#linuxcnc Logs
Jul 22 2025
#linuxcnc Calendar
12:16 AM lcnc-relay: <meisterdippel@> good morning
12:52 AM lcnc-relay: <TurBoss> morning
12:58 AM Deejay: moin
03:23 AM lcnc-relay: <travis_farmer@> Morning
04:01 AM lcnc-relay: <miniwini@> Moin
04:22 AM lcnc-relay: <meisterdippel@> moin
04:37 AM lcnc-relay: <miniwini@> someone here who can help out modifying the omron mx2 ethercat driver?
04:44 AM Tom_L: morning
04:50 AM lcnc-relay: <meisterdippel@> miniwini@: https://forum.linuxcnc.org/ethercat/50730-omron-mx2-ethercat-control
04:55 AM lcnc-relay: <miniwini@> thx, i know that thread, just want to modify the driver to get some more data, such as actual torque for example...
04:56 AM lcnc-relay: <miniwini@> this was my initial thread for my omron mx experience 🙂 - https://forum.linuxcnc.org/ethercat/56600-omron-mx2
05:25 AM lcnc-relay: <meisterdippel@> miniwini@: wenn du die pdo einträge hast, kannst du die doch ins ethercat-conf.xml eintragen und die hal-pins sollten da sein
05:26 AM lcnc-relay: <meisterdippel@> kenn mich da auch nicht wirklich mit aus, aber für rio hatte ich das mal so gemacht:
05:26 AM lcnc-relay: <meisterdippel@> <slave idx="0" type="generic" vid="0000079a" pid="defede16" configPdos="true" name="rio">
05:26 AM lcnc-relay: <syncManager idx="1" dir="in">
05:26 AM lcnc-relay: <pdo idx="0x1a00">
05:26 AM lcnc-relay: <pdoEntry idx="0005" subIdx="1" bitLen="32" halPin="modbus0.temperature" halType="float-ieee"/>
05:26 AM lcnc-relay: <pdoEntry idx="0005" subIdx="2" bitLen="32" halPin="i2cbus0.lm75_0_temp" halType="float-ieee"/>
05:56 AM lcnc-relay: <miniwini@> meisterdippel@: wenn da so ging wäre es recht einfach... im treiber selber steht leider alles unter "TODO"
05:57 AM lcnc-relay: <miniwini@> // TODO:
05:57 AM lcnc-relay: //
05:57 AM lcnc-relay: // - Add digital inputs (0x3010:28
05:57 AM lcnc-relay: // - Add digital outputs (0x3010:29) (read only -- function set via C021 on front panel)
05:57 AM lcnc-relay: ... long message truncated: https://jauriarts.org/_heisenbridge/media/jauriarts.org/DimaCZZnsEIuNqenwuIKHWOO/5GmsmdW4z2A (17 lines)
05:58 AM lcnc-relay: <meisterdippel@> miniwini@: link to the source-code ?
05:59 AM lcnc-relay: <miniwini@> https://github.com/linuxcnc-ethercat/linuxcnc-ethercat/blob/master/src/devices/lcec_ommx2.c
06:06 AM lcnc-relay: <meisterdippel@> // XXXX: Similarly, uncomment these for input PDOs:
06:07 AM lcnc-relay: <meisterdippel@> ....
06:07 AM lcnc-relay: <meisterdippel@> have you try this ?
06:15 AM lcnc-relay: <miniwini@> no, not yet
07:33 AM lcnc-relay: <.le_potato@> warum deutch sprechen?
07:51 AM lcnc-relay: <meisterdippel@> .le_potato@: sometimes it's easier for a quick answer
07:52 AM lcnc-relay: <.le_potato@> kein problem
07:53 AM lcnc-relay: <.le_potato@> i sprache deutch auch
07:53 AM lcnc-relay: <miniwini@> where are you from?
07:54 AM lcnc-relay: <meisterdippel@> Frankfurt 🙂
07:54 AM lcnc-relay: <meisterdippel@> near
07:55 AM lcnc-relay: <.le_potato@> hungary, the austrian border is like 1meter far
07:56 AM lcnc-relay: <meisterdippel@> i would have guessed france (Le potato)
07:56 AM lcnc-relay: <.le_potato@> nah
07:56 AM lcnc-relay: <.le_potato@> i live in balkan
07:56 AM lcnc-relay: <.le_potato@> this side of austria balkan as well
07:57 AM lcnc-relay: <.le_potato@> but germany more like turkey now
07:57 AM lcnc-relay: <.le_potato@> or afrika
07:57 AM lcnc-relay: <meisterdippel@> no, more like syria 😂
07:58 AM lcnc-relay: <.le_potato@> haha
07:58 AM lcnc-relay: <.le_potato@> hungary is asia
07:58 AM lcnc-relay: <.le_potato@> lot of chinese and filippines
07:58 AM lcnc-relay: <.le_potato@> but we love them, they are so kind, cooks good
07:59 AM lcnc-relay: <meisterdippel@> i live in the countryside, it's quiet there
07:59 AM lcnc-relay: <.le_potato@> in germany?
