a relay
one control signal for all amps
if more than 4 amps
use one control signal and 2 4pole relays
regards
tomp
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tomp
( 'it was the last thing you did' old serviceman's standby )
Mike Merrett wrote:
Hi:
Does anyone know why I am getting this error ? Joint 1 on Limit Switch
Error it is happening more and more often on my mill -- it is using the
sherline driver box on a sherline mill.
I have
but
(appartently) longer manual backslide
do you go from some stop to another or end of stroke to end of stroke
for the 2 sets?
thanks
tomp
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on the knee screw
raise knee way up
insert spacer
drop knee onto spacer
raise knee
remove spacer
you get 2 known positions from an axis w/o a readout :)
(hmm or more with a set of spacers)
tomp
Tom wrote:
tomp tomp-...@... writes:
interesting idea about short stroke but
(appartently) longer
or
use the '. emc-environment' script from the proper directory
hth
tomp
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but not as old tech as dc brushed servos and amps with lotsa pots
tomp
keep bunny :)
(\__/)
(='.'=) This is Bunny. Copy and paste bunny into your
()_() signature to help him gain world domination.
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Dave Engvall wrote:
On Jan 4, 2009, at 3:56 PM, Jon Elson wrote:
Dave Engvall wrote:
snip
The elegance of this scheme is concealed by its simplicity.
Elegance? where? I dont see no elegance Chico Marx
tomp
Zork, Hack, or Moria probably.
Collosal Cave
you are in a twisty little maze of passages :)
- Steve
TomP
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Ken
Kenneth Lerman wrote:
tomp wrote:
...
Collosal Cave
you are in a twisty little maze of passages :)
mine didnt say that
it went
you are in a twisty little maze of passages
then
you are in a maze of twisty little passages
then
you are in a twisty passage of little mazes
then
you were very
be available, well they werent available
here yet ! doh!
Dave
tomp
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... or maybe the right
stuff.
Ideas??
Dave
oh one more thought
change this topic to
future hardware platform
tomp
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hello
i went to the wiki, and got the users manual
then i looked in the index
i found 2 ways to use tool length offsets inemc2
regards
tomp
a...@conceptmachinery.com wrote:
Hi
I just finish run program with 86 000 lines. It took 4.5 hours. I finish
reinforcing frame of my machine and run
up some interesting articles on
real-time ethernet (but I've only looked at the first dozen hits out of
Google's approximately 1,170,000 hits [that's 1.170.000 to you folks
across the ocean] so please be specific.
Regards,
Kent
thanks again for the post
tomp
happy western and eastern
://www.gentz.net/
regards
tomp
BRIAN GLACKIN wrote:
snip...
It would be neat if one of the Hydro turbine manufacturers in the area would
set up a demo on how they machine the huge blades.
and for machining, it does take multi axis
or
a very very large investment in fixturing.
engineers that can
?AptProgrammingForEMC
http://learning.dtpm.unipa.it/emc/it/apt_doc/manual/index.html
http://aptos.sourceforge.net/
and listen in at #cam on irc.freenode.net
Regards,
Adam
regards
tomp
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Dave
check Powell's, i got mine used from there
http://www.powells.com/
everyone should use powell's for cheap tech books
hmm, but i see none avail at powells...
amazon 8 used $15.28 seen 12 12 2008
http://www.amazon.com/Numerical-Control-Programming-Irvin-Kral/dp/0136265995
regards
tomp
Dave
Emory Smith wrote:
...
As Jon said, EMC uses G-Code but many CAD programs have the ability
to export in DXF format. If you can do this, then check out:
http://www.christian-kohloeffel.homepage.t-online.de/dxf2gocde.html
yes it is gocde not gcode :)
thanks for the link
tomp
of measure might be an advantage to emc
because most cnc manufacturers use integers there (Fanuc Heidenhain )
and there are some that use floats (PMAC EMC )
the general public (non-emc?) would think ints when thinking counts per
unit of measure
fwiw
tomp
John Kasunich wrote:
tomp wrote
andre,
do you mean an X,Y,Z C tool offset?
and keep the same program
knowing tool 1 is 'center'
and tool 2 is dx-1 dy-2 dz+4 ? ( i see no use for dc here, for orienting
a drill or jet )
( tool 2 is mounted forward left of tool1 and longer )
thanks, good thoughts
tomp
list
Emc-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/emc-users
could symlinks do it?
1 file always used by emc
but that file is a symlink to a file with a useful name
just a thought
( hi from hong kong!)
tomp
assembled
i'm actually in hk now, but just a visa run,
try a spreadsheet to look at how numbers change
i was able to get close to 1000 ounts per mmm, but never exact
regards
tomp
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but, the reason they needed probing was...
the real surfaces fell outside their original expectations
;)
otherwise every one could just work to 'the numbers'
could you say something about how you approach it?
thanks
tomp
for the emc crowd, often automation direct will be desirable
unless theres some group buy like we did on the mesa 5i20's
anyway best of luck
tomp
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?
i've done this with lots of copley's
but those were dc brushed amps
thanks
tomp
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)
there is a small issue of performance
dont let small things stop the big thing :)
your system will be stable enough to adjust better at a later time
it will not be all wrong
it will be good
perfect is very difficult :)
begin with good!
