Do anyone have experience on lubrication of slide bearings, ball bearings and
such things?
Experience of bad lubrication with destroyed bearings is of particular
interest. References to documentation is also good and in particular scientific
articles.
Regards Nicklas Karlsson
> And a reading list if you have a good local library
> http://www.collection.archivist.info/searchv13.php?searchstr=621.822
>
> Dave Caroline
I read the list and it seems nobody cared about lubrication for like more than
sixty years. It is on the limit the last person who wrote a book about
lu
> On 4/25/2016 9:17 AM, Nicklas Karlsson wrote:
> > Do anyone have experience on lubrication of slide bearings, ball bearings
> > and such things?
>
> My guess is that everyone on this list has some experience with that..
> Can you narrow the subject a bit?
>
On Mon, 25 Apr 2016 15:43:16 +0100
andy pugh wrote:
> On 25 April 2016 at 15:37, Nicklas Karlsson
> wrote:
> >
> > Yes these kind of bearing or whatever it is called used to move spindle or
> > table in CNC machines. High friction I will discover although then high
&
> top plate has a vertical back wall to stop the chips from falling off
> the back of the machine. The chips pile up on the shelf behind the
> active machining area, where they can be easily vacuumed away. Even
> though the Y axis linear rods are well protected from chips and debris,
>
On Mon, 25 Apr 2016 15:52:57 +0300
pyrros...@metrotech-hellas.gr wrote:
> i can send you the whole hal code if you want. I dont know if it is
> correct to send it here as an attachment or somewhere else (for the
> rules of emc-users list).
> There are 2 boards. Each board controls up 3 servo
suggestions on how to
attack it?
Tool table:
M48
INCH
T73 ...
T73 ...
T73 ...
...
Coordinates for each tool:
%
T73
X..Y..
X..Y..
X..Y..
...
T71
X..Y..
X..Y..
X..Y..
...
Regards Nicklas Karlsson
I could issue this G81 commands once and not for each coordinate?
On Mon, 25 Apr 2016 18:15:24 +0100
andy pugh wrote:
> On 25 April 2016 at 17:56, Nicklas Karlsson
> wrote:
> > Do anyone have any suggestions on how to attack it?
>
> An input filter than replaces Tn with
&g
I get problem with tool table setup. I have to comment out "INCH" and are not
able to figure out the T commandd.
M48
INCH
T73 C0.020
T72 C0.058
T71 C0.030
T70 C0.210
T69 C0.036
T68 C0.050
T67 C0.038
T66 C0.040
T65 C0.068
> On 25 April 2016 at 17:56, Nicklas Karlsson
> wrot
ly can't find what C character on the T line should do.
Regards Nicklas Karlsson
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Didn't read carefully enough, got it now.
On Mon, 25 Apr 2016 19:58:47 +0200
Bengt Sjölund wrote:
> http://eng-serve.com/cnc/excellon_gcode.html
>
> Den 2016-04-25 kl. 19:54, skrev Nicklas Karlsson:
> > I get problem with tool table setup. I have to comment out "INCH&
> On 04/25/2016 11:56 AM, Nicklas Karlsson wrote:
> > I am looking at using linuxcnc to drill my circuit boards. There is a few
> > commands in file, a tool table and coordinates. It is not possible run the
> > file directly in linuxcnc. I think this kind of file could b
ters for drilling like feed rate and
others are postponed to later stage.
Nicklas Karlsson
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and vcarve.
>
> It works best to use a ground plane with spokes to all pads, then you
> export using the dxf offset feature, and run those lines right on top.
>
> On Tue, Apr 26, 2016 at 1:04 AM, Nicklas Karlsson <
> nicklas.karlsso...@gmail.com> wrote:
>
> > >
ll step. I however expect smother motion, less noise and not
the least less wear.
Nicklas Karlsson
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sts.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/emc-users
--
Nicklas Karlsson
--
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n problems quickly and
> > > reduces your MTTR. Get your free trial!
> > > https://ad.doubleclick.net/ddm/clk/302982198;130105516;z
> > > ___
> > > Emc-users mailing list
> > > Emc-users@lists.sourceforge.net
>
e.
There is no encoder so real motor might of course miss step.
