#linuxcnc | Logs for 2014-12-19

[02:10:26] <Jymm> Deejay: Morning
[02:10:35] <Deejay> moin
[02:10:54] <Deejay> Ug Jymm ;)
[02:11:04] <Jymm> Deejay: =)
[02:11:27] <unfy> o/
[10:09:21] * Loetmichel just makes 3 red X in the calendar... the scanner we had to do this year just arrived in time.. and is already modified and packaged for delivery... $me is just cleaning his workshop and then: vacation 'til 06.jan.2015
[10:09:51] <skunkworks> Have fun!
[10:10:01] <Loetmichel> ... something was delivered in time... unbelieveable ;-)
[10:10:05] <skunkworks> the forklift incident wasn't as bad as first thought?
[10:10:35] <Loetmichel> it was, but customer agreed to accept the delivery, pay the invouice and then sort the repairs out next year
[10:11:00] <skunkworks> great!
[10:11:05] <Loetmichel> they just wnted to burn budget (end of year)+
[10:11:12] <skunkworks> things are looking up!
[10:12:11] <Loetmichel> so they are fine with paying the damaged goods and sorting this out next jey, main concern was to burn the budget ;-9
[10:12:22] <Loetmichel> government agencys...
[10:14:25] <ssi> dang
[10:14:33] <ssi> mcmaster sells target-size plug gages
[10:14:36] <ssi> but they're UNHOLY expensive :(
[10:14:47] <ssi> $203.18 for the size I need
[10:14:53] <ssi> for 25 pieces
[10:15:22] <ssi> this is why tenth-tolerances cost so damn much :(
[10:15:39] <ssi> http://www.mcmaster.com/#2149a15/=v3bw7h
[10:19:45] <andypugh> ssi: Make 50 parts to nominal size on your lathe, slightly carelessly, then measure them to choose the ones that suit.
[10:20:23] <ssi> heheh yeah I know
[10:20:32] <ssi> we were talking about that yesterday actually
[10:20:40] <ssi> dan and I order a lot of tooling from Pacific Tool and Gauge
[10:20:47] <ssi> they make rifle chamber reamers and associated tooling
[10:21:04] <ssi> and their system has a pilot bushing on everything, and they make bushings in .0002" steps so you can select the one that fits your bore tightest
[10:21:29] <ssi> we were talking about how they run their shop to hold those tolerances, and it occurred to me that they probably just make a billion of those bushings and sort them
[10:25:06] <cradek> that's funny and I bet you're right
[10:25:07] <archivist> I like the make a billion, while(barrel polish measure) >right size
[10:25:33] <archivist> how ball bearing balls are made
[10:26:18] <ssi> yep
[10:26:21] <archivist> and parts like model motor shafts
[10:26:54] <ssi> well I had the idea to get that tenth-step plug gage set based on a video I watched
[10:26:58] <ssi> I think it was oxtoolco
[10:27:10] <ssi> about holding a tight bore tolerance by lapping and checking with one of those sets
[10:27:19] <ssi> I got the laps and lapping compound he recommended
[10:27:42] <ssi> but I don't really need the tenth-step gage set, cause I just need to lap it until the thompson shaft that needs to fit the bar just fits hydraulically
[10:28:08] <ssi> I have a .374" reamer, I'm hoping .001 undersize will be enough for heat treating and lapping to size
[10:28:39] * JT-Shop needs to clean off the work table :(
[10:29:08] <ssi> it's amazing how fast they get cluttered up
[12:22:50] <andypugh> I just burned my finger testing whether this Vreg needed a heat sink. So I guess that is question-answered then.
[12:23:18] <andypugh> It’s a live-tab device, which is slightly annoying.
[12:24:05] <zeeshan> rofl
[12:24:15] <zeeshan> those th ings get frigging hot
[12:24:19] <zeeshan> which vreg model
[12:24:38] <andypugh> TL783CKCSE3
[12:28:09] <archivist> someone should write up the finger state depending on temperature
[12:30:35] <andypugh> I am fairly sure I have seen that, though in a more medical context.
[12:30:42] <andypugh> It wasn’t very nice.
[12:34:47] <archivist> I can imagine
[12:39:12] <zeeshan> yay
[12:39:14] <zeeshan> good news today
[12:39:17] <zeeshan> got a TA job for winter
[12:39:17] <zeeshan> :D
[12:39:23] <zeeshan> was getting worried
[13:23:34] <jfigie> zeeshan I finally came to realize that your z axis brake is a solenoid operated parking brake. the brake is applied by a spring in the motor and released by applying 24 V to the solenoid.
[13:24:06] <zeeshan> jfigie: hahah
[13:24:08] <zeeshan> that makes sense.
