#linuxcnc Logs

Apr 21 2017

#linuxcnc Calendar

01:17 AM Deejay: moin
01:34 AM IchGucksLive: morning from a sunny cold Germany
01:36 AM * gottaname|wurk rolls down IchGucksLive's street in a tiger tank
01:37 AM IchGucksLive: ni idee what that means
01:38 AM gottaname|wurk: nvm
01:38 AM gottaname|wurk: :3
01:38 AM * gottaname|wurk does a check on the time
01:38 AM gottaname|wurk: wait, is it 7 or 8am there
01:38 AM * archivist takes out the tiger with a Churchill tank
01:40 AM IchGucksLive: have a nice nonbitbreaking DAY
01:40 AM gottaname|wurk: archivist, ewww
01:40 AM gottaname|wurk: a churchill doesn't have the firepower
01:40 AM gottaname|wurk: small gun, heavy armour? must be british!
01:54 AM Crom: Churchhill was a nice looking tank... Yank tanks are ugly in comparison...
01:54 AM Crom: style wins the day!
01:54 AM Crom: though I'd love to get a bren carrier!
01:55 AM Crom: The mini me tank!
01:56 AM gottaname|wurk: Crom, you mean the one the japanese tanks knocked out?
01:57 AM gottaname|wurk: > bren carrier
01:57 AM gottaname|wurk: > not a tank
01:59 AM Crom: it had plate... not very thick,,, not a tank a "mini me tank"
02:00 AM archivist: just remind me who won.. :) and http://ftr.wot-news.com/2014/05/06/tanks-on-trial-churchill-a-bad-tank-or-a-good-one/
02:02 AM gottaname|wurk: archivist, ewwww
02:02 AM gottaname|wurk: archivist, fireflies
02:02 AM gottaname|wurk: :3
02:03 AM archivist: did you look at the vote
02:03 AM enleth: at least the british tanks have a built-in tea kettle?
02:04 AM gottaname|wurk: archivist, vote doesn't mean factual
02:05 AM archivist: I have been researching a local car company, seems the boss went off to WW1 and came back to develop a tank, though later was chucked out and another company got the job
02:05 AM gottaname|wurk: also, the only defense it has as to why the churchill served as an ARVE
02:05 AM gottaname|wurk: didn't say it was a good tank
02:06 AM gottaname|wurk: the israelis were using the sherman all the way up to the 1970s
02:06 AM gottaname|wurk: not because it was the best tank, it was the only tank they could get their mitts on
02:21 AM CaptHindsight: sorry I had to translate that conversation into the terms used several decades ago
02:23 AM CaptHindsight: which reminded me of "How do you sink a Polish battleship" :)
02:38 AM CaptHindsight: archivist: what I found most disturbing was reading the comments section and all the arguments and revisionist stories
02:44 AM archivist_herron: I was too lazy to read the comments, had to come here and play websites
02:45 AM CaptHindsight: I'm still reading the comments
02:50 AM enleth: CaptHindsight: and how do you sink a Norwegian submarine?
02:50 AM enleth: dive down to it and knock on the hatch
02:52 AM CaptHindsight: lol
03:10 AM JesusAlos: Hi
03:10 AM JesusAlos: Does any body know why I can't install Qt5 libraries in linuxcnc enviorment?
03:11 AM JesusAlos: I attempt to install python3.5 and Qt5
03:12 AM JesusAlos: for run a software
03:13 AM enleth: well, why can't you? what happens when you try?
03:17 AM JesusAlos: seems there are problems with PPA launchpad repositories
03:18 AM JesusAlos: the package pqt5 doesn't find
03:20 AM JesusAlos: So, my question is if in linuxcnc live, there are a type of blocking to install software
03:20 AM JesusAlos: for example, kernel modifications and so on
04:08 AM gonzo_: here's a non cnc mech question for you all.......