Then using step with a scale of 1000 which fit with number of decimal places I
also got an offset of one step at least in some circumstances. I use slightly
modified hostmot driver and protocol send step position instead of step
veloci
> >>> FWIW, this tripping of the following error was taking place at the
> >>> exact same speed ( give or take a couple percent ) with the previous
> >>> driver & motor which was set for a /64, and the same step timeings
> >>> and this one is set /8, so no way can I convince myself the problem
> >>
What is JA branch?
On Fri, 29 Apr 2016 11:59:01 -0400 (EDT)
"Todd Zuercher" wrote:
> At some point don't we just need to jump in the pool. Haven't we soaked our
> toes long enough.
>
> Would a switch to JA be a good time to go from Linuxcnc 2.xx to 3? It would
> seem
Simplest to understand would be one program automatically loaded on each USB
stick. With a label on each USB stick a minimum of computer knowledge would be
required.
> I would go with network, but the customer wants USB flash. They are not
> very computer-savy. I wish to help them to find bet
If you have problem with PWM signal generation there are plenty of cheap
micro controller development board available although protocols may be
worse. I guess it could be an idea to search m-codes for "professional"
laser cutters or maybe reuse codes usually used for spindle.
2016-04-30 3:48 GMT+0
Finally I start to get together both hardware and software including generator
for my EDM machine.
I work with electronics and are new to mechanical machining and EDM in
particular. Do anybody know if anything more than adaptive feed rate including
backwards have been done for EDM?
Nicklas
o's was a thread cut
> in a file. ;-) There is a massive thread on emc_dev about feed and gap
> control. Also you might
> want to contact Steve Stallings as he did some work on a board some
> years ago.
> HTH
>
> Dave
>
> On 04/30/2016 01:32 PM, Nicklas Karlsson w
Which continent?
On Mon, 2 May 2016 11:27:28 -0500
bari wrote:
> Anyone else interested in having another this year?
>
> Any ideas where to hold it? Are there any other events this summer with
> overlapping interests?
>
>
>
> -
current.
Problem is circumvented by a properly sized capacitor in parallel to limit
voltage rise during turn off.
Nicklas Karlsson
On Tue, 3 May 2016 09:54:32 +0100
andy pugh wrote:
> On 3 May 2016 at 02:51, Jon Elson wrote:
>
> > You should very conservatively derate the SSRs
> On 3 May 2016 at 10:14, Nicklas Karlsson wrote:
> > If Solid State Relay SSR happen to be a thyristor it will only allow a
> > limited dv/dt or it will fail to turn off. A common source of dv/dt is
> > inductive or maybe capacitive load and it happens because a thyristor
On Tue, 3 May 2016 12:47:08 +0100
andy pugh wrote:
> On 3 May 2016 at 12:18, adit bhargava wrote:
> > Hello All,
> > Please let me know how can I set the values of 'Signal frequency' to PWMGEN
> > from my AXIS EMC GUI ?I changed the 'Intervallcontrol.xml' to add the
> > options in GUI for 'Sig
> On 03.05.16 11:42, andy pugh wrote:
> > On 3 May 2016 at 10:41, Nicklas Karlsson
> > wrote:
> > > In other words i/C should be less than maximum allowed du/dt.
> >
> > I am not sure how to determine the i for this calculation. I guess I
> > can fi
> On 03.05.16 12:14, andy pugh wrote:
> > I could pick a couple of these up today, though it is an 80-mile round
> > trip. I wonder if they would work better?
> > http://www.rapidonline.com/kudom-ksim380d25-l-panel-mount-ssr-4-32vdc-48-440vac-25a-load-led-zero-cross-60-1598
>
> Well, 620v peak oug
> On Tuesday 03 May 2016 04:54:32 andy pugh wrote:
>
> > On 3 May 2016 at 02:51, Jon Elson wrote:
> > > You should very conservatively derate the SSRs
> > > in many circumstances, but especially where capacitive
> > > inrush surge is possible.
> >
> > The PSU is powered through a 20A breaker and
> On 3 May 2016 at 13:20, Nicklas Karlsson wrote:
> > Step generator in mesa hostmot is a speed signal and it output a square
> > wave with varying frequency.
>
> But steplen and stepspace are parameters, so the same problem exists.
