On Tue, 5 Dec 2023 at 13:22, Leonardo Marsaglia wrote:
> I'm attaching a picture of the X axis motor so you can see. I guess it
> should be possible to control it, but I don't really know how the encoder
> works. I know there's a Hostmot encoder module for Fanuc but I don't know
> anything about
On Fri, 1 Dec 2023 at 18:53, Chris Albertson wrote:
>
> I ran Fusion360 for a long time on Linux. It’s easy, just install a virtual
> machine and run Windows on the VM and Fusion on Windows.
I wonder if this would work, to run the Mac version?
https://www.darlinghq.org/
--
atp
"A motorcycle
On Thu, 23 Nov 2023 at 20:42, Ryan McIntosh wrote:
>
> If you are going to clamp a metal disc with anything, use an
> electromagnet.
Maybe re-purpose parts of a car air-conditioning clutch.
(I am sure that these have loads of applications, as they can clamp
and release while rotating, though
On Wed, 22 Nov 2023 at 19:15, Roland Jollivet wrote:
>
> Interesting, and it looks rigid enough for real work..
>
> https://www.youtube.com/watch?v=4r4_uo6ZrAE
> https://www.youtube.com/watch?v=ztW4JIbLSMs
Quite a clever idea for machines with closed controllers and no easy
way to provide motor
It looks like it might be possible (but external power supplies need
to be added)
https://www.youtube.com/watch?v=G5VOzO_ERTM
--
atp
"A motorcycle is a bicycle with a pandemonium attachment and is
designed for the especial use of mechanical geniuses, daredevils and
lunatics."
— George Fitch,
On Wed, 8 Nov 2023 at 07:52, Thomas J Powderly wrote:
> In this method the wire is reused,
> it is wound onto a drum , which has to reverse.
A long time ago I had the use of an abrasive wire saw that worked on a
similar principle.
One of these, in fact, or the 1980s predecessor.
On Tue, 7 Nov 2023 at 16:08, fxkl47BF--- via Emc-users
wrote:
> the upgrade did a kernel upgrade
> linux-image-5.10.0-19-amd64 -> linux-image-6.1.0-12-amd64
Ah.
This is a Debian thing, different kernels tend to bring in different
libc6 dependencies (this is why the Buster 2.9.1 RTAI deb isn't
On Tue, 7 Nov 2023 at 14:29, fxkl47BF--- via Emc-users
wrote:
>
> i have two systems i use to run linuxcnc sim
> both are debian 11, bullseye
> i installed linuxcnc 2.9 on both and it worked perfectly
How did you install linuxcnc and from where?
> last night i ran apt update, apt upgrade on one
On Mon, 6 Nov 2023 at 19:10, Ray Henry wrote:
>
> a Debian release is referred to as "Boolworm." Is this a typo
Yes, just a typo.
--
atp
"A motorcycle is a bicycle with a pandemonium attachment and is
designed for the especial use of mechanical geniuses, daredevils and
lunatics."
— George
On Mon, 6 Nov 2023 at 19:40, Scott Harwell via Emc-users
wrote:
>
> Screenshot of error
Did you add the archive signing key?
What does ls /usr/share/keyrings show?
--
atp
"A motorcycle is a bicycle with a pandemonium attachment and is
designed for the especial use of mechanical geniuses,
On Mon, 6 Nov 2023 at 16:36, Scott Harwell via Emc-users
wrote:
>
> Andy,
> What about the move from 2.9.0 pre1 to 2.9.1. I don't see anything about
> that.
If you got the 2.9.0pre from Debian then the installer script should
update the repository links and add the keys. At that
On Sun, 5 Nov 2023 at 00:39, andy pugh wrote:
>
> LinuxCNC 2.9.1 has been released
I should have put these links in the original email.
http://linuxcnc.org/docs/stable/html/getting-started/updating-linuxcnc.html
http://linuxcnc.org/docs/stable/html/getting-started/getting-linuxcn
> On 5 Nov 2023, at 20:15, John Dammeyer wrote:
>
> How does one update the Pi4 apt sources to 2.9-uspace ?
The script at www.LinuxCNC.org/linuxcnc-install.sh should do much of it.
___
Emc-users mailing list
Emc-users@lists.sourceforge.net
> On 5 Nov 2023, at 08:39, Thomas J Powderly wrote:
>
> Install Debian Buster (Debian 12), amd64 verison
I am not going to have access to a PC today.