08:00 AM lcnc-relay: <meisterdippel@> yes
08:00 AM lcnc-relay: <.le_potato@> ah frankfurt, my bad, just woke up
08:03 AM lcnc-relay: <meisterdippel@> miniwini@: which corner of germany are you from ?
08:04 AM lcnc-relay: <miniwini@> near duesseldorf
08:05 AM lcnc-relay: <miniwini@> last weekend i was near frankfurt 🙂
08:05 AM lcnc-relay: <miniwini@> in weiterstadt at spinogy 🙂
08:06 AM lcnc-relay: <meisterdippel@> ohh cool spindle's but never heard of them
08:46 AM rmu: youtuber "marco reps" has 1-2 videos about spinogy
09:02 AM lcnc-relay: <miniwini@> quite cool spindles... 🙂
09:46 AM lcnc-relay: <die_limonade@> and also quite expensive 🙂
09:49 AM lcnc-relay: <.le_potato@> i want spindle with air tool changer
09:49 AM lcnc-relay: <.le_potato@> i have one but that for engrave
09:51 AM lcnc-relay: <.le_potato@> i think thats have no torque
11:45 AM roycroft: who maintains wiki.linuxcnc.org?
11:47 AM xxcoder: good cloudy morning
11:49 AM roycroft: it's sunny here
11:54 AM JT-Cave: users
11:54 AM JT-Cave: users maintain the content
11:55 AM roycroft: oh, i have the answer
11:55 AM roycroft: nobody
11:55 AM roycroft: the site is hopelessly broken
11:55 AM JT-Cave: how's that
11:55 AM JT-Cave: ?
11:55 AM JT-Cave: seems ok to me
11:55 AM roycroft: self-signed certificate that my browser rejects
11:55 AM roycroft: switches back and forth between http and https
11:55 AM JT-Cave: ah that is SW Padnos
11:55 AM roycroft: download links give 404
11:56 AM JT-Cave: which link?
11:56 AM roycroft: all easy to fix, but right now it's useless
11:56 AM roycroft: https://wiki.linuxcnc.org/uploads/tb6560_v5.gz
11:56 AM roycroft: there's one
11:56 AM JT-Cave: I get a security risk ahead with that link
11:56 AM roycroft: yes, of course
11:57 AM roycroft: because of the self-signed certificat
11:57 AM JT-Cave: wiki.linuxcnc.org uses an invalid security certificate.
11:57 AM JT-Cave:
11:57 AM JT-Cave: The certificate is not trusted because it is self-signed.
11:57 AM JT-Cave:
11:57 AM JT-Cave: Error code: MOZILLA_PKIX_ERROR_SELF_SIGNED_CERT
11:57 AM roycroft: letsencrypt is free and trivial to configure
11:57 AM roycroft: why the hell would anyone self-sign a certificate in this day and age?
11:57 AM roycroft: anyway, i used a different browser in a private session and went past the security warning
11:57 AM roycroft: and got 404s on the links
11:57 AM roycroft: so it wasn't even worth the risk
11:58 AM roycroft: the site should be fixed or turned off
11:58 AM roycroft: it's an embarrasment to have it set up the way it is
11:58 AM JT-Cave: Hi John
11:58 AM JT-Cave: I was on with DH tech support, and apparently the certificate doesn't install automatically because of DNSSEC. They need to do some configuration manually, and need the following information:
11:58 AM JT-Cave: Domain:
11:58 AM JT-Cave: Key Tag:
11:58 AM JT-Cave: Algorithm:
11:58 AM JT-Cave: Digest type:
11:58 AM JT-Cave: digest:
11:58 AM JT-Cave: I'm assuming the domain is wiki.linuxcnc.org, but it may have a domain-specific meaning (see what I did there :) )
11:58 AM JT-Cave: - Steve
11:58 AM JT-Cave: that was to Andy and me from SW Padnos
11:58 AM rdtsc-w: links likely will work if changed from https to http or vice-versa as a temporary work-around
11:59 AM roycroft: they could all be changed to http
11:59 AM roycroft: https cannot work properly with a self-signed certificate
11:59 AM roycroft: modern browsers will complain and block
11:59 AM roycroft: the domain is linuxcnc.org, not wiki.linuxcnc.org
11:59 AM roycroft: and it should have dnssec enabled but does not
12:00 PM * rdtsc-w thinks Roycroft would be a great maintainer :)
12:00 PM JT-Cave: the only one with the key is SW Padnos
12:00 PM roycroft: although it is not necessary to implement dnssec to use letsencrypt certificates
12:00 PM roycroft: i offered for years, rdtsc-w, but finally gave up
12:00 PM JT-Cave: I can do ssh to the forum and access the forum software but that's it
12:01 PM JT-Cave: SW Padnos is the only one that can grant access to the dreamhost account
12:01 PM roycroft: that is also a big problem
12:01 PM JT-Cave: yup
12:02 PM roycroft: a community project needs multiple people with access to the important bits
12:02 PM JT-Cave: would you like SW Padnos email?
