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linux _may_ be easier I know the buildbot manages to run both something relatively new and 10.1
cant Win7 lie and say its XP
sure but don't discount seb's wizardry
No not at all, and unfortunately he's not around to help
(sometimes I think I'm surrounded by wizards)
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steveb I think is not understanding G64
G64 - without P means to keep the best speed possible, no matter how far
away from the programmed point you end up
Clearly it's not doing that.
^ It keeps up the best posible speed while still touching each segment
if I understand it right
short segments at the end
version 2.5.x ?
AFAIK a certain T company is OK with CSS
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Or are these complaints about suboptimum CV mode for high speed profiling/routing?
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would it be possible to use a RAMPS controller board with nema 17 motors for a small cnc router using a dremel?
why that expensive
there are so cheep boards for 3 axis
pcw_home, cv complaints
IchGuckLive: mainly because I think I can get a ramps for free
then go for it
but it is more work
get the simple tb board
well, is the nema 17 strong enough?
not for brass milling in direct mode maybee
but chees is always a good to go O.O
what would you reccomend for plastic and wood?
its not the stepper its the frame and the router
well, I want to upgrade with a spindle later
er mah gerd
thats not a dremel :P
whats with the reprap invasion lately?
if you go nema17 on 5:1 brass is also good
ReadError: We love to make stuff, its natural that we nag you :P
yea but you all insist on using bootleg hardware
fomox: are you in the USA
IchGuckLive: no, Norway
norway and then go for the leadshines
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fomox: and a good Nema23
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what is your budget to be
as cheap as possible ofc :P
thats everyones budget
then you will end up with double money
500 usd maby?
thats quite mutch
I dont really want to spend that much tho :P
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r 325 are
krones 325 in Euro
325 nok is 41euro
Anybody running servos in step and dir mode ?
Should they sound like steppers or servos ?
heh - what do you mean? they should sound like servos....
[17:51:35] -!- ktchk [firstname.lastname@example.org] has parted #linuxcnc
ReadError: it's probably the work on the BBB+BeBoPr-amadamadingdong cape/shield/serape/expansion IO board
They are sounding Notchy almost noise issues I'm thinking
Just wanted to check been bugging me for a while now
they may dither...
step/dir seems like a cruel thing to do with a servo + linuxcnc
[17:59:15] * skunkworks_ wasn't going to say anything...
you are very politic in your postings also.
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[18:03:13] <skunkworks_> http://groups.yahoo.com/group/mach1mach2cnc/message/141363
[18:08:04] <skunkworks_> http://groups.yahoo.com/group/mach1mach2cnc/message/141361
heh, I've been following that - interesting!
[18:12:39] * skunkworks_ reads it instead of watching reality tv...
:) unfortunately I still have to write plugins for that mess.
just like mach talk is OT on our lists, I imagine this is frustrating for those readers
mozmck, you have to do what makes the money...
cradek, what are the drives in the jr?
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umm big open frame yaskawa things
the Z is a slightly different model from the XY
ok.. (wondering if they where seimens.
I can probably find model numbers somewhere if you need them
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they look vaguely like http://www.ebay.com/itm/230863527662
nope - nothing like that :)
under the circuit board is huge transistors(?)
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have a dust collection question
so, i have 2 cyclone filters, and 2 shopvacs (4.5hp each)
would i be better of running, dust -> cyclone -> cyclone -> y splitter -> 2* shopvac
or dust -> y splitter < cyclone(2) = shopvac
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ReadError: depends on what your goal is
well im cutting a bunch of g10
do you want a maximum of dust-extraction, or maximum airflow?
i want filter life and remove the most amount of dust
or a good balance
a cyclone will slow down your airflow
i think the cyclones in a series would catch most all dust
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so thats why i was thinking about putting 2 vacs behind it
i guess you will have to try
and ill just run a foam sleeve rather than a hepa
still even 1 cyclone rocks
i should have got one much sooner
mine does *much* better than that
but i didnt make them, i just got them from amazon
but the video shows the basic physical principle and properties :)
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This guy makes everything out of wood.