[13:24:14] <zeeshan> that would explain the weird symbol
[13:24:58] <zeeshan> im about to go to the electrical store
[13:25:02] <zeeshan> to buy some diodes :)
[13:25:20] <zeeshan> i guess i need two now
[13:25:34] <jfigie> yep
[13:25:38] <zeeshan> because its a solenoid not a resistor in the brake
[13:25:50] <zeeshan> thank you
[13:26:35] <jfigie> no problem I sorry it took so long for it to sink in.
[13:27:31] <pcw_home> You can determine the brake current by measuring the resistance of the coil
[13:27:53] <zeeshan> pcw_home: its 20w
[13:27:57] <zeeshan> says on the motor
[13:28:04] <zeeshan> 24 / 20 i mean
[13:28:09] <zeeshan> 1.2A
[13:28:20] <pcw_home> 20/24
[13:28:24] <zeeshan> whoops :)
[13:28:25] <zeeshan> P = V I
[13:28:30] <zeeshan> V = P / I :(
[13:29:10] <pcw_home> so a IN4001 diode is fine
[13:29:17] <zeeshan> you know me
[13:29:21] <zeeshan> oversize it
[13:29:27] <zeeshan> i found some 400V 6A diodes
[13:29:30] <zeeshan> 6a4
[13:29:35] <zeeshan> theyre cheap locally
[13:29:43] <zeeshan> 2$ for 2
[13:30:03] <pcw_home> rectifier diodes are cheap in general
[13:30:16] <zeeshan> is there any reason not to oversize it?
[13:30:26] <zeeshan> other than cost
[13:30:32] <zeeshan> and physical size
[13:30:51] <pcw_home> no but no reason either (wiring ease may be an issue)
[13:31:20] <archivist> what use, some will get hot, faster ones run cooler
[13:31:50] <pcw_home> using a 1A diode for 0.866 A very low duty cycle is fine
[13:32:29] <pcw_home> this is flyback diode on a brake solenoid
[13:32:31] <jfigie> IN400X diodes can take much higher peak currents 30 A
[13:32:57] <pcw_home> peak will be~ 0.866 A
[13:33:02] <jfigie> but does anyone even use or sell in4001 @ only 50V?
[13:33:24] <pcw_home> I think we always get 1N4007s
[13:33:32] <jfigie> I would use a higher voltage since they are probalby just as cheap
[13:33:35] <pcw_home> same price
[13:34:00] <jfigie> they are probably all in4007 but just marked differently
[13:35:02] <archivist> if you are brave, make an avalanche tester and see
[13:35:28] <jfigie> not worth the time for diodes that cost a few cents
[13:36:12] <archivist> I used some in an application and had to swiftly replace with schottky
[13:36:39] <jfigie> 1N400X have slow recovery
[13:36:45] <pcw_home> fine for a low rep rate flyback
[13:36:51] <archivist> I was told I would get a "transformer", it was a switcher !
[13:37:11] <jfigie> if you use them in a SMPS they will act kind of like a short
[13:37:31] <zeeshan> ive blown up a smps before :/
[13:37:37] <zeeshan> w/ a solenoid
[13:38:52] <zeeshan> https://www.flickr.com/photos/128539016@N05/16058356335/
[13:38:55] <zeeshan> something seems a bit off here :)
[13:39:18] <zeeshan> shouldnt the diode be rated for ALL the solenoids
[13:39:19] <archivist> we built one of these http://www.collection.archivist.info/archive/DJCPD/PD/2003/2003_07_19_a_flasher/P1010002.JPG and the diode unsoldered themselves, those pics are with the fast diodes
[13:39:36] <zeeshan> when the circuits are parallel like that
[13:39:39] <pcw_home> Unlike a transformer /rectifier power supply a SMPS's main filter capacitor
[13:39:40] <pcw_home> can not absorb power dumped into the power supplies output
[13:40:06] <pcw_home> (so they are not suited to servo motor power supplies for example)
[13:40:16] <zeeshan> well you can put a big ass diode
[13:40:20] <zeeshan> in parallel with the stepper?
[13:40:31] <zeeshan> i mean parallel with the stepper drive
[13:41:00] <pcw_home> The diode is only for one inductor
[13:41:33] <zeeshan> how does the 6a4 know whether to stop the back emf for the brake
[13:41:36] <zeeshan> or the hyd solenoid?
[13:41:40] <zeeshan> since its parallel with both
[13:41:54] <zeeshan> so if both the z-brake and hyd solenoid were activated at the exact same time for example
[13:41:56] <pcw_home> because its across the brake coil
[13:42:01] <jfigie> You wont have the 2 solenoids in parallel
[13:42:19] <jfigie> they are separate circuits
[13:43:01] <pcw_home> current only flows in the diode when the brake coil power is turned off
[13:43:24] <pcw_home> (and only for about 100 ms max)
[13:44:45] <zeeshan> i have to again say this..