Could someone else do this? (And fix the verison misspelling too)
___
Emc-users mailing
> On 5 Nov 2023, at 05:03, John Dammeyer wrote:
>
> How does one upgrade a Pi4 running LinuxCNC without building the OS from
> scratch?
Have you updated the apt sources to 2.9-uspace ?
___
Emc-users mailing list
Emc-users@lists.sourceforge.net
> On 5 Nov 2023, at 05:01, Thomas J Powderly wrote:
>
> W: Skipping acquire of configured file '2.9-uspace/binary-i386/Packages' as
> repository 'http://buildbot2.highlab.com/debian buster InRelease' does not
> seem to provide it (sources.list entry misspelt?)
That’s Seb’s buildbot. Nothing
authors:
ALatSMT Alec Ari Alexey Starikovskiy Alex Lait alkabal Allan Nordhøy
Ambr Enzs Andreas Christoffersen André Litfin Andrew Downing
andrewheeler82 Andrew Kyrychenko Andrii Podanenko andy pugh Arvid
Brodin Asle Næss Benson Muite Billy Soto Bob Bond Bruno Lualdi Bryce
Johnson ButterflyOfFire
https://www.beagleboard.org/blog/2023-11-02-beaglev-fire-announcement
I don't know how usable it will be for LinuxCNC, as I don't know if we
can compile for RISCV.
Also, I don't know if it has any video output?
--
atp
"A motorcycle is a bicycle with a pandemonium attachment and is
designed for
On Wed, 25 Oct 2023 at 14:59, Todd Zuercher wrote:
> Unfortunately no, it only has step/dir or CW/CCW as input options.
Quadrature might still work, but probably isn't to be preferred to step/dir.
Quadrature signals set up as A step and B dir will have B low on
rising edges of A in ne
On Wed, 25 Oct 2023 at 13:27, Todd Zuercher wrote:
> I was reading the manual for the new drive I was planning to use in my next
> build and see that the drive calls a preference of a 50% duty cycle for step
> pulse inputs.
Does the drive have an option to use quadrature signals? The Mesa
On Thu, 12 Oct 2023 at 19:19, andrew beck wrote:
> And also the fact that Linux CNC was showing t3 when t3 was the one loaded.
>
> Even though the code had gone past the t4 command
If you can find a recipe to recreate the issue then perhaps there is a
way to investigate what's going on.
--
On Thu, 12 Oct 2023 at 10:33, andrew beck wrote:
>
> No we pushed cycle stop changed a offset by 0.01mm waited 2 minutes then
> restarted whole program from beginning.
Could your observations be explained by the toolchanger position not
being what the system thought it was?
What sort of
On Thu, 12 Oct 2023 at 02:41, andrew beck wrote:
> We stopped it and then changed a wear offset and it ignored the toolchange
> and tried to machine with t3 instead of changing to t4.
Was this with run-from-line? (You say that you stopped it)
Which line did you run from?
--
atp
"A motorcycle
On Tue, 10 Oct 2023 at 10:48, Marius wrote:
> It seems that halcompile has issues in master. it does not recognize a
> .c file as legitimate and if you rename that to .comp it gets an error
>
> ValueError: not enough values to unpack ( expected 2, got 1)
That error is because there is no ;;
On Mon, 2 Oct 2023 at 15:41, Todd Zuercher wrote:
> What I think I would do is build a multi chambered box similar to a car
> muffler,
Or, in fact, a car muffler
--
atp
"A motorcycle is a bicycle with a pandemonium attachment and is
designed for the especial use of mechanical geniuses,
On Mon, 2 Oct 2023 at 11:53, Roland Jollivet wrote:
>
> Just wondering, why would there be limit of 50?
Previously the whole tool-table was sent periodically in an NML
message and those are of limited size.
That's not the case now, though. And I don't think that there is any
limit currently.
On Fri, 29 Sept 2023 at 13:52, andy pugh wrote:
> It's not clear to me if it's now _really_ broken, or whether that is
> what you are trying to do?
I left the wrong link in. I was referring to this one:
https://www.youtube.com/shorts/rJxvGKUHJAs
--
atp
"A motorcycle i
On Fri, 29 Sept 2023 at 13:36, Sam Sokolik wrote:
> > https://www.youtube.com/watch?v=ZYMcPxqabAo
It's not clear to me if it's now _really_ broken, or whether that is
what you are trying to do?