> You can change the frequency fr
On Tue, 3 May 2016 13:29:42 +0100
andy pugh wrote:
> On 3 May 2016 at 12:41, Erik Christiansen wrote:
> >
> > The link to SSR precautions indicates that the SSR already includes a
> > snubber. But page 3 of the notes says that is often not sufficient, and
> > suggests a 440 - 470 volt varistor (
> > > If Solid State Relay SSR happen to be a thyristor it will only allow
> > > a limited dv/dt or it will fail to turn off. A common source of
> > > dv/dt is inductive or maybe capacitive load and it happens because a
> > > thyristor turn off at zero current although a reactive load do not
> > >
> > If you need limiting of inrush current I guess a transistor connected as a
> > current source would be the perfect solution for this? Or is it against
> > surge voltage?
>
> The reason I need inrush current limiting is mainly so that the lights
> and fridge stay on when I turn on the lathe :
It might be an unrecognized symbol. A macro may be missing for example if it is
not correctly spelled.
On Wed, 4 May 2016 12:49:13 +0200
giorgio foga wrote:
> At first --compile of my new usercomp for make LCNC server modbus obtain
> this error ... I have really not ideas how to find the s
I have an old server intel Xeon, it is used as a server and I did not try real
time kernel yet. If you happen to come over old servers thrown out it may be
worth a try, even though I have no idea I suspect they are a little bit
different built.
On Sat, 7 May 2016 10:08:17 +0300
Andrew wrote:
ws for one full period of
jitter and it seems to work really well. The steppers are just a small
sidetrack for me so it would probably be a few weeks before I could finnish it
off. The same approach should work equally for servos and as soon as I get a
few hours I will try my servo
> ...
> How reliable is it to just copy the entire installation to a new drive
> on a new (different) machine?
A convenient tool or method for creating an image of the whole installation (OS
and LinuxCNC) and packing it up is probably the choice then installing several
computers of the same kin
end which would be put in the receiving end. It bring peace to mind, now I
should be able to generate a perfect sequence of square pulses or perfect
interpolation between points for servos.
Nicklas Karlsson
stepper.m
Description: Binary data
I have two lamps I should put in roof with M7 screws. The old ones are to short
and nobody sells M7.
On Sun, 8 May 2016 05:54:19 -0400
Gene Heskett wrote:
> On Sunday 08 May 2016 02:59:12 Peter Blodow wrote:
>
> > Gene,
> >
> > M7 screws are as rare as white raven since this thread is only
>
> Probably true, but IIRC they have a minimum order, and I am running out
> of time, ...
You might get lucky if you look at the lamp hook.
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A
> > > Probably true, but IIRC they have a minimum order, and I am running
> > > out of time, ...
> >
> > You might get lucky if you look at the lamp hook.
>
> Lamp hook?
Yes, the lamp hooks in my roof use M7, I need longer screws but nobody sell, it
is this built in kind of plastic box with thre
> On Thu, Mar 24, 2016 at 08:54:56PM -0500, Jeff Epler wrote:
> > The work is on a branch, "[origin/]jepler/master/nml-tcp" and will not
> > make it into a release branch anytime soon.
>
> I changed my mind about this. The branch has now been merged into
> master, so nml-over-tcp may be a working
I have seen a "path" workbench in Freecad but have not been able to try it yet.
On Wed, 11 May 2016 20:26:53 -0400
Erik Friesen wrote:
> I also have been trying out Fusion 360. It has some drawbacks but at this
> point I am willing to put up with them for the CAM package. Importing an
> stl fr
er active development that may be
> farther along i keep seeing subtle changes in the daily builds ppa so
> people are hacking on it and making progress.
>
>
>
>
> On 16-05-12 12:19 AM, Nicklas Karlsson wrote:
> > I have seen a "path" workbench in Freeca
ose' the tool and HAL to cut
> good to hear from you
> tomp tjtr33
>
> On 05/08/16 23:51, Nicklas Karlsson wrote:
> > Just had to finnish stepper decimal point first and should continue with my
> > EDM now. Are the halcmd commands used in your files already part of
>
is not very important since there are simple work
arounds I guess it would be good to think about what kind of cutters there are
and just "motion.spindle".