12:02 PM JT-Cave: agree
12:02 PM roycroft: i'm not sure i'm the best person to ask for shared access, even if it's not being shared with me
12:03 PM roycroft: i don't get the dnssec part, but that's not something that can be provisioned on a per-host basis
12:03 PM JT-Cave: it can't hurt and you do have more experience than anyone else here
12:03 PM roycroft: whoever manages the linuxcnc.org domain would have to to add dnssec
12:03 PM JT-Cave: I don't even know what dnssec is
12:03 PM roycroft: and that is also something i'd be happy to help with
12:03 PM roycroft: secure dns
12:03 PM JT-Cave: ah ok
12:03 PM roycroft: it prevents dns spoofing
12:04 PM roycroft: you have to add it on your dns servers and publish a key with your domain registrar
12:04 PM JT-Cave: I can log into joomla but not dreamhost
12:04 PM roycroft: the top level .org domain would know your key, and would be able to verify your dns settings
12:04 PM roycroft: . has .org's key and will verify that
12:05 PM roycroft: and your root.cache has .'s keys embedded
12:07 PM roycroft: i was just looking around for documentation on calibrating my motion control system and setting some reasonable acceleration paremeters
12:07 PM roycroft: when i ran mesact i picked some really conservative values and the motors crawl
12:07 PM roycroft: and the system is completely uncalibrated
12:08 PM roycroft: i stumbled on multiple links to the wiki, and that's when i started discovering the problems
12:08 PM rdtsc-w: any wiki needs nearly constant maintenance
12:08 PM JT-Cave: I've found acceleration to be 10 to 20 times max velocity depending on the drive etc.
12:09 PM * JT-Cave hears a nap calling his name
12:09 PM roycroft: the problems i found are mostly web server configuration issues, not wiki issues
12:09 PM roycroft: and the web server configuration should rarely need maintenance once it's set up properly
12:11 PM rdtsc-w: in any case, can't have one person, doing one thing a year
12:17 PM lcnc-relay: <.le_potato@> roycroft, what Wiki outdated:/
12:17 PM lcnc-relay: <.le_potato@> *that
12:18 PM rdtsc-w: JT worked on updates awhile ago, but linuxcnc keeps evolving
12:19 PM roycroft: again, this is web server configuration, not wiki content updates
12:19 PM * rdtsc-w is out
12:19 PM roycroft: and it should not change
12:43 PM roycroft: so i was just reading about the drivers i'm using, and i think i understand the problem i had when first configuring them
12:43 PM roycroft: somewhat unintuitively, powering the enable pin turns the drive off, not on
12:44 PM roycroft: when i wire my e-stop switch to the mesa board so linuxcnc can detect when i mash the button, would it be prudent to have the mesa board send power to the enable pins on the drivers?
12:45 PM roycroft: or is just having linuxcnc go in fault mode enough to ensure that motion is stopped immediately?
12:46 PM xxcoder: odd. I remember tb6600s needing power to enable to work
12:46 PM xxcoder: my memory is faulty tho so dunno
12:47 PM roycroft: i could not get them to work as they were wired when i got them
12:48 PM roycroft: and they were wired to provide power to enable
12:48 PM roycroft: when removed the connections to the enable pins they worked
12:48 PM xxcoder: BOB might be different from mesa board
12:48 PM roycroft: and i read a document stating exactly that - "enable" disables the driver
12:49 PM xxcoder: honestly my memory being faulty is more likely
12:49 PM roycroft: when i press the estop button it turns off the psus for the spindle and motion control
12:49 PM roycroft: but it takes a few seconds for the power to wind down
12:49 PM roycroft: and linuxcnc has no idea that things are not moving any more
12:49 PM roycroft: so i want to wire the button to the mesa board as well
12:50 PM roycroft: and that's the nature of my question - if linuxcnc detects an e-stop condition it will know to stop running the program
12:50 PM roycroft: but will sending power to the enable pins on the drivers stop motion faster than just having linuxcnc no longer send motion directives to the drivers?
12:51 PM roycroft: and if there is a difference, how much of a difference?
12:51 PM roycroft: a few ms?
12:51 PM roycroft: a second?
