstein-us.com/zero-backlash-galaxie-gearbox/
-- Ralph
___
Emc-users mailing list
Emc-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/emc-users
This may not help you in this situation, but for connecting wiring
in the #26-#22 range, especially small steppers, I like using
TE/Amp MTA-100 IDC connectors. I watched ebay for a while
to get a crimper at a reasonable price, but these have been
reliable for me and super fast to install. The
I've also been hoping to see this appear in a Linuxcnc update,
as it has been worked on by a number of people for years.
Here are the most recent threads about jerk-limited trajectory planning:
https://forum.linuxcnc.org/24-hal-components/40152-jerk-limited-trajectory-planner-hal-component
of the work to set up a spindle pwm pin.
Thanks.
Dave
On Fri, Aug 13, 2021 at 5:21 PM Ralph Stirling <
ralph.stirl...@wallawalla.edu> wrote:
> PWM *is* analog (0 to 1.0). In hal, you would connect motion.analog_out
> (syntax likely wrong, going by memory) to a pwm value input. That
PWM *is* analog (0 to 1.0). In hal, you would connect motion.analog_out
(syntax likely wrong, going by memory) to a pwm value input. That would feed
the M67 value to your pwm.
-- Ralph
On Aug 13, 2021 2:09 PM, Dave Matthews wrote:
CAUTION: This email originated from outside the Walla Walla
To elaborate a little more, your description sounds a bit like G42 cutter
compensation, described in
https://linuxcnc.org/docs/2.8/html/gcode/tool-compensation.html .
-- Ralph
On Aug 2, 2021 6:12 AM, Ralph Stirling wrote:
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Cutter compensation enabled?
On Aug 1, 2021 7:26 PM, John Dammeyer wrote:
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system.
The milling operation was set up to always be climb milling. Zero point for the
center hole and the outside perimeter was the same.
in they'll use it on another job.
On Wednesday, July 28, 2021, 6:28:32 PM MDT, Ralph Stirling
wrote:
I just got my inspection report by email. The inspector
couldn't even remember that it was a mill, and called it
a "lathe". He references RCW 19.28 and WAC 296-46B-903.
I
om outside the Walla Walla University email
system.
Replace mill with UL approved saw or similar for $100 off CL (if you
don't already have one). Call for inspection.
On 7/28/21 2:14 PM, Ralph Stirling wrote:
> I'm in a bind now. I just had the electrical wiring I put
> into my garage sho
I'm in a bind now. I just had the electrical wiring I put
into my garage shop inspected. The WA state inspector
liked my wiring fine, but balked at the non-UL-listed
CNC mill (the main point to my whole garage shop project).
He insists it get stamped by one of the *seven* official
"approved
This is like a drag knife control. I recall people doing that
with Linuxcnc before. I think your angle would just be
atan2(y velocity, x velocity).
-- Ralph
From: Leonardo Marsaglia [ldmarsag...@gmail.com]
Sent: Friday, July 23, 2021 10:46 AM
To:
=yVawLltfijQM9irSWA5u4itOsojduY3L%2BeCcaT5BfjU%3Dreserved=0
On Fri, Jul 16, 2021, 3:49 PM Ralph Stirling
wrote:
> No mapps on the Dura. The NVX has mapps. Are you in
> Davis? Our NVX was serial number 1, donated from Davis.
> They bought our Haas TM-1 as a trade-in and shipped us
> the NVX. Only tech suppo
Ralph Stirling
wrote:
> This Dura is a 2007 model. I haven't tried G20 since
> we first got it going, so don't recall exactly what the
> issues were, but remember being very startled when
> all the offsets were suddenly wrong when G20 was called.
> Solution was instant and tota
%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000sdata=%2FpEs5khf51sB%2Bo3s2qOcL6ri5AKPL%2BbHHMNQOWG9F98%3Dreserved=0
On Fri, Jul 16, 2021, 2:21 PM Ralph Stirling
wrote:
> I forbid G20 on the Mori Duraturn in my lab for that exact reason. It has
> a Fanuc 0i-TC. I figure 21st century engineering students should dev
I forbid G20 on the Mori Duraturn in my lab for that exact reason. It has a
Fanuc 0i-TC. I figure 21st century engineering students should develop some
feel for metric measurements anyway. Just to be safe I also require G21 on our
Mori NVX mill even though it uses a Mits control that handles
Did you get any of the options for that SV01? I really appreciate your reviews.
-- Ralph
On Jul 9, 2021 11:14 AM, Bruce Layne wrote:
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system.
On 7/9/21 9:05 AM, Gene Heskett wrote:
> I also priced the pro version of
It'll be a few days, but I'll send you the original 2.7 hal file and the
converted file, along with some notes.
Thanks!
-- Ralph
On Jul 2, 2021 5:37 PM, andy pugh wrote:
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On Thu, 1 Jul 2021 at 01:38, Ralph
be.
Todd Zuercher
P. Graham Dunn Inc.
630 Henry Street
Dalton, Ohio 44618
Phone: (330)828-2105ext. 2031
-Original Message-
From: Ralph Stirling
Sent: Thursday, July 01, 2021 3:25 PM
To: emc-users@lists.sourceforge.net
Subject: Re: [Emc-users] four axis foam cutter 2.8 config
[EXTERNAL EMAIL
as expected, but
axis.y.pos-cmd changes while joint.2.pos-cmd does
not. So something is broken in joint-axis code for
the XY;UV geometry.
-- Ralph
From: Ralph Stirling
Sent: Wednesday, June 30, 2021 5:20 PM
To: emc-users@lists.sourceforge.net
Subject: four axis
I upgraded our 4-axis hotwire foam cutter to 2.8
recently, and have not been able to get it running
again yet. The auto conversion doesn't seem to
be quite sufficient for foam cutter configurations.
