Just this once .. here's the log: http://www.linuxcnc.org/irc/irc.freenode.net:6667/emc/2008-03-07.txt
[00:05:46] <skunkworks> http://www.youtube.com/watch?v=P1G6HP6bH1w&feature=related
I've got a friend doing that but don't think he was using Yellow Dog
there's your pretty pictures
how come it draws the lines between the letters?
no Z yet
just holding a pencil with my fingers
didn't think of that
you ever wrap masking tape around a pencil till it's 1" in diameter?
it's a PITA
I'd be wishing my lathe worked the entire time
I wish my lathe was CNC
I'm drawing up the Z axis as we type
all you need is a big solinoid... Click click click click ;)
lol yep that might break my #2 pencil tip
BigJohnT: No, but the paint on a #2 pencil is VERY flammable!!! Gives a very cool look to it too after you burn it off.
tomp2: can you email me your company contact info?
DanielFalck: get my IM?
just debugged a C axis that had worm and ring drive. encoder was on worm. customer lost motion, there was axial play on the worm. it would move a bit like a piston, without rotating, then began turning!
tomp2: sorry, didn't get the IM
my company is looking for a wire edm
gimme hint on email?
come over to #cam
anyone know anything about diesels?
I speak some auto diesel
I'm working on a 3-cylinder generator that looks to me like a small car engine
it has air flow, glow/heat on the intake, and fuel supply. cranks nicely but won't start
can you normally hear the injectors fire with a stick to the ear, like on a gas car?
Some may chatter a little, but any airpockets compress and you don't overcome the popoff pressure on the nozzle
so they don't have a loud click or anything you'd expect to hear sharply?
on a gas car you can hear them VERY well
If you have a means of vaccum , pull a vac on the fuel return . No not a loud click
not sure I can do vacuum. it does have two lines going to the fuel. one is return for pressure regulation?
vacuum line from idling car engine?
also it has the high pressure metal lines going to the tips of the injectors. At the base of the injectors there is also rubber lines, hooking them all together, that seem to have fuel in them. What are these?
Hmmm does it have three hard lines from the pump to the injector and an additional return line off the injector head?
Rubber lines are return for volume not consumed
the only hard lines are from (what I guess is the) injector pump to the ends of the injectors
ah ok, that makes sense
OK crack those loose at the injector and crank over
if you can't pull a vac on the returns this will prime out some of the air
crack which? the rubber or hard ones?
Hard lines at the injector
aren't those like a million psi?
only if they can build psi
dang I wish I had taken some pictures of it
Volume per stroke is so small it will seem like a small dribble when you get the air out.
ok so this air thing is a common problem for something that hasn't run for a while?
Sure they can loose prime or loose a front pump seal killing the prime
this engine is oldish (93) but barely used. I don't know when it ran last. Probably at least 2 years ago.
[03:39:49] <SkinnYPuppY> http://www.cs.rochester.edu/u/jag/vw/engine/fi/YANMARVESmall2.GIF
how high is the fuel pressure normally feeding the injector pump?
I set the popoff pressure on my trooper injectors at 1950 lbs
I mean the incoming fuel
I think there's a little fuel pump on the engine, no pump in the tank
Oh feeding the pump according to the pump maybe 3 to 5 psi for a lift pump
after the thing I think is the fuel pump, it goes to a glass bowl filter with four connections
two to the injector pump, one (return?) to the tank
Sounds like return yes , I'm not sure what your junction is a filter or a water separator maybe ?
the thing I think is a fuel pump has a small lever I can press and hold. It springs back when released. It is meant to be operated manually like that. What could it be?
yes I think it's just a filter, there's a big water separator earlier in the system
luckily its a prime lever !
interesting! how do I use it?
Should it be run dry, the one on my truck just pumps up and down, this will get fuel to the pump. But you can still have some air in the high pressure lines
oh so I should press it several times. I was holding it and cranking, which seemed to do nothing.
this is very helpful, thanks
Sure thing cradek , that does sound like a prime lever to me
I'm pretty smart with gas cars, but feel like a moron here :-)
ok I will try that. it did squirt a little gas out of the open line when I pressed it. I bet it is definitely a primer.
naaah most people that ask don't know the difference b/t pressure and volume
this also had a problem with the glow circuitry. that may have been what "killed" it a few years ago
it's no fun when you fix one problem and it still doesn't work!
I didn't use the glow circuit when I rebuilt the engine and broke in on the ground.. ~20 seconds cranking time the prechamber area gets hot enough to self ignite
I was surprised this heats the intake air. there are not glow plugs.
it was nearly 40 degrees today. I think it could have started without glow if everything else was right?
