numbers I can tell you in a few hours.
Thanks as always!
Leonardo.
2013/8/24 Leonardo Marsaglia leonardomarsagli...@gmail.com
Thanks a lot Andy!! As always you're quick and efficient helping other
people.
I'm reading it now, I'll be posting if I have any doubs and if I manage to
try them I'll
buy them really
cheap since they are waiting on a rack to be used.
As always thanks for your support.
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how I feel about it!
Best regards from Argentina.
Leonardo Marsaglia.
2013/6/13 Frank Tkalcevic fr...@franksworkshop.com.au
I started with Mach3, but made bad hardware decisions. I wait for years
for
the G100 to work with Mach3, then I switched to the smooth stepper, but
that
also had
@lists.sourceforge.net
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2013/5/29 Les Newell les.new...@fastmail.co.uk
How fast do you turn the cam while grinding?
Les
On 29/05/2013 13:23, Leonardo Marsaglia wrote:
I do make camshafts for living, and I'm controlling a cam grinder with
LinuxCNC but only for positioning, since the grinder uses a master
will need a reasonably powerful motor to provide the acceleration.
Les
On 29/05/2013 13:36, Leonardo Marsaglia wrote:
About 120 RPM for the first tenths of milimeter, and then 50 rpm for the
last turns to finish it. This machine has no VFD, it uses a two speed
electric motor and I use
expensive servo valve to get that
kind of speed. Big $.
Dave Cole
On 5/29/2013 12:18 PM, Leonardo Marsaglia wrote:
Yes, thinking it fast I assume that a 4 kw servo motor and ballscrew will
do it. Also there's the possibility of using the same hydraulic piston
that
the machine has
servos and they would be perfect for
what you want to do if you can get them with a high enough force rating,
but they are very expensive in longer travels.
Since you have a very short movement range you may want to check on some
pricing.
Dave Cole
On 5/29/2013 12:54 PM, Leonardo Marsaglia wrote
jcyoung...@gmail.com
wrote:
do you have a master cam? if so you could just build a cam duplicator
On Wed, May 29, 2013 at 2:24 PM, andy pugh bodge...@gmail.com wrote:
On 29 May 2013 18:49, Leonardo Marsaglia leonardomarsagli...@gmail.com
wrote:
Anyway I don't see too much
on the rotary axis? Because I need to
do several turns, or do I need to offset the rotary axis to zero right
after the G2 line and make a loop?
Thanks!
2013/3/5 andy pugh bodge...@gmail.com
On 5 March 2013 18:17, Leonardo Marsaglia leonardomarsagli...@gmail.com
wrote:
So what I need to do, is to use
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Make your web
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Buy your Sophos next-gen firewall before the end March 2013
and get the hardware for free! Learn more.
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the firing IC's since the oscilator
is generating a perfect square wave form.
2013/2/10 andy pugh bodge...@gmail.com
On 10 February 2013 22:15, Leonardo Marsaglia
leonardomarsagli...@gmail.com wrote:
based on DIY circuits found on the internet.
I guess you have seen:
http
.
2013/2/10 jeremy youngs jcyoung...@gmail.com
leonardo have you seen this?
http://www.fluxeon.com/Roy1200open.html
there is a mailing list but I had a client problem and havent been
able to resubscribe
On Sun, Feb 10, 2013 at 6:00 PM, Leonardo Marsaglia
leonardomarsagli...@gmail.com wrote
Hello Gene, and thanks for your answer.
I have the circuit in PDF format, would you like me to send it to you so
you can see it?
2013/2/10 Gene Heskett ghesk...@wdtv.com
On Sunday 10 February 2013 19:01:08 Leonardo Marsaglia did opine:
Message additions Copyright Sunday 10 February 2013
/logmein_12329d2d
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2012 01:28, Leonardo Marsaglia
leonardomarsagli...@gmail.com wrote:
I know there are several Cam programs that could mill a lobe, but I think
is better to use nurbs or something like that to generate the toolpath
without using a Cam program, the only tricky thing would be the radius
security and the latest in malware
threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
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2012/8/13 andy pugh bodge...@gmail.com
On 13 August 2012 21:30, Leonardo Marsaglia
leonardomarsagli...@gmail.com wrote:
We've had always the idea to replace the pistons with a ballscrew and
servo
motor, mostly because of the hydraulic system maintenance. But watching
what you've done
andy pugh bodge...@gmail.com
On 14 August 2012 00:48, Leonardo Marsaglia
leonardomarsagli...@gmail.com wrote:
I've only seen low travel LVDTs intended to be used in diameter measuring
and things like that. Do you think a 1000 mm LVDT is possible to
accomplish
without great issues?.