I now have homing on all four axes working (XY;UV),
but once homing is finished I can't jog U or
I read a very interesting article on Hackaday this
morning about the "Secondary Memory Interface"
on the Pi. This is a little-known (poorly documented)
alternative pin set on the GPIO header that enables
a bus-type i/o with up to 18 data bits, 6 address lines,
read and write, and DMA request, all
A 7i92 could run twelve steppers full speed. You load the logic configuration
you want ("bitfile") for your application. It could have the same pinout as
your parallel port to plug right into your existing breakout, but run your
steppers much smoother and faster.
-- Ralph
On Jun 13, 2021
Good point. The OpenBuilds motion controller is another $200.
That pendant Rafael linked could probably be easily interfaced
to Linuxcnc instead of the OpenBuilds motion controller if one
wanted.
The OpenBuilds motion controller is in a nice little box with
pluggable screw terminals on the
Don't want to fuel any flame wars, but this kind of solution is probably fine
for generic desktop cnc routers with steppers. Grbl even has jerk limited
trajectories. As soon as you get out of that stock 3 or 4 axis space and want
to have tool changers, servos, non-cartesian machines, lathes,
It does take a bit more fiddling to get everything going on the Rpi 4B, but it
seems to run pretty nicely once done. I don't have experience using it with a
7i76e, as most of us use it with the $45 7i90. If you don't need hardwired
ethernet for communication with the 4B, then you can
I don't think this is his problem, since his rpi Linuxcnc talks to the 7i92
just fine. Only mesaflash is having trouble.
Is there any difference between a 7i92 and a 7i92h? I have a straight 7i92
with one 2x13 and one db25.
Have you tried explicitly specifying --addr 192 168.1.121?
-- Ralph
Old version of mesaflash perhaps?
On Jun 11, 2021 10:06 AM, John Dammeyer wrote:
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system.
> From: Ralph Stirling [mailto:ralph.stirl...@wallawalla.edu]
>
> I have no problem using 192.168.1.1 for eth0 on pi4
I have no problem using 192.168.1.1 for eth0 on pi4 with 7i92.
On Jun 11, 2021 9:30 AM, Sam Sokolik wrote:
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That would be something to try.. Maybe mesaflash doesn't know how to
handle the 192.168.1.1 ip
Did you set a static ip for the pi in /etc/dhcpcd.conf? It worked for me after
I did this.
-- Ralph
On Jun 10, 2021 8:02 PM, John Dammeyer wrote:
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system.
Peter Wallace and I have been working on getting the Pi4 to
om outside the Walla Walla University email
system.
On Thu, 10 Jun 2021, Ralph Stirling wrote:
> Date: Thu, 10 Jun 2021 19:22:20 +
> From: Ralph Stirling
> Reply-To: "Enhanced Machine Controller (EMC)"
>
> To: "Enhanced Machine Controller (EMC)"
> Sub
The man page for hm2_rpspi indicates that multiple SPI
cards may be connected to a single pi4, using the spi_probe
parameter to which SPI port and chip enable line should
be used for each card. Has this been found to work well?
I have an application that needs two 7i90hd's, and I will
be making a
The only 64 bit OS for Rpi is still in bera, so you would have to work hard to
find it and install it. I dug around last week to verify that. The "v7l" in
the image name and in uname -a is for 32bit.
-- Ralph
On May 4, 2021 5:37 PM, John Dammeyer wrote:
CAUTION: This email originated from
present.
I'll go ahead and place an order for a 7i84 and
you can stick the 7i97 in as well, so I'll pay for
your shipping too. Still a fabulous deal!
Thanks again!
-- Ralph
From: Ralph Stirling
Sent: Sunday, April 25, 2021 1:35 PM
To: Enhanced Machine
Can't turn down a deal like that! I only need three analog channels.
Thank you!
-- Ralph
On Apr 25, 2021 1:22 PM, "Peter C. Wallace" wrote:
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system.
On Sun, 25 Apr 2021, Ralph Stirling wrote:
> Date
Getting back to my Realmeca C2 mill retrofit now.
I'm giving up getting the Fagor 8050 control going,
so plan on retrofitting with LCNC.
I'd like to use ethernet to a NUC-type computer.
I'm looking at this chain of boards, but am not
sure about compatibility of some:
Mesa 7i94 eight-port
pugh [bodge...@gmail.com]
Sent: Thursday, April 22, 2021 1:55 AM
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] Questions about Axis tweaks with .axisrc
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system.
On Thu, 22 Apr 2021 at 05:10, Ralph
Oh yea, and one more:
3) How do I make my new button gray out
before E-stop is released?
-- Ralph
From: Ralph Stirling
Sent: Wednesday, April 21, 2021 8:53 PM
To: emc-users@lists.sourceforge.net
Subject: Questions about Axis tweaks with .axisrc
I am
Thrust bearings at the ball screw ends perhaps?
-- Ralph
From: Todd Zuercher [to...@pgrahamdunn.com]
Sent: Monday, April 12, 2021 7:48 AM
To: Enhanced Machine Controller (EMC)
Subject: [Emc-users] Worn Ball Screw?
CAUTION: This email originated from
Now that I have GladeVCP going again on my Rpi
(after removing QtVCP and GladeVCP and
reinstalling Gladevcp), I've got a widget question.
I'm wanting a speedcontrol widget that I can either
increment/decrement the value with the arrow
buttons, or type in a new value directly. I suspect
this
I seem to be plagued by things that I thought I had working
but which now do not. The current one is gladevcp.
I have Raspbian installed on a 3B+, with Linuxcnc 2.8.1
and an RIP install of 2.9.0-pre available.
Glade-3 is version 3.8.6
Python is 2.7.16
The HAL components and pixmaps are
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