Dipstick heater or block heater is nice too
yes it has those too
It should be fine after a prime
so I should prime with the lever, and then pull each of the hard lines and crank until I get a dribble out of them?
If the lever doesn't do it open the hardlines 1/2 turn all together till ya get a dribble.
oh just loosen the nut a bit and it will ooze out?
Yeah it's a banjo fitting on the hardline at the injector
most likely that is
works same for flare
ok I see
bbl hope that works out cradek
I'll sure let you know
in general, do debian packages install on ubuntu
curious about this: http://wiki.debian.org/EmdebianToolchain
you can try, but not really.
I'd hate to have to install debian, last time I tried, it was a nightmare
I bet you can rebuild the packages from source and get working debs
i like debian!
you may have to tweak the list of dependencies
that's because you are nightmareish
I got so many things to do, probly not worth it right now
i install debian base on the netinst cd
and just install bare minimum packages
fluxbox and some web apps
mostly I didn't like it because installing debian was so crude, musta gotten better
isn't it still a bunch of ncurses things
I was hoping it wasn't
any installer where I have to type a thesis is too much work nowadays.
I wanna click next a few times and be done
eric_U, you could try installing emdebian-tools
which is in an Ubuntu repository (for 7.10 anyway)
don't seem to have a package for 6.06
I guess hoping for a fedora package is too much to hope
you might get somewhere by looking at the package dependencies on 7.10
or just get makecross (or crosstool or whatever it's called now) and build away
ah - http://kegel.com/crosstool/
I need to build up another computer with ubuntu on it
I did a debian 4 install on a virtual machine a few days ago. It was really easy on the install.
[#emc] "This is the #emc channel - talk related to the Enhanced Machine Controller and general machining. Website: http://www.linuxcnc.org/,
wiki at http://wiki.linuxcnc.org/"
I just compiled something, and it completed without error
but it was not supposed to do that
damn bugfree software
alex_joni:can the amount of look ahead be changed in emc?
got an interesting job today cradek google "merlin band clock" this one not to well built/assembled , just needs proper finishing and squaring up as far as I can see
jlmjvm: hmm, you can probably limit it
but only hackerish, and I know of no simple way of extending it
guess you know Dave West Clocks in suffolk?
there seems to be a book about, this one came as parts went to a dumb clockmaker who could polish but not get things straight and the correct clearances
archivist: book: http://www.antiqbook.nl/boox/gys/W1372-4866.shtml
yup and seems to have been republished
that's a really awsome clock http://www.clockmaking-brass.co.uk/merlin-band-2.jpg
alex_joni:how much look ahead does emc have,havent been able to find any info on the wiki
alex_joni, I shall have to take a better pic of this one, they look good on the flesh
BigJohnT:hows the plasma cutter coming along
good I'm done with the X and Y and have a jury rig to hold the plasma torch for some testing
working on the Z axis now
"jury rig" ==finished and werkin :))
well thats what it seems to mean here sometimes
temp for testing only
jlmjvm: did you upload your ini and hal files for the steppers with encoders on wiki?
I thought that was an interesting article
archivist: 'nother book http://www.clockmaking-brass.co.uk/merlin%20clock.html
jlmjvm: in what do you define lookahead?
g-code lines? segments?
yes Im not too impressed with J wilding (met him)
jlmjvm: can't answer that
you can have 10 g-code lines and still mill 24h
if you have an O-word loop for example
[12:42:55] <BigJohnT> http://i47.photobucket.com/albums/f163/johnplctech/Plasma%20Cutter/Plasma010.jpg
BigJohnT:no i havent uploaded them yet
do you need a copy,can paste them
no, just wondering
pic looks good
might get to test is this weekend on a sheet of 10 ga
I have to make coffee and bullet boxes for a duck blind
jlmjvm: also.. you must consider g-code cycles (like drilling) and such
the idea is that the trajectory planner is the one that does lookahead
it works on segments though (lines and arcs)
#define TP_DEFAULT_QUEUE_SIZE 32
I *think* that one might be the one you're after
Guest188 is now known as skunkworks_
alex_joni:i think that may be it,should that be added to the traj planner section in the .ini file?
trying to get smoother motion when cutting a surface with a lot of x y z points from a cam system
have you tried G64 Px.xxx ?
Just this once .. here's the log: http://www.linuxcnc.org/irc/irc.freenode.net:6667/emc/2008-03-07.txt
skunkworks:is that the path tolerance
trying that right now
also - if your machine has pretty low accelleration - it will be herkey jerky
that does make a difference
the accel is fine
yes it is path tolerance (didn't see that question..)
