#linuxcnc | Logs for 2018-07-03
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[01:37:21] <IchGucksLive> hi all
[01:37:46] <IchGucksLive> last hard summer day in row as weather gets thundry from tomorrow
[01:38:13] <IchGucksLive> so all hands on deck and keep the fuel level of the trucks in view ;-9
[01:38:59] <IchGucksLive> im off
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[02:56:07] <Deejay> moin
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[04:03:58] <RyanS> does mesa 7i76e care if I use cat5, cat6, shielded or unshealded Ethernet cable?
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[04:27:30] <Wolf__> probably doesn’t matter, but unshielded may work as a antenna
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[04:29:29] <RyanS> yeah im reading this - - suggests using a ground rod http://www.randyray.com
[04:29:36] <Wolf__> … why does it always figure when I design something it ends up 1” bigger then the machine axis that I need ti build it on
[04:30:32] <Wolf__> for plasma yeah, and only one end of the shield gets earthed
[04:30:53] <gloops> not sure why you would want mesa for a stepper machine
[04:31:24] <RyanS> Ethernet
[04:31:42] <gloops> what advantage does that give?
[04:31:49] <Wolf__> because of the torch height controller and ethernet
[04:31:57] <rmu> gloops: step generation in the FPGA leads to much much less jitter and more uniform step pulses
[04:32:07] <Wolf__> ^ what he said
[04:32:32] <Wolf__> can use a cheaper mobo setup
[04:32:34] <rmu> and that amounts to higher achievable acceleration, speeds, less vibration etc...
[04:32:46] <gloops> will that make any practical difference for cutting shapes out of sheet/plate?
[04:33:06] <RyanS> USB is terrible as I discovered with my 3d printer
[04:33:18] <rmu> gloops: that depends ;-)
[04:33:22] <gloops> rmu theyre stepper motors, you wont be breaking any speed or resolution records anyway
[04:33:38] <Wolf__> I’m looking at doing a mesa/stepper setup as well
[04:33:49] <Wolf__> for my plasma machine anyways
[04:35:06] <RyanS> Ethernet is an industrial standard, usb or i would think parallel ports arn't
[04:35:22] <Wolf__> parallel ports sorta
[04:35:39] <gloops> im not saying ethernet isnt any better, i just dont see what practical difference it would make
[04:35:52] <gloops> given the rest of the machine
[04:36:15] <Wolf__> rs485 is more industrial standard
[04:36:15] <rmu> with ethernet, your PC is automatically isolated from the machine
[04:36:28] <rmu> that may be a factor
[04:37:07] <RyanS> plasma generate massive EMI I think
[04:37:19] <Wolf__> only on the HF start
[04:38:07] <RyanS> what about the arc itself?
[04:38:28] <Wolf__> depends on the plasma box
[04:39:29] <gloops> the PC is not often the componenet affected by noise
[04:39:37] <gloops> component
[04:40:08] <gloops> you still have drivers, psus, signal cables etc
[04:40:27] <RyanS> hmm I think hypertherm has pilot arc, you can see the 'flame' if you pull the trigger in the air
[04:41:03] <RyanS> I wonder if I have to shield the shed
[04:41:27] <Wolf__> copper mesh the whole thing
[04:41:35] <Wolf__> =P
[04:42:00] <gloops> i tried a sheet of lead between vfd and drivers - didnt make any difference
[04:42:13] <rmu> lead???
[04:42:14] <Wolf__> needs to be a box
[04:42:19] <RyanS> how about a giant Faraday cage
[04:42:21] <gloops> its in a metal box
[04:42:37] <Wolf__> no, the shield, sheet wont do anything
[04:42:46] <gloops> all the sheilding isnt worth a penny if you dont ground it right
[04:42:50] <rmu> gloops: use shielded cables from vfd to motor, and keep an eye on your ground connections
[04:43:18] <gloops> its all sheilded, cables everything, it took 2 months to get the grounds right
[04:43:37] <rmu> also shielded cables from stepper drives to steppers is no mistake
[04:45:39] <gloops> my original thoughts on it were to keep everything well apart - and i had no problems, put everything in a box - loads of problems
[04:48:09] <Wolf__> box of angry electrons
[04:48:17] <rmu> gloops: you should keep currents together, avoid situations where a current loop span a "big" area
[04:50:02] <rmu> gloops: do you still have problems?
