james@synapse:~$ mplayer /mnt/condivisa/download/DivX/complete/Chicago\ -\ If\ You\ Leave\ Me\ Now.mp3
chicago...I live in chicago till the year 2000 when I moved here.
les: how are the things going ?
chicago girls tended to be fat though.
unless you have money
i'm kidding on chat ..
poor= fat girlfriends
I know .. chicago is nice :)
ive been in l.a.
but not in las vegas :(
I was an engineer and director of R&d there, so my girlfriends were only a little fat
now....where is anna?
les: no idea..
i thint shes sleeping
and she uses emc???
she was interesting om emc, because i'm interesting on emc
as she was interestin on Linux. because im using Linux
you have to tell me jacky...does she look as good as she sounds?
anna_emc is a nice girls
but its a very difficult situation
i was married
ane shes was too
women are always a difficult situation
she have 2 son
7-13 years old
thats the big problem ..
I have children...I have been married twice!
but, shes a nice girls, really
les: ive been married for 5 years
I am in a remote area...I don't get to meet girls much anymore
there is no one here
Italy now seem America of may years ago ..
I dont know oh it work
but i see a lot of peoples from polonia
where is polonia?
oh really there are many many girls that want to meet you
all old and fat
18-19 years old
poland....yeah...many polish girls in chicago
they are good
they are fighting with the italian family ...
let me tell you
in chicago I had a neighbor with young polish daughter
she would walk by my houde often
she came in
went to the bedroom...
and locked the door.
She said she would not come out unless I gave her what she wanted
what did I do?
I gave her what she wanted.
les: right ...
* Jymmm kicks les in the shins
she was 18...but her mom got REAL mad
les the tools store only carries a PORTION of the onsrud line
les wanna guess what they did NOT have???????????????????????
typical...inventory costs money
les at another place I got a 1/4" downcut CMT bit
cmt is good
nice italian router bits ;)
no choice, I wanted in now damnit! lol
cmt holds a good edge...good micrograin carbide
got a 25A 220VAC relay for $3
les ah ok
jacky cmt= italian router bit manufacturer
cmt is the only good brand I know in italy
it is good
all my v carve bits are cmt
i'm planning a wood-cnc-machine with my cousin
the "laser" 60 degree cmt is very good
i found another brand here
WOW! Every OPTO 22 Solid State Relay is guarnteed for life.
but with no specification
maybe from spain ..
the brand is, freud pro
yeah, they have freud here too
oh .. you know ?
it seem from italy too ..
freud is italian but I'll bet cmt makes them
I have a freud blade on my circular saw
i tried , it seem nice enough
on wood ..
I have some lifetime warrantied blad in my compound miter saw
60 or 80 tooth
I was getting ready to order a bigger saw...but waiting to see how that broyhill auction goes
I may bid
otherwise, a grizzly 1023 table saw
I am having to up the horsepoer of everything
but no more today
spent $1600 on that colombo
it comes thursday
pricey router motor huh?
oh, I thought that was the cost of the loose women
women are MUCH more expensive.
[03:07:05] <Jymmm> http://www.cjohnhebert.com/Grizzly%201023.htm
yup that's it
it's MANUAL..... what the hell is that shit?!
If I don't win a bid on a tannewitcz...
I'll get the grizzly.
get the 3 20HP cnc machiens =)
ok if you will figure out how to pick up a 5000 kg machine
bed time for me
good night jacky
night les Jymmm
* Jymmm is back! Did ya miss me?
actually the cmt spiral bits are fine..every bit as good as onsrud
I think I'll be ok with the cmt bit, but I really wanted 1/8 and 1/16"
have to dig a little for those
yeah, I had remembered you mentioning CMT a ways back.