If I understand it - with out path tolerace - it tries to touch every line. With it - it blends lines togather that are within the specified tolerance.
skunkworks_:G64P0.005 make a heckufa diff
jlmjvm: cool. Is it within your tolerance?
(can you live with it?) Do you have some time differences between the 2 runs?
just checking on sim now,but the diff is visible on the vel
.005 should be cool on most stuff
do you remember who made that small trunion table that was on youtube?
cant find it,used to have the link,but the old computer died
without the i
[14:50:32] <skunkworks_> http://youtube.com/watch?v=w0-tXDEvAqg
they should rotate the rotary table 90 degrees so the stepper doesn't bang into the xy table
and tie the cable up, it wont last long like that
archivist: how much for such a clock?
we were just wondering here as well
couple grand ?
sure looks great
is there a way to make the live cd install without booting from cd?
ALS: I don't think so
i only have 128meg of ram and 8 shared vidio, on my dell I got it to install with that amount but this comaq,no luck
I doubt you can run the full ubuntu environment happily without more ram, even if you manage to get it installed
ALS: You want to boot from something else, but install the liveCd?
There's always GUI-less install, but like cradek mentioned, 128MB isn't very much.
ALS: Is this a new board? are there more slots to add more ram?
old 533mgz it runs w2k just but would like to get ubuntu on it
what are the ram specs/capacity?
tring to find that out now
yeah maybe up to 512
yes dimm sdram
ALS: check craigslist for your city... I got some ram recently for $15/GB
There is a link somewhere for cutting the end of a ball screw but I can't find it. Anyone remember it... It had a neat way to hold the ball screw in the lathe for cutting and centering...
JymmmEMC: the link is broken :(
BigJohnT: is there enough space past the threads for a steady rest to hold it? (and is your lathe long enough?)
My lathe is 42" long but I don't have a steady rest :(
no time like the present to make one!
this is a very short screw about 9" long
unless you can run it between centers I don't see much choice
will not go through the hole?
oh, that helps, I was picturing 36"
I'm just wondering how to hold it without marring the threads and how to indicate it in the chuck
4 jaw chuck
1/2-10 acme screw actually
how to center it? slip fitting sleave over the leadscrew?
bore a long soft collet that fits the OD?
yeah sleeve = collet
I have 5-C collet chuck ... slap on forhead
set your lead screw to the pitch of the thread
and a separate concentric one for indicating and set up if needed
never too early to start drinking I guess
good idea, you can run the indicator in the thread then
we're so smart (but only collectively)
Use some brass or aluminum strips as temporary softjaws and a bushing that will just slip over it to dial in the t.i.r.
I could make an aluminum collet real fast and use the 4 jaw to get it to 0.0001 run out using the patented ALS: indicator method...
is there a hole for a center on either end?
cradek: as long as the collective doesn't start assimilating people were ok
cradek: no center holes at this time
I have to turn down 1 3/4" for the bearings, nut, and connector so I'll indicate the end and put a center in it first
if you center drill them finish bore the center drill hole
ALS: I don't follow
many times the drill will get pushed off a little
This is a 1/2, don't know if I have a tool as small as that to bore...
you can indicate the center drilled part and if its good move on
ok, that I can do
good thing is I have 36" so I can practice on one and if I get some experiance instead of what I expected I can learn from that LOL
hss ground to 29 deg point ,compound set to 60degs
gene: it's silly to ask for help with commercial software on the emc list!
ALS: If you get the details on the ram, I might have available. But I'd rather it not just be a guess at the specs.
compaq can be funkyish
sdram dimm 100 or 133mz
ecc? nonecc? registered? max capacity? pairs?
ALS: look it up here if you can: http://www.oempcworld.com/
64 MB 100 MHz SyncDRAM, shared memory architeture, two total DIMM slots, upgradable to 512 MB - 8 MB dedicated for video memory (SyncDRAM DIMM required)
so probably 2x256sdram 100MHz
ALS: Wait....on board video? Are you sure you want to use that system for emc?
it be better to use an older system with no onboard video, even if you plan on using an ext video card.
some comaq on board still have a video system with separate ram
probably will be ok
if using system ram then not so good/baaad
if it says "8MB Dedicated for video", then it's just about guaranteed to be shared RAM
archivist: his is shared video ram, so that be a bad thing, but even if he uses an ext video card, that onboard is still visable to the system and just one more thing to have to deal with.
I don't relly plan on running a cnc with this machine just play time and have linux for learning and dev.