His raid siren was a bit intimidating.
wow - I wonder how he has all his fingers...
[18:41:50] <skunkworks_> http://www.youtube.com/watch?v=XAfvOjdZpkg
Hehehe, I sort of cringe when he turned uses his table saw as a 'lathe' tool.
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'mechanical' sound devices are cool though. Sort of like mythbusters made a crank actuated 'subwoofer'.
driven by a petrol engine.
I think that's how they invented dubstep.
cradek, I did some more research on the gleason method of gear shaving had this in a book http://www.collection.archivist.info/showresult.php?prog=1&srcprog=subcat.php&srcdata=subj&subcatpage=1&maincatpage=1&Type=BK&Accn_no=2918&subject=3806
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that looks really cool but I don't remember us talking about this
got new stepper driver
motor was acting weird
thought it was a dud
replaced with another gecko driver
motor acting weirder
been working on it all fucking day
just realized a wire broke off the fucking connector that goes to a phase of the motor....
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cradek, the gleason gear shaving video from a few days ago http://www.youtube.com/watch?v=15anXJ1y3PI
double taper planer
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wow that's slick
I want 6 axis , having just bolted up the 5 axis in a form to try and mimic that
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soo, got ne mill bnits and the LEDS... milling a motorcacle led headlight bulb now... AL 7075 is nice stuff... made a little error in the gcode: there is a triangle pin about 0,15mm by 0,15mm left... 9.5mm deep... any cheap AL 99.9 or such would bend and get cut... not this stuff: -> http://www.youtube.com/watch?v=o53RsosYwGg
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[21:21:39] <skunkworks> http://groups.yahoo.com/group/mach1mach2cnc/message/141364
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looks CAM generated code cutting lots of air
skunkworks: is that guy bitching about the chargepump not working?
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what an idiot
what Tom said
kinda shows the mentality of those using mach3
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that's what I've seen in my limited exposure
it's just happenstance it worked with no pullup
anybody in any kind of digital electronics knows you need pullups on some things
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well if that's what the croud looks like, i can view it from afar
a lot of people just expect it to work if you plug it in
you mean like the arduino croud?
like the G code boy that didn't think he should have to learn G code to run a CNC machine
well he shouldn't. you should just help him out
and write his programs too
i would but i bet he wouldn't like my rates
he might need a swiss bank account for that
You cant really have a pullup because its on the PC side of the isolation and there's no 5V available there.
probably the best fix is for LinuxCNCs parallel port driver to set the port into EPP mode as a default
<snark> but perhaps better to let him stay a mach user </snark>
much easier that way
i'm good with that
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explains why Lcnc adoption is no more prolific
than it should be
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so how many machines run mack3 vs LinuxCNC?
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hard to tell the numbers/ it's usualy skewed by the mavh crowd.
but the average user should have no problem with a basic lcnc setup but the mach crowd steps in and bitches about an experience from 10 years ago
every used machine I've ever gotten was wired by someone that had little understanding of it
[23:19:21] -!- Mikegg [Mikegg!~Mike@c-98-194-206-104.hsd1.tx.comcast.net] has joined #linuxcnc
from things as simple as line cords, swapping neutral and ground to wrapping analog lines around motor power conductors
i believe if the general hobbyist was given a well documented well built lcnc minmill setup they would be pleased as punch
cnc4pc tries to make it simple with RJ45's for most connections between boards and some people even mess that up
I got a cnc4pc board. The rj45 was more confusing than the screw terminals
but a really well documented howto for a Linuxcnc mill would be a good idea
working on it!
like the integrators manual?
or for some detailed, specific low-end setup
pport, chinese tb board?
it should be detailed and simple with no missing steps
a mom version (assuming your mom's not an engineer)
that might be the Getting Started Guide
as soon as you add two choices, the detail doubles
and then each of those two choices...
the great thing about LinuxCNC is you can do almost anything if you set your mind to it
3 axis stepper version
wiring too? and limits/homes?
shared switches? sink/source? breakout board?
far too many options to try and cover them all
people with varied degrees of missing info and abilities
the sample configs cover a lot.
wiring and associated best practices are not LCNC specific
correct thats the part where it goes for a S@#$
I believe the G540 charge pump works fine with a buffered BOB, without any EPP monkey business, but the G540 is marketed as having a built-in BOB, so users are loath to adding one. It's a matter of principle. :)
Even better, use the G540 with a Mesa card.