I bookmarked the roobbjack thing
yeah I use cmt on all the signs
robbjack is good....but $$
cmt ain't cheap either
I paid $17 for it
I pay about $60 for 1/2 spiral downcuts
robbjack 1/8" on a 1/4" shank is $21.65 list
griz has sk for about $40...but they don't last as long
think I'm gonna have a problem finding 1/16" =(
Isaw one 2 flute bit .0005 diameter
PCB I guess
typing is going courtesy of the anheiser busch brewing company
Since when do the Clydsdales type?
well I got a opto22 SSR for $1.50, but I'm not sure of the control ratings
i'm gonna sign off...spent far too much money today
err not control but load ratings
and a DPST 220VAC @ 25A / 120VAC coil for $3
very good deal
and gawd lets hope they just screwed up on the diagram and this isn't NC
just check it out on the bench
I have to pull the estop spindle relay....it's a nono on hight power vfd
thats not a good thing
may have to rewire some stuff
[03:32:44] <Jymmm> http://www.newark.com/NewarkWebCommerce/newark/en_US/endecaSearch/partDetail.jsp?SKU=96B8448&CMP=AFC-CC3763909474&QText=
I had to replace a relay like that on a power amp in the music room
1300w rms amp
I want to wire in ON/OFF buttons but still have some computer control. It'll take some additional DPDT relay plus some SSR to pull the whole thing off.
estop needs to be hard wird in case the computer poops
* Jymmm intriduces les to the 'jackhammer'! A 330 pound 22" bass speaker.
Yeah, the computer control is to start/stop the spindle, plus remove power from the controller (xylotex) board completely.
I have 3500 wrms in the music room....42 cubic feet of speaker enclosure
hey...used to design the stuff.
[03:36:56] <Jymmm> http://www.pcmag.com/article2/0,1895,1749572,00.asp
[03:37:13] <Jymmm> http://www.mtxaudio.com/caraudio/products/subwoofers/jackHammer.cfm
sorry, 320 pounds
biggest I ever saw was 36
oh, I got a bag of 1/4" fluted dowel pins today. I figure 36 for $1.50 was cheap enough and can easily be replaced at any hardware store.
anyway, I have enough. once a drywall panel fell down from the ceiing. Jimi hendrix worked the nails out.
yeah fluted dowels will work
ask paul about the music room some time
does it have an 8 track player?
speaker you could LIVE in
oops no 8 track
real to real?
still have an old 15" reel to reel though
I play old tapes from my rock band and stuff
you should get them to cd sometime
need to burn all that to cdr before the tape rots
bedtime for me
alrighty les, see ya in the morning!
Jymmm is now known as MrAsshole
MrAsshole is now known as Jymmm
alex_joni is now known as alex_joni_away
alex_joni_away is now known as alex_joni_iwe_aw
03paul_c * 10emc2-auto/wiki/ (13 files in 11 dirs): Auto update wiki from a cron job. Wed Oct 5 10:01:52 BST 2005
not very crowded in here, is it?
thats ok ..
the prob could be the shipping ..
but if we buy 10-20, probably is cheaper
120 to 300 cycles per revolution (CPR)
480 to 1200 pulses per revolution (PPR)
2 channel quadrature TTL squarewave outputs
i like to use non conventional object...
but im tired to lost the time .. :(
i need a machine up and running now
my next encoder... optical mouse, 800 dpi
in about 2 mounths
but support emc2 encoders?
i know.. my cousin has used hacked mouses ..
it seem to me a crap with the mouse wheel
bosone: theorically emc2 support sncoders
it has encoder hal component
pratically... i eard motenc should be the definitive solution
is in emc1 too?
nope, emc2 only
take a look also here for some interesting page on encoders..
[21:22:48] <Jacky^> http://www.seattlerobotics.org/encoder/200006/servo.html
bosone: emc2 has PID component too
would be interesting to try adding an encoder to a stepper notor with emc2 to see what happen
very nice article!
you you, that use microcontroller should be nice
i think is better with microstepping control with stepper and encoder...
i'm courius to know what emc can do with that ..
probably, someone, already tried here
now i have some of altera epf6016, in future i'd like to implement PID in fpga
about 1600 flip-flop
i dont like math :\
PID seem to use a lot of math
PID is very simple
tuning it, on the other hand, is hard.
position only ?
hi icee! yes pid is simple
what about speed, torque, temperature ?
hm? in a PID position loop, P is position, I is accumulated error, and D is speed
hey les :)
i like math at now in the university i'm studing numeric metods for complex number!
