what is everybody using for cad? I'm trying to stay in linux, but I don't care much for qcad
pro/e has a linux binary
but uh it isn't free
so does catia
i'd prefer pro/e, but work uses solidworks
which is a+ for most everything
I've used solidworks, but do they have a linux version?
I didn't think so.. Pro/e is to pricy for me I'd go broke just getting a computer to run it
what do you want to do
with your cad
for the most part, simple brackets and such. pockets, drilling. nothing requiring even a 4th axis for now
you're looking for CAM then, not cad
you are essentially stuck with qcad
unless you have no ethical objections to stealing
or suddenly come across the money for a mastercam license
i guess there's stuff like bobcam or whatever
lol I do like mastercam but once again, not linux
okay here's the issue
the windows based packages are over a thousand dollars
the CAM software with a Linux client costs a ridiculous sum of money even compared to that
I havn't gotten deep into qcad, but it just doesn't flow for me. I'm sure with training it would get ok.
I've used mastercam and solidworks before, and like both. I'm just trying to eliminate windows
how expensive is catia
I heard someone quote 14k a seat once
i've never known anyone who worked for a firm who had the money to use catia
pro/e is like a step down
yeah.. probably worth it, just not for me.
NX4 might have a linux client, but those are all the most expensive ones
well, ya get what you pay for some times.
I just can't pay that much.
supose I need to make enough money to buy it
work has pro/e, but it's not something I get to play with just yet.
you need to be doing really advanced mold work and materials analysis
to need catia
and I'm not. so I'll wipe that off of my wish list
mastercam for linux.. that's what I need
pro/e does machining
i haven't messed with it too much
I've heard it's a pain to install, but just really picky on what computers it'll run
that's not been my experience, it's matter of following directions
catia cn do ANYTHING.... in the right hands
what IS it you need..
in that case, in my hands it could make peanut butter and jelly.
need many more skills for that.
I've taken autocad years ago in school, but other then that, it's just fiddling
or not.. it is VERY loud...
you really aren't going to find CAM on linux
from a professional program
no resemblance to capabilities
so either pony up for a great program. such as catia, or pro/e or use windows
and uh, all those programs are not easy to use at all
APT360 is quite professional...
pro/e is not built to be user-friendly
and from what i understand none of the other ones on that level are, either
from what pro/e says, it's super friendly
i've used pro/e
and seen people try to learn it
suppose thats in comparision to others with that much power
i love pro/e, because it does everything i've ever asked it to do
not so with solidworks
we've had dudes pick up solidworks in less than a week and be productive
really. I found solidworks pretty easy
that's what i'm saying - solidworks IS easy
im a 15 yr catia user.. and it isnt easy iether .. every rev is a whole new ball game
but they trade that ease of use for the flexibility that CATIA, pro/E, and NX have
hopefully there is enough new to make it worth relearning
I've always prefered to have the power to do just what I want. sometimes getting to complicated
jepler: I took your advice and just gave up on linux. I just got back from best buy with my new copy of vista.
i like being able to do what i want, too
cimatron on the other hand is ages ahead... even my old one punches #'s better than Catia in 3-d surfacing mode
and solidworks does that 95% of the time for me
but jesus that last 5%
cimatron i haven't heard of
I was just hoping to stay far away from windows
out of Isreal
travisw: there's like zero interest in linux from CAD/CAM companies
it is wonblows.. unfortunatly
Sorry guys, I don't want to interupt. But seriously Jepler I lugged that heavy piece of crap up stairs and used the install script on linuccnc.org, it seems to finally be getting what it needs.
dogfishguzzler: jepler will get your messages, dont' worry
I know . but as numbers get stronger in linux I hope that will change. I'd even take something good on mac
Yeah I figured he would, I just wanted to throw them out there since I need to be getting back to this emc install :D
there's also zero interest in mac
again APT 360 is a viable option for ALOT of stuff with VAPT its quite sweet..
if I could program, and had unlimited resources, and a team and and and and and.... that linux situation would change
travisw: the problem is that almost nobody is using linux in manufacturing on the desktop
even for catia/nx/proe
are you trying to make a particular part???
toast... speak for yourself please...