--
atp
"A motorcycle is a bicycle with a pandemonium attachment and is
designed for the especial
On Thu, 28 Sept 2023 at 13:38, wrote:
>
> PCI Express!
Does that mean it can work with PCIe Mesa cards?
--
atp
"A motorcycle is a bicycle with a pandemonium attachment and is
designed for the especial use of mechanical geniuses, daredevils and
lunatics."
— George Fitch, Atlanta Constitution
On Thu, 28 Sept 2023 at 03:13, wrote:
>
> there
> is no hostmot2-firmware package available. Is there a repo I can add
> that is the official source for this?
Probably not for Debian 12. It makes no sense for us to upload that to
Debian (if they would even want it) as the LinuxCNC version of
On Thu, 28 Sept 2023 at 08:28, wrote:
> And i issue the MDI command when the machine is on and homed. I did this
> using classicladder,
Another option that springs to mind would be a Python userspace component.
On first loading it would load the last-loaded tool from a file
(possibly the .VAR
On Mon, 25 Sept 2023 at 02:16, gene heskett wrote:
> However, in cross checking what I write, it is NOT the homed state of A
> that changes the behavior! Its the homed state of ALL the axis's
> that controls this behaviour. And I can unhome A, and the slow response
> is back, so its the ALL
On Sun, 24 Sept 2023 at 12:18, gene heskett wrote:
> > But I really don't understand why any system would need to be homed before
> > it could run full speed.
It shouldn't.
> That could be the setting combination at work. IDK which set of limits
> it uses when unhomed vs homed.
Joint limits
On Sat, 23 Sept 2023 at 22:42, John Dammeyer wrote:
>
> Andy,
> Just curious since we have the same harmonic drive and STMBL for the 4th axis
> what max velocity and acceleration are you using.
I just checked, and the numbers are very modest. 100 deg/sec and 250
deg/sec accel
On Sat, 23 Sept 2023 at 13:41, gene heskett wrote:
> MAX_VELOCITY= 360.000
> MAX_ACCELERATION= 12000
v^2 = u^2 + 2as
for 360 deg/sec and 12000 accel the overrun on stopping will be v^2 /
2a = 5.4 degrees.
Also it's possible that your PID is limiting the responsiveness, or
On Sat, 23 Sept 2023 at 00:26, gene heskett wrote:
> So why can't I get a decent decel while homing it?
What is the [JOINT] Accel (rather than [AXIS] and what accel is used
by the stepgen?
--
atp
"A motorcycle is a bicycle with a pandemonium attachment and is
designed for the especial use of
On Thu, 21 Sept 2023 at 01:07, John Dammeyer wrote:
> The original ERROR is also still there.
Which LinuxCNC version?
--
atp
"A motorcycle is a bicycle with a pandemonium attachment and is
designed for the especial use of mechanical geniuses, daredevils and
lunatics."
— George Fitch, Atlanta
On Wed, 20 Sept 2023 at 23:36, John Dammeyer wrote:
> E: Unable to locate package python-gst
Maybe python3-gst ?
sudo apt-cache search python-gst
Gives python-gst-1.0
So you could try that too.
--
atp
"A motorcycle is a bicycle with a pandemonium attachment and is
designed for the especial
On Wed, 20 Sept 2023 at 18:33, gene heskett wrote:
> Do I need to do a separate addf "gpio read" and "gpio write" on a 5i25?
Not normally. The functions exist in case you are trying to do
bit-banging in a base thread.
--
atp
"A motorcycle is a bicycle with a pandemonium attachment and is
On Wed, 20 Sept 2023 at 06:47, John Dammeyer wrote:
> PYGST libray not installed?
> is python-gstX.XX installed?
> Not sure how to solve the above error.
Install python-gst, either with the synaptic package manager, or sudo
apt-get install python-gst
> Pin
On Mon, 18 Sept 2023 at 19:05, John Dammeyer wrote:
> For the touch screen AXIS isn't really the best UI. I'm looking for
> suggestions for a better one and how to incorporate it.
Try them all? In many cases all you need to change is the DISPLAY = in the INI.
I use Touchy, which is a
On Thu, 14 Sept 2023 at 18:06, Thomas J Powderly wrote:
> '{:.2f}' this format pattern didnt
> work using ENTITY :-(
Maybe the ENTITY name needs to be different from the tag name?