I
-systems.com
Leonardo Marsaglia wrote:
Hello Andy.
That's really good news, if one can use a DIY LVDT that would reduce the
cost drastically.
I've only seen low travel LVDTs intended to be used in diameter measuring
and things like that. Do you think a 1000 mm LVDT is possible
/114/50122263/
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suppliers.
El 25 de abril de 2012 03:18, Andrew parallel.kinemat...@gmail.comescribió:
25 квітня 2012 р. 03:34 Leonardo Marsaglia
leonardomarsagli...@gmail.comнаписав:
Thanks for the information Claude. I'm enough confident to give it a try,
so I think this week or the next one I'm going
:
Hi,
I never used them, but a respectable seller in europe sell them for
typical CN use:
http://www.kinco.cn/html/en/products/ServoStepper/ServoStepper_overview/
Again, I never use them, so, other advice would be welcome.
Le 21.04.2012 03:20, Leonardo Marsaglia a écrit :
Sorry, I meant
if you have any recomendation.
Best regards!
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Boundary is the first to Know...and Tell You.
Monitor Your Applications in Ultra-Fine Resolution. Try
buying new and used Yaskawa servos from eBay.
Jim
- Original Message -
From: Leonardo Marsaglia leonardomarsagli...@gmail.com
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Sent: Fri Apr 20 15:08:32 2012
Subject: [Emc-users] OT: Chinese servo motor
Hello
Sorry, I meant the price is four times the chinese motor+driver.
El 20 de abril de 2012 22:19, Leonardo Marsaglia
leonardomarsagli...@gmail.com escribió:
Thank you guys for your answers. I think I'm going to try these servos,
with analog drivers to close the loop on LinuxCNC.
James, here
Thank you to all of you (as always) for the excelent job!.
--
*Leonardo Marsaglia*.
--
Better than sec? Nothing is better than sec when it comes to
monitoring Big Data applications. Try Boundary one-second
resolution
2012 18:15, andy pugh bodge...@gmail.com escribió:
On 20 January 2012 21:09, Leonardo Marsaglia
leonardomarsagli...@gmail.com wrote:
Thank you Les and Robert for your answers. So, the best option is brushed
DC motors
Brushless are good too, if they come with drives. There are also
generic
is the difference
between AC brushless and DC brushless motors. Sorry If I read your message
wrongly.
El 22 de enero de 2012 20:27, andy pugh bodge...@gmail.com escribió:
On 22 January 2012 23:20, Leonardo Marsaglia
leonardomarsagli...@gmail.com wrote:
I'm curious about the 8i20 card. Does
Thanks Andy again for your help. As always you're very helpful!
Regards.
Leonardo.
El 22 de enero de 2012 21:06, andy pugh bodge...@gmail.com escribió:
On 22 January 2012 23:56, Leonardo Marsaglia
leonardomarsagli...@gmail.com wrote:
Andy thanks for your explaination about the 8i20 card
as always for your help!
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you need and if you already have motors etc i guess..
as when looking at more fancy spec VFDs price does come into play and
servo setup can be had for same sort of price some times..
rob
On 19/01/2012 00:40, Leonardo Marsaglia wrote:
Hello to everybody on this list.
I've been working
...@gmail.com
You will only get the message once per session even if you have latency
problems all day long...
John
On 10/30/2011 6:53 PM, Leonardo Marsaglia wrote:
I have the same behaviour on a machine running steppers even with a mesa
5i20 for the step generation. The problem anyway shows
Andy, I'm reading about the SMI patch right now. I installed a clean copy
of the ubuntu 10.04 live cd with emc 2.4.3 and I really don't know if this
one comes already patched, even more this is the first time I read about
the patch. I've been really busy between college and work and didn't have
told about the SMI patch,
but carefully not have problems that compromise the work pieces.
2011/10/31 Jon Elson el...@pico-systems.com
On 10/31/2011 6:32 AM, Leonardo Marsaglia wrote:
Hello everybody,
I just ran the latency test and the jitter of the servo thread was
800,000
ns!!!.
OK
By the way, tomorrow I will try to identify the motherboard, to recomend
what NOT to use, just in case, may be it's already on the list of hardware
that doesn't work hehe.
Regards.
2011/10/31 Leonardo Marsaglia leonardomarsagli...@gmail.com
Hello again people!