no. not right now. just trying to get a windows free system from design to completion
dude, if you're using linux in manufacturing, you're speaking for yourself
to make $$$
i'm not saying there aren't a handful of businesses doing it
Dogfishguzzler: great! sounds like you got it.
i confirm cmm data thru apt 360 & vapt 1 or 2times a week.... just running his #'s for errors
i sell g-code...... where it comes from no one asks...
just looking at the apt360 info
chk out the #cam channel
what is vapt
its a text based language.. only 5 axis simultaniusy unfortunately...
ok. is apt360 suitable for cad/cam
visual APT.. neew ,, and only on linux thx to the author
it is/was the 1st cad/cam
i was looking for the 'other' rtos that was allowed for in emc, came across this http://www.springerlink.com/content/7376406nx011415k/
A software oriented CNC system based on Linux/RTLinux
i did the 777 torque links in apt because they told me i had to...
heh the chinese-irish did it again
dont you love having piced it RIGHT the 1st time
tomp2: Yep its up and running. Thank god I didnt have to compile, even after adding the require repositorys etc etc I still couldn't get apt-get build-dep emc2 to work.
I love debian though, all those years of wasting my time with slack....sad
so apt is used with qcad? or all on it's own.
trying to look thru sourceforge for info
all its own..
too powerful for alll the other stuff
Dogfishguzzler: should have started with one with it on board.....
found aptos in sourceforge, but not apt360
I did dmess but it would install, not enough mem.
I literally dug this box out the trash, less than 200 megs of ram. Freakin Xubuntu runs like a top on it though. Once I get blackbox in there and trim the fat a bit it'll be as fast a 1.2 giger
[00:55:48] <dmess> http://imagebin.org/12124
your 1 of me... coool
white lines are tool path yellow is geometry//// the text on the left is all oit
ok.. now to install
Can one of you guys reccomend a good channel I can ask about a potential exploit on my system? I know how these irc servers are, swimming with script kiddies, I dont need that shit. I found a port open on my network I can't seem to plug and I'm wondering what if anything a potential asswipe might be able to do to me.
btw, I've googled and googled and googled some more.
I'm not asking this in an other channel, I dont know why but I trust my fellow machinists more than the rest of the chatters around here lol.
Don't think you have to worry about script kiddies here
this is on your ubuntu system?
no, it on my wireless router supplied by vonage
From what I can gather via google its commonly used as a windows exploit. We have two windows machines
Its port 4000 on my router (remoteanything)
I can shut it down or block it either. I'm not worried about my computers they all run linux of some variety.
could it also be the port Vonage uses for VOIP?
I can't shut it down*
Skullworks:maybe but google says its a commercial backdoor, like pcanywhere.
You might be right though
* Skullworks-PGAB is only thinking Vonage might have locked the VOIP port open so you can't kill your phone connection.
I guess it does need a port to do its thing, nmap shows ssh,http and remoteanything. You can see why I got nervous
You may have a point
I'm about to disable the ssh too since it doesnt work. I wish we could trash that phone, nobody even uses it.
I have more trouble with crap embedded in torrents.
How do you find the crap?
various pages on voip stuff seem to use port 4000, though I don't know enough about those protocols to know if it's an example number or a number actually used. http://www.vrvs.org/Documentation/SIP-Client-guide.html
Virus scanner pops up as the first file chunks come thru
With a linux system Skullworks-PGAB?
Thanks Jepler, I feel better now.
btw, I did get emc running on the other box :D
no - a WinBORG box - I could not get linux to work with the on motherboard SATA raid so I used WinBORG XP
Are you guys familiar with building your own driver circuits?
That is a dedicated torrent box
I love torrents
but I never check them, cause I'm a moron
I figure one, linux is fairly impervious to virii and two if I get infected that gives me a reason to try a new distro lol
I'll go ahead and throw my driver question out there.
yeah but If a Virus killed my Gentoo Box after that long ground up build... I'd be rather pissed.
I think the only software I torrent *is* a new linux distro..
Jepler - "Legitimate software"
Tomorrow I plan on buying a couple L293D's and slapping together this circuit that alex_joni showed me. My question is, will emc readily deal with this circuit? What other things will I need to do in order to get results?