12:51 PM xxcoder: I recall something about sending + to all pins of steppers to stop them rapidly but only very vaguely
12:51 PM xxcoder: something for NO part of switch
12:51 PM roycroft: right
12:52 PM jpa-: roycroft: stopping step pulses may actually stop the motors faster than disabling the enable (which will usually free-wheel the motors), but the difference is likely to be negligible
12:52 PM xxcoder: or not all wires but some? sorry cant recall properly
12:52 PM roycroft: i'm going to finish the motion control internal wiring today - i just have to wire the mesa board to the drivers - and i thought i might start work on e-stop then
12:52 PM roycroft: thanks, jpa-
12:52 PM roycroft: i might not worry about that right now, then
12:53 PM roycroft: i'll just wire up the no switch on the e-stop button to the mesa board and make sure linuxcnc knows when i push the button
12:53 PM roycroft: longer term i need to illuminate my red indcator in an e-stop condition
12:53 PM roycroft: but that's a bit down the road - i have to get my relay hat working for that, and so far it's not working
12:54 PM jpa-: if your stepper drivers have any kind of error output (overcurrent or stall detection), wiring that to stop linuxcnc is a good idea
12:54 PM roycroft: i have an external relay that i can use if necessary, but i'd like to get the hat working
12:54 PM roycroft: they don't, afaik
12:54 PM roycroft: my geckos might, but these cheap ones do not
12:54 PM xxcoder: wouldnt you be able to simply wire NO for e-stop light? same time, it wouldnt be indictive of linuxcnc e-stop status
12:55 PM roycroft: xxcoder: what if i press the e-stop button in the linuxcnc gui, and not the physical button?
12:55 PM xxcoder: indeed
12:55 PM roycroft: if i wire the indicator as part of an e-stop out chain, then it does not matter what triggers the e-stop
12:56 PM roycroft: i might add an e-stop button to a pendant some day, which will not be wired in series with the one on the front of the cabinet
12:56 PM Tom_L: chances are very good that if you have an estop condition a few ms isn't gonna save your cutter
12:56 PM roycroft: i'm trying to do the right thing without overcomplicating things (which would not be the right thing)
12:57 PM roycroft: i guess what i need to do first is basic wiring, getting linuxcnc to detect the e-stop condition, and seeing how fast things stop
12:57 PM roycroft: i'm actually more concerned about the spindle
12:57 PM Tom_L: i stand by what i said
12:57 PM roycroft: it's not going to stop instantly and i don't know any way to cause it to stop instantly other than a crash
12:58 PM roycroft: which i do not want to do :)
12:58 PM Tom_L: by the time your reflexes react to push the button it's likely too late too
12:58 PM roycroft: yes, i'm going to react in a few hundred ms if i'm lucky and have had lots of caffeine
12:58 PM jpa-: on the other hand, spindle stall detection (by encoder) *has* saved me endmills many times already
12:58 PM xxcoder: yeah. dc spindle dont have any brakes at all
12:59 PM roycroft: this is also a tiny machine
12:59 PM xxcoder: yeah tools is likely to be cheaper anyway
12:59 PM roycroft: the consequences of an e-stop condition are much less significant than on a big machine
12:59 PM Tom_L: i could see stall detection as a handy thing
01:00 PM roycroft: yes, and when i get the encoder working that might be an interesting feature to add
01:00 PM roycroft: i was just reminded of a video i was watching last night
01:00 PM Tom_L: the size of cutters i normally run would snap before stalling i'm afraid
01:01 PM roycroft: a guy started a machining operation at the beginning of covid
01:01 PM roycroft: his three daughters were home schooled and home-bound because of the pandemic
01:01 PM roycroft: so he started a business to teach them and keep them occupied
01:01 PM roycroft: bottom line, it's 2025 and they have a decent sized, thriving business, and the daughters run it
01:02 PM roycroft: the oldest is 22, and she has amazing skills for someone that age
01:02 PM roycroft: they buy used cnc machines, medium size, and she ends up rewiring them completely before they go in service, as they come disassembled and torn apart
01:03 PM roycroft: i was impressed that someone so young (male or female) was so skilled
01:03 PM Tom_L: yup
01:03 PM Tom_L: we set both our boys up early for success
01:04 PM * roycroft should find that url
01:04 PM Tom_L: the young one is currently programming 5 axis for his day job
01:05 PM Tom_L: success can be measured many ways
01:07 PM roycroft: what reminded me of that video is that the girl was showing off their haas lathe
01:07 PM Tom_L: they must have a real interest in it
01:07 PM roycroft: she said they bought it cheap during covid when new ones were unavailable
01:07 PM Tom_L: that can be a major driving force
01:07 PM roycroft: the seller had purchased it, did something that injured him - i think he pinched a finger in the chuck - and became afraid of it and refused to use it any more
01:08 PM * Tom_L feels a nap is very much in order
01:08 PM roycroft: so instead of learning, run away
01:08 PM jpa-: the machinist version of Jaws the movie :)
01:09 PM roycroft: i can't find the video right now
01:10 PM roycroft: i was watching it on my tv last night, and the youtube app there does call home, so i'll probably get a different video from that channel recommended
01:10 PM roycroft: at which point i'll find the first one again
01:10 PM xxcoder: view history?
01:10 PM roycroft: on the tv i have that
01:10 PM roycroft: on my computers i do not keep history
01:11 PM roycroft: so tonight i'll probably be able to find it
01:11 PM roycroft: i'm not going to turn the tv on right now
01:11 PM roycroft: first of all, it would confuse the cats, because tv is a night time thing
01:11 PM roycroft: second, i have other stuff to do in the office
01:17 PM lcnc-relay: <skunkworks8841@> we need a bigger lathe...
01:17 PM lcnc-relay: <skunkworks8841@> are we getting a bigger lathe?