[04:50:33] <RyanS> i read that you connect stepper cable shield to the control cabinet but not to the motor housing
[04:50:38] <gloops> no i got it sorted finally, run without a snag for quite a few hours now
[04:52:31] <Wolf__> RyanS: thats how all shields on any wiring should be done, its earthed at one end only, so stepper you do the driver end
[04:53:24] <gloops> except for the spindle cables heh, some say
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[04:55:01] <gloops> what you dont pick up from the control box tutorials is that every machine and box is slightly different, you might be taking this or that cable in from a different point, attaching grounds in different places, unique fields and poles develop in the box that you (or I anyway) cant really predict or control
[04:56:01] <gloops> or put another way - there is no page you can google that will tell you why your specific machine is acting strage
[04:56:04] <gloops> strange
[04:57:23] <RyanS> how do I determine which end to sheild? I guess the part that 'sends' the power, eg stepper driver?
[04:58:03] <Wolf__> the end that makes physical sense
[04:58:23] <gloops> the power cables are shielded to prevent emission, the signal cables are shielded to stop reception
[04:58:29] <gloops> i think thats right anyway
[04:59:00] <Wolf__> either way you are using the shield as a antenna and pulling the RFI to earth/ground
[05:01:17] <RyanS> so is using the ground from mains power enough, seeing as that goes to your house's earth rod?
[05:02:01] <rmu> that is a trick question ;)
[05:02:32] <gloops> i grounded the box to the domestic ground, and first grounded everything else to the box
[05:02:35] <RyanS> no im just guessing
[05:03:19] <RyanS> I don't know if the mains earth is enough
[05:04:55] <rmu> RyanS: do you have any other earth potentials available?
[05:04:57] <gloops> i suppose it depends on the house earth..lol
[05:05:17] <Wolf__> wouldnt be my first pick
[05:06:08] <RyanS> it's probably 15m from the shed so maybe not good
[05:06:56] <gloops> i found a 4 inch piece of ground wire solved all my problems - the trouble is, knowing what needs that ground
[05:08:24] <Wolf__> think of the shielding as a drain vs calling it a ground
[05:08:45] <RyanS> oooo https://www.hypertherm.com
[05:09:13] <RyanS> from the horses mouth
[05:09:59] <rmu> i would ground the shields of cables carrying power on both ends
[05:10:13] <Wolf__> yeah, rtfm =P
[05:10:19] <rmu> signal cable shielding only on one end (leave the other end open)
[05:10:25] <rmu> ;)
[05:11:36] <RyanS> driver to stepper is signal?
[05:11:57] <Wolf__> power
[05:11:59] <rmu> no, that also is power, in my case at least ;)
[05:12:20] * Wolf__ can be wrong once in a while
[05:17:09] <RyanS> im most worried about inadvertently connecting the plasma earth clamp to the electronics
[05:18:08] <RyanS> or at least that feeding into the control cabinet
[05:24:11] <Wolf__> bolt it to the table and put a lead off that point to attach to the work piece
[05:34:22] <rmu> it will be difficult to keep plasma ground separate from earth ground
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[05:37:40] <RyanS> "Unless noted, use only AWG #6 (16 mm2) welding cable (Hypertherm part no. 047040) for the EMI ground
[05:37:40] <RyanS> cables shown on the diagram" you what? 16mm2!
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[06:00:22] <miss0r> Apparently the US seller cancelled my order 7 days after it should have been delievered, due to 'out of stock or damaged package'. I realy need to get my hands on one of these motors for a client: B3633-3Y+1000LD+TRIAD+25WAY D. Would any of you know where I can get one that isn't from the far east? (I realy need for it to work, once I get it)
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[06:01:00] <miss0r> gloops, you are good at tracking things down:
[06:01:13] <miss0r> (12:00:16)<miss0r>Apparently the US seller cancelled my order 7 days after it should have been delievered, due to 'out of stock or damaged package'. I realy need to get my hands on one of these motors for a client: B3633-3Y+1000LD+TRIAD+25WAY D. Would any of you know where I can get one that isn't from the far east? (I realy need for it to work, once I get it)
[06:01:37] <gloops> miss0r only with google lol
[06:01:52] <miss0r> Yeah, that is the angle i'm working too at the moment.
