On 9 May 2012 15:33, gene heskett ghesk...@wdtv.com wrote:
However, for a bare motor, $115 shipping is a decent price. I could
eventually be interested in using one to replace the 300 watter on my mini-
lathes spindle, but one project at a time.
I am not sure that that motor is brushless,
On 9 May 2012 16:19, Mark Cason farmerboy1...@yahoo.com wrote:
The place I got this one just sent ~50 of them to the scrap yard last
week...
Did they say which scrap yard?
--
atp
The idea that there is no such thing as objective truth is, quite simply, wrong.
On 9 May 2012 15:52, gene heskett ghesk...@wdtv.com wrote:
G76 doesn't use the velocity, it just looks at position. There is no way
that that can be varying enough to cause your issue. Have you linked
encoder.position or encoder.position-interpolated?
I used velocity.
Where? If you have
On 9 May 2012 16:16, Mark Cason farmerboy1...@yahoo.com wrote:
I've been messing around with steppers for a few years now, so I know
next to nothing about servos. What all is needed to run one?
If it is brushless, then you need some way to tell the drive where the
rotor is, so that it can
On 9 May 2012 17:51, dave dengv...@charter.net wrote:
I've seen P values as low as 15 and as high as 600 FF1 values from 18
(ugh) down to -0.01.
The parameters are not unitless, so will vary even on identical
hardware between mm and inch machines, and depending on whether the
pwmgen is
On 9 May 2012 17:38, John Thornton bjt...@gmail.com wrote:
That's the job of the infeed module to take the 3 phase 380vac and
create 600vdc. Are you saying ditch all that and roll my own DC power
supply and connect it to the DC buss for the drives?
That's an interesting idea. I guess the first
On 9 May 2012 18:21, Peter C. Wallace p...@mesanet.com wrote:
Torque mode needs little FF1 and lots of D as effectively it must create the
velocity part of the loop from D
Or you can stack two PID loops in HAL.
--
atp
The idea that there is no such thing as objective truth is, quite simply,
On 9 May 2012 18:35, John Thornton bjt...@gmail.com wrote:
Mains Phase Converter [ Step Up Transformer Reactor Infeed Module
(Power supply) drives via DC buss Servos]
I think that the reactor is to keep your mains clean, which is
probably a job adequately handled by the rotary converter.
On 9 May 2012 22:58, Jeshua Lacock jes...@3dtopo.com wrote:
Aha! There is no port number specified.
I added the port and it loads fine now, thank you!
I wonder if the original card also works fine with the port address put in?
--
atp
The idea that there is no such thing as objective truth
On 10 May 2012 09:44, Lester Caine les...@lsces.co.uk wrote:
Perhaps I've been lucky, but I've never seen the download page 'compromised'
That is because the site was compromised in such a way that it served
different content to Googlebot than to consumer web browsers.
What completely baffles
On 10 May 2012 05:37, Mark Cason farmerboy1...@yahoo.com wrote:
http://www.flickr.com/photos/46689581@N03/7168795700/in/set-72157629660267772/
Doesn't look like a Hall sensor, quite possibly a magnetic quadrature
sensor, but maybe just a tachometer.
Looking at the bed construction, is the idea to use it with a vacuum
hold-down system?
--
atp
The idea that there is no such thing as objective truth is, quite simply, wrong.
--
Live Security Virtual Conference
On 10 May 2012 15:10, Steve Stallings steve...@newsguy.com wrote:
These links then present
the desired junk pages when clicked on in the
search results
No, the links always go to the correct LinuxCNC page. I have _tried_
to find the spam sites.
--
atp
The idea that there is no such thing as
On 11 May 2012 21:49, Viesturs Lācis viesturs.la...@gmail.com wrote:
1) is there a way to do manual tool touch-off during manual toolchange
in a middle of g-code file?
Not yet. I think there is enough momentum now that there will be in
the next major release.
2) can somebody suggest me a
On 12 May 2012 01:18, Dave e...@dc9.tzo.com wrote:
It sounds like the reactor is interacting with the capacitors on your
phase converter (resonating).
Now that's an interesting idea.