--
atp
"A motorcycle is a bicycle with a pandemonium attachment and is
designed for the
On Sat, 16 Sept 2023 at 11:17, Thomas J Powderly wrote:
>
> I see the question is wrong
I thought it must be, you don't use halcompile with a Python HAL component:
http://linuxcnc.org/docs/stable/html/hal/halmodule.html
Using .comp (C) I think that "option userspace" is sufficient, I don't
On Tue, 12 Sept 2023 at 14:18, gene heskett wrote:
> Do we have a way to print man pages?
>
> I need a hard copy of hostmot2.9.gz
They are all available online, so you could print the web page.
http://linuxcnc.org/docs/2.9/html/man/man9/hostmot2.9.html
--
atp
"A motorcycle is a bicycle with
On Sun, 10 Sept 2023 at 19:14, gene heskett wrote:
> net sidxdir <= abs_encdir.sign => sdiridx.in-edge
What are you trying to do? in-edge sets which edge the edge detector
responds to. Do you really want to change that in realtime?
--
atp
"A motorcycle is a bicycle with a pandemonium
On Sat, 9 Sept 2023 at 02:01, gene heskett wrote:
> > What is the datatype of your mux2?
>
> float ack the man 9 page
Use mux_generic instead, that supports all datatypes.
--
atp
"A motorcycle is a bicycle with a pandemonium attachment and is
designed for the especial use of mechanical
On Fri, 8 Sept 2023 at 17:07, gene heskett wrote:
> Now I've another data missmatch, since when is a "not" not a true/false
> invertor? I can't feed it into a mux2 in for the sample to hold???
What is the datatype of your mux2?
Works for me:
andypugh@rm-one:~/linuxcnc-dev$ halrun
halcmd:
On Fri, 8 Sept 2023 at 12:30, gene heskett wrote:
> The problem is the analog i/o sample_hold, I need the digital equ so I
> don't have to do a jillion S32-float conversions.
I don't know why sample-hold is only S32, it would be much more useful
if it was configurable.
However, you can fake a
On Wed, 30 Aug 2023 at 10:58, gene heskett wrote:
> if I enable another stepgen, it
> replaces pwmgen.1
Not usually, unless you mean "if I replace the FPGA firmware with one
with a different pin assignment"
> Is there now a way around this axis order limitation so I can actually
> define it
On Tue, 29 Aug 2023 at 05:39, Thomas J Powderly wrote:
>
> Has the move towards python3 broke old configs that import hal?
Can you use Python3 instead?
--
atp
"A motorcycle is a bicycle with a pandemonium attachment and is
designed for the especial use of mechanical geniuses, daredevils and
On Tue, 15 Aug 2023 at 14:08, Jean-François Simon wrote:
> May i ask a question, what's the common status about specialized PLC
> that supports high performance languages like C/C++
In the context of LinuxCNC it wouldn't make much sense to use a PLC
which runs C. You would just create a HAL
On Tue, 15 Aug 2023 at 11:16, John Dammeyer wrote:
> I'd guess that if the spindle encoder is such that on each servo period
> event, that if the position of the encoder isn't electrically determined by
> another encoder edge, then a calculated value based on where the system
> thinks it
On Tue, 15 Aug 2023 at 01:11, John Dammeyer wrote:
> It's why I'm filtering. And yes. I agree, at this slow a speed I suspect
> what I will find is two different velocities reported from edge to edge.
Rigid tapping uses the encoder-position, not the encoder velocity.
(And I wouldn't suggest
On Mon, 14 Aug 2023 at 20:57, John Dammeyer wrote:
> What I found is that it moved in short spurts.
Are you using straight encoder position, or position-interpolated?
(this might not be an option depending on what is counting the encoder
pulses)
--
atp
"A motorcycle is a bicycle with a
On Fri, 11 Aug 2023 at 16:41, gene heskett wrote:
> Same thing here Andy. but now I don't have the rest of this planets
> languages installed, so how do I tell dpkg-buildpackage to build OMLY
> english, utf-8 docs, Its (make-buster-debs) dying on the .de docs now.
It's probably easie
On Fri, 11 Aug 2023 at 14:09, gene heskett wrote:
> XPASS: Passed, but was expected to fail
The buildbot log says the same thing. But oddly, the final status is:
..Note: Using POSIX non-realtime
..Runtest: 257 tests run, 257 successful, 0 failed + 0 expected, 3 skipped
--
atp
"A motorcycle
On Thu, 10 Aug 2023 at 22:48, alanmthomason--- via Emc-users
wrote:
> 2. For the test that fails, interp/m98m99/12-M99-endless-main-program.