I've seen Inventor out there and ProE - But I'm not that massocitic
if only windows were as cool as the borg... *sigh*
Actually the BORG edition is a Canadian version of XP that is totally hacked.
Dogfishguzzler: l297/l293, or l293 on its own?
on it's on, wanna see the schematic?
Dogfishguzzler: emc usually does "step + direction" to talk to stepper drivers (that would be l297/l293), but it can also do "4-phase drive" which is what the l293 requires.
however, I don't think you'll find any sample configurations for "4-phase drive" .. this will force you to dive in and learn how to write .hal files
Ok once I build the circuit do any of the regs here have the patience to help me get it working? I don't minding reading if I know where the docs are.
heres the schematic I will follow
[02:14:59] <Dogfishguzzler> http://www.seattlerobotics.org/encoder/may98/steppers.html
who just beeped me btw?
speaking of hal files - I am trying to upgrade mine for a newer version of emc2 and I have a question
I think what Jeff was saying is that almost nobody as used the phase output since EMC1
I do know someone who is using phase output -- it works just fine
so there are no current config's for reference
but he hasn't contributed his configuration file
Dogfishguzzler: as long as you are able to give clueful reports as you work on your .hal files, you'll find people here willing to help you
but for now I have to go .. bbl
it's pretty straightforward really
thanks for your help jepler
fenn:I'm sure it is once you defeat the learning curve. I don'y mind though, I dig the challenge
I used to have my minimum limits setup on pin 11 and pin 12 - 11 is minlimit for X,Y,&Z and 12 is maxlimit for X,Ym&Z - the stepconf wizard did not have this option - here is where I am at: http://uoregon.edu/~jgarman/my-mill.hal
I commented out the old limit setting method, it will give you an idea of what I want to do -
does the old code not work?
the old code does not work - it says I something like ( you #$$*, you cant set that pin twice )
comment out the net min-x lines
were those put there by stepconf?
min-x and max-y were put in by the wizard
I tried adding the same for y and z - no go - then I tried just putting my old code in -
just wondering - How many counts do most people set for deadband?
i think about 2 counts, but i'm making it up :)
I was thinking about setting mine up with +/- 4
03tissf 07TRUNK * 10emc2/docs/src/config/ini_homing_fr.lyx: French translation update
03tissf 07TRUNK * 10emc2/docs/src/gcode/ (main_fr.lyx tool_compensation_fr.lyx): French translation update
03tissf 07TRUNK * 10emc2/docs/src/hal/tutorial_fr.lyx: French translation update
which makes these gecko 320's useless
ah that's a whole nother ball of wax
I am using gecko 320's
anywho - this is the debug info:
Debug file information:
my-mill.hal:79: pin 'axis.0.neg-lim-sw-in' was already linked
my "personal" issue is the fixed 128 count following error allowed at the driver.
there are 4 lines you need to comment out
net min-x => axis.0.neg-lim-sw-in
oh - i did'nt see those down there -
cool - its working now, thanks: this is it's current state - http://uoregon.edu/~jgarman/my-mill.hal
fenn: thanks for your help again
glad i could help
Im going to go plug the new laptop in now :-)
Can I ask you guys another non emc related question? Don't hesitate to tell me no. I would rather keep a good rap with you guys, I don't want to irritate anyone.
in my opinion there's no problem with off-topic here... but it's irritating when someone asks whether he can ask a question (after all, he just did!) - so always just ask
So I have this old windows partition I need to change ownership of it from root to me, Ive tried chown in everyway I can think. If I do a sudo nautilus and go there and try to right click and change permissions I get "cannot change permissions of read only file" blah blah
Ive tried this many times for months and Im sick of it
you could try asking that on the #ubuntu channel
I need acces to those files as me. not root
ok I guess I will
windows partitions (e.g., fat, ntfs) don't really have unix-style permissions. for fat, there is a mount flag that determines the user and group that the files belong to
I'm not sure about ntfs
"man mount" and scroll down to "mount options for fat" and "mount options for ntfs"
Yeah jepler thats the problem, it insist the files are root's
Lemme go ask in #ubuntu
You guys are so helpful I just don't wanna piss somebody off getting offtopic
ntfs is the same way
uid and gid
i do believe
it used to be that you couldnt write to an ntfs partition from linux
might not be possible in 6.06
Okay I got it, you have to do 'mount -o umask=000 /dev/whatever /mnt/wherever'
Dogfishguzzler: that lets everyone, not just you, write to all those files
(that advice is only good for a single user machine)
It is a single user machine. This is just so I can organize my files into my home directory then I will format that partition, this only temporary.