[06:02:01] <Wolf__> what size is that thing
[06:02:19] <miss0r> hmm.. about 300mm long ish
[06:02:23] <Wolf__> and exact match or same ish
[06:02:33] <miss0r> exact match
[06:02:43] <gloops> https://www.ebay.com
[06:02:58] <gloops> ahh no, bangkok
[06:02:59] <miss0r> gloops: Yeah, that one is in thailand
[06:03:12] <miss0r> I wrote them, and asked for a quote on an express shipment
[06:03:30] <RyanS> maybe it's waiting for tarrifs to be applied :P
[06:03:57] <miss0r> RyanS: I doubt the seller would refund me and cancel if that was the case :)
[06:06:29] <gloops> Delivery:
[06:06:30] <gloops> Estimated between Mon. 16 Jul. and Fri. 3 Aug
[06:06:44] <gloops> thats actually not bad delivery time from there
[06:06:55] <Wolf__> looks like that is the only one on the web
[06:07:20] <miss0r> on my one it says mon. 16th to aug. 31th
[06:07:44] <miss0r> its for a client of mines surface grinder. It went tits up. motor failed and killed the servo driver in the fall. I have repaired the servo driver, but the motor is still bad.
[06:08:10] <miss0r> and without it, the surface grinder will never grind again .-/
[06:08:37] <miss0r> sadly, it is massively integrated with their proprietary controller, so I have to find an exact match
[06:08:43] <Wolf__> 97 date code?
[06:08:55] <miss0r> yeah. The one I am replacing is from 01
[06:09:02] <RyanS> every time I hear Rockwell automation I think of the turbo encabulator video
[06:09:03] <Wolf__> just need to match the motor size and the encoder count
[06:09:07] <miss0r> But that doesn't matter, as long as it works :D
[06:09:23] <gloops> well, looks like the thai seller has 3 - might be an idea to get them all, might never see one again
[06:09:38] <miss0r> Wolf__: Indeed, but the hard part about this would be the encoder. it is quite special on these models
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[06:10:19] <miss0r> maybe, just maybe, one of them will work - or I can make one functional one from the three: shaft from one, primary windings from another & the encoder for the last one
[06:10:24] <Wolf__> just need to know the count and what the output is
[06:10:55] <miss0r> wolf__: I guess. I haven't read into all the details, but I've been told its not that straight forward with these.
[06:11:11] <miss0r> something about the signal from the encoder not being regular
[06:11:29] <RyanS> I hope that motor suppresses sinusoidal depleneration :-)
[06:12:01] <Wolf__> well, you have access to the encoder so at least you have clues to whats needed
[06:12:10] <miss0r> heh. if all of them works, I could use one for my cnc lathe :D
[06:13:04] <miss0r> Yeah, I'll have to go to the factory and remove the motor again. I left it all installed after last visit. (I'm on a three week vacation at the moment), and I would like to have the parts once I get back
[06:13:38] <Wolf__> where are you located?
[06:13:44] <miss0r> I hope the encoder on here is not as horrible to work with as the linear scales on my cnc mill.