Not having the reactor in the system may cause a lot of extra current
through the capacitors on your phase
On 12 May 2012 15:15, k...@gmail.com kliegelmach...@gmail.com wrote:
There is a bit of talk on some machine shop forums, arguments perhaps, that
retrofitting a machine is a waste of time.
I think it depends on what you mean by retrofitting.
Converting a manual machine probably does't make much
On 12 May 2012 23:03, Tux Lab project.tux...@gmail.com wrote:
Used cnc machines are so common and fairly inexpensive, retrofitting
with EMC doesn't make that much sense once you factor in the amount of
time it take to do a retofit.
Are you talking about retrofitting LinuxCNC to a used CNC
On 13 May 2012 12:04, charles green xxzzb...@yahoo.com wrote:
wire electric discharge cutting?
I was thinking that might be the easiest approach for low volume.
How many of these do you need to make? And what is the budget?
As far as I know the only way to make internal gears is by shaving
On 13 May 2012 13:38, charles green xxzzb...@yahoo.com wrote:
primitive clock gears were cut from wood by hand,
One of Harrison's wooden clocks is still running, just short of 300 years later.
http://www.bbc.co.uk/bradford/content/articles/2009/04/06/nostell_john_harrison_feature.shtml
--
atp
On 13 May 2012 20:34, Viesturs Lācis viesturs.la...@gmail.com wrote:
which means that nobody owns
it and thus there is nobody to hold responsible for something. That is
the only drawback of opensource I have seen so far.
You can sell this as a feature, in some ways. If there is a problem
then
On 13 May 2012 21:12, Roger Holmquist ro...@abcnc.se wrote:
1) differential analogue ports: in 4, out 4 ,resolution 12 bits,
sample rate 10 Ms / s
That might be tricky, what's the application?
--
atp
If you can't fix it, you don't own it.
http://www.ifixit.com/Manifesto
On 13 May 2012 22:43, charles green xxzzb...@yahoo.com wrote:
has anyone ever heard of a ball worm?
I have seen one developed by a college urology department, which is
slightly scary.
--
atp
If you can't fix it, you don't own it.
http://www.ifixit.com/Manifesto
On 13 May 2012 22:48, Roger Holmquist ro...@abcnc.se wrote:
1) differential analogue ports: in 4, out 4 ,resolution 12 bits,
sample rate 10 Ms / s
That might be tricky, what's the application?
Well, I know there is at least one analogue control signal in one of the
lathes for the spindle
On 14 May 2012 00:51, dave dengv...@charter.net wrote:
http://www.logicsupply.com/categories/power_supplies/dc_converters?gclid=COeJt5m4_q8CFSIHRQodoQGGHA
I've been looking at the power supplies in the above link. Does anyone
have experience, recommendations, etc. Further what are people
On 14 May 2012 06:00, charles green xxzzb...@yahoo.com wrote:
i wonder, in the ball worm mechanism, why not make the worm engagement happen
over more like a quarter of the diameter of the gear.
This can be done, to an extent, with conventional worms, but it gets a
bit difficult as eventually
On 14 May 2012 13:41, Dave e...@dc9.tzo.com wrote:
There were/are some manufacturers of hydraulic cylinder driven milling
machines.
I used to drive a servo-hydraulic tensile-testing machine. The
actuator was extremely stiff and extremely fast. And _extremely_
expensive.
That particular one used
On 14 May 2012 20:51, Stuart Stevenson stus...@gmail.com wrote:
I had two MHP machines. MHP = M(oog) H(ydra) P(oint)
Interesting:
http://www.lathes.co.uk/bridgeport/page18.html
--
atp
If you can't fix it, you don't own it.
http://www.ifixit.com/Manifesto
On 15 May 2012 07:29, Viesturs Lācis viesturs.la...@gmail.com wrote:
If I cannot get the flexible bearings, then there is option of
eccentric discs as a wave generator.
You could probably dismantle a normal bearing, machine down the races
to make them much thinnner, and then press them onto an
On 15 May 2012 10:42, charles green xxzzb...@yahoo.com wrote:
the discreet spline teeth are also an approximation. in fact, anything made
out of atoms is flexible and grainy. why not construct mechanisms from
massless rigid rods and such?