> a. does everyone else see this test succeed?
It's passing on the buildbot in the Pi. We don't run a Beaglebone worker.
On Tue, 8 Aug 2023 at 09:06, Marius wrote:
> I am trying to install and upgrade but all the files that are downloaded
> from the linuxcnc.org server seem to take forever and eventually time
> out. Is there a problem or must I look elsewhere?
There may be something going on. I tried to download
On Fri, 4 Aug 2023 at 01:48, alanmthomason--- via Emc-users
wrote:
>
> Hi There.I'm trying to work through setting up linuxcnc on a beaglebone
> black. I've run the latency-test, with results that are not looking
> good.has anyone else run this test with a Beaglebone black? Is there any
> way
On Fri, 4 Aug 2023 at 17:50, John Dammeyer wrote:
> I ask because I also have a 1GB Pi4 with a MESA 7i92H as a desktop play toy.
> I think the 1GB is a bit small for LinuxCNC but so far it has worked. I'm
> not sure whether support for LinuxCNC on the PI4 has also gone by the wayside?
1GB
On Wed, 2 Aug 2023 at 17:51, Thomas J Powderly wrote:
> Is there an explanation of gpiod?
It's a replacement for the sysfs interface for gpio (which hal_pi_gpio
uses, for example).
There is an article about it here:
https://lloydrochester.com/post/hardware/libgpiod-intro-rpi/
I have a
On Thu, 3 Aug 2023 at 00:31, Sam Sokolik wrote:
> I have been pretty busy with life. - is it going to be updated at some
> point?
That seems to be hard to do.
> it did work for me - and I am not doing trivial stuff...
The only very serious bug I know of at the moment is:
On Sun, 30 Jul 2023 at 19:59, Sam Sokolik wrote:
> apt-get installed linuxcnc-uspace and was up and running within a few
> minutes after copying my configs..
It's probably worth mentioning that you get a fairly old snapshot of
LinuxCNC this way, dating from February.
--
atp
"A motorcycle is a
On Wed, 2 Aug 2023 at 02:13, alanmthomason--- via Emc-users
wrote:
> 2. When I perform the configure, is there a way to specify the BBB?
> I'm trying to figure out how the compile process would bring in
> src/hal/driver/hal_bb_gpio.c
It might be automatic, the modules should be built for
On Fri, 28 Jul 2023 at 15:26, condit.alan--- via Emc-users
wrote:
>
> I built linuxcnc 2.9 from scratch on my RPi4-8GB (Debian 12.1) When I tried
> to install it, it reported that the new install would break the install of
> Linuxcnc 2.9. Do I have to uninstall 2.9 before I can install the
On Tue, 11 Jul 2023 at 23:13, gene heskett wrote:
> I also have a problem with the $1000 limit, even if my total intake in
> the last 2 decades is under 50 bucks for stuff I've done for OP. With
> today's prices, 10 G's would be a limit I might tolerate, but really, I
> have no intentions of
On Wed, 5 Jul 2023 at 20:11, Dave Matthews wrote:
>
> Fusion 360 is still free for personal use. The limit is $1000 in sales.
> The do defeature some parts like rapids in tool paths.
I have read that, but the G-code it produces for me still contains G0 moves.
--
atp
"A motorcycle is a bicycle
On Sat, 8 Jul 2023 at 21:31, John Dammeyer wrote:
> sudo apt-get install linuxcnc
> It reported an error
> E: Unable to locate package linuxcnc
It's actually linuxcnc-uspace
(Maybe it shouldn't be any more, but I guess we are stuck with that now)
--
atp
"A motorcycle is a bicycle with a
On Thu, 6 Jul 2023 at 02:59, Todd Zuercher wrote:
>
> Any one installed Debian 12 and running Linuxcnc on a machine?
I recently did a clean install on my Macbook (I can now dual-boot
simultaneously: https://photos.app.goo.gl/jEjzzJmjDVqouQh79 )
It went very smoothly. I downloaded the ISO, put
On Wed, 5 Jul 2023 at 13:14, Les Newell wrote:
>
> In my experience winding the acceleration up rapidly runs into the law
> of diminishing returns with increased vibration and in the case of
> steppers a higher risk of losing steps.
Yes, that's the point where it is as high as it can be. However
On Wed, 5 Jul 2023 at 12:28, Les Newell wrote:
> Due to the shape of the trajectory it has to be done as a series of
> short G1 XYZA moves. Without lookahead these short linear moves really
> slow down movement.