ALS: Well, shit... do you have $600?
BigJohnT: to accurately hold a ballscrew you can make a sleeve that press fits over the balls as they are in the thread groove
or if you use a drive pin you can use slip fit
the crests of the threads are not necessarily centered wrt the pitch diameter
I have a dell running EMC2
fenn: it's actually an acme screw
just wrap some aluminum shims around the chuck jaws then
JymmmEMC, note that those dells have no parallel port ...
they do have PCI slots though, so a Mesa card would sork :)
or work, even
SWPadnos: he said he want to play with linux, not cnc
then there's no problem with onboard video
that's only an issue when you actually want to control stepper machines
for $600 he can have a nice lil nix laptop
it isn't likely to be a problem with servos (or any other config that doesn't need a really fast BASE_PERIOD)
with 1GB of ram even =)
hey, what about a pcmcia paraport? anyone ever tried that?
yes, they work once you figure out the base address
usually they perform much better than onboard ones in a alaptop
that's some pair
mom pam and two on the way + rims
And the pregnant girl is looking for a boyfriend
or a girlfriend
(she didn't say :) )
Nah, that's what Mom is for
gf plus free mother
don't forget the pony
no - apparently that cuases friction in their mother-daughter relationship
dont forget that mom puts out too
yeah, a two-fer for the boyufriend, but it's short-term
Look @ the date, must have been a heck of a valentines
and DOUBLE child support.... the DA is gonna have a field day with this one, not to mention the one child will be the aunt/uncle to the other one.
step children ,neice,and sister
or half brother/sister
* BigJohnT humms I am my own Grandpa by the muppets
* skunkworks_ tries not to think about it
SkinnYPuppY: too soon after valentine
I used to know a bloke having fun mother and daughter
heh - ran the latency-test all night 8us
no 1ghz old compaz.
yes - should work grreat
hmm what model, compaq's seem common over here as well
lewin1 is now known as lewing
those really small cases
Intel cpu ?
case looks similar to this http://www.electronicsam.com/images/866mhz.JPG
(same style - this one worked good also but required a external video card as this one had shared memory)
actually was doing this http://www.electronicsam.com/images/866mhzyum.JPG
40khz step rate
The 1ghz machine doesn't have shared video memory. The onboard is working great
[17:22:46] <JymmmEMC> http://www.malevole.com/mv/misc/killerquiz/
I got 5/10
I got you need flash to play this game
Works fine in ubuntu for me
Im on an old debian box
they look like this http://cgi.ebay.com/2-COMPAQ-DESKPRO-EN-SFF-COMPUTER-PD1060-USED-TESTED_W0QQitemZ380002892977QQihZ025QQcategoryZ140072QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
that figures. I missed the one I should have gotten right - 9/10
(missed "son of sam"
* skunkworks_ is a son of sam ;)
different sam :)
and different son
[17:27:55] <SWPadnos> http://en.wikipedia.org/wiki/David_Berkowitz
weeeeee on my winbox 10/10
Have you ever programmed in SNOBOL? Inventing it is worse than being a serial killer. :-)
isn't that the Satanic version of COBOL? (Satanic New Order Business Operating Language) :)
fenn has some problems today..
apparently moving the cordless phone to a new location makes the DSL modem freak out
interesting. My cell phone gets into my speakers.. When my cell phone is about to ring - the speakers go SHRITS..
dee da, dee da, de de de de de de de
one lead screw done, thanks for the tips
wish I had my camera here
[20:03:15] <BigJohnT> http://i47.photobucket.com/albums/f163/johnplctech/Plasma%20Cutter/HPIM0624.jpg
crappy picture but it's done'
BigJohnT: nice work
looks absolutely spot on..
err.. what's it supposed to do?
it's the Z axis lead screw
where was the raw material from?
two bearings go on in the bearing block then a threaded shaft collar then the coupling
[21:07:40] <BigJohnT> http://i47.photobucket.com/albums/f163/johnplctech/Plasma%20Cutter/zassb.jpg
motor mount missing from that picture
so you tapped the plate that goes on the end of the 80/20?
fenn_ is now known as fenn
fenn: no there is a brass nut under that plate
two small screws hold the nut up
a polyurethane topcoat over regular paint is the greatest thing since sliced bread
BTW, fenn: that is frameworld not 80/20 it's more cost effective
wow frameworld is about 10 minutes from my place
the muppets are singing I am my own Grandpa on my computer as I type
* BigJohnT is off to the house, might make some sparks tomorrow...
acemi_ is now known as acemi