ok, cool then
Thanks for the warning though
it is possible to write ntfs now
on the odd occasion that it fails, the write doesn't occur at all
and it automatically tries again
(which will succeed)(
All I want to do is get my stuff safely on my etx3 and format the partition, then put it back there so I can selectively serve some of it.
I have close to ten years worth of data there.
thousands of mp3's and pics, files etc etc
I even have the original i love you lol
Some people journal, I just browse my archive to go back in time.
I usually keep my backup on a seperate partition and keep it unmounted. Thats the only way Ive been able to hang on to this stuff through my many distros and phases.
After seeing that open port earlier I'm back to wanting to centralize everything
USB2 HDD's - offline storage with immediate access potential.
Yeah Skullworks, I seriously want me an external.
I'll wait till the 4 terabyte model is $18 :D
they are fast too - a DVD iso is about 3 min transfer
You got one?
What brand? I saw the fireflies, I like those.
40gb, 80gb, and 500gb
the small ones use laptop drives
the 500 is a 16mb cache seagate
fast and smooth
okay, my beer is gone and it's 11. I'll see you guys tomorrow.
alex_joni:what got changed for the g18 z,x arc preview,it already worked?
talking about the new 2.2.2 update
[12:14:16] <jlmjvm> http://imagebin.org/12132
alex_joni:that is what 2.2.1 was doing with g18,19 arcs
i told cradek and posted that on image bin after i read the peter wallace email
in the user group
touch-off X to 2" and do that again; you will see that G18 is wrong
and it's the preview, not the backplot, so you have to put them in a gcode program and load it
i see what your talking about now,mine shows a pyramid
excellent fix,shows arc on preview
is there any way this update can be installed on a machine with no internet access?
jlmjvm: if you already have 2.2.1 on the machine, then simply grab the 2.2.2 package, and copy it over and install it
great job on the 2.2.2
skunkworks: did you try it out yet, or are you just saying it on general principle?
I will get it today though
[14:00:57] <skunkworks> http://www.cnczone.com/forums/showthread.php?t=47939
skunkworks: that's quite a nice thread :)
yes - very informative and full of praise :)
* skunkworks looks on ebay for cheap fanuc drives... ;)
[16:52:10] <skunkworks> http://buildyourcnc.com/software2.aspx
too bad the text he used is soo ugly :)
the text on that page looks just like the text on every other page on the internet. should it be different?
jepler: I meant the text inside the video
which you probably haven't watched :P
sounds like he has a bunch of gremlins in the background
of course not; if I watched internet videos I'd be giving up my luddite cred
jepler: it's a nice video helping complete newbies to get emc2
which may or may not be a "smart" idea
03jepler 07v2_2_branch * 10emc2/docs/html/gcode_fr.html: link to version 2.2 docs instead of TRUNK docs
03jepler 07v2_2_branch * 10emc2/debian/changelog: gcode quick ref had G98, G99 transposed
03jepler 07v2_2_branch * 10emc2/docs/html/ (gcode.html gcode_fr.html): gcode quick ref had G98, G99 transposed
03jepler 07TRUNK * 10emc2/docs/html/ (gcode.html gcode_fr.html): merge from branch: gcode quick ref had G98, G99 transposed
I thought a crank position sensor costs more than an encoder...
it would be a clever hack though.
depends on store.... the "neighborhood" midnight, remove it yourself store is a lot cheaper... free ;)
I think he was just looking at the sensor..
just pull it out of your car when you need to cut threads...
still need an 'index'
yeah that's the problem I suppose
Hmmmm a longer timing chain + a few other additions could get you a mobile lathe to cut threads ;)
if your sensor is very reliable, you could fake the index. but I wouldn't recommend it.
skunkworks: did you see my B axis last night?
is it on your site?