I think Viesturs has a point about the sides being
On 12 May 2012 00:11, Viesturs Lācis viesturs.la...@gmail.com wrote:
The problem is that they do not have the tools for 0,5 module,
smallest they have is 0,7. But with ~124 mm pitch diameter the tooth
count changes from 247 to 177, which significantly reduces the
reduction ratio - from
On 15 May 2012 11:04, charles green xxzzb...@yahoo.com wrote:
i dont see why to care what any part aside from the engagement area is doing
Now I think about it some more, I think you might be right.
The cup is probably a little stiffer with the edge fully restrained,
but I don't think the
On 15 May 2012 13:28, Viesturs Lācis viesturs.la...@gmail.com wrote:
No, those flexible bearings actually are _required_ to be flexed for
normal operation . They even specify a range of min and max ovality -
(D-d)/2 = 1,2...1.6mm (D and d - large and small diameters of elipse)
for flexible
On 15 May 2012 17:02, Kent A. Reed kentallanr...@gmail.com wrote:
insmod: error inserting Invalid module format into your favorite
search engine. Both Google and Bing point me to pages that discuss this
message and its cause (mismatch of kernel and module).
Which asks the question, Was the
On 16 May 2012 08:54, Mike Bennett mjb1...@gmail.com wrote:
I'd also edited the machine INI file which I knew would be overwritten, so
I'll create a new file next time and load this in the INI file, so I only
have one file to maintain.
I am of the opinion (whilst accepting the validity of
On 16 May 2012 01:25, Tux Lab project.tux...@gmail.com wrote:
but has SMI spiking
issue. I am hoping the latency spiking issue can solved
You have seen: http://wiki.linuxcnc.org/cgi-bin/wiki.pl?FixingSMIIssues ?
--
atp
If you can't fix it, you don't own it.
http://www.ifixit.com/Manifesto
On 16 May 2012 02:40, Terry Christophersen tcninj...@yahoo.com wrote:
I forgot that it says [xx.xxx] pnpbios: dev_node_info function not
supported
[xx.xxx] pnpbios: unable to get node
info
Is this you:
On 16 May 2012 20:28, Terry Christophersen tcninj...@yahoo.com wrote:
I will try the linux only method
Can you boot from the LiveCD, or do both boot and install fail?
--
atp
If you can't fix it, you don't own it.
http://www.ifixit.com/Manifesto
On 17 May 2012 02:26, Chris Morley chrisinnana...@hotmail.com wrote:
Andy you should qualify that with the point that you wouldn't use stepconf
right
from the beginning ! :)
Starting from scratch with a stepper machine I probably would, actually.
But I doubt I will ever be doing that again.
On 17 May 2012 08:02, Speaker To-Dirt speaker_2_d...@yahoo.com wrote:
I'm running EMC2 v2.3.5 on Ubuntu 8.04. Yes it's obsolete
but the atom board on my mill won't run under Lucid (10.04).
You can run 2.5 (and master) on 8.04. LinuxCNC versions are not linked
to Ubuntu versions.
M6 T1
G00
On 17 May 2012 11:43, John Thornton bjt...@gmail.com wrote:
Pretty impressive for DIY, too bad they don't know anything about
straightening wire... those lead in rollers are totally wrong if their
intention was to straighten the wire on that plane.
Which lead-in rollers?
I have watched the
On 18 May 2012 15:29, Dave Engvall dengv...@charter.net wrote:
About a year ago I acquired a D510M0.
...
After trying many times (insanity) to get the 510 to install 10.04/2.5 (live)
I have a D510MO running 10.04 and 2.5 (and 2.4, and 2.6).
I installed from USB stick. I don't know if that
On 18 May 2012 19:38, Eric H. Johnson ejohn...@camalytics.com wrote:
I am using the coordinate systems as a means of getting multiple tools
offset in X and Y from each other so they can land on top of each other.
You _could_ do that with tool offsets in the tool table. (I think).
All tools
On 18 May 2012 19:41, Tux Lab project.tux...@gmail.com wrote:
I insmod the rtai_smi.ko module but I am still getting that ~64sec
latency spiking. lax max is usually less than 10K but spikes to
160k.
Latency spike every 64 seconds? Sounds exactly like SMI to me.