04:08 AM gonzo_: I'm buidling a wet parts tumbler. The standard media is stainless pins, 0.5-1mm diam
04:09 AM gonzo_: media is quite expensive. Anyone any ideas sources for cheaper alternatives (or a cheap supply of the actual stuff)
04:14 AM Loetmichel: hmm, good thing that we have about 100 of these dirt cheap Acer-"free with a PC" keyboards spare around here. Just had to replace it the third time on my workbench... It may as well be be thats because they are not meant to be operated in a grinding dust, solder balls, heat gun/mini torch infested workspace though. ;) http://www.cyrom.org/palbum/main.php?g2_itemId=16477&g2_imageViewsIndex=1
05:18 AM jthornton: morning
05:19 AM XXCoder: hey jt
05:22 AM jthornton: how can I rotate a stl file?
05:23 AM XXCoder: in slicer?
05:23 AM XXCoder: if so which one?
05:25 AM malcom2073: slic3r, kiss, cura can all export STL after modification I believe
05:25 AM malcom2073: as can s3d
05:25 AM malcom2073: repieter used to be able to
05:27 AM jthornton: I don't see where to rotate about X or Y in sli3r
05:28 AM XXCoder: right click ment?
05:28 AM jthornton: thanks
05:28 AM XXCoder: np
05:30 AM jthornton: that worked like a charm
05:44 AM Tom_itx: mmm, you're gonna get wet today
05:45 AM jthornton: yea and I have an assembly table arriving this afternoon
05:45 AM Tom_itx: just in time for the thick of it
05:46 AM jthornton: yea I hope it's covered up good
05:47 AM jthornton: gotta love it when a person buys a card from you and wants support for pncconf
05:48 AM Tom_itx: quote 2 prices
05:48 AM Tom_itx: a regular one and a hold your hand one
05:48 AM jthornton: lol
05:49 AM Tom_itx: to the beatles theme
05:49 AM Tom_itx: every time they click on it, they get that played
05:50 AM archivist_herron: point them at the forum or mailing list
05:50 AM jthornton: obviously
05:57 AM XXCoder: 40 watt glue pot
05:57 AM XXCoder: onder what people use those for
05:59 AM archivist_herron: old fashioned glue
06:00 AM XXCoder: I guess for times where glue gun isnt handy
06:00 AM jthornton: wallet and purse makers use them I think
06:01 AM archivist_herron: see also animal glue used by woodworkers
06:22 AM gonzo_: still used by woorworkets as far as I can see
06:23 AM gonzo_: wood workers
06:26 AM archivist_herron: they like the tradition and the ability to take apart, they dont care about it failing in service!
06:27 AM archivist_herron: this one fell on the user http://www.collection.archivist.info/searchv13.php?searchstr=pd+vernon+case
06:28 AM archivist_herron: remove case from that link to see completed job
06:29 AM XXCoder: science. https://www.youtube.com/watch?v=MXYV6wNdZm8
06:42 AM XXCoder: https://www.youtube.com/watch?v=bGB3Gh6XXL0 nice grill
06:52 AM jthornton: neat
06:53 AM jthornton: $8 for the plans
06:55 AM XXCoder: ohbtheres plan
06:55 AM XXCoder: cool. too bad I dont weld lol
07:29 AM {HD}: All right! I'm going to buy an ethernet Mesa card! Now I just have to find which one.
07:31 AM XXCoder: yay
07:31 AM jthornton: what do you need to do with it?
07:32 AM {HD}: jthornton: currently I have one parallel breakout board for step, direction, and limits. And I need a 485 interface for my VFD.
07:34 AM jthornton: are you looking to replace the bob?
07:35 AM {HD}: I haven't thought about that. I easily could. I have two of these cheap parallel Chinese break out boards. So I was just using it because I had them.
07:36 AM jthornton: https://mesaus.com/index.php?route=product/product&path=66&product_id=66
07:37 AM jthornton: you might want to ask pcw_home about the RS-485 part
07:38 AM {HD}: jthornton: Yea, that is the one I was looking at. I like the screw terminals.
07:39 AM jthornton: you have to connect it to the mother board ethernet port and use linuxcnc uspace
07:41 AM {HD}: jthornton: It has to be mobo ethernet? Cant be PCIe?
07:41 AM jthornton: correct
07:42 AM {HD}: jthornton: That is not my favorite. I guess really any mobo has ethernet these days though...Ill look up what LinuxCNC uspace is (I have no idea).