[06:13:51] <miss0r> Wolf__: Denmark
[06:14:19] <Wolf__> not local to me lol
[06:14:33] <miss0r> not local to most of you :]
[06:14:57] <Wolf__> lol
[06:14:59] <miss0r> looking at that chinesium picture there, it looks like it has some nasty dings in the label. I wonder if those have actualy damaged the housing
[06:15:16] <miss0r> The triangular one in particular
[06:15:20] <RyanS> could be worse, Iceland
[06:16:17] <miss0r> Atleast iceland has cheap power
[06:16:29] <Wolf__> https://www.usdigital.com has a compatibility guide
[06:17:16] <RyanS> I feel cold even watching a Nordic tv show, don't think I would survive
[06:17:21] <miss0r> nice
[06:17:44] <miss0r> RyanS: I think I would melt in about 2.3uS where you are
[06:18:52] <Wolf__> all the ebay special servo motors I have have their E3 on them
[06:19:36] <RyanS> Icelandic IT professional to colleague "open the doors, the servers are overheating"
[06:19:54] <miss0r> hehe
[06:20:31] <miss0r> Denmark has a pretty nice climate. But theres an issue in summer. We don't get your temperatures, but the humidity here in summer makes it feel much worse
[06:20:53] <miss0r> My cousin had an australian girlfriend some time ago who made this point
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[06:21:46] <miss0r> I've discovered that the perfect ambient temperature for me is 16c. That is the weather suited for long pants and t-shirt, if you can just sit down and do nothing
[06:21:52] <Wolf__> same problem here near Washington DC, crazy humid
[06:22:29] <jthornton-> morning
[06:22:52] <Tom_L> morning
[06:23:11] <miss0r> Wolf__: I've visited some friends in louisiana a few times. that place is hot and humid as well - with all the swamps'n stuff. But the thing that makes it worse, is all the airconditioning everywhere. So every time you go outside the door you're hit with a wall of heat :D
[06:23:16] <miss0r> mornin'
[06:23:43] <Wolf__> heat index is oddly worse in Maryland vs Louisiana
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[06:23:59] <miss0r> odd :]
[06:24:00] <Tom_L> 78F
[06:24:00] <RyanS> there was talk in the past of Iceland's economy focusing on IT due to cheap power and passive cooling, instead they focused on unregulated financial services and went bankrupt
[06:24:06] <jthornton-> I used to live in Louisiana in LaPlace
[06:24:28] <RyanS> i think it's fishing and tourism now
[06:24:55] <Wolf__> heat index here yesterday was 40c/105F
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[06:25:43] <Wolf__> 6am and its 77f/25c w/ 90% humidity lol
[06:25:48] <miss0r> heat index? is that like the temperature?
[06:26:04] <Wolf__> temp + humidity
[06:26:22] <miss0r> its not too bad here at the moment: 27c/34%
[06:26:32] <miss0r> But we haven't seen a drop of rain for over a month now
[06:26:42] <miss0r> (with is completely out of character for Denmark)
[06:26:52] <jthornton-> https://www.weather.gov
[06:26:57] jthornton- is now known as jthornton
[06:27:24] <RyanS> what's 'wet bulb' maybe it's a humidity index
[06:27:27] <Wolf__> jt, you have a plasma table right
[06:27:47] <jthornton> aye
[06:27:50] <miss0r> RyanS: Where do you see that ?
[06:28:23] <Wolf__> whats the bob setup you are running on it?
[06:28:47] <jthornton> 5i25 7i76
[06:28:54] <jthornton> THCAD-10
[06:29:34] <RyanS> apparantly "The wet-bulb temperature is the temperature read by a thermometer covered in water-soaked cloth over which air is passed"
[06:30:44] <Wolf__> cool, sounds like both RyanS and I are looking at doing 7i76E + THCAD setups
[06:30:54] <RyanS> linear, unregulated or switching PSU?
[06:31:20] <miss0r> RyanS: That sounds like something that would have the oposite effect... You know about wrapping you beer in wet cloth and leaving it in the sun to cool? :)
[06:31:59] <RyanS> I have had the cards on my desk for months
[06:32:17] <RyanS> beer is horrible
[06:32:21] <Wolf__> I haven’t ordered yet lol
[06:33:18] <Wolf__> need to double check which THCAD I need for the hypertherm 1000
[06:41:54] <miss0r> Bah. It realy seems that the only one I can find on the interwebz is the thailand one. I hope they can ship faster than that
[06:43:59] <Wolf__> oh wow, hypertherm has the service manual for download, thats nice
[06:56:47] <Wolf__> jthornton: “resistor can be selected to work with high-frequency start” is there a further explanation of this somewhere?
[06:59:14] <jthornton> hmmm maybe pcw_home can expand on that
[07:01:50] <Wolf__> seems my plasma has a direct torch feed 300v max, but its HF start
[07:07:54] <jthornton> mine is 300v too dunno what start it is
[07:08:25] <Wolf__> heh, what make is it
[07:08:35] <jthornton> my THCAD-10 is one of the prototypes so I had to add resistors to it
[07:08:40] <jthornton> hypertherm 850
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[07:13:57] <Wolf__> weird, cant find any info on the 850
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[07:56:31] <Beachbumpete1> Good Morning LinuxCNC
[08:04:30] <skunkworks> good morning
[08:05:05] <skunkworks> you would think i would learn to stop arguing on the internet
[08:06:39] <skunkworks> (but i am right!)