On 19 May 2012 02:40, Jon Elson el...@pico-systems.com wrote:
Anyway, the G10 L2 Px adds an offset from the CURRENT machine position,
Are you sure about that? That isn't what the docs say. G10 L2
shouldn't consider the current position at all, it should simply
define the offset between machine
On 20 May 2012 17:07, charles green xxzzb...@yahoo.com wrote:
LCNC is statistically bound to be an infringement. licenced chiropractic
nurses cooperative
You can always rely on chiropractors to abuse the legal system and sue.
On 20 May 2012 17:40, Rafael Skodlar ra...@linwin.com wrote:
I wonder what kind of power and data cables would you recommend for use
in X-Y-Z CNC about 1.2mx1m size?
The size of the machine is not the most relevant thing, though a
bigger machine will might need bigger power cables to keep the
On 21 May 2012 09:26, Jeshua Lacock jes...@3dtopo.com wrote:
Can you tell me what exactly is the goal? Do I want the P as high was
possible while keeping it stable?
The goal is the best achievable stable servo response. The PID terms
need to be whatever achieves this, but the target is very
On 21 May 2012 22:28, Viesturs Lācis viesturs.la...@gmail.com wrote:
And how do they call those sub-tool-holders?
Possibly Live tooling
--
atp
If you can't fix it, you don't own it.
http://www.ifixit.com/Manifesto
--
On 21 May 2012 20:51, Eric H. Johnson ejohn...@camalytics.com wrote:
T3 M6
G43 H3
I never use the H-number, it is only useful for applying the offset of
a non-loaded tool to the loaded tool.
Though I doubt that is your problem.
--
atp
If you can't fix it, you don't own it.
On 22 May 2012 02:04, Terry Christophersen tcninj...@yahoo.com wrote:
I never use the H-number, it is only useful for applying the offset of
It may be not useful in LinuxCNC but I guarentee you 90% + of the mill
programs in the world use it
Well, yes, but we are using LinuxCNC.
--
atp
If you
On 22 May 2012 07:53, Rafael Skodlar ra...@linwin.com wrote:
Using Cat-5 was a surprise to me as it's a bit stiff unless each wire is
made of even smaller wires, not common in general use.
There is solid stranded for fixed installation and stranded for patch cables.
On 22 May 2012 11:30, Mark Wendt mark.we...@nrl.navy.mil wrote:
I'd give my left you-know-what for a shop that size.
It would be difficult to keep warm enough to work in.
--
atp
If you can't fix it, you don't own it.
http://www.ifixit.com/Manifesto
On 21 May 2012 20:51, Eric H. Johnson ejohn...@camalytics.com wrote:
Per the Setting Coordinate Systems thread, I converted from using
coordinate systems (G54-G59.3) and setting the offsets with G10 L2, to using
the offsets specified in the tool table. Mostly it worked without a problem.
The
On 22 May 2012 15:01, Claude Froidevaux men...@bluewin.ch wrote:
Basically, the concept is to use the motor encoder for high frequency
information (Derivative term of the PID), and the glass scale for the
Integrator term. Things start to get complex for the P term.. it may be
a mix of both,
On 22 May 2012 19:28, Chris Radek ch...@timeguy.com wrote:
It has just occurred to me that it might be possible to combine tacho
and command voltages completely in the analogue domain for these
machines?
Isn't this exactly what velocity mode servo amps do?
Almost certainly. But I just
On 22 May 2012 21:33, Jack Coats j...@coats.org wrote:
On Tue, May 22, 2012 at 7:07 AM, charles green xxzzb...@yahoo.com wrote:
a whole robot to swap tools: the prelude to an opera of the waking
maintenace nightmare.
In the video it gets perilously close to smacking an expensive bit of
live
On 22 May 2012 22:17, Kent A. Reed kentallanr...@gmail.com wrote:
While Ubuntu Linux 10.04 can be installed, functionality is limited and
hardware graphics acceleration does not work. Because there are no
drivers for the PowerVR graphics chip, the OS uses the generic VESA
driver for X.org,
On 23 May 2012 07:08, Jeshua Lacock jes...@3dtopo.com wrote:
I am guessing there is not an easy way to detect this condition,
It should be possible to check if your PID is saturated for more than
a second or so.
loadrt debounce cfg=3
addf debounce.0 servo-thread
setp debounce.0.delay 1000 #1
On 23 May 2012 06:35, Claude Zervas cla...@utlco.com wrote:
Just wondering if someone might know why LinuxCNC interprets the G04
dwell command parameter as seconds instead of milliseconds?