07:43 AM jthornton: http://linuxcnc.org/docs/2.7/html/getting-started/getting-linuxcnc.html#_installing_on_debian_wheezy_with_preempt_rt_kernel
07:44 AM jthornton: or https://mesaus.com/index.php?route=product/product&path=68&product_id=72
07:47 AM {HD}: I did not know you could still buy 80GB HDDs. Ha.
07:48 AM XXCoder: {HD}: I bought 8 gb SSD for my linuxcnc pc lol
07:48 AM XXCoder: you need minium 4 gv
07:48 AM XXCoder: gb
07:48 AM XXCoder: my computer lost pretty lot of weight with hd removal lol
07:49 AM {HD}: and CL blocks my IP again! Ugh.
07:55 AM Jymmm: Yep, you're using a VPN.
07:55 AM Jymmm: I'd block your ass too =)
07:57 AM {HD}: Jymmm: lol, VPNs are not naturally evil.
07:58 AM XXCoder: hey he said he would block your ass, not all of you
07:59 AM {HD}: Oh great. Just me then...
07:59 AM XXCoder: https://www.aliexpress.com/item/T8-8mm-screw-length-500mm-picth-2mm-lead-8mm-trapezoidal-screw-with-brass-copper-nut-T8/32695471104.html
07:59 AM {HD}: LinuxCNC seems mysterious to me. Why does it need a custom kernel?
08:00 AM XXCoder: {HD}: it MUST have realtime
08:00 AM {HD}: XXCoder: Ok, I can understand that. Why is the custom kernel so old?
08:00 AM XXCoder: nowdays modern os dont allow program access to realtime. for a reason. but cncs need that for instant respond
08:01 AM XXCoder: likely due to newer not having rt
08:01 AM {HD}: XXCoder: what is 'a reason'?
08:01 AM XXCoder: I just said it:)
08:02 AM {HD}: No before that "nowdays modern os dont allow..." well why don't they allow RT access?
08:03 AM XXCoder: oh not sure precisely but generally screwups can affect entire os and freeze
08:03 AM {HD}: hum. alright.
08:03 AM XXCoder: and basically its not nesscary anyway
08:03 AM XXCoder: cnc control is one of those few exceptions that dop
08:03 AM XXCoder: *do
08:04 AM XXCoder: after all, if you hit e-stop
08:04 AM XXCoder: you want it to stop. now.
08:04 AM XXCoder: even if its very lagged behind running games and videos and such :P
08:04 AM {HD}: I wish my estop could rewind time about 10 seconds.
08:04 AM XXCoder: ask galaxy quest aliens
08:04 AM XXCoder: they might have ideas
08:04 AM Hawku: XXCoder: oh, you are on this channel too :D
08:05 AM XXCoder: yeah im cnc machinist that has home machine that uses linuxcnc also lol
08:11 AM {HD}: XXCoder: I only see you connected to this channel. Are there other CNC, Machinist channels I should join?
08:11 AM XXCoder: most channels suck
08:11 AM XXCoder: same time I havent went check em out for long while now so maybe changed
08:12 AM XXCoder: I remember one channel where op would kick someone if they said something twice in row
08:12 AM XXCoder: oops said something 3 (4 now)
08:12 AM XXCoder: :P
08:12 AM * {HD} bans XXCoder
08:12 AM {HD}: lol
08:12 AM * XXCoder kickbans {HD}
08:15 AM {HD}: pcw_home: Can you tell me about using RS-485 with mesa ethernet cards? Is it possible?
08:21 AM pcw_home: Its possible (on all FPGA cards if they have a RS-485 interface)
08:21 AM pcw_home: There is no support for things like Modbus using the FPGA UARTs currently though
08:23 AM {HD}: I am trying to control my VFD via 485. So, I need to find a card/board that specifically says it supports rs-485.
08:24 AM XXCoder: laters
08:30 AM {HD}: pcw_home: I don't see any ethernet boards that support rs-485, can you confirm this? I guess I could always get a usb-485 adapter but I was hoping to roll it all into one solution.