01:19 PM lcnc-relay: <skunkworks8841@> lol - sorry - The son and I just watched jaws - currently it is his favorite movie
01:22 PM roycroft: i've never watched it
01:23 PM lcnc-relay: <skunkworks8841@> pretty good movie - still holds its own.
01:23 PM roycroft: i've seen this though: https://www.youtube.com/watch?v=p_NS2H55dxI
01:25 PM lcnc-relay: <skunkworks8841@> lol - that tracks
01:26 PM lcnc-relay: <skunkworks8841@> https://www.youtube.com/watch?v=2I91DJZKRxs
01:50 PM Tom_L: OZZY has left the building
01:52 PM lcnc-relay: <skunkworks8841@> lol - My coworker and I were just discussing this..
01:57 PM olfluffywf: now put on the original Tremors movie for him. :)
01:59 PM lcnc-relay: <skunkworks8841@> oh - that might be a good one...
01:59 PM lcnc-relay: <skunkworks8841@> I was thinking close encounters..
02:00 PM lcnc-relay: <skunkworks8841@> He liked the richard drifus charactor..
02:06 PM olfluffywf: Tom_L: just saw the headline... now what you said makes sense. heh.
03:10 PM lcnc-relay: <skunkworks8841@> Ground lug that is on the 300 A welder
03:11 PM lcnc-relay: <skunkworks8841@> https://photos.app.goo.gl/iUoN46pvpeZJaqN97
04:29 PM roycroft: so today is turning out to be recabling my mini-router day
04:30 PM roycroft: not what i planned, but the cable mess was bugging me and making it hard to get things done, and since the drivers are all wired to the back panel, recabling the machine makes sens
04:30 PM roycroft: and i'm half done already
04:33 PM Tom_L: if you were here, you'd be half baked
04:33 PM Tom_L: 93F
04:35 PM roycroft: 29c here
04:35 PM roycroft: not too bad
04:35 PM roycroft: i just got a quote on my clutch - $983 parts and labor, and including a new flywheel
04:35 PM roycroft: they are going to do the job on friday
04:36 PM roycroft: cheap, fast, and within walking distance
04:36 PM roycroft: i like those things about the repair shop
04:36 PM xxcoder: seems reasonable
04:36 PM Tom_L: doesn't sound so bad
04:36 PM roycroft: yeah
04:36 PM roycroft: it would probably cost me $1500 in town, and i'd have to leave the car there for a week or so
04:36 PM Tom_L: 'kit' or resurface the old plate?
04:36 PM roycroft: it's a new kit
04:37 PM roycroft: and while i doubt it's oem, they get their parts from napa, so it's at least decent aftermarket
04:37 PM Tom_L: napa is good
04:37 PM Tom_L: from what i know of them
04:37 PM roycroft: they carry mid-grade to high end parts
04:38 PM roycroft: none of the crappy stuff like schmuck's
04:38 PM roycroft: better than o'reilly
04:38 PM roycroft: much better than autozone
04:38 PM Tom_L: yeah
04:38 PM Tom_L: we don't have one in town now though
04:38 PM Tom_L: plenty of the others...
04:39 PM roycroft: my shop rebuild money is disappearing :(
04:39 PM roycroft: but i need a working car
04:39 PM roycroft: and i can't afford to drive the pickup everywhere
04:40 PM JT-Shop: I'm impressed with the quality of the ignition switch I got from napa today, steel nut, nice threads, steel barrel and cost less than the crap one I got from Bomgarrs
04:41 PM roycroft: yeah, they have consistently good quality parts
04:41 PM roycroft: and pretty reasonable prices
04:42 PM roycroft: we don't have bomgarrs here
04:42 PM Tom_L: same
04:42 PM roycroft: it's a feed store ++, right?
04:42 PM JT-Shop: farm supply yes
04:42 PM Tom_L: we have tractor supply though
04:42 PM * roycroft has heard of them
04:42 PM JT-Shop: they have the biggest DeWalt selection that I've ever seen
04:42 PM roycroft: so mostly crappy chinese stuff these days
04:43 PM roycroft: all the farm/feed stores carry crap now
04:43 PM roycroft: except their clothing departments
04:43 PM JT-Shop: https://www.bomgaars.com/
04:43 PM roycroft: they have all the carhartts and stetson stuff there
04:43 PM roycroft: but you go to the tools department and it's all cheap crap
04:43 PM Tom_L: they recently put in a carhartt store here
04:43 PM Tom_L: prior to that i'd get them from the local supermarket
04:44 PM Tom_L: they have a clothing section :)
04:44 PM roycroft: the local food store have a clothing department
04:44 PM Tom_L: i wasn't impressed with the carhartt store though
04:44 PM roycroft: it's ray's, which are mostly located on the coast
04:44 PM roycroft: poor selection, high prices, but lots of tourist stuff
04:44 PM roycroft: our ray's has sweatshirts and tee-shirts for the tourists
04:49 PM JT-Shop: hmm we might get a bit of rain
05:07 PM lcnc-relay: <roguish> roycroft: what DNS servers do you use?