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either way he was an asshat
[23:36:56] <JT-Shop> http://www.youtube.com/watch?v=Qu_rItLPTXc
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I have always found this group to be helpful when needed
there is lots of asshattery to go around.
JT-Shop: That's right, get all the *KIDS* to sing the song =)
heres one http://www.youtube.com/watch?v=MYiahoYfPGk
This video previously contained a copyrighted audio track. Due to a claim by a copyright holder, the audio track has been muted.
yea saw that
[23:41:09] <Jymmm> http://www.youtube.com/watch?v=_FrOQC-zEog
[23:41:18] <Jymmm> http://www.youtube.com/watch?v=w8CV_9dhojw
good video too http://www.youtube.com/watch?v=_JQiEs32SqQ
This one is for you JT-Shop http://www.youtube.com/watch?v=9hysdyVGpsE
[23:43:17] <Jymmm> http://www.youtube.com/watch?v=xKBttQmhDBw
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[23:43:40] <Jymmm> https://www.youtube.com/watch?v=fI8U3pPx66I
is it movie night?
no audio on this one
skip that one
they are all music, just in video form
on a goofy note anyone done a gear change on a bp knee mill
[23:46:21] -!- Valen [Valen!~Valen@c211-28-237-68.blktn6.nsw.optusnet.com.au] has joined #linuxcnc
like from low to high with CNC?
so I'm tossing up between steppers and servos
I can barely change gears by hand, I can't image it being done with a cylinder
was thinking of using a rotary pneumatic actuator
Anyone here run Octoprint?
the job is a lathe, with existing screws (acme) but it has 5um scales on it
I'd rather toss the whole variable speed gear box out the door and just put a timing pully on the spindle and a inverter rated motor
so I'm tossing up between 387oz in steppers, a gecko 540 and that parallel port mesa card
thats why i said goofy
whole system is atound $650
[23:48:41] <CaptHindsight> http://octoprint.org/
and it can do 4 axies
there is no sync ring on the high low so it is a pia to change
I'd never use a G540 with all the issues it has
So i was thinking I could stick one axis as the spindle, and (with a clutch) make it so i can rotate the spindle well
use it like a rotatry axis
ah Valen. That means you wont need my 5i23
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option B is the 5i23, 7i43 and http://www.automationtechnologiesinc.com/products-page/nema23-m-dc-servo-motor/skewed-servo-dual-shaft-3
if I was going the low voltage stepper route I'd use the G251's and not be tied up with the rest of my parallel port lines
but it winds up at $950
what are the issues of the 540?
charge pump, and some timing issues
JT-Shop. Yeah mine is pretty efort less but still need the spindle to rotate a bit to latch in
it seemed to have a handful of other I/O stuff on it that would have been handy, stuff like the vfd +10v interface and such
whats up with the timing?
some people have has problems losing steps or something like that
the issue with the servo system is 1 it costs more, and 2 costs more money to add more axies
yeah but performance
I was planning on doing the whole "closed loop" stepper thing using the linear scales
what are your requirements? that should tell you what to get
that tends to be a time sink
it was meant to be cheap ;-> but we don't like crappy stuff either
its just the scales are already on there, so it seems a shame not to use them yaknow
yea that does seem to be a problem that shows up a lot
what size lathe is it?
about a meter with a swing of 230
valen why did you say 5i23 & 7i43 did you mean either or
got my numbers mixed
the "400w" dual driver
getting the high voltage one, 80v 7A
we have a 48v 1Kw power supply sitting here
so bigger than a desktop lathe... with acme screws
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something like this http://www.machineryhouse.com.au/L183
we put a VFD spindle on it
Andy refitted one about that size I think
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Servos don't have to be expensive if you can be patient (on eBay) and creative (recycling) .