08:36 AM pcw_home: Its a bit more involved, RS-485 is an electrical specification, I suspect you are asking about Modbus support
08:37 AM pcw_home: There is currently no driver for Modbus using our FPGA cards so even if the FPGA card has a physical RS-485 interface
08:37 AM pcw_home: (and some do) you cannot currently control a VFD with it (so you must use a USB/RS-485 interface)
08:38 AM pcw_home: Note that Modbus is not great for things like rigid tapping as it tends to have
08:38 AM pcw_home: unpredictable response time (but fine for normal spindle control, load monitoring etc)
08:42 AM {HD}: pcw_home: Yes, Modbus is what my HY vfd is using. There are other ways to control it but I have not looked into that yet. Thanks for the data.
08:50 AM JT-Shop: there is a modbus componet if you have a serial port
08:56 AM {HD}: JT-Shop: component? I am using a 232-485 adapter now.
08:57 AM archivist_herron: some stick to setup via modbus but control by dc levels and pwm
09:00 AM {HD}: archivist_herron: I will need to read about those methods. I heard (in passing) that pwm speed control was not a good idea.
09:01 AM {HD}: with all the IO on the 7I76E I would be surprised if I could not get it to do everything I needed in one way or another.
09:03 AM {HD}: lol, alternatively I could just find a Parport and Serial Port PCI or PCIe cards that work with linuxCNC.
09:16 AM JT-Shop: https://mesaus.com/index.php?route=product/category&path=73
09:21 AM {HD}: JT-Shop: lol, thanks! I guess Mesa doesnt make a Serial port card...
09:21 AM JT-Shop: no
09:21 AM JT-Shop: do you have a serial port header on your motherboard?
09:21 AM {HD}: Not on this mobo
09:23 AM archivist_herron: may have the holes for the header
09:23 AM {HD}: JT-Shop: JK, looks like I might... http://imgur.com/a/TkeGK
09:28 AM {HD}: So, I could get something like this...it seems...
09:29 AM {HD}: https://www.amazon.com/Dell-Y9003-Serial-Compatible-Numbers/dp/B005V163UY?SubscriptionId=AKIAILSHYYTFIVPWUY6Q&tag=duckduckgo-ffsb-20&linkCode=xm2&camp=2025&creative=165953&creativeASIN=B005V163UY
09:29 AM JT-Shop: if that matches your mb header
09:31 AM {HD}: That actually raises some other questions. If there is serial on the mobo does linuxcnc already see that? I wonder if there is some conflict there with the serial PCI card I am using.
09:31 AM {HD}: I guess Ill check the bios to see if those ports are turned on.
09:40 AM {HD}: NEW TOPIC* I see hear people running LinuxMint 17 with LinuxCNC. LMint is built on Ubuntu Trusty which is built on Debian Jessie which according to http://linuxcnc.org/docs/2.7/html/getting-started/getting-linuxcnc.html#_alternate_install_methods is not supported for machine control.
09:49 AM archivist_herron: well look at userspace which uses preempt rather than rtai, then your hand is tied to stop using steppers on parallel
09:50 AM pcw_home: There are people running mint17,18 and Ubuntu 14.04/16.04 for machine control
09:51 AM pcw_home: Preempt-RT works fine for software stepgens on some hardware:
09:51 AM pcw_home: http://freeby.mesanet.com/h97-g3258-preemt-rt.png
10:02 AM {HD}: pcw_home: Wow, those seem like good results. My max(us) on histogram with 10 gears is 50
10:04 AM {HD}: If I used a 64bit OS would linuxcnc leverage the extra bits resulting in lower latency?
10:06 AM {HD}: Not a long run time but... http://imgur.com/a/scZJ0
10:06 AM pcw_home: Not in my experience
10:08 AM {HD}: Your latency histo was nice and symetrical. Mine looks ulgy in compairison.
10:41 AM DrippityDrops: happy friday all
10:42 AM DrippityDrops: anyone going to PMTS this year?
10:42 AM pcw_home: Yeah not sure why some systems have that funny asymmetry
10:43 AM {HD}: DrippityDrops: PMTS? Passive multitarget tracking system?
10:47 AM DrippityDrops: http://www.pmts.com/
10:48 AM {HD}: That is just a short way from me.