Just ran the latency test on my
I have the same behaviour on a machine running steppers even with a mesa
5i20 for the step generation. The problem anyway shows everytime I start
EMC, then it doesn't appear all day long until the machine is turned off.
I think it's a problem with my motherboard or processor. But, I remember
the
at a fast rate)…
You can get the real time errors if your thread period is too fast for the
hardware.
Tom
On Oct 30, 2011, at 7:53 PM, Leonardo Marsaglia wrote:
I have the same behaviour on a machine running steppers even with a mesa
5i20 for the step generation. The problem anyway
, since this one also has onboard
video, and may be that's causing trouble too.
Thanks as always for your kindness!
Leonardo.
2011/10/30 Jon Elson el...@pico-systems.com
On 10/30/2011 5:53 PM, Leonardo Marsaglia wrote:
I have the same behaviour on a machine running steppers even with a mesa
5i20
Hello everybody,
I've been reading this topic about using two motors to change from a high
speed spindle for turning, to a low speed but high torque C axis to mill
parts, and I think it's a great project to get involved with emc.
I would like to ask about this, because in my head I always think
regards.
Leonardo Marsaglia.
2011/6/14 H J Johnson hjjohn...@sasktel.net
It doesn't matter, the wheel diameter is going to change in time due to use
so it will effect the final part dims, this is why cam grinding requires
multiple passes [one reason].
I've seen machine tools that use lasers
Thank you to all the people involded in EMC! you're helping a lot of people,
not only to make their machines work, but also to learn so much about how to
make them work.
Merry Christmas from Argentina!
Leonardo Marsaglia.
2010/12/23 Andy Ibbotson andyi_w...@btinternet.com
Well chosen words
I just replied in another topic, but whatever.. Merry christmas to you too!
and have a happy a new year!
Best regards.
Leonardo.
2010/12/23 Kirk Wallace kwall...@wallacecompany.com
\+/
+-*-+
/+\M E R R Y
Thanks as always for the really good job, I wish I could have more time to
write here in the mailing list and help at least with the most little thing.
I will try this new version on my laptop to see how it works.
Again thanks to all the people involved in this proyect, and I hope EMC
keeps
, Leonardo Marsaglia leonardomarsagli...@gmail.com
wrote:
The only thing that i have doubts is about the servo motors in the two
axis,
because if they are one phase brushed DC motors, it would be very easy to
adapt them to use it with emc2.
I believe that there are ways to use almost any form
help.
Regards.
Leonardo Marsaglia.
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Hello, i'm interested in that machining center, i'm from argentina and i
would really appreciate if you could help me, i noticed that the bid
finishes in 1 hour so i'm going to place mine.
Thanks in advance.
Regards.
Leonardo.
2010/6/30 Tom kestrel...@yahoo.com
Andy Pugh a...@... writes:
Very nice to read your comment, and i feel guilty sometimes because i don't
have the knowledge or dedication to improve and help more in the EMC2
project, and it's really admirable how the developers take the user's
demands to make EMC2 better and better.
I think is something to thank, because
Sorry for that, i'm not used to the mailing list.
The subject was about using a servo to control the spindle and when required
use it as a C axis, both things with the same motor.
Regards.
2010/5/6 Dale J. Chatham d...@chatham.org
Always a good idea when changing the subject to change the
haha no problem!. i didn't mean to sound serious or whatever
your suggestion was ok didn't bothered me :)
Regards.
Leonardo.
2010/5/6 Dale J. Chatham d...@chatham.org
didn't mean to chide, just a suggestion. It's why there was the smiley :)
Dale
On 05/06/2010 02:20 PM, Leonardo
Hello everybody,
Since months that i'm thinking about how to implement a Spindle and C axis
using the same motor (like the commercial turning centers) in one of my
lathes, and i want to share what i think, so if you can help me to
understand i would be really thanked.
My first doubt is, can i
on servos and
encoders..
Thanks again and i hope i've clean about my doubt.
Regards.
2010/5/5 Andy Pugh a...@andypugh.fsnet.co.uk
On 5 May 2010 13:57, Leonardo Marsaglia leonardomarsagli...@gmail.com
wrote:
My first doubt is, can i use the spindle servo motor for positioning ?
Yes
movements to set the zero point.
Thanks in advance.
Leonardo.
2010/5/5 Andy Pugh a...@andypugh.fsnet.co.uk
On 5 May 2010 15:03, Leonardo Marsaglia leonardomarsagli...@gmail.com
wrote:
I can use the same spindle servo motor as an positioning axis to make
millings controlling it with analog
2010 11:03 -0300, Leonardo Marsaglia
leonardomarsagli...@gmail.com wrote:
I'm trying to understand this because my idea is to mill lobe shapes for
making camshafts, and it would be very nice to make the roughing process
with a mill.