The glib answer is because that is how the programmer coded it. I
suspect that the G04 code has been
On 23 May 2012 12:25, charles green xxzzb...@yahoo.com wrote:
U and X can't be used as these are axis position commands.
isn't T one of the modern coordinate axes as well?
No, the axes are ABC UVW XYZ.
T is tool number.
(and acts as a standalone command, changing the value of tool-prepare
I wonder if there is any use for a touchscreen tablet as a remote/pendant?
A friend of mine is trying to push these:
http://www.amazon.co.uk/Fineslate-Capacitive-Ice-cream-Sandwich-Facebook/dp/B007L9YZP4/ref=sr_1_1?s=computersie=UTF8qid=1337766725sr=1-1
--
atp
If you can't fix it, you don't own
On 23 May 2012 15:12, Mark Wendt (Contractor) mark.we...@nrl.navy.mil wrote:
Ebay. Look for Montagues, lower end Heddons, Horrocks-Ibotson (sp?) and
Looks to be two bs in Ibbotson.
http://www.ebay.com/itm/350560285513
--
atp
If you can't fix it, you don't own it.
On 23 May 2012 15:19, dave dengv...@charter.net wrote:
Les Watts had some interesting shock absorbers on his router.
Half-inch threads on the cylinder with about .75 travel on the plunger.
They are reasonably standard components.
http://www.slamproof.co.uk/Industrial-Shock-Absorbers
Though not
On 23 May 2012 16:52, Eric H. Johnson ejohn...@camalytics.com wrote:
Andy,
I am not sure I am the one to best answer this.
My question is, do named external subroutine files need to end with '%'. If
I include a '%' at the end of the file, on rerunning I get an error:
Bad character '%' used.
On 23 May 2012 15:06, Kent A. Reed kentallanr...@gmail.com wrote:
I got as far as bringing up my own custom build of Linux with a cut-down
X, but then it got taken up as a display for my grandkids
This looks vaguely interesting in this context:
On 24 May 2012 00:23, Yishin Li y...@araisrobo.com wrote:
Releasing HDL of the FPGA design is another issue. IMHO, it doesn't help
too much for the development by releasing the HDL source code. AFAIK, the
hostmot2 logic is only maintained by mesa; there is no community for
developing it yet.
On 24 May 2012 00:37, Claude Zervas cla...@utlco.com wrote:
According to The NIST RS274NGC Interpreter, version 3, NISTIR 6556
(2000), section 3.5.4, the G04 parameter 'P' is in seconds...
there you have it.
Yes and no. Because NIST wrote EMC…
--
atp
If you can't fix it, you don't own it.
On 24 May 2012 02:42, gene heskett ghesk...@wdtv.com wrote:
Does anyone have any links in their bookmarks that might give me a 'rule of
thumb' at least for BP nipples using #209 primers? I have the 2nd one at
the all the cylindrical work done stage, and so far a single #74 drill
(0.0235) in
On 24 May 2012 07:50, Steve Blackmore st...@pilotltd.net wrote:
LinuxCNC - not using the H value loads the offset for the current tool.
Mach3 - not using the H value sets the tool offset to zero !
Eeek!
Well, there is something lurking to catch me out in a big way if ever
I try using Mach.
On 24 May 2012 17:53, Kirk Wallace kwall...@wallacecompany.com wrote:
an Aurdino like processor could measure the voltage and current on each
phase and switch capacitors in or out as needed.
With 8 capacitors in a binary sequence you could have 256 different
levels of capacitance (on top of a
On 24 May 2012 21:26, John Thornton bjt...@gmail.com wrote:
I wonder why they don't publish their prices or show you the open cabinet?
You think there is a man hidden behind the curtain winding the handle
on a rotary converter?
--
atp
If you can't fix it, you don't own it.
On 25 May 2012 11:42, John Thornton bjt...@gmail.com wrote:
Thanks for the price sheet. That is over double what I can get a diesel
generator for around here.
It might be a better / cleaner solution, though. And it might release
some capital if you can sell your existing rotary convertors?
How
I have built a motor.