10:48 AM DrippityDrops: you should look at the company names who are exhibiting there
10:48 AM DrippityDrops: they are.... solid
10:49 AM DrippityDrops: this mesa 7i96 is looking really really targeted for these reprap machines
10:49 AM DrippityDrops: or small stepper xyz
10:49 AM DrippityDrops: I want it
10:49 AM {HD}: DrippityDrops: Why not large stepper xyz?
10:49 AM DrippityDrops: HD im dont know much about this card yet, but I think you should read it up.
10:49 AM DrippityDrops: because I think when you go large most systems become servo and start requiring more inputs and outputs
10:50 AM DrippityDrops: but this has some I/O and is low cost with a good number of axis
10:50 AM DrippityDrops: http://store.mesanet.com/index.php?route=product/product&path=83_85&product_id=311
10:51 AM DrippityDrops: welp, off to the shop! take care all
10:53 AM skunkworks_: {HD}, http://electronicsam.com/images/KandT/testing/Screenshot-63.png
10:53 AM skunkworks_: my laptop
10:54 AM {HD}: skunkworks_: showoff =)
10:54 AM skunkworks_: (mainly use it for testing)
10:54 AM skunkworks: Just don't hit the mute button... ;)
10:54 AM {HD}: What happens then?
10:54 AM skunkworks: large spike
10:55 AM skunkworks: ms
10:55 AM skunkworks: Great for testing - runs ethernet like the 7i92 great
11:26 AM Jymmm: skunkworks: what chipset?
11:49 AM skunkworks: umm
11:49 AM skunkworks: it is a lenovo..
11:50 AM archivist: I bet the bios matters as well not just chips
11:59 AM IchGucksLive: hi from a realy sunny day in germany
12:01 PM roycroft: i am looking at some anti-vibration leveling feet for my lathe stand
12:01 PM roycroft: they are all rated by allowable load, and i don't think i can reasonably calculate that for a lathe on a stand that i fabricate
12:02 PM roycroft: any ballpark figures on what would be safe for a machine the size of mine?
12:03 PM roycroft: going on size of the shafts alone, the ones i'm looking at would be more than sufficient to handle the weight of the machine, probably by a factor of 5 at least
12:04 PM IchGucksLive: roycroft: http://www.maedler.de/product/1643/metall-gummi-elemente-stossdaempfer-stellfuesse
12:04 PM IchGucksLive: hit english or any other language for more infos
12:07 PM roycroft: i have the specs on the legs that i'm looking at
12:08 PM roycroft: http://www.ebay.com/itm/352032854700
12:08 PM roycroft: those would be the ones, and i think they would be more than sufficient
12:12 PM Jymmm: skunkworks: Ok, well it looks like Lenovo has a tendency to use "realtek" ethernet chipsets. There is/was a linux bug for all realtek chipsets at one time, it's why xBSD focuses on intel. Which is kinda funny, as evne intel mobo's are using realtek chipset instead of their own. lol
12:13 PM IchGucksLive: roycroft: real expensive
12:15 PM roycroft: anti-vibration levelers are expensive, yes, but if they do an effective job of dampening machine vibration, would that not make them desirable?
12:15 PM pcw_home: Realtek works fine with linuxcnc/realtime
12:15 PM roycroft: it would mean greater accuracy, i should think
12:16 PM Jymmm: pcw_home: yeah thats what skunkworks was showing.
12:17 PM pcw_home: I've go more than 1Y 24/7 uptime with both Realtek and intel: 0 packet loass
12:18 PM Jymmm: pcw_home: It wasn't a packet loss issue that I remember, it was something else (can't recall)
12:18 PM pcw_home: Broadcom and Atheros are no-go for realtime
12:18 PM Jymmm: pcw_home: broadcom is a no-go for a lot of things.
12:19 PM roycroft: i need to replace the belts on my lathe as well, and i'm going to spend the money on acu-link, as they significantly reduce transmission of motor vibration
12:19 PM pcw_home: I suspect the Realtek bugs have been fixed for a long time (Even Ethercat uses RTK8139 as a reference MAC)
12:19 PM Jymmm: pcw_home: Ironically, my lenovo netbook uses broadcom and most debian/ubuntu based distro are wonky about detecting it, but bunsenlab worked like a charm with ZERO drama.