[20:01:25] <cradek> http://timeguy.com/cradek-files/emc/b-axis.avi
sorry for the terrible video
I live three miles underground and I had only a cigarette lighter for lighting
you can see the C axis on the table (if you try hard)
cheap camera ;)
there's no motor on C yet though
get one with nightvision lenses }:-)
are you canablizing your max?
very cool btw
you mean "enhancing"?
(donno what that would do to your 3mile long cord)
what are you using for the drivetrain?
on the Z slide is mounted a 4" rotary table with worm gear/stepper
I haven't done anything permanent to max. Only some additional holes in various parts.
heh - that is very cool. I think that will wow people at the workshop this year.. (you have no say in if your brining it or not)
I still won't have the kinematics right by then :-)
I don't believe that :)
that's OK, you can bully someone at fest into fixing it
we'd have it ready by friday when most folks show up
alex should be there.. ;)
I will surely need joint limits...
how much play is in it? can you remove the play from the rotory tables? (adjusting the gear/worm spacing)
it's surprisingly tight
on the order of .1 degree maybe
I want to see a turbo compressor blade being machined..
that's a lot of weight on it
It took me a bit to see the bits of the max in there :p
less and less of it is blue as time goes on
I could make a whole machine but I'm hoping this will get me going faster.
the tool tip is so close to the center of rotation that I originally thought you had the kinematics done already
yeah I centered a "typical" tool. Some are shorter and some are longer.
actually that one is a bit on the long side. but considering I sometimes use a jacobs chuck and drills, it's good
I will be able to get 90 degrees of B on a workpiece about that tall.
with luck, maybe a 3+" cube working volume.
so - your working on tool lenght for multi axis machining?
yes for a certain shape of machine I have it working already.
* skunkworks need to stop playing the video over and over
cradek: the 2 amp stepper drives?
yes whatever L298 is
I had to crank the current up for it to lift the heavy spindle+motor. I definitely have to add another fan now
are you running within the motor ratings?
I don't know for sure
it only got a bit warm.
(they had always run completely cool)
you think your motors are 1xx oz-in? You can get a higher torque motor fairly cheaply. http://www.xylotex.com/StepperMotor.htm
nema-23, 269oz-in, $50
I think they're 13x-15x
wow, 269 is a lot more
I was so tempted to order 5 geckos -- but holy crap they add up
Those are the motors I have.... and I suspect they are not putting out what they claim to
then I thought, one gecko
and there is curve available for them.
and there is no curve available for them.
then their website told me there's something it doesn't like about my browser
so, I now have zero geckos
like I say - keep an eye on ebay. oem650 or 750 drives.
or even s6 (although they seem to go for more money as you don't have to supply a power supply)
do you have about five spares over there?
I'll give you five shiny dollars for them
father is a horder.. so no. Hi dad!
cradek: dont ya know by now, you always gotta asj the shipping rates =)
except if you go there assuming it, there are bound to be drivers for sale at fest..
looks like you can get them from singapore any day of the week for $50 :)
[20:30:29] <skunkworks> http://cgi.ebay.com/PARKER-COMPUMOTOR-OEM650-SERVO-DRIVE_W0QQitemZ150180080660QQihZ005QQcategoryZ71394QQrdZ1QQssPageNameZWD1VQQcmdZViewItem
as is ;)
31 available - doubt they are all bad
but that is too much money for 'as is'
[20:35:41] <JymmmEMC> http://cgi.ebay.com/NEW-COMPUMOTOR-SX6-MICROSTEP-MOTOR-DRIVE-PLUS-MOTOR-ENC_W0QQitemZ200179082316QQihZ010QQcategoryZ78196QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
cradek: BINGO! http://cgi.ebay.com/Parker-Compumotor-servo-drive-OEM-750_W0QQitemZ120192740911QQihZ002QQcategoryZ78196QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
100% positive, 3 and says they are working units
wow - that is a good deal.. and he posted it so that people will not find it.
oh wait... the desc says servo, which would be oem760's, not 750's
but the label says 750, so just confirm with him
picture is right though
it might be a mixed lot of 750 and 760's
they all look alike, easy to miss
or, he just doesn't know
I'd place a bid, before he changes his mind! lol
still a ways out.