Nicklas Karlsson
> Nicklas ,
> whats needed for the edm interface , i'll dig into it if needed
> and probably
On Sat, 14 May 2016 23:40:48 +0800
Thomas Powderly wrote:
> nicklas, i use no spindle in sink edm
That't the point. "Cutting" tools I could come up with are: spindle, turning,
EDM, laser cutter, water jet, plasma thorch, 3D printing and I have even seen
sewing on this forum. Motion module have
know/accomodate what you want
> hth tomp tjtr33
>
> i use pyvcp and glade to display my settings read from a file
> inside a panel for linuxcnc
> also to display live values read, like voltage and current
>
> On 05/14/16 00:42, Nicklas Karlsson wrote:
> > It is
Heavy cast iron machines cost money to mould but once in place it is a stable
platform.
On Sat, 14 May 2016 16:56:33 -0400
Bruce Layne wrote:
> Hi Gene,
>
> I have a Grizzly G1006 Chinese bench top mill drill that may be getting
> the slowest LinuxCNC conversion in the world. It cost about $
p tjtr33
>
> i use pyvcp and glade to display my settings read from a file
> inside a panel for linuxcnc
> also to display live values read, like voltage and current
>
> On 05/14/16 00:42, Nicklas Karlsson wrote:
> > It is possible to add things to user interface with gla
python and communicate with the lower levels implemented on an Atmel AVR via
SPI. I have been able to replace AVR code with ordinary *nix system calls for
UART communication. Data is coming out but no answer from real hardware, it is
at exactly this point I got stuck last time I tried.
Nicklas
Well it is rather simple, justice should be paid by those who benefit or
unstable society is created. These kind of laws should be to stop crimes not
confiscate property. Confiscate property is called a fine and unless paid
property could be sold to get money. It should only be allowed to confis
> > To put in another way the goverment should not be allowed to take money
> > for nothing not even from those they claim are criminals because this is
> > what usually is called theft.
> >
>
> A lot of us folks consider taxation the same thing. ;-)
Didn't think about that, that's certainly
get them working right now. In the long run I expect profibus to be
a very useful part of linuxcnc since it is a very common protocol both for
motor control and IO modules.
Observe the difference. raspi-profibus use a module with an AVR micro
controller, pyprofibus use Linux.
Nicklas Karlsson
If maximum speed is to low it take a while to catch up. I guess jog signal have
to be limited to maximum speed.
On Wed, 18 May 2016 08:40:05 +0800
Thomas Powderly wrote:
> is it windup?
> like a queue is filled up with commands and has to drain?
> yes, handwheels should stop when you stop turni
The obvious answer is user have to read manual, it is jog wheel not a run wheel!
If wheel lack break or other support for feed back then user run faster than
speed limit the wheel could slip in software. For a control loop there is a
similar phenomenon called wind up.
Nicklas Karlsson
On
To get a working usually involve exploring there others.
If ground clamp of plasma cutter must be checked every time problems could be
expected every now and then. It is possible to mitigate with proper procedures
as is done for air safety and it work most of the time although it cost money.
Th
In motion module there is a signal "motion.program-line OUT S32".
On Fri, 20 May 2016 12:37:18 -0400
andy pugh wrote:
> On 20 May 2016 at 11:10, Todd Zuercher
> wrote:
> > What I want to know is when a G0 move is finished,
>
> You could look at motion.motion-type
>
> htt
> >>I currently use a MAX485.
>
> So no special hardware like Siemens RS232 to Profibus adapters. That's good.
>
> >>Yes, you could do that. Or write the program in AWL to begin with. :)
>
> I've written and debugged my fair share of AWL... but I can program logic a
> lot faster in LAD.
> I do
se zero development of open source applications.
Nicklas Karlsson
--
Mobile security can be enabling, not merely restricting. Employees who
bring their own devices (BYOD) to work are irked by the imposition of MDM
er or other device.
Raspberry is indeed a very cheap computer with good performance but I always
came to the conclusion a used ordinary computer with a large screen is better.
Nicklas Karlsson
--
Mobile security can be en
well for position control with servos.
Why do I bother. Because then I now signal generation is perfect even though it
may not matter.
Nicklas Karlsson
--
Mobile security can be enabling, not merely restricting. Employees who
ut
any difference on the output. It fit with theory for rate-monotonic or earliest
deadline first scheduling and not the least otherwise I have no good solution
to solve the scheduling problem.
Nicklas Karlsson
--
Mobile
> Hi all,
>
> I'd like to use old X60 and T60 for LinuxCNC. Latenty test gives a jitter of
> about 1500 ns when running for a day with lots of disk aktivity and glxgears.