12:19 PM roycroft: i should say i need to replace the belts - they are really worn and cracked
12:20 PM Jymmm: pcw_home: FWIW... I REALLY like bunsenlabs; from powered off to login prompt in 22 seconds.
12:20 PM pcw_home: Yeah, I was just referring to RT performance BC and Atheros maybe fine for general use
12:21 PM Jymmm: pcw_home: MY luggable laptop has atheros, I would not recommend it
12:21 PM pcw_home: I suspect the issue is that they simply are not common enough the the RT folks have fixed the drivers
12:22 PM Jymmm: pcw_home: Oh I'm speaking of in general, not even RT application
12:23 PM pcw_home: Yeah even then I would stay with Intel first and RTK second just because they are the most common
12:23 PM roycroft: my qctp was just delivered, a day early
12:23 PM * roycroft will head out to pick it up shortly
12:24 PM Jymmm: pcw_home: My NAS runs FreeNAS (bsd based), tossed in a intel pro/1000... gawd gigabit is a BEAUTIFUL THING!!!
12:25 PM roycroft: i just got a gige switch
12:25 PM roycroft: i built a freenas machine, and needed to move several TB of data from my mac pro to the freenas server
12:26 PM Jymmm: pcw_home: cp'ed an iso... 2.5 hours, installed the gig nic, 2.5 minutes =)
12:26 PM roycroft: i was not interested in its taking the rest of my life
12:46 PM * {HD} is using a 10GbE home network.
12:48 PM IchGucksLive: {HD}: the deount and externel sata is offen faster to backup
12:51 PM {HD}: IchGucksLive: I don't have time for that. My whole network backsup to my NAS. I am not going to remove and manually backup HDDs individually.
12:52 PM IchGucksLive: then take your time
01:04 PM IchGucksLive: im off Gn8
01:17 PM Crom: morning
01:29 PM Crom: my entire hourse is wifi...
01:37 PM jym: what does a horse need wth wifi? Hoofs and hooters?
01:37 PM jym: with*
01:38 PM jym: pony porn?
01:40 PM Crom: s/hurse/house/
02:09 PM Crom: spindle is dead...
02:10 PM gregcnc: doh, what happened
02:11 PM Crom: brushes on order...
02:11 PM Crom: now to look for the 300w spindle..
02:21 PM evanfoss: Hi
02:27 PM Crom: welp... no cnc until I get another spindle or brushes
02:28 PM enleth: brushed spindle motor?
02:29 PM Crom: yep... gonna wait unti I get the money for a brushless
02:30 PM Crom: then I get to strap is down to the bed, then mill the current holder to fit...
03:48 PM Crom: chucked a drill up to the spindle shaft 4800rpm
04:13 PM Crom: it actually cuts nicer... the extra weight kills most of the vibrations
04:16 PM Deejay: gn8
04:16 PM Crom: nite deejay
04:23 PM FinboySlick: Anyone here played with those things? https://www.alibaba.com/product-detail/GTAKE-single-phase-220V-sensorless-vector_60055835520.html?spm=a2700.7724838.0.0.nhutrU&s=p
04:30 PM CaptHindsight: FinboySlick: it's like playing the Chinese Lottery
05:17 PM Crom: drill motor is doing great!
05:18 PM XXCoder: anyone want a tattoo? https://www.youtube.com/watch?v=-0ZhUxrvnVg
05:21 PM toner: I like how he's just staring at it too
05:21 PM toner: maybe getting a little retina tattoo as well
05:22 PM XXCoder: indeed.
05:55 PM Loetmichel: hmmm... I am just in the process to get the legal paperwork and license plate for my "new" BMW 318i convertible (in germany)... 592 eur a year in (mandatory)insurance and 132 eur tax. I wonder how much that is in the US...
05:55 PM Crom: switched back to ther 6mm bit..
05:57 PM Loetmichel: (the car is from 1999)
06:01 PM Loetmichel: ... seems dirt cheap to me, considering my nearly as old Opel Omega with its 2.5 liters turbocharged diesel is at 1800 eur a year insurance and 700 eur tax
06:04 PM roycroft: my lathe cuts!