I'm trying to clear my doubts before i start to spend
hello andy,
very nice explaination, i was thiking about using spindle-synchronised
motion a few months ago, but didn't know if it was possible,
Do you think that if i use a cam software with the emc2 post, i could shape
the lobe using the spindle as a spindle in synchronised motion? That would
Yes i think stuart is right, sometime ago in a similar discussion someone
told me the same, the there are two different motors for turning or milling.
Well, the only question left then is if i can use spindle synchronised
motion, at very low speed (10 rpm or less), and a mill in the X axis to
So andy, you think that with G33 i will have the wait for the index pulse as
if i'm doing a regular thread along the Z axis? and because of that it
wouldn't be quite right for making lobes..because the movement won't be
continuous Correct me if i didn't understand
Regards.
2010/5/5 Andy Pugh
axis, like normal mill? that would be simpler since i can generate the
profile with any cam software.
Thanks in advance.
Regards.
2010/5/5 Andy Pugh a...@andypugh.fsnet.co.uk
On 5 May 2010 19:00, Leonardo Marsaglia leonardomarsagli...@gmail.com
wrote:
So andy, you think that with G33 i
Thank you guys for your answers, you were very helpful..
I will explain what i decided to do... the idea is to make the X axis of the
lathe to be a mill and the spindle will be turned with a servo motor
reduced several times to increase torque (probably with a worm and gear to
make impossible
Nice machine, but i have 2 lathes waiting for a retrofiting here.. if you
ever have a machining center or a cnc milling for retrofiting please let me
know because i'm interested.. better if they are for heavy dutty.
Good luck with the sale!
Regards.
2010/5/5 Steve Stallings steve...@newsguy.com
program in the sample code that utilizes that.
Dave
On 5/5/2010 5:35 PM, Leonardo Marsaglia wrote:
Thank you guys for your answers, you were very helpful..
I will explain what i decided to do... the idea is to make the X axis of
the
lathe to be a mill and the spindle will be turned
help!
Regards.
Leonardo.
2010/2/22, Michał Geszkiewicz mic...@wp.pl:
Leonardo Marsaglia pisze:
Hello everybody,
I've got a really strange problem with a simple userspace component that
i've already used before. But this time in a new machine i can't make it
work.
Everytime i try to load
Michal, the python script is executable.
I really don't know where the problem is, when i tried the same script in my
laptop a couple of months ago it worked ok, it's really strange.. i'll try
again in my laptop to compare.
2010/2/22 Michał Geszkiewicz mic...@wp.pl
Check attributes of your
Hello again,
Well at last the script (same) worked, i don't know why, i only created a
new plain text file, and put the script in it, and worked.
Could be an error with the tabulations or something, but i don't know much
about python.
Anyway, thanks for your help and concern.
Best regards.
By the way, is it possible to use the regular C libraries like stdio.h to
compile rtai modules with comp? i mean, to replace the using of python
userspace components.
Thanks again!
Leonardo.
2010/2/22 Leonardo Marsaglia leonardomarsagli...@gmail.com
Hello again,
Well at last the script
Mark, didn't do that with the file, but i'll read more about the matter,
since i'm not an expert with linux.
Thanks for the help.
2010/2/22 Mark Wendt (Contractor) mark.we...@nrl.navy.mil
With Linux, problems with files not executing are either ownership or
privilege related. Before you
Yes, i thought that too, i did that because i had the script saved in an
email, because one of the guys helped me to create it... so the script was
always the same, so i thought that the problem could be in the file itself,
or in the sintax of the python script due to spaces or copying problems.
Jeff thanks a lot for the link, i will read the files and try to understand
a little more.
2010/2/22 Jeff Epler jep...@unpythonic.net
On Mon, Feb 22, 2010 at 11:54:48AM -0300, Leonardo Marsaglia wrote:
By the way, is it possible to use the regular C libraries like stdio.h to
compile rtai
Hello everybody,
I've got a really strange problem with a simple userspace component that
i've already used before. But this time in a new machine i can't make it
work.
Everytime i try to load the component i get a FAILED message.
The python lines are the following:
#!/usr/bin/python
import
May be you can use an interface board like the mesa 5i20, the encoder
readings and pwm generator can handle much more resolution than a parport
system based.
Here is the web http://www.mesanet.com
The 5i20 is a very cheap board i bought two and so far no problems... they
work quite well.