I wonder how far he is from me.
skunkworks: they're a lil to rare lately to dismiss imo
must be near millwaukee
between Madison and Milwaukee
probably a good 3 hour drive then
shipping would be cheaper,
[20:47:18] <JymmmEMC> http://maps.google.com/maps?q=Johnson+Creek,+WI,+United+States+of+America&ie=UTF8&ll=43.07588,-88.77501&spn=3.30205,3.361816&z=8&om=1
[20:54:15] <JymmmEMC> http://www.craigslist.org/about/best/sea/465979897.html
JymmmEMC is now known as MrAsshole
MrAsshole is now known as JymmmEMC
has anyone ever had emc stop executing a program at a certain spot,when there are no alarms?
I take it that you have :P
lo, just a joke, nm me.
It's been quiet since I got here so I felt like I could slide that one in there.
k,didnt know what u meant
hey - I am the only one that can make odd remarks like that.
i was wondering what the heck :P was
jlmjvm_: if you have a program that shows this behavior you should let us know what it is.
was just fixing to holler at you
gonna paste it
does it have a M0 in it? ;)
^ see how well I do the 'odd remarks'
maybe it has an M1 ?
lol Skunkworks, sorry about my indiscretion.
[22:17:03] <jlmjvm_> http://pastebin.com/d7f8bd63f
jlmjvm_: what line does it stop at?
what emc version?
it would make the first cut,start the second and stop at that line,would also run the finish cut
havent updated it yet
that's an arc.. there was something borken with small arcs in 2.2.1
but it makes an identical pass above that at the same numbers,thats what confused me
and no error message
jlmjvm_: can you please try to upgrade to 2.2.2 ?
its running on my simulator,but its 2.2.2
the change from 2.2.1 to 2.2.2 doesn't have an impact on your config at all
i sure will,u think that might be it?
it saves me from diggin further if it's that
I ran it on 2.2.2 and it zipped past N105
Can a bipolar stepper run in either two or four phases?
Or is it one or the other?
also seemed to run right thru on pre2.2.3 cvs sim build
emc2_2.2.2_i386.deb ,is that what i need to put on my thumb drive to do the update?
a bipolar stepper always has both coils on. you reverse polarities to step.
(your program finished fine)
I loaded it in 2.2.1 sim->axis
did it hang up?
it doesn't get over N40
I have some more questions but I'll wait until jlmjvm resolves his issue. I'm not actually doing anything right now, I have time.
yup.. hangs there
well thats great news
long live 2.2.2
Issuing EMC_TRAJ_CIRCULAR_MOVE -- (+221,+168, +0,-5.272100,7.059600,0.130000,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,-5.017800,6.719100,0.130000,0.000000,0.000000,1.000000, -1, +3,0.000000,0.000000,20.000000, +0,)
can't really get there if the speed is 0
jlmjvm_: probably a bug n emc 2.2.1 which causes the selected feedrate for the circle to be 0
jlmjvm_: the paste was for cradek mainly (he is part of a private club of people who actually understand what those numbers mean :P)
k,does the deb have to be in a certain place before you issue the $ sudo dpkg -i filename.deb command?
hey,i wanna join that club
it's not so much a private club as one whose address is not published anywhere
jlmjvm_: no, no particular place needed
jlmjvm_: I could tell you how to join, but then I'd have to kill you
alex_joni:will this be the sudo command: $ sudo dpkg -i filename.deb,or $ sudo dpkg -i emc2_2.2.2_i386.deb
the second one of course
k,iget this if i try: bash: $: command not found
"$" represents the shell prompt; you don't type that aprt
[22:58:41] <jlmjvm_> http://pastebin.com/d3493911f
is that what it should say if i already have 2.2.2 installed,the deb is on the desktop
"no particular place" is not accurate: you must be in the directory with the .deb file, or you must give the full path to it on the commandline
it's just like any other commandline program that takes a file as an argument
where would you put it?
you already downloaded it. Just "cd" to that directory before running the "sudo dpkg" command
im gonna be installing it tomorrow on a mill with no internet,will use thumb drive
OK that's fine, just remember to "cd" to that location before you run the dpkg command.