05:07 PM lcnc-relay: <roguish> setting up my new router
05:15 PM roycroft: i use my isp's
05:16 PM lcnc-relay: <roguish> ok
05:16 PM roycroft: you can use google's if you want
05:16 PM roycroft: 8.8.8.8
05:16 PM lcnc-relay: <roguish> what do ya think of cloudfair 1,1,1,1
05:16 PM roycroft: cloudflare are no worse than google :)
05:17 PM roycroft: but your isp's website should tell you which dns servers you can use
05:17 PM lcnc-relay: <roguish> i'm on Comcast....
05:17 PM roycroft: oh, 75.75.75.75
05:17 PM lcnc-relay: <roguish> PITA
05:17 PM roycroft: i need to go make a couple cables
05:18 PM lcnc-relay: <roguish> anyway, almost set up. now blocking a bunch of devices from the internet
05:18 PM roycroft: in parting, if you ever use an alternate isp, such as satellite if your primary goes down, then using your isp's dns servers probably won't work
05:18 PM xxcoder: curious what youre using for cables roy
05:18 PM roycroft: in which case you can try some of the public dns servers
05:19 PM roycroft: i have some 18ga stranded four conductor cables for the machine, xxcoder
05:19 PM xxcoder: nice
05:19 PM roycroft: they're shielded, but there's no easy way to connect the shield wires, so i'm leaving them a little long and will try them out without sinking the shields
05:19 PM roycroft: i think they'll probably work
05:19 PM roycroft: if not, i'll take other measures
05:20 PM roycroft: i'll try to take a progress picture this evening, but i'm not promising that
05:20 PM xxcoder: cool :)
06:05 PM JT-Shop: https://youtu.be/fODa0_JDmQk?t=502
06:05 PM JT-Shop: good old lathe with a flat belt drive
06:09 PM * JT-Shop calls it a day
06:10 PM lcnc-relay: <skunkworks8841@> JT-Shop: I did get the thc - thank you!
06:10 PM JT-Shop: cool
06:11 PM JT-Shop: your welcome
06:17 PM roycroft: z is now working, and it's a lot faster than x
06:17 PM roycroft: something must be wrong with the x axis
06:17 PM xxcoder: I would check the couplers
06:17 PM xxcoder: might be slipping
06:18 PM roycroft: yeah, i'll investigate further
06:18 PM roycroft: i want to get y wired up first
06:18 PM roycroft: and i'm not sure how to route that cable
06:18 PM roycroft: right now it's just tucked underneath the machine
06:18 PM roycroft: i could do that, but i'd want to attach it somehow so it doesn't dangle when the machine is lifted and moved
06:18 PM roycroft: anyway, i have to go to the store, then i'll get y done
06:18 PM xxcoder: yeah y should use only first wires belt
06:19 PM xxcoder: while z uses both belts
06:19 PM roycroft: y doesn't use the cable chain at all
06:19 PM xxcoder: er wire chain
06:19 PM roycroft: it does not need to - it never moves
06:19 PM roycroft: x uses the first chain
06:19 PM roycroft: z and the spindle use both
06:19 PM xxcoder: oh yes. I flippex x and y
06:19 PM roycroft: i might have tore place the second chain as well
06:19 PM roycroft: because adding a third cable for the encoder is going to be really tight
06:20 PM xxcoder: its possible to stack chains?
06:20 PM roycroft: not really
06:20 PM xxcoder: maybe side to side, if you can replace back plate
06:20 PM roycroft: the encoder can be like 24ga wire, 3 conductors
06:20 PM roycroft: so maybe i can find something small enough to easily fit
06:21 PM xxcoder: actually can just extend the lip
06:21 PM roycroft: i can probably fit a third cable if it's small, but it would be a tight fit
06:21 PM roycroft: the spindle cable is 2 conductor but it's 16ga with a thick, stiff jacket
06:22 PM roycroft: i'm not happy with any of the cables i got
06:22 PM roycroft: i bought cnc cables allegedly made for motion in cable chains
06:22 PM roycroft: what i got was fairly stiff cables
06:22 PM roycroft: and probably what i paid for
06:22 PM roycroft: the good stuff that's super flexible is like $10/ft
06:23 PM roycroft: which is outwith my budget, especially for this machine
06:23 PM xxcoder: yeah wow thats expensive
06:23 PM xxcoder: probably over $150 just for wires
06:24 PM roycroft: it is
06:24 PM roycroft: but it's like a limp noodle
06:24 PM roycroft: and rated for 100s of thousands of flexes
06:24 PM Tom_L: finer strands?