Internal space is quite tight, so I am using the Avago AEDR8340K
encoder detector
http://uk.rs-online.com/web/p/rotary-encoders/7160604P/
(Also available from Mouser etc). This is a 3mm x 5mm two-channel
quadrature detector. TTL output wires direct to Mesa / Parport / Pico.
I
On 25 May 2012 15:13, gene heskett ghesk...@wdtv.com wrote:
=
For this it gets sticky, because you have 2 choices of how to attach the
scope probes, BOTH of which leave the case of the scope lethally hot,
We had the right tool for the job on a piece of equipment I designed
once (an electric
On 25 May 2012 15:37, Jan de Kruyf jan.de.kr...@gmail.com wrote:
I have made one before with just a piece of photo negative film.
Unfortunately these sensors need a shiny/non-shiny contrast.
I was anticipating using laserprint, but both white and black paper
are equally invisible to the
On 24 May 2012 21:54, Dave e...@dc9.tzo.com wrote:
I just asked them for pricing...and they sent me a price sheet.
Same pricing on eBay: http://www.ebay.com/itm/370557969294
--
atp
If you can't fix it, you don't own it.
http://www.ifixit.com/Manifesto
On 25 May 2012 18:00, Dave e...@dc9.tzo.com wrote:
For only generating 1 phase (the missing leg) they are charging some
serious money for those inverters.
They are doing rather more than a typical inverter drive does. They
create a smooth 3-phase waveform regardless of load.
--
atp
If you
On 25 May 2012 18:39, Peter C. Wallace p...@mesanet.com wrote:
Ahh its a standard kind of thing:
www.mtecorp.com/SineWave_Filter_4pg_Form1214A-2.pdf
The Mesa cards can output a 3-phase PWM. Presumably a lot of the cost
of the PhasePerfect is the control software...
(I also suspect that they
On 25 May 2012 18:57, Peter C. Wallace p...@mesanet.com wrote:
The Mesa cards can output a 3-phase PWM.
With a inverter of any type, a post filter is likely needed so the mill infeed
sees nice 3 phase sine waves rather than
Indeed. And you would need to work voltage-mode too, I assume.
So,
On 25 May 2012 13:09, andy pugh bodge...@gmail.com wrote:
I will get pictures later.
https://picasaweb.google.com/lh/photo/izs9EehSiBmY_omIxaSJBtMTjNZETYmyPJy0liipFm0?feat=directlink
Central diameter is 46mm, there are 512 window/bar combinations, so
2048 counts per rev.
--
atp
If you can't
On 25 May 2012 20:17, John Thornton bjt...@gmail.com wrote:
The infeed unit is a 6SN1145-1BA00-0BA0
This looks like the manual.
http://support.automation.siemens.com/WW/llisapi.dll/csfetch/59401543/PJU_0212_en.pdf?func=cslib.csFetchnodeid=60683460forcedownload=true
There is an interesting
On 26 May 2012 09:26, Jeshua Lacock jes...@3dtopo.com wrote:
I wish I had a magnet implant like this guy that can feel magnetic fields:
Get careless enough with the swarf on your machine and it is likely to happen.
(I have had painful shocks from 5V which has led me to locate bits of
embedded
On 26 May 2012 16:21, lloyd wilson llwilso...@rochester.rr.com wrote:
The velocity output always reports as a negative number
I don't know why it does that, but setting the encoder scale to a
negative number will fix it.
--
atp
If you can't fix it, you don't own it.
On 26 May 2012 21:10, Jeshua Lacock jes...@3dtopo.com wrote:
http://3DTOPO.com/CNC-enclosure.png
Don't judge me too harshly, I was making sure everything works before I
finish tiding things up! Any suggestions would be greatly appreciated!
You could try routing the power and encoder in
On 27 May 2012 05:16, Jeshua Lacock jes...@3dtopo.com wrote:
The drive is dithering at 0.0003 - 0.0006 with the worst spike now at 0.0012.
...