[13:44:51] <zeeshan> im so glad i didnt do ee.
[13:44:53] <zeeshan> i'd be lost :P
[13:46:21] <pcw_home> on an inductor V=di/dt
[13:46:27] <zeeshan> yes
[13:46:52] <zeeshan> thats what im saying though
[13:46:57] <zeeshan> if both solenoids were activated at the same time
[13:47:19] <pcw_home> they are not on the same circuit
[13:47:39] <jfigie> https://drive.google.com/file/d/0B2fj8HWg0FnNUGpnVks1ZXZWSHc/view?usp=sharing
[13:47:58] <pcw_home> each inductor needs its own flyback/suppression circuit
[13:48:34] <zeeshan> jfigie: if you close those two switches at the same time? :P
[13:48:47] <zeeshan> okay i get it
[13:48:50] * zeeshan is slow
[13:49:03] <jfigie> sure but they are controlled independently
[13:49:49] <zeeshan> is it better to put the switch at the +24vdc side or -24vdc
[13:49:52] <zeeshan> i thought it didnt matter?
[13:50:26] <zeeshan> the way you've got it in your schematic makes more sense
[13:50:40] <jfigie> doesn't matter. It is usually done they way I show if you use solid state switches like FETs
[13:52:22] <jfigie> for mechanical contacts it make no difference where you put the switch.
[13:55:05] <pcw_home> High side switching is a little better in general as a wiring short to ground cause a fault rather than actuating the device
[13:55:42] <jfigie> agreed
[13:56:02] <pcw_home> (low side switching is common for solid state devices because its easier= cheaper)
[13:56:23] <jfigie> my original point
[13:56:54] <pcw_home> but if you notice, your Maho used high side drivers
[13:57:55] <zeeshan> http://i.imgur.com/bs5lfCA.png
[13:58:16] <zeeshan> blue is common :)
[13:58:47] <jfigie> looks good for hydraulic solenoid
[13:59:30] <zeeshan> btw
[13:59:34] <zeeshan> i found the mystery diode.
[13:59:36] <pcw_home> assuming red is +24V...
[13:59:45] <zeeshan> yes pcw_home
[13:59:57] <zeeshan> the diode was soldered inside a terminal block.
[14:00:02] <pcw_home> if its 120vac you will have fireworks
[14:00:22] <zeeshan> no 120vac near control stuff :)
[14:00:49] <zeeshan> even at eaton, i used to argue with my boss about 120vac control stuff
[14:00:57] <zeeshan> its putting people at unecessary risk
[14:01:02] <zeeshan> like your e-stop button is frigging 120vac
[14:01:11] <zeeshan> you go to press it and somehow manage to break it
[14:01:22] <zeeshan> and somehow become part of the circuit
[14:01:26] <zeeshan> that wouldnt be too good
[14:01:58] <pcw_home> 120VAC is common in industrial control panels (not so common on CNCs thank goodness)
[14:02:05] <zeeshan> yea!
[14:02:10] <zeeshan> its because theyre being cheap asses
[14:02:14] <zeeshan> and dont wanna use a 24vdc supply
[14:02:39] <zeeshan> there were certain customers that would request a control transformer
[14:02:44] <zeeshan> so it'd go from 120vac 24vac.
[14:02:52] <zeeshan> which i guess wouldn't hurt as bad
[14:03:15] <jfigie> 24VDC is becoming more common practice now days for industrial controls
[14:03:39] <jfigie> but still a low of 120 VAC stuff
[14:03:44] <jfigie> lot*
[14:03:48] <pcw_home> DC also allows better timing
[14:03:49] <roycroft> i don't think there's a way i could break the estop button on my brewing control panel that would expose me to 120vac
[14:03:59] <zeeshan> roycroft: oh trust me!
[14:04:01] <zeeshan> it can be done :P
[14:04:10] <roycroft> unless i opened up the panel and broke it from the inside
[14:04:18] <zeeshan> if the nut backs off
[14:04:20] <roycroft> the plunger mechanism that breaks the circuit is plastic
[14:04:21] <zeeshan> and the switch pops out
[14:04:47] <roycroft> the switch is held onto the panel by collar on the outside and two screws on the inside that press into the panel
[14:05:08] <roycroft> i'm not saying that there it's not a hazard with some estop switches
[14:05:21] <zeeshan> im just exagerrating with the e-stop case
[14:05:25] <zeeshan> theres no way that switch will come out
[14:05:27] <zeeshan> of a 22mm hole
[14:05:29] <roycroft> but i don't think mine is a risk
[14:06:45] <roycroft> my greater concern is keeping water out of the panel
[14:06:56] <roycroft> i run 250vac/50a through that panel
[14:07:09] <zeeshan> do you know why its in nec and csa code
[14:07:18] <zeeshan> that your main panel has to be at least i think 3 or 4 feet off the ground?