>
> But as soon as I start axis, I get a realtime error.
I think I have seen similar behavior and it might be a start probl
e the genesis stages of the BBB were being done and
> > reported here...
I think these micro controllers with an ARM core are what is used to generate
control signals in a very large portion of newly developed commercially
available products with speed controlled electric motors. For most pr
I can see the figure but are nor sure I could see the tool marks. Is the wood
dry? Are you feeding to fast?
On Tue, 24 May 2016 10:14:17 -0400 (EDT)
"Todd Zuercher" wrote:
> Anyone know the root cause of tool marks like this? Or better yet how to
> prevent them? The lines
I have seen old multi spindle for sale cheap but not been able to figure any
good use for it. I have suspected there have been good sales person.
On another occasion I could see CNC machine sold "not used since bought from
seller"
On Tue, 24 May 2016 16:07:35 -0500
John Thornton wrote:
> I'v
You could tell your E-mail software to put these E-mails in a separate sub
folder?
On Thu, 26 May 2016 10:24:39 +0200
Fred wrote:
> Hello Chaps
>
> I am looking for a linuxcnc forum to belong to.
>
> I found this mailing list which is sending me dozens of emails every day .
>
> Unfortunately
Yes I have used the 7i80 ethernet protocol for two cards at once. They need to
have different IP and MAC addresses.
On Tue, 31 May 2016 09:36:19 -0400
Rick Lair wrote:
> Good Morning Guys,
>
> I was wondering, is it possible to run 3 7i80HD's off of one PC.
>
> We have an Okuma bridge mill t
There is something callled pyvcp
http://linuxcnc.org/docs/2.4/html/hal_pyvcp.html but I did not yet try it
myself.
On Wed, 1 Jun 2016 11:38:32 + (UTC)
adit bhargava wrote:
> Hello All,
> I want to make a button in Axis GUI (Start/Stop) which should give me TRUE
> value when I press START
Cat?
On Mon, 13 Jun 2016 19:43:08 -0400
Dave Cole wrote:
>
>
> ---
> This email has been checked for viruses by Avast antivirus software.
> https://www.avast.com/antivirus
>
>
> --
> What NetFlow Analyzer can do for
I am running linuxcnc 2.8.0 and use adaptive feed. It is however not possible
with negative values. It works all the way down ot zero motion but no backwards.
I know there is a negative feed rate branch but do anybody know where it is?
Nicklas Karlsson
Found it will try to get into my source.
On Thu, 16 Jun 2016 15:17:18 -0500
sam sokolik wrote:
> I think it is here...
>
> feature/reverse-run-master2
>
> sam
>
> On 06/16/2016 02:24 PM, Nicklas Karlsson wrote:
> > I am running linuxcnc 2.8.0 and use adapt
Yes it is, thanks. I merged it into my local slightly modified version of
master. It stop but no reverse run even though motion.adaptive_feed = -1
There are not to many changes so I expect to nail it down rather fast.
Nicklas Karlsson
On Thu, 16 Jun 2016 15:17:18 -0500
sam sokolik wrote
Merged it with my local slightly modified version of master and with the
correct rip-environment pointing to the copy with feed reverse it works great.
What barriers are there to put it into the master branch in linuxcnc?
Nicklas Karlsson
On Thu, 16 Jun 2016 15:17:18 -0500
sam sokolik
I have real machine but coffecup is more handy during development and at last I
got my coffecup EDM up and running.
https://youtu.be/fBOl_pCkDFA
Nicklas Karlsson
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What NetFlow Analyzer can do for you? Monitors
Then action is normal and not because of bad control loop parameters.
Sparc extinguishing seems to work really well but what bother me is current is
very low although I got no experience of what to expect. I never run a "real"
machine.
Regards Nicklas Karlsson
On Sun, 19 Jun 201
> On 06/19/16 17:55, Nicklas Karlsson wrote:
> > I tried to tune parameters manually but most of the time is spent either in
> > short circuit or open circuit,
> this is called 'hammering'
> it actually works but for a poor reason.
> if the tools is too far away,
ks tomp tjtr33
>
> On 06/20/16 00:07, Nicklas Karlsson wrote:
> >> On 06/19/16 17:55, Nicklas Karlsson wrote:
> >>> I tried to tune parameters manually but most of the time is spent either
> >>> in short circuit or open circuit,
> >> this is called &#
ould you do another screenshot, but add the oscillator ( on & off
> command signal )?