best of luck
tomp
with an ADC
4) connect ADC output (small voltage binary image) to emc
:)
you can see #4 is very far from #1
you need to test each step before going to next step
there are lots of internet resources about how to observe voltage and
current wit computers
best of luck, tomp
amplifier and drive
best o luck
tomp
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picture with old name
or
take a new bigger picture , lets call it bigTUNEup.jpg, store it in
same directory as old picture
then edit the web page to
img src=bigTUNEup.jpg alt=Bigger picture of Tuneup AC servo /
best o luck
tomp
Is there a chance we could get a bigger version? Thanks
the right window woud be ascii ( if possible )
any 'goofy' characters could be spotted and the reason why
mc may not be a real programmers tool
but it gets this job done
best of luck
tomp
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Jim
apt 360 can chop the output into nn.n length segments
it'd be up to the control to blend
the chopped up gcode isnt blended
i've used it to get me .0002 lengths
its just a long program then, no arcs just linear segments very close to
true path :)
regards
tomp
Jim Fleig - CNC Services
aram
wait until you get no 'bad character' message
maybe bad action caused by bad command
get clean command to cnc first ( get no 'bad character' first )
you cannot see the character, but the emc program can
best o luck
tomp
[EMAIL PROTECTED] wrote:
Hi
I used g editor and new error – bad
interest is, but its not an emc2 roadmap
regards
tomp
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handshaking and 'interleaved'
programs
where robot runs, then machine runs, then robot runs then...
regards
tomp
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Jim Coleman wrote:
Hey everyone, I just got the wires replaced inside the tachogenerator on one
of my servo motors (cat chewed them in half while it was sitting out where i
was working), and I think it's time to get everything hooked up and see what
happens when i feed the amp a Vcmd.
My
Jimmy,
'single radial acc' does not exist in emc
the quote you mentioned was in context of 'cnc controls' , not 'emc'
regards
tomp
Jimmy Schneiderman wrote:
Dear Tomp,
Where are located linear accelation parameter per linear axis and where is
located the single radial accelation parameter
://lists.sourceforge.net/lists/listinfo/emc-users
often, cnc's have linear acc parameter per linear axis
and
have a single radial acc parameter for all angular axis
regards
tomp
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dwg too? thanks dave, will try that
can i spin a 3d model and see if things 'fit
i'm going to look
thx again'
tomp
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Mark,
Mark Wendt (Contractor) wrote:
At 03:41 PM 11/3/2008, you wrote:
Yep, got the same t-shirt. But given a choice, I will use a non-M$
based products!
tomp wrote:
Kent A. Reed wrote:
Gentle persons:
snippage
Regards,
Kent
'Zackly
that says
My karma ran over my dogma
(pushing 60 and not so idealistic now)
regards
TomP
craigslist.com.tw/apa/882357191.html
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Jon Elson wrote:
tomp wrote:
maybe this is of interest
RT-Firewire on Linux, using Xenomai (RTAI )
used for robotics, for realtime control of positioning systems
it also enables RTnet over firewire
several nice papers at http://www.rtfirewire.org
Practically all PCs have USB
module emulating Ethernet interface over FireWire
hardware, RT-FireWire enables RTnet http://www.rtnet.org, a hard
real-time communication framework over Ethernet to work on Firewire.
reghards
tomp
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a try
signed
cheap bastard
;)
tomp
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Dave Engvall wrote:
On Oct 30, 2008, at 8:41 AM, tomp wrote:
Stephen Wille Padnos wrote:
Dave Houghton wrote:
Hello everyone
I didn't get far trying to set up EMC2
I decided to do the Latency Test first, having read both sets of
instructions. 'Configuration Wizard
,
openoffice, gimp,web surfing, irc client and others items in my tests
all at once
i think it was well abused
tomp
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glxgears or a
similar application to stress the cpu. Move around windows, surf the
web, copy files, play music etc.
end quote
i used 3 invocations of glxgears full screen,
openoffice, gimp,web surfing, irc client and others items in my tests
all at once
i think it was well abused
tomp
and maybe firewire is not the route
but big companies have spents lots to find this out
it may be expensive for you to find the same answer.
or
you may find what they missed
best o luck
tomp
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Dave Houghton wrote:
Tomp wrote
dave,
yes, my test was running those programs
but just idle, i was gone for a week
and while idle it went 'over the top'
32K
so (imo) it doesnt matter much that you would never use those apps
i wasnt there to touch a key/open a file/drag a screen
://lists.sourceforge.net/lists/listinfo/emc-users
yes, thanks John,
i never read an acceptable magnitude for latency in a servo system
TomP
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maybe this is of interest
RT-Firewire on Linux, using Xenomai (RTAI )
used for robotics, for realtime control of positioning systems
it also enables RTnet over firewire
several nice papers at http://www.rtfirewire.org
regards
TomP
the rotary encoder to a suitable amplifier and DO NOT pass the
rotary encoder back to
the CNC, then you are on the right path. You WOULD pass the linear directly to
the CNC.
maybe you want other wise but you describe a fairly common scenario.
best o luck
tomp
not a critique
the man asked for something else
Stuart Stevenson wrote:
note the wiki page - critique as necessary :)
On Fri, Oct 24, 2008 at 6:56 PM, tomp [EMAIL PROTECTED] wrote:
Kevin
please read the information that was suggested closely
you said
If I were able to use an encoder
stuart
unless the amp can sense the backlash, it cant act on it
i doubt it has encoder plug , and even if it did, i dont know of an amp
that'd comp blash
tomp
Stuart Stevenson wrote:
Gentlemen,
I have been thinking (I know - dangerous :) ). Is it possible the
SCR amp has backlash comp
Tod,
latency is not in ubuntu or emc
its in hardware that takes control of the system communications
when emc needs to do hear or say something
hth
tomp
Tod Spooner wrote:
Hello I have managed to find the cause of the install crash. It seems as
though the hard drive had several bad sectors
happy birthday Gene !
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