06:04 PM XXCoder: the $27 one? lol
06:04 PM roycroft: i did not doubt that it would, but a positive affirmation is always nice
06:04 PM XXCoder: kidding. the school one right?
06:04 PM roycroft: yes
06:05 PM roycroft: the qctp arrived today
06:05 PM roycroft: i just wanted to make some chips
06:05 PM roycroft: i just got home from the steel yard with a bunch of tubing to make a stand
06:06 PM Crom: that was quick
06:06 PM XXCoder: did that stand pan out or?
06:06 PM roycroft: no, the guy would not budge on price
06:06 PM XXCoder: I recall you linking to bent wall stand
06:07 PM XXCoder: ah too bad
06:07 PM roycroft: he said he had people lined up wanting to buy it
06:07 PM roycroft: which is why it's still listed :)
06:07 PM XXCoder: lol
06:07 PM roycroft: my plan is better anyway
06:07 PM roycroft: i'm building a frame out of 2" tubing
06:07 PM roycroft: and after that's installed i can build a couple cabinets to fit inside the frame
06:08 PM roycroft: a modular stand, if you will
06:08 PM roycroft: i've postponed my upcoming brewing class until 6 may, but that still only gives me two weeks to get the stand built, painted, lathe placed on it, and installed
06:09 PM roycroft: and then clean up the shop so i can accommodate the students
06:09 PM roycroft: not really much time
06:10 PM roycroft: and i've figured out how to handle the stand height issue
06:10 PM roycroft: i'm making some solid steel caps to go on the ends of the tubing for the leveling feet to fit into
06:10 PM roycroft: the caps will not be welded in place - they will be removable
06:10 PM roycroft: if the stand ends up too high i can cut the tubing down
06:11 PM roycroft: if it's not high enough i can make taller caps
06:18 PM Crom: I like my lathe , so when the chuck key is inthe chuck and pointing straight up, the handles are about tit high..
06:20 PM Crom: so when the chuck key is pointing straight at you it's about bellybutton height
06:20 PM djdelorie: and when the chuck key is pointing straight down, it falls out
06:21 PM Crom: it'll hit the ways...
06:22 PM Crom: it's cutting the 21mm circles about 20.7mm right now... probably needs some spring passes
07:22 PM Crom: measured 21.11mm close enough
07:48 PM MacGalempsy: hello
08:06 PM {HD}: Does the Linux Desktop Enviroment you choose effect the CNC performance?
08:10 PM pcw_mesa: it doesn't affect the motion performance, it may affect the user interface speed
08:11 PM {HD}: I decided to go XFCE...This machine doesnt need anything fancy.
08:11 PM Crom: I prefer XFCE4
08:12 PM {HD}: I am not sure what version LMint 17.3 uses.
08:13 PM Crom: probably xfce4
08:14 PM {HD}: Shower time then I am going to install lmint with linuxcnc...Dinner in there somewhere too.
09:19 PM R2E4_bevins1: allo!
09:34 PM Crom: 'rllo the ducky
09:35 PM Crom: ugh.. vehicle speed sensor or the dash cluster went out in the car... autozone $69, carparts.com $12,,, hmmmm
09:35 PM jym: Crom: try ebay
09:35 PM jym: (seriously)
09:36 PM MacGalempsy: 12 sounds goid
09:37 PM jym: True, but i've had a lot of good luck with parts off ebay. The sellers have like 10,000+ 100% positive feedback - pretty impressive
09:37 PM jym: Not sure it'll fit your car? Ask em, they respond quickly too
09:46 PM R2E4_bevins1: Got this running topday. LinuxCNC, mesa 5i25 7i77 and 7i84. https://www.youtube.com/watch?v=NrLRy0ugxMw#t=59
09:47 PM R2E4_bevins1: built from scratch with Linuxcnc VMC
09:48 PM Crom: which steppers?
09:49 PM Crom: jym: it's $7.92 with shipping and handling... I'm fine with $12
09:50 PM Crom: if i had it
09:50 PM Crom: no speedo or cruise control until I get it fixed... while I'm at i. I'll trplace the bulbs for all the gears
09:52 PM Crom: R2E4_bevins1: the rack drive where did you find that?