[08:08:45] <skunkworks> https://www.cnczone.com
[08:09:27] <jthornton> oh well looks like CRS hit me again it's a Hypertherm powermax 1250
[08:10:31] <skunkworks> crs?
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[08:13:00] <rmu> "Cruft Requisition Syndrome"?
[08:14:08] <skunkworks> ooh good one
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[08:27:12] <jthornton> Can't Remember Shit
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[08:39:42] <Beachbumpete1> skunkie jeez man that guy mactec is a piece of work huh
[08:58:12] <skunkworks> what do i know.. hih?
[09:00:00] <skunkworks> huh..
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[09:05:42] <Beachbumpete1> LOL
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[09:09:30] <Beachbumpete1> but but you only have a 500 count encoder hehehe
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[10:45:18] <gloops> Rare Mercedes that took months to lovingly restore is written off in two seconds
[10:45:31] <gloops> 2 months doesnt seem a long time to restore an old car actually
[10:45:44] <Loetmichel> ?
[10:45:49] <SpeedEvil> Depends how much time, labour and restoration.
[10:45:53] <Loetmichel> did you had an accident?
[10:45:56] <Loetmichel> have
[10:46:09] <SpeedEvil> I mean, if it's lightly rusted, and just requires a respray and new tyres, ...
[10:46:48] <gloops> http://www.dailymail.co.uk
[10:47:26] <gloops> pillarless coupe i think, not many of those around now
[10:47:47] * Loetmichel BMW convertible has to get complete suspension anew, the ABS controller acts up (tons of stored errors) and its missing a bunch of lamps in the dash... and all that before october when the next technical check by the government is due
[10:48:18] <SpeedEvil> At some point 'would you 3d print a car' becomes the easier route.
[10:48:38] <Loetmichel> indeed ;)
[10:48:51] <Loetmichel> and yes, if i could: i totally would :-)
[10:50:18] * Loetmichel is contemplating for a while now to buy two 80kW (peak, 45kw cont.) brushless motors, timing-belt them to the original gearbox of the 318, put a few batteries and electric peripherials ind and a 20kw petrol geneset...
[10:50:27] <Loetmichel> and make my own "hybrid" ;)
[10:51:06] <skunkworks> would you need 20kw?
[10:57:08] <gloops> the car industry is currently dominated by handful of giant manufacturers, with new technology could it ever be the case that small scale companies or individuals could produce cars?
[10:57:44] <Loetmichel> skunkworks: about 15 for cruise at 120kmh
[10:57:48] <Loetmichel> kw
[10:58:12] <Loetmichel> so on average 5 remaining for charging the battery for acceleration
[10:59:41] <Loetmichel> the idea is that a serial hybrid (as opposed to a parallel one) only needs to have average power+ a bit to provide a good driving impression, becasue rapid acceleration is coming from the batteries
[11:00:32] <Loetmichel> also a genset that either runs at full throttle or is off is way more efficient than a car engine thats trimmed to be "elastic" over a wide range of throttle positions and RPM
[11:01:37] <Loetmichel> in conlunction with the recurperative braking it will make for a pretty fuel efficient vehicle that is still fun to drive... also it would get subsidized by the government
[11:01:57] <Loetmichel> in terms of "no car tax" and "very low insurance"
[11:02:19] <Loetmichel> conjunction
[11:07:20] <ziper> that doesnt look like a rare mercedes lmao
[11:11:07] <gloops> 99% of 'news' stories are sensationalised BS, theyre just trying to sell newspapers
[11:11:40] <SpeedEvil> I'd much rather they stick to sensationalised car stories tbh.
[11:14:10] <skunkworks> neat!
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[11:20:19] <IchGucksLive> hi all
[11:20:44] <IchGucksLive> jthornton, are you going to bild shipjard
[11:21:01] <IchGucksLive> i got 6 45A plasmas and they do up to 12mm
[11:21:57] <JT-Shopp> what do you mean IchGucksLive ?
[11:22:23] <IchGucksLive> 1250 hyper
[11:22:45] <IchGucksLive> going big like tooltime
[11:22:50] <gloops> sweden finally score...