* Jacky^ nods
i dont like math ! :P
i dont like italians! :)
now were even =)
Proportional Integrate Derivate
italians are almost as bad as brits
however emc has pidff
bosone: i think would be a good thing to get emc know about PID ..
a little better
or, to implement a veri good loops that give no fault a the minimum error ..
it seem to me hard
"This concludes our nationality bashing for today. Please tune in tomorrow when we will have alex_joni bashing for your enjoyment"
jacky: the choice of the coefficients depend on the mechanical characteristics of the system
witha torque amp
p is like a spring
d is like a damper
I is also a spring, but it gets stiffer with time
les: nice explanation
bosone, good you like complex numbers. PID is often expressed as a system function which is a laplace transform
not easy to implement in software, rights?
sure it is
then simply write it ;)
thanks alex i look
les: what about 3 cm rounded bar with bearings instead of tradictional slides for wood-cnc machine ?
you like it ?
hmm, got disconnected
alex_joni: seen :)
probbaly slow ping reply to the server ?
no just disconnect
oh .. ok
22:13 < Jacky^> les: what about 3 cm rounded bar with bearings
instead of tradictional slides for wood-cnc
you like it ?
seem to be a cheaper way ..
I have made machines with it
it is not as stiff or strong
sawdust probs ?
the smaller profile rails are better and cheaper!
more strong then ..
15mm rail is best for you
for 1 mt machine ..
with all up this slides
the round rail is actually pretty expensive
les: do you remmebre the price for inch of rails profile ?
and yes 15mm would be perfect for a 1 meter machine
anyway, i will ask for quote ..
let me look at some quotes
yesterday i haved a discussion with my cousin ..
ok found an abba quote
it was for 20 mm
$93/meter for rail
$56 each for bearing blocks
uhm .. yeah
he said for 100 euro /mt
he can found 3c rounded bars
3 cm *
so 1x1x 5 cm travel...
a little over $1000
better work area ..
that is a good price but
so the sliders should be a bit more by 1 mt
cnc is not cheap!
would make a very good machine
is not cheap
I used 40 mm rail (thk) on my last machine
but is also true, that any oversized piece can have a big weight on final price .
it was about $400/meter
thk, nice, ive seen some rail
i know, very nice
32,000 lb load capacity on a set of 4 blocks
why so much?
to survive a crash
but a 15 or even 20 mm 1x1 meter machine would be very good
It could run all day
and not break
i want it ! :D
the slides should not have probs about speed i suppose
rails and ballscrews are over half the price of the machine usually
ive seen someone tested at 10m/sec ..
no problem with any speed
1 meter/sec is fine
yes some run at 10...I have seen it
hmmm what for dinner tonight?
red snapper, scallops, and pasta
les this seem nice:
[22:09:04] <Jacky^> http://www.nadella.it/
products -> linear guides
probably.. not cheaper
looks ok...but compression loads only!
i think not cheaper too ..
les_away: wich servos are you using for wood ?
how many watt ?
large SEM dc servos
1 Watts I should say
one of me?
after 6pm it's questionable
no watts then
no Watts then
jacky, 1.6 kW per axis
1600 watts for axis ? O_O
yes questionable after 6...i'll be in the music room listening to jimi hendrix
it seem to me a lot
yes jacky 1.6 kW
les_away: jimi through a 1.6kW surround system?
i was thinking.. 200 w
oh gawd.... 1600 Watts - now that's scarry! I wonder if the whole state of Georgia cna be evacuated
jacky my gantry is over 500 kg
for wood ?
ohh.. metal too
talking about wood
you need much smaller
what the right size ?
for a 1x1 machine 250w servos would be ok
2" x 2" x 2"
I made one 1x1x1" jymmm
it did 100g though
can i reach 300 inch/min ?
les_away what was the resolution?
les_away very cool - wafer fab usage?