09:52 PM MacGalempsy: use a smartphone app w gps for speed
09:52 PM Crom: HUD43
09:53 PM Crom: :) it's on all my phones already...
09:53 PM R2E4_bevins1: http://www.nexengroup.com/ here, very expensive stuff.
09:54 PM R2E4_bevins1: We'll see how it holds up over time....
09:55 PM Crom: so each "tooth" is a bearing?
09:55 PM R2E4_bevins1: yes
09:55 PM Crom: nice!
09:55 PM R2E4_bevins1: pulling 2376 inches per minute easy. But thats the limitation cause the planetary gear is only 10:1
09:56 PM Crom: damn!
09:56 PM R2E4_bevins1: Its so smooth though....
09:56 PM R2E4_bevins1: The video is only running 1500 inches per minute
09:56 PM Crom: I was pretty happy with my 141in/m with my 1204 acme screwd
09:57 PM R2E4_bevins1: I didnt want to max it out to see, but the owner insisted......lol
09:58 PM Crom: so servo'sno steppers
09:58 PM R2E4_bevins1: huge servo's
09:58 PM R2E4_bevins1: acceleration is amazing......get up to 1500 in about 6 inches
09:59 PM R2E4_bevins1: probably could do better. though.
09:59 PM Crom: going for a 4.5kw spindle?
10:00 PM R2E4_bevins1: He is putting a 3kw spindle on it. I told him that would be his weakest link....lol\
10:01 PM R2E4_bevins1: He will upgrade later for a 9KW tool changing spindle.
10:02 PM Crom: here i sit with my 400W dead spindle being spun by my 3/8" drill
10:03 PM R2E4_bevins1: I have three 9kw tool changing spindles on my machine I just did. Ceramic bearings. They are amazing.
10:07 PM R2E4_bevins1: Have three of these on my machine.... http://www.ebay.ca/itm/9KW-Air-cooled-ATC-Spindle-Motor-BT30-220V-380V-24000rpm-Long-Nose-Replace-HSD-/192112580169?var=&hash=item2cbacd5649:m:mgAGAL9qCRCQ8fa_uv4kYbg
10:08 PM Crom: 9kw... I have 40amps out back.... that's cutting it close...
10:14 PM Crom: http://www.ebay.com/itm/New-3KW-ATC-Automatic-Water-Cooled-Tool-Change-Spindle-Motor-BT30-3-7KW-380V-VFD-/162484373106
10:14 PM Crom: 240v vfd avail
10:18 PM Crom: 100mm diameter... That I could go for..
10:51 PM XXCoder: boom
10:51 PM XXCoder: Crom: damn thats nice one
10:52 PM XXCoder: expensive too
10:52 PM Crom: bunch cheaper than r2's one
10:53 PM Crom: ATC would be so nice! keep a bunch of tools... makes it worth while using a tool table
10:57 PM XXCoder: indeed.
11:03 PM Crom: trying to figure out they hold the bt30 in...
11:06 PM Crom: http://www.ebay.com/itm/BT30-Tool-Holder-Clamp-Iron-ABS-Flame-Proof-Rubber-Tool-Holder-Claw-DJ-BT30/222217249698
11:07 PM XXCoder: oh no not the claw!
11:16 PM Crom: it's that or a power head spindle MT3 reground to R8 and build a TTS type system.
11:20 PM Crom: http://picpaste.com/1492828464278881967220.jpg
11:21 PM Crom: My drill powered 400w spindle
11:23 PM XXCoder: wow highly advanced design
11:24 PM XXCoder: drill spinning spindle why?
11:24 PM Crom: at 12mm deep now
11:25 PM os1r1s: So if I do a g38.2 probing routine with a reference tool (with the proper offset). Then I plug in tool 2 and probe with it. Then hit the tool touch off for that tool. Should it set the offsets properly?
11:27 PM Crom: brushes died in the spindle
11:29 PM Crom: i probe onto my .89mm thick plate and set z to .89mm and all my tool offsets are 0
11:29 PM Crom: I haven't figured out how to do it in tool touch off section