that works, cd /home/jlmjvm/Desktop,then do the sudo
ha, my chinese hole gauges are four ranges: 1/8 to 1/5, 1/5 to 3/10, 3/10 to 2/5, 2/5 to 1/2
it's as if they don't quite get our silly fractions
* alex_joni was just wondeirng..
wondering even.. anything wrong with those ranges?
they would be more naturally written as .125 to .200, or 1/8 to 3/16, or bizarrely enough, 1/8 to #8, haha
weeeell.. that's not making much sense to me :)
well calling the last one natural is a big stretch
ok, I saw lots of /2 /4 /8 and /16
but /5 /10 were new
it ismore natural then 1/sqrt(2)-1/2 ;)
1/sqrt(2)-1/2 or 1/(sqrt(2)-1/2)) ?
as written, so the first one
~0.707... - 0.500
if u say :P
Heys, I think I'found stepper eureka (for me anyway). I think my many simple questions will go away after finding this paper. However, the lack of editing makes me wonder how far I should absorb this info. If anybody has the time or will would you scan this and tell me what you think?
[23:23:31] <Dogfishguzzler> http://www.st.com/stonline/products/literature/an/1679.pdf
Dogfishguzzler: looks good to me
maybe a tiny bit too advanced for your first steps
Not really alex_joni, I devour this type of stuff. For some reason he's been the easiest to understand.
But it;s good that that paper has your endorsement
Makes me feel better about taking it as gospel.
Dogfishguzzler: go to geckodrives.com, g201 or any other stepper driver
Are they free?
there should be a doc there called stepper motor basics
read that one
right on, thanks
*occurs that alex_joni could have added the http: so I could lazily click the link*
[23:28:32] <alex_joni> http://www.geckodrive.com/photos/Step_motor_basics.pdf
lol yeah I there
* Dogfishguzzler thinks thats too easy
The wiring info seems to be Gecko specific, talk about over my head lol. Im still trying to understand the difference between bi-polar and uni-polar, four phase and two phase.
He jumps out da gate with ohm's law being applied to a torque curve :D
My ultimate goal is to learn enough about the motors to modify the .hal files and be able to actually understand what I'm doing.
HI guys, Im trying to setup a Sherline inch mill but it moves about a tenth of distance that EMC thinks it does. Can you please help?
is it a new install?
jlmjvm: yes, I want to use the latest EMC and I just installed the Ubuntu disc
did you do a stepconf config yet
If I try to bump the INPUT_SCALE, I get an error message: the maximum velocity of 16000 steps/sec is too high
jlmjvm_: I m sorry but I don t know what a stepconf config is
applications/cnc/emc stepconf wizard
its in the pulldown menu
amorneau: you were going the right way
jlmjvm: I dont have this program. Sounds like what I need
if you increase INPUT_SCALE, then you also might want to decrease max_vel
or you should look at BASE_THREAD to see if you can make it faster (but that depends on the machine.. )
amorneau: I'd start by finding the right BASE_THREAD for your machine (keep decreasing the value until the machine feels sluggish.. then turn it up a bit)
something like 20000 or 15000 would be good values
amorneau: what Live CD did you grab?
alex_joni: the max_velocity is paying off :-)
alex_joni: I stole it from the website 2 days ago
then it should have stepconf on the menu
Applications->CNC->EMC@ Stepconf Wizard
alex_joni: I have 2.1.7, but no stepconf. This is strange
2.1.7 is not the latest
thanks for the help jlmjvm_
can you download the new cd,its better
on the latest you have 2.2.1
jlmjvm_: no need
especially if he doesn't have a config.. just upgrading should be 5 minutes
[23:45:24] <alex_joni> http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?UpdatingTo2.2
I ll see about upgrading right now, but I was making progress with the max_vel. I think max_accel is also important
see you in a few minutes, and thanks for the help
amorneau: yes it is
amorneau: but it would make a lot of sense to start with 2.2.2 (the latest..) instead of 2.1.7
alex_joni:thanks for running that program in 2.2.1 earlier,im confident that the update will cure my problem in the morning
My Synaptic repositories were pointing me to 2.1
I can see the wizard...