One encoder pulse is 0.0003 on this axis. Would tuning the PID help with the
spikes
You could consider setting the PID deadband to 1 or 2 encoder
On 27 May 2012 17:59, John Thornton bjt...@gmail.com wrote:
I did manage to get two traces last night with a kick start from your
instructions and lots of help from the IRC
One thing that occurred to me is that phase balance on the drive-side
of the reactor is possibly more important than
On 27 May 2012 18:48, Kirk Wallace kwall...@wallacecompany.com wrote:
https://picasaweb.google.com/lh/photo/NivmHU8OuXIcP2EQHUPruNMTjNZETYmyPJy0liipFm0?feat=directlink
Your cabinet looks a lot better than mine, but... I have a thing about
Zip-ties.
Zip ties! How very dare you! That's
On 28 May 2012 09:39, gene heskett ghesk...@wdtv.com wrote:
True, they just wind 3 sets of coils on a 3 legged core. My suggested use
was to convert the delta connected source with its 'wild leg' into a wye
connected source that doesn't have the wild leg because the center of the
wye is now
On 23 May 2012 17:53, Erik Friesen e...@aercon.net wrote:
Really what I'd like is something with quick change tools, but not sure
where to look. I'd like to keep it under $500, but probably wouldn't
happen with quick change.
I am sure I have seen references to cheap ATC spindle motors from
On 28 May 2012 13:26, John Thornton bjt...@gmail.com wrote:
I've been searching for isolation transformer but they all seem to be
480 to 240 or similar. Not had any luck so far on finding a 240-240
transformer.
I think this is close, but isn't exactly 1:1
On 28 May 2012 17:19, gene heskett ghesk...@wdtv.com wrote:
This one is definitely 1:1, but I am not at all clear what terminals it
has.. http://uk.rs-online.com/web/p/auto-transformers/4368861/
And both are auto transformers Andy, and will not fix this problem.
Can you have a 1:1
On 28 May 2012 20:34, Bryce Johnson sie...@gmail.com wrote:
It seems like I lose some flexibility when using gantrykins vs just slaving
the drives together (although I would like to be able to home both X1 and
X2 independently). Is there a way to home the drives and then run it as if
they
On 28 May 2012 22:08, Peter C. Wallace p...@mesanet.com wrote:
Probably a C10 config is no big deal I would just need to know when inputs and
outputs are, and if there is a chargepump, preferred step/dir pins etc
It looks to be an uncommitted breakout, so the physical wires could
be arranged
On 28 May 2012 23:33, gene heskett ghesk...@wdtv.com wrote:
front v-way rising a thou or so to allow this twist before
the flat slide at the rear of the carriage starts moving when the direction
is reversed. My thoughts are to add a couple small ball bearings, spring
loaded against the
On 29 May 2012 06:00, Jeshua Lacock jes...@3dtopo.com wrote:
Is it possible to make those changes to LinuxCNC? In other words, can
LinuxCNC currently command a serial port using those additional M words?
M100-M199 can easily call a shell script, and a shell script can write
to a serial port.
On 29 May 2012 08:48, Joachim Franek joachim.fra...@pibf.de wrote:
I am looking for a solution for the analog a/d part with a resolution of 12
bit
with interface to LCNC (temperatur control of head and bed).
An Arduino is one solution. http://axis.unpy.net/01198594294
Another idea is to use
On 29 May 2012 13:16, John Thornton bjt...@gmail.com wrote:
Well I'll be a monkeys uncle, the step up transformer does have a N lug
but nothing is connected to it.
Do you know if that is on the input or output side? (it should be
possible to test with a multimeter)
I seem to recall that some
On 29 May 2012 14:08, charles green xxzzb...@yahoo.com wrote:
why should one linear axis have a metric that is 2x or 1/2x any of the
others, even on a lathe?
Inserts are described by nose radius, not nose diameter, whereas
milling cutters are described by diameter.
Though, the pedant in my
On 29 May 2012 17:00, John Thornton bjt...@gmail.com wrote:
N to each X is.1 ohm
X to X is .2 ohm
That sounds like the tapping you needed.
I would say earth it, put on rubber boots, rubber gloves and operate
the machine with a long, dry stick :-)
--
atp
If you can't fix it, you don't own it.
On 29 May 2012 17:22, Alex Hunt al...@ieee.org wrote:
I have
a Mesa 5i20 card
…
Sending serial port commands from LinuxCNC
One of the Mesa card functions is a serial UART and I am currently
working on HAL hooks for it.
I should have something usable in the next few days.
--
atp
If you can't
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