Are the machine acceleration limits as high as they can be? That
should help
On Wed, 5 Jul 2023 at 09:17, wrote:
> The problem I have is that because 4th axis is rotary motion on my
> setup, the way the angular rotation speed is handled means the rotary
> axis rotates at a very slow speed (a fraction of what the G1 linear
> speed would be).
This isn't related to the
On Tue, 4 Jul 2023 at 22:50, Sam Sokolik wrote:
>
> He is not saying it doesn't work...
Actually, he did say that.
--
atp
"A motorcycle is a bicycle with a pandemonium attachment and is
designed for the especial use of mechanical geniuses, daredevils and
lunatics."
— George Fitch, Atlanta
On Tue, 4 Jul 2023 at 18:34, Marius wrote:
> The problem seems to be that our trajectory planner lack the ability to
> look ahead for any rotary axis. This means that a coordinated move that
> includes a rotary move will be dysfunctional at best.
It's not as bad as that.
There is a 9-axis
On Mon, 3 Jul 2023 at 21:25, condit.alan--- via Emc-users
wrote:
>
> I had to invert the direction on all of my axises to get it working like it
> used to.
Swapping the DIR wires on a bipolar setup is a reasonable way to
invert an axis. But it's possibly not idea for the step pins as the
On Sun, 2 Jul 2023 at 17:12, Thomas J Powderly wrote:
>
> i saw a youtube video with a twist on the epoxy machine frame
>
> https://www.youtube.com/watch?v=eAe3TlsVKcc
Stefan used to be regularly on the LinuxCNC IRC, though I have not
seen him there recently.
He's LinuxCNC-adjacent :-)
--
On Tue, 27 Jun 2023 at 16:08, fxkl47BF--- via Emc-users
wrote:
> > I think that some sort of coupling between the engine and the
> > alternator will be needed, but this only needs to be stiff in torsion,
> > and in one direction.
> > I think I would use a sheet metal strap.
>
> are you saying
On Tue, 27 Jun 2023 at 15:42, fxkl47BF--- via Emc-users
wrote:
> the alternator is hanging with the two vertical rods to prevent rotation
I think that some sort of coupling between the engine and the
alternator will be needed, but this only needs to be stiff in torsion,
and in one direction.
I
On Sun, 25 Jun 2023 at 10:36, John Dammeyer wrote:
> The plate can't be thick enough to hold both the encoder and threads for
> screws and still have the encoder disk mount to the back shaft.
I would use countersunk screws from the motor side, with nuts to hold
the encoder to the plate, then
On Sun, 25 Jun 2023 at 04:31, John Dammeyer wrote:
> Is there any reason I can't clamp the motor in a vice and pop in two holes
> and tap them with a bottom tap at the spacing of the mounting flange?
I have done it in-situ, but there really isn't all that much metal in there.
I think pulling
On Thu, 22 Jun 2023 at 15:09, Nicklas SB Karlsson wrote:
>
> If I got it right trochoidal tool path is for milling slot with mill
> diameter slightly smaller than slot and address the problem with large
> tool engagement. Have not being thinking about a slot,
I am not sure if "HSM" and
On Thu, 22 Jun 2023 at 14:05, Nicklas SB Karlsson wrote:
>
> Had some problems with machining in corners, tool wobbling. Trying to
> learn more about it I stumbled upon document with constant tool
> engagement angle. Concept is keep length of tool peripheral which is the
> length teeths machine
On Fri, 26 May 2023 at 01:51, BRIAN GLACKIN wrote:
> More modern cements originate from work by Aspdin (sp) from Leeds
That appears to be the correct spelling:
https://en.wikipedia.org/wiki/Portland_cement
--
atp
"A motorcycle is a bicycle with a pandemonium attachment and is
designed for the
On Mon, 22 May 2023 at 11:26, Les Newell wrote:
>
> I think the OP is referring to a function on some robot arms where the
> drives apply enough torque to counterbalance the weight of the arm while
> not trying to hold position. This allows you to grab hold of it and
> manually move it around. I
On Sun, 21 May 2023 at 21:53, theman whosoldtheworld
wrote:
>
> a curiosity: when the cobots press the freedrive button, they use
> torque sensors such as ? on an admittance based control or just add
> and subtract torque to the loop in torque control?