I gave it to a university
no I designed it to solve a process problem by doing experiments and learning
it was fast
voice coil drive
usdigital linear scqales
let's see that was 38,000 inches per second squared?
so a move was just a loud click
too fast to see
Jymmm: a nice lens: http://cgi.ebay.com/CANON-600mm-f-4L-IS-USM-Telephoto-Lens-EOS-EF-Mount-NR_W0QQitemZ5622478665QQcategoryZ102947QQrdZ1QQcmdZViewItem
would have made a great tatto machine
les_away: latest question .. i will not stress you too much :P
a pulley reducer is needed on Z axis ?
its a good idea ?
always for woodworking
not always required...I have one though
probably not with light wood right ?
with a ball screw it can be direct drive
maybe endmill for roughing need it
cutting force for wood ds very low
usually about 100 N
especially if is 10 mm bit
most of the force is needed to accel the table or gantry
rather than cutting
my gantry is 500 kg
but 1000 kg effective mass including the screw inertia
so if you want 1 g accel....
that is 9.81 m/s^2
we'll call it 10
f=ma= 1000*10=10,000 newtons
can my machine supply 10,000 N force?
yes it can.
and that is why the servo is big
to get 1g
but not for cutting force
my cousin gave me a big dc pemanent servomotor
he has 2 of these
looking for some datasheet online
well for your machine...a 250 watt servo...
diameter 10 cm
> 50 kg is big
lenght about 18
would be about 50mm diam....200mm long
shaft up 1 cm
something like that
sounds 200 W to me
alex_joni_: to move an house ? :\
yeah just a guess alex
200 watt ??
about...depends on the rpm
Jacky^: as les_away said, just a guess
* alex_joni_ has some 200W motors
about that big
used in the MIG drives
les_away: i dont know nothing abput rpm of this motor
plug it in
how's it rated?
ive seen electro craft does not exist ..
it changed brand
many have I think
rockwell automation maybe..
the only thing i can do ..
a dc servo (and some others) can put out full torque at any rpm....so double the rpm and double the power
is to try it with a variable voltage/current supply and rpm meter..
les_away: infact with only 9 volt it run :\
and cant be stopped with hands
speaking of motors...I think the colombo comes tommorow
have to do some rewiring of the machine though
hope I don't have problems with the motor power line being next to encoder lines in the flexible conduit
may have to put reactors on it
hope not needed
what kind of lines?
power and encoders?
also I have to program the vfd and hook it to emc and the estop system
les_away: solved with the toolchanger ?
alex, like most I have all the lines in Igus energy chain
I meant what kind of wires?
so a 4 kW 240v PWM three phase line will be near encoder and signal lines
shielded and differential
should be safe .. but you'll never know till you try it out
I have some 2kW 300V AC phase-controlled running through the same cable as the encoders
yes....the only thing I might have a problem with is the limit switches...they are single ended TTL
might want to boost them to 24V
and use some opto's on them
well I have about the same...phase controlled router
yeah 24v and/or diff
or maybe 42V :D
that was the standard a few years ago
really 24 is standard and would be better
I find it all the time on robots older than 1990
I just used 5 because it was there
but nowadays everything is 24V
bet I will have to change that
If I keep it single ended...very easy.
diff still not too bad...couple of $1 chips
line drivers etc
I'm thinking about setting up my machine so that when the current job is complete to shut off spindle AND power off drivers as well. any thoughts/comments?
estop on powers down my driver amps. hard wired arm switch disconnects the servos
les_away: might want to connect a brake on estop
they should just fund the hubble origins probe thing
use hubble as long as it works
and don't bother to deorbit it nicely
that was meant to go to another channel
sorry in and out
the servos are braked with 10 ohm shorting resistors
estop will disable the vfd as well
ok then ;)
but I note that a disconnect to the spindle after the vfd is not a good thing to do
* alex_joni_ goes to bed
alex_joni_ is now known as alex_joni