> it would be easier to interpret
> thanks tomp tjtr33
>
> On 06/20/16 00:07, Nicklas Karlsson wrote:
> >> On 06/19/16 17:55, Nicklas Karlsson wrote:
> >>> I tried to tun
P address.
Nicklas Karlsson
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terpret
> thanks tomp tjtr33
>
> On 06/20/16 00:07, Nicklas Karlsson wrote:
> >> On 06/19/16 17:55, Nicklas Karlsson wrote:
> >>> I tried to tune parameters manually but most of the time is spent either
> >>> in short circuit or open circuit,
> >>
.
Regards Nicklas Karlsson
On Fri, 24 Jun 2016 18:15:03 -0700
dengvall wrote:
> I've not played with EDM for quite a while. > 10 years so I've
> forgotten most of what I knew.
> I know of people that used hardware store lantern oil as EDM fluid. If
> it sounds like fryi
time counter is started, there is also possibility I
got something wrong I checked voltage should be about right.
I just added all parameters to protocol, think anyway or is it useful to
measure ignition time?
Regards Nicklas Karlsson
On Sun, 26 Jun 2016 08:20:37 +0200
Roland Jollivet wrote
No I am here but have been busy working on a EDM generator and other hardware,
it is coming fruition right now. I have a few ideas for development machine
start to run which is happening right now, hardware is OK and software is
running.
Nicklas Karlsson
On Sun, 26 Jun 2016 09:22:50 -0400
ness and stability of the edm servo
> tracking )
I try to ignite until successful. Timer is reset then ignited detected by
voltage falling to ionization voltage then on and off times are counted. I
could measure time until ignited, open voltage, seat voltage, current.
Your help been really
to asynchronously sampled signal then no ionization happened since last
measurement. I have set target voltage about to where ionization happens.
Nicklas Karlsson
--
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ndition. Or stable fluid rather.
>
> Regards
> Roland
>
>
> On 3 July 2016 at 20:02, Nicklas Karlsson
> wrote:
>
> > There have been a few days more, I have nailed some problems in my
> circuit
> > and added parameters to EDM protocol generator.
> >
&g
I need to meausure axis scale accurately. Does anybody know a tool to measure
distance between holes or small marks made by a dub?
Regards Nicklas Karlsson
--
What NetFlow Analyzer can do for you? Monitors network
Thanks, didn't think about it. I actually already have two edge finders which
should do the trick.
On Sat, 23 Jul 2016 12:21:21 +0100
Dave Caroline wrote:
> I get around this sort of problem with various forms of travelling microscope
>
> http://www.collection.archivist.info/searchv13.php?sea
To stack voltage sources is almost certainly NOT a good idea. Current sources
would however probably work great. I have seen both current and voltage sources
have been used as battery chargers.
On Sat, 23 Jul 2016 11:58:38 -0400
Gene Heskett wrote:
> On Saturday 23 July 2016 07:19:30 Erik Chri
> > Take care that normal ssr as those (cheaper) i know doesnt like been
> > driving as an igbt :).
>
> Yes, and unfortunately (as already mentioned in another post) SSRs tend
> to short out when failing, unlike contactors. I'm not jet sure what to
> use for my oven, the good thin is, that this
One of my projects https://youtu.be/8P4FJwE8Cio and engraver machining paper.
It may also be used as plotter if pencil is put down.
It use Linuxcnc and hardware I developed myself. Spindle use a BLDC motor and
axis stepper motors.
Nicklas Karlsson
correlation between gap distance and have
not seen it in my measurements.
Regards Nicklas Karlsson
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https
Does anybody here have any experince of the data in the parametrization frame
for profibus?
--
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> > Does anybody here have any experince of the data in the parametrization
> > frame for profibus?
>
>
> All information needed for the SetPrm usually is stored in the GSD file.
> So you just need to know your configuration and select the right data
> from the GSD.
> But there is one important
> Hello Nicklas,
>
> On 08/17/16 00:40, Nicklas Karlsson wrote:
> > I have tried to use voltage to control EDM gap distance but are not sure
> > this is the correct method. I found a paper there someone suggested gap
> > resistance is a non linear function
I once got the parameters for the servos wrong and indeed the whole machined
rocked.
--
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