06:24 PM xxcoder: yeah I bet bend ratings is huge
06:24 PM roycroft: yes
06:24 PM roycroft: and probably some magic alloy that does not work harden
06:25 PM roycroft: and at $10/foot it's more like $400 to $500
06:25 PM roycroft: one design issue i had is that i wanted the cables to connect to the back of the cabinet
06:26 PM roycroft: and the cable chain on the machine ends at the front of the machine
06:26 PM xxcoder: hmm with $150 I guessed, it was just for machine itself alone. rest of wires being cheaper since it dont move much
06:26 PM roycroft: so i have to route the cables from front to back to get to the controller
06:26 PM xxcoder: pretty sure you can flip around the chain
06:26 PM xxcoder: need drill new hole but yeah
06:28 PM roycroft: i bought 10' of the 16ga 2 conductor cable and 50' of the 18ga 4 conductor cable
06:28 PM roycroft: the 16ga was barely long enough for the spindle
06:28 PM roycroft: and i'll not have a lot of the 18ga left over
06:29 PM Tom_L: same here
06:29 PM Tom_L: i got a 100ft roll
06:29 PM Tom_L: misread that as you have plenty
06:29 PM roycroft: i probably could flip it around, and i might consider doing that at some point
06:30 PM xxcoder: I hd set it that way because pc was closer that way
06:30 PM roycroft: it would just be rolled up most of the time
06:30 PM roycroft: but i'm going with how it is for right now
06:30 PM roycroft: this machine will be a work in progress for a while yet
06:30 PM xxcoder: indeed
06:31 PM roycroft: next time i have the cabinet open i'll check the dip switches on the drivers - one of the x switches might have gotten flipped accidently and it's being current limited
06:31 PM roycroft: that's easier to check than the coupler
06:32 PM roycroft: but i want to see how y performs before any of that
06:32 PM xxcoder: other possibility is it changed on microsteps to be higher so its moving less
06:32 PM roycroft: yes
06:32 PM xxcoder: I dont remember what I had set for any of those lol'
06:32 PM roycroft: the hal config is identical for all three axes, other than the range
06:33 PM roycroft: anyway, i need to run a couple errands and then get the y axis wired up
06:33 PM xxcoder: have fun
07:17 PM lcnc-relay: <skunkworks8841@> wow - get the correct settings on the welder and it works way better
07:17 PM lcnc-relay: <skunkworks8841@> (I found a chart - the only problem is the feeder is an old miller that is 1 to 100... lol not ipm
07:18 PM lcnc-relay: <skunkworks8841@> very little splatter compared to before
07:19 PM lcnc-relay: <skunkworks8841@> almost looks like an ok weld.
07:25 PM lcnc-relay: <skunkworks8841@> https://photos.app.goo.gl/dzkbKgWND9CnmbSw9
07:27 PM lcnc-relay: <skunkworks8841@> I still love the internet - eventhough a lot of it is a dumpster fire
07:27 PM lcnc-relay: <skunkworks8841@> To measure the wire feed speed (IPM) on a MillerMatic 30A spool gun, you can measure the length of wire fed out in a specific time and then calculate the IPM. A common method is to feed wire for 6 seconds, measure the length, and multiply by 10 to get the IPM
07:27 PM lcnc-relay: <skunkworks8841@> that is easy
07:31 PM lcnc-relay: <skunkworks8841@> I didn't do it that way - but checking it - I am running around 270ipm and should be 260... lol - close enough
07:32 PM Tom_L: looks pretty good
07:32 PM lcnc-relay: <skunkworks8841@> not bad for not welding for a couple years
07:32 PM lcnc-relay: <skunkworks8841@> and not with that welder
07:32 PM Tom_L: i had a loose gas hose on mine at the welder and didn't know it
07:33 PM Tom_L: once i figured that out, it quit spattering and i got some decent welds
07:33 PM Tom_L: i don't weld much at all but do have a small decent welder
07:33 PM lcnc-relay: <skunkworks8841@> I finally got some nozzle gel.. That is really nice to have - don't have to clean the tip as often..
07:33 PM lcnc-relay: <skunkworks8841@> I would love to get a nice small solid state one that does tig too
07:34 PM lcnc-relay: <skunkworks8841@> some day
07:34 PM lcnc-relay: <skunkworks8841@> this is 300 amp miller 100% duty cycle. So - it just goes...
07:34 PM Tom_L: http://tom-itx.no-ip.biz:443/~webpage/cnc/Mill_Steel/Welding/test_bead2.jpg
07:34 PM lcnc-relay: <skunkworks8841@> the one we normally use is in the other polebuilding.. That one is 400amp continuous.
07:34 PM Tom_L: just trying to dial it in there
07:34 PM lcnc-relay: <skunkworks8841@> nice!
07:35 PM Tom_L: miller 175
07:36 PM Tom_L: i helped a guy fix up his trailer once outside with some flux wire
07:36 PM Tom_L: i hated that stuff
07:36 PM Tom_L: spatters alot more
07:38 PM Tom_L: http://tom-itx.no-ip.biz:443/~webpage/cnc/Mill_Steel/Welding/Z_Column_tack2.jpg
07:38 PM Tom_L: that was before i figured out the hose wasn't connected right
07:39 PM lcnc-relay: <skunkworks8841@> nice!