I hope
I solved the power off problem with the help of some of the guys here,
making a userspace component in python to halt the machine with an external
button (connected via parport), then i used a relay with a 15 seconds timer
to cut off the power.
Leonardo.
2009/12/19 Gene Heskett
Hello again, today i could check the hal config, and it was a very simple
error, the problem was that the Z axis is joint number 2 and in the hal
config the jogwheel was linked to the joint number 1.
Anyway thanks for your help as always :)
Regards.
Leonardo.
2009/12/12 Leonardo Marsaglia
Hello everybody,
I'm having a little problem with my stepper configuration. Turns out that I
have two hand wheels (one for X and the other one for the Z) connected to my
mesa board via the gpio pins and linked to an encoder emc module for pulse
readings.
When I use hal meter the two handwheels
Thank you guys for the help, as soon as I can access to the computer with
the configuration I will post them here to see what's wrong.
Best regards.
Leonardo.
2009/12/12 Chris Radek ch...@timeguy.com
On Sat, Dec 12, 2009 at 12:16:28PM -0300, Leonardo Marsaglia wrote:
Sorry but i'dont have
I'm not an expert but in the hal file when you set the feedback and the
scale for the W axis you used the pin axis.8.motor-pos-fb but i understand
that W is the number 9 axis.
I'm not sure if that affects the correct operation of the axis, but
something similar happened to me.
I hope i can help
Well, i think i will improve my pid to make it more accurate and then
continue with the tests.
About the range of the angular axis, if i use the index-enable pulse of the
mesa 5i20 encoder module (wich says that the position is reset to zero when
an index pulse has ocurred) for reset the counter
, 2009 at 10:26 PM, Leonardo Marsaglia
leonardomarsagli...@gmail.com wrote:
Hello guys, i've already asked something similar in the forum but this is
a
simpler..
I read about the retrofit of the mazak that some of the guys made, and
i'm
making tests with an AC motor with a vfd
I wish i could go some day to an EMC meeting, I'm far away from the US.
But i hope everything goes well with that.
Regards.
Leonardo.
2009/11/20 Dale Grover dgro...@redcedar.com
Just got an email from Karl Gross of NAMES (the North American Model
Engineering Society), which runs the NAMES
Hello guys, i've already asked something similar in the forum but this is a
simpler..
I read about the retrofit of the mazak that some of the guys made, and i'm
making tests with an AC motor with a vfd and an encoder..
So i was wondering if i can make the spindle turn and stop in a given angle?
-W, you need to use the named
version, eg -Wn mycomponent
That's what I do.
Frank
-Original Message-
From: Leonardo Marsaglia [mailto:leonardomarsagli...@gmail.com]
Sent: Sunday, 15 November 2009 7:09 AM
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] Link
Thank you very much guys for your help, i think may be the best is to make a
userspace component as john told..
I have only one doubt about that.. and it's about the directory in which the
component has to be inserted so i can load it with the loadusr command.. i
read about that in the hal manual
is to make a component using comp with one bit in pin,
and when that pin is true, the function system executes the sh command.
Well i hope someone can clear my doubts to guide me in the right way.
Thanks in advance again.
Leonardo
2009/11/12 Leonardo Marsaglia leonardomarsagli...@gmail.com
?
I don't know about running a bash script but in the Wiki there is an
example for accessing pins via a Python script.
http://www.linuxcnc.org/docview/html//hal_halmodule.html
Dave
Leonardo Marsaglia wrote:
Hello again, i think i figured out how to make the link, i found that i
can
use
kernel - see the responses to my message on
EMC-developers.
HTH
Mark
On Nov 9, 2009 9:13 PM, Leonardo Marsaglia
leonardomarsagli...@gmail.com wrote:
Hello mark, thanks for your answer.. i tried that but when i press the
power
button the machine powers off skipping the halt
Hello everybody, i'm finishing with the setup of my machine and i have one
question..
How can i link a signal to a bash script? is it possible to make a component
with the sript in it and then use the component to activate that script
whenever i want?
Thanks in adavance for your help.
Mark
On Sun, Nov 8, 2009 at 8:19 PM, Leonardo Marsaglia
leonardomarsagli...@gmail.com wrote:
Hello everybody, i was thinking in making an automatic external shutdown
device, since the kernel is configured not to halt in the normal way..
What i was wondering is if when i shutdown
Hello everybody, i was thinking in making an automatic external shutdown
device, since the kernel is configured not to halt in the normal way..
What i was wondering is if when i shutdown the system and the screen says
system halted is there any physical connector or something that i can use to
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