I think that we need more context to even
On Sun, 21 May 2023 at 23:57, BRIAN GLACKIN wrote:
> During ww2 they made lathes bodies out of concrete with imbedded steel
> parts that were jigged in form or line bored for the spindle and tail
> stock.
More info here:
On Thu, 11 May 2023 at 17:54, Todd Zuercher wrote:
>
> Might it be simpler to remake both screws and change the knurled locking
> screw to a more conventional thread?
Yes, but I don't think the average Rivett owner would sleep easy
knowing that part of their lathe had the wrong thread :-)
--
On Thu, 11 May 2023 at 18:49, Moses McKnight wrote:
> A quick search for #10-30 turned up several links in the US, but I assume
> shipping to the UK should not be too bad?
>
> https://www.victornet.com/detail/TAST-10-30.html
"Not accepting export orders (and also have a $25 minimum)
>
On Thu, 11 May 2023 at 17:42, John Dammeyer wrote:
>
> Possibly just make a tap?
I don't think that I can make one good enough, and strong enough, to
tap this depth in multiple tool-steel parts.
--
atp
"A motorcycle is a bicycle with a pandemonium attachment and is
designed for the especial
The Rivett 608 lathe has knurled screws to lock the micrometer dials.
These are quite long, going down the centre of the feedscrew and
pushing out a radial wedge.
I am making some new feedscrews and have realised that these screws
are threaded 0.190" x 30
This is probably #10-30 though 3/16 is
On Sat, 29 Apr 2023 at 12:00, andy pugh wrote:
>
> I can probably make it that weekend, but don't want to commit just yet.
> (I haven't looked at travel options yet)
>
Flights are surprisingly cheap, and the hotel looks reasonable, so I have
moved my name to "will
On Sat, 29 Apr 2023 at 12:00, andy pugh wrote:
>
> I can probably make it that weekend, but don't want to commit just yet.
> (I haven't looked at travel options yet)
>
Flights seem cheap enough. Do you have the details of the nearby hotel?
(That turned out to be comparable
On Fri, 28 Apr 2023 at 17:27, Petter Reinholdtsen wrote:
>
> PS: I am not subscribed to the mailing list, please keep me on CC for
> any replies.
I can probably make it that weekend, but don't want to commit just yet. (I
haven't looked at travel options yet)
--
atp
"A motorcycle is a
On Tue, 25 Apr 2023 at 16:07, gene heskett wrote:
>
> I'm with Todd, confused.
I imagine he is looking for something like the Clearpath integrated
motor/drivers:
https://teknic.com/products/clearpath-brushless-dc-servo-motors/
Unfortunately it seems that you can have NEMA23 or 150V but not
On Thu, 20 Apr 2023 at 02:21, Sam Sokolik wrote:
>
> https://photos.app.goo.gl/uqdkdMuDpp8oACy3A
That's really nice, though I think it might have worked just as well with
the bottom open and a circular bore?
--
atp
"A motorcycle is a bicycle with a pandemonium attachment and is designed
for
I have just pushed a feature branch (andypugh/mesa_modbus) to the LinuxCNC
github.
It uses the Mesa FPGA UARTs (specifically pktUART) to offer real-time
modbus connection directly to a Mesa card.
Docs are here:
On Tue, 18 Apr 2023 at 16:14, Todd Zuercher wrote:
>
> So is RTAI currently supported in 2.9?
Yes and no. It is possible to compile and run 2.9 and master on RTAI
but not to build packages (or not the last time I tried)
This is due to this commit:
On Mon, 17 Apr 2023 at 17:33, Todd Zuercher wrote:
> Is RTAI still going to be supported in Linxcnc versions 2.9+?
I hope so.
--
atp
"A motorcycle is a bicycle with a pandemonium attachment and is designed
for the especial use of mechanical geniuses, daredevils and lunatics."
— George Fitch,
On Fri, 14 Apr 2023 at 10:29, Nicklas SB Karlsson wrote:
>
> Anyone have any suggestion about this? Decrease ramp angle?
>
Can you spiral down, making a hole slightly less than twice the tool
diameter, so that only one side of the tool is engaged?
--
atp
"A motorcycle is a bicycle with a
On Sun, 2 Apr 2023 at 18:30, hubert wrote:
I would appreciate recommendations on sources of custom castings.
It's helpful to be able to make your own patterns. Castings are cheap (I
pay about £10 / kg for one-offs) but pattern-making is expensive.
However, 3D-printing has made pattern making
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