07:39 PM roycroft: y is working, but as slowly as x
07:39 PM roycroft: it almost seems like a scaling issue or units issue
07:39 PM roycroft: like it's moving mm when it thinks it's moving in
07:39 PM lcnc-relay: <skunkworks8841@> move it 1 inch and measure..
07:40 PM lcnc-relay: <skunkworks8841@> we have a miller 90? sidekick?
07:40 PM lcnc-relay: <skunkworks8841@> 1/4 is about its limit
07:41 PM roycroft: units are inches in the .ini file
07:41 PM roycroft: i think i just have the motor parameters totally wrong
07:42 PM roycroft: it all works, though, so that's progress :)
07:42 PM roycroft: and i don't have the rat's nest of cables any more
07:42 PM Tom_L: this one is 220v and i think could do maybe 3/8
07:42 PM Tom_L: i haven't really pushed it
07:43 PM Tom_L: i've never really had it cranked up
07:50 PM Tom_L: i wasn't aware nozzel gel was a thing. shows you how much i use mine
07:59 PM roycroft: so x was set to 32 microsteps and my config was set to 0
07:59 PM roycroft: that would explain it
08:00 PM roycroft: and scaled down 32x is close enough to 25.4x that my suspician that it might be mm instead of in based on eyeballing it confirms that is likely the problem
08:06 PM roycroft: and yeah, x moves what appears to be 32x faster now
08:06 PM Tom_L: yay
08:07 PM * roycroft adjusts the scale of the other two axes
08:18 PM roycroft: yes, all is well
08:19 PM roycroft: i did a rough measurement from one of the gantry sides to the edge of the spindle bracket, then told x to move 1", and measured the difference
08:19 PM roycroft: it was 0.996", which i think is pretty good for a first go and a crude method of measurement
08:19 PM roycroft: i could have introduced that 0.004" error myself
08:20 PM roycroft: i think i asked about microsteps when i did the initial configuration with mesact, but if i got an answer i probably did not interpret it correctly
08:21 PM roycroft: and while i did not get done everything i wanted to do today, i did somethings i was not planning on, and i think i made good progress
08:21 PM roycroft: so it is time to make dinner, and i *might* go out and finish the internal motion control wiring after dinner
08:21 PM roycroft: i just have from the mesa board to the drivers to rewire
08:22 PM roycroft: but basically, if i had to make a part right now i could
08:25 PM _unreal_: msg nickserv identify 2player
08:29 PM roycroft: time for _unreal_ to change his password :)
08:31 PM ziper2: lol
08:32 PM lcnc-relay: <skunkworks8841@> measuring actual distance moved is actually pretty hard
08:33 PM lcnc-relay: <skunkworks8841@> yep - I think I could lift a truck with it..
08:33 PM lcnc-relay: <skunkworks8841@> https://photos.app.goo.gl/k8tfq6goZA2aiizf9
08:33 PM lcnc-relay: <skunkworks8841@> ugh - have to get traps setup again.. Just saw a mouse running out of the corner of my eye
08:38 PM xxcoder: I guess I left it at 32. my orginal plan set was 16
08:42 PM sinned6915869 is now known as sinned691586
08:44 PM xxcoder: with more voltage I guess 32 would be just fine
08:49 PM _unreal_: WTF ! MY MAIN computer just got hit by lighting
08:49 PM _unreal_: its fried
08:49 PM _unreal_: same with the APC
09:31 PM olfluffywf: ouch. hopefully just a power supply.
09:34 PM roycroft: well more microsteps means increased granularity
09:34 PM Tom_L: to a point
09:34 PM roycroft: matt cremona is nuts
09:34 PM roycroft: but kind of in a good way
09:35 PM xxcoder: yeah. and torque loss.
09:35 PM roycroft: he's been working on this kitchen remodel/house addition for about 3 years now
09:35 PM roycroft: he's almost done, and on the backsplash
09:35 PM _unreal_: more micro steps gains little
09:35 PM roycroft: he and his wife bought some tiles for the backsplash a year ago, and he designed the cabinetry/trim/etc. to fit the tiles
09:36 PM roycroft: they decided they did not like the tiles and returned them
09:36 PM roycroft: the ones they like are over 2x as thick as the originals, and that would mess everything up
09:36 PM roycroft: so he's "resawing" them to the needed thickness - hundreds of tiles
09:36 PM xxcoder: I had calcuated that 16 would have been plenty, but I was trying different microstep settings to try find reliably moving without jams. it turns out to be 24v thing rather than microstep problem so yeah lol
09:37 PM roycroft: i can always change the settings
09:37 PM xxcoder: indeed
09:37 PM Tom_L: in the ini as well :)
09:37 PM roycroft: 32 microsteps is working right now, and calibration is pretty close right now
09:38 PM roycroft: this machine is where i turn the theory i've been studying for the past decade into practice
09:38 PM roycroft: i'll probably change almost everything over time, just to see what happens on each change
10:54 PM olfluffywf is now known as fluffywolf
11:25 PM xxcoder: roy indeed im very sure you will succeed :D
11:41 PM lcnc-relay: <meisterdippel@> moin