[11:22:53] <IchGucksLive> more power
[11:23:15] <JT-Shopp> lol I normally cut 11ga or thinner material but sometimes cut up to 1/2"
[11:23:16] <IchGucksLive> Loetmichel, we gone get hit tomorrow
[11:23:50] <IchGucksLive> that is 12mm so 60A shoudt do overpower
[11:24:13] <IchGucksLive> 80A is for 4hr constand 12mm cut
[11:24:27] <IchGucksLive> all over 125 is shipyard business
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[11:26:12] <IchGucksLive> CubicleNate, now the Great lake area is online here
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[11:50:20] <gloops> switzerland are going home
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[11:52:02] <IchGucksLive> gloops, wear WM in Russia
[11:52:09] <IchGucksLive> no more african
[11:52:19] <IchGucksLive> most Old WM are gine
[11:52:35] <IchGucksLive> england plays next
[11:52:47] <gloops> england v colombia
[11:53:51] <gloops> the winner plays sweden - this is the easier way to the final
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[11:58:04] <IchGucksLive> im off till later
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[12:50:55] <IchGucksLive> hi all
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[12:59:48] <IchGucksLive> gloops, one hr to go
[13:00:03] <gloops> yes Ichs
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[13:00:20] <gloops> destiny is about to smile on England
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[13:13:42] <IchGucksLive> im off a school does not like my design they got no mashine to build but wants to have a Mercedes CNC
[13:14:33] <IchGucksLive> i told them then the mnoey is going to a other school and now the gov is angry about me v
[13:14:54] <IchGucksLive> its like the big politics you cand do what you like
[13:15:18] <IchGucksLive> OH i think here all lights going out in futhere as trump anounces Ramstein to close
[13:15:32] <IchGucksLive> IRONIC 95% did elekt him here
[13:15:45] <IchGucksLive> the world is mad
[13:16:00] <IchGucksLive> gloops, keep pressing thumb
[13:18:41] <IchGucksLive> gloops, can you see this video
[13:19:00] <IchGucksLive> https://youtu.be
[13:19:47] <gloops> Ichs if trump does tariff your cars, its the end you know that
[13:20:02] <IchGucksLive> its a 1080 euro mill all included low cost with bosch 500Watt and tb6600 but 4Nm Direct drive
[13:20:30] <IchGucksLive> gloops, the end is always at the next stair
[13:20:33] <gloops> is that what you made for the school?
[13:20:38] <IchGucksLive> yes
[13:20:56] <gloops> whats the problem with it?
[13:21:03] <IchGucksLive> the look
[13:21:23] <IchGucksLive> im on the mashine tomorrow i will makle a image or even let it run
[13:21:33] <IchGucksLive> the alu 4A
[13:21:43] <gloops> looks like a strong design
[13:21:45] <IchGucksLive> if i can drill the last holes
[13:21:56] <IchGucksLive> it is ao heavy
[13:22:05] <IchGucksLive> 4people cand lift it
[13:22:12] <IchGucksLive> atr full mount
[13:22:43] <IchGucksLive> lets see i need to load the video cam
[13:22:47] <IchGucksLive> charge
[13:23:41] <IchGucksLive> ok im off Gn8
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[14:25:49] <CaptHindsight> https://www.amazon.com are these tools bad or are the nuts and bolts just the wrong type for this set?
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[14:27:49] <gloops> stanley arent the brand they used to be, but generally ok
[14:27:56] <Rab> Stanley isn't my idea of a "real" name brand, but I'd be surprised if they didn't fit the named fasteners.
[14:28:52] <CaptHindsight> so the fasteners are poor not the tools :)
[14:29:01] <Rab> What's happening?
[14:29:10] <CaptHindsight> an analogy
[14:29:43] <CaptHindsight> people buy shit tools and complain about the materials not working well with them
[14:29:56] <CaptHindsight> idiots or just arrogant?
[14:30:13] <gloops> you cant put any pressure on chinese nuts
[14:30:22] <gloops> any tool will slip
[14:31:53] <CaptHindsight> or both
[14:32:30] <gloops> ive had a stanley socket set for years, only cracked one socket, on a wheel nut
[14:32:59] <gloops> i had to drill the stud out, the garage snapped a snap on wheel bar on it
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[14:56:43] <gloops> England comfortably contain Columbia in this important World Cup tie
[14:56:49] <gloops> half time 0-0
[15:12:59] <Loetmichel> gloops: i once broke 4 "Tire crosses" on a lorry tire once... then loosened the nuts with a hazet torque wrench and 4 meters of heavvy pipe as an extension with 4 friends hanging from it and rocking...
[15:13:20] <Loetmichel> it survived without damage at all... was a 1" square drive though
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[15:19:16] <gloops> KANE!
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[15:29:37] <L29Ah> how do i ask linuxcnc to remember the position it is in so it will set it at the next start instead of the one that got saved at the last exit in case i `kill -9` it?
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[15:46:48] <phipli> Hum. Trying to run an AP on a NanoPi Neo2 running Armbian and the AP option from armbian-config (and a couple of different USB wifi dongles). Anyone got any experience with it? It seems to run ok, and I get an ip address for the interface... but I can't see an access point called "ARMBIAN" (the default ssid) on any other devices...
[15:57:26] <rmu> L29Ah: don't kill -9
[15:58:16] <L29Ah> i can't say that to my power grid
[15:58:58] <DaViruz> a ups would probably be simpler
[15:59:17] <L29Ah> than telling it to save the position not only at exit?
[16:00:04] <DaViruz> it would be for me as i have no idea how to do that.. :)
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[16:00:27] <rmu> L29Ah: that is not a kill -9, all bets are off what writes will make it to storage
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[16:02:08] <Rab> L29Ah, maybe you're looking for something like this? https://forum.linuxcnc.org
[16:02:40] KimK is now known as kibitzer
[16:03:54] <L29Ah> rmu: sure, but most of the time my device is stopped so a timely record of its position would make a huge difference wrt usability
[16:04:21] kibitzer is now known as KimK
[16:04:31] <rmu> L29Ah: i would not trust such a value in any case
[16:05:34] <rmu> stepper systems may loose about 2 steps i think and servo systems don't have brakes engaged without power, so may also move a tiny bit
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[16:06:25] <L29Ah> right, i should bring an ups
[16:07:19] <rmu> a home-ing operation shouldn take that long or otherwise be inconvenient
[16:08:19] <L29Ah> it's a 3d printer, so i can't really home unless i install a special device on the table that measures the tool length
[16:08:51] <rmu> i c
[16:08:56] <L29Ah> and the homing procedure will be complex enough i don't understand how to integrate it well into linuxcnc
[16:09:30] <L29Ah> since i can't really "home" from g-code afaiu
[16:09:56] <rmu> the 3d printers i know don't need that much power, they would run for ours on a simple car battery
[16:10:04] <L29Ah> yeah
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[16:11:24] <rmu> so perhaps a battery of sufficient voltage and a p-fet as low-drop diode would be sufficient as UPS
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[16:16:37] <rmu> oh you probably have a PC to control the printer, not something self-contained. forget what i said.
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[16:29:12] <Rab> World's ugliest lathe for sale: https://austin.craigslist.org
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[16:32:13] <Rab> Price is good for this region if it's not completely trashed, but everything in the photos indicates it might have gotten hands-on use by people without much machining experience...not encouraging.
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[16:38:05] <gloops> extra time of extra time!
[16:39:53] <rmu> boring game
[16:40:32] <gloops> england do not have a great record on penalty shootouts
[16:42:58] <gloops> england have won 1 out 7 world cup penalty shootouts
[16:44:53] <L29Ah> gloops: what do you think of the lee sedol vs alphago game?
[16:52:29] <gloops> england!
[16:53:27] <rmu> hehe... 2:7
[16:53:48] <gloops> i dont remember seeing that game specifically L29Ah
[16:53:54] <gloops> korea played well though
[16:57:34] <XXCoder> I read about japan losing game, they left locker room very clean and note thanking russia for game
[16:58:29] <gloops> yes excellent play by japan i enjoyed watching them
[16:58:50] <XXCoder> time to work. ugh
[16:58:52] <XXCoder> later
[16:58:57] <gloops> enjoy
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[17:13:40] <gloops> Rab dont know what made him paint those bits grey
[17:15:07] <Deejay> gn8
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[17:42:25] <tjb1> so my teensy has a cycle time of ~1280 microseconds while measuring voltage, setting outputs, and printing to LCD
[17:42:37] <tjb1> or ~8 microseconds with LCD prints turned off
[17:43:25] <tjb1> is it worth turning LCD off?
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[18:17:08] <Tom_L> is it?
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[18:44:35] <tjb1> guess ill find out when I test it
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