[14:07:42] <roycroft> and it is right next to a brewing system that has up to 150L of hot liquid sloshing around making messes and sometimes spilling on the floor
[14:08:09] <zeeshan> you sir need a nema 4 panel :P
[14:08:26] <roycroft> i think i did a good job building mine
[14:08:31] <zeeshan> i thought it was interesting .. the 3-4ft rule is cause
[14:08:35] <zeeshan> when your basement gets flooded for example
[14:08:36] <roycroft> all the indicators and activators and pids are water-resistant
[14:08:42] <zeeshan> you still have some time. to shut off the electrical stuff
[14:09:13] <roycroft> and i've put a seal around where the panel sits on the enclosure
[14:09:16] <jfigie> roycroft use IP65 or better
[14:09:29] <roycroft> i haven't hosed it down to see if any water gets inside
[14:09:42] <roycroft> but i think that incidental water on the panel would be ok
[14:09:52] <roycroft> and i do have the system on a gfci breaker
[14:10:09] <zeeshan> you know even some indoor places
[14:10:12] <roycroft> honestly, though, i've never gotten a single drop of water on the panel
[14:10:13] <zeeshan> a lot of commercial places..
[14:10:19] <zeeshan> they requre water protection for panels?
[14:10:22] <roycroft> but i still built it to be as safe as i could
[14:10:34] <zeeshan> its cause when the fire sprinklers go off
[14:10:38] <roycroft> sure
[14:10:40] <zeeshan> they dont want an electrical fire
[14:10:43] <zeeshan> i thought that was kinda cool
[14:10:47] <roycroft> i don't have those in my garage btw
[14:10:51] <roycroft> fire sprinklers
[14:10:52] <zeeshan> i know :)
[14:10:53] <zeeshan> me either
[14:11:05] <zeeshan> its rare to find just a standard nema 1
[14:11:10] <zeeshan> inside a commercial place
[14:11:25] <roycroft> http://www.zymurgasm.com/NewBrewSystem/ControlPanel/img_0827.jpeg
[14:11:29] <roycroft> that's the panel
[14:11:35] <zeeshan> thats sexy
[14:12:12] <roycroft> http://www.zymurgasm.com/NewBrewSystem/ControlPanel/RearPanel.jpeg
[14:12:16] <roycroft> the rear panel, before paint
[14:12:28] <roycroft> the rear panel is not as water-resistant as the front
[14:12:32] <roycroft> but it's also not as exposed
[14:13:02] <DaViruz> funky connectors, never seen anything quite like it
[14:13:07] <zeeshan> thats pretty
[14:13:08] <roycroft> btw, that's my sheldon horizontal mill in the background on the left, under cover
[14:13:17] <roycroft> which ones, daviruz?
[14:13:19] <zeeshan> http://i130.photobucket.com/albums/p252/turbozee84/null_zps945bc7db.jpg
[14:13:26] <zeeshan> thats water rated
[14:13:32] <DaViruz> roycroft: the circular banjo locking
[14:13:34] <zeeshan> you can tell by the hood on the top
[14:13:39] <DaViruz> (rightmost)
[14:13:54] <roycroft> oh, those are pretty standard twist-locks
[14:14:05] <roycroft> the one on the lower right is the power inlet
[14:14:13] <DaViruz> probably a geographical thing
[14:14:24] <roycroft> the three on the top feed pumps, and the other two on the bottom are for heating elements
[14:14:28] <roycroft> yes, i'm in north america
[14:14:39] <roycroft> in the us and canada you'll find those quite commonly
[14:14:42] <DaViruz> sweden (north europe) :)
[14:15:07] <DaViruz> i guess we use various CEE-connectors for the same purpose
[14:15:11] <roycroft> i know there are european twist-lock ac connectors
[14:15:24] <roycroft> they don't seem to be as common there as they are in the us
[14:15:28] <roycroft> and they're a completely different design
[14:16:58] <roycroft> i use twist locks a lot in my shops
[14:17:21] <roycroft> having a plug come loose while i'm working is one of my biggest annoyances
[14:36:28] <andypugh> Well, swapping the little switchmode for a linear reg running off the rectified 30V (50.5 V at the cap) worked a treat, it got radio synch inside a minute.
[14:37:18] <andypugh> PCW: Thanks for the warning on 6805, I ended up with a 125V-rated adjustable reg.
[14:40:53] <andypugh> Pictures of the new master-clock on a DIN rail here: https://plus.google.com/photos/108164504656404380542/albums/6084292312893766401?banner=pwa
[14:41:24] <pcw_home> VLF radio is probably right around the switching supplies frequency
[14:41:29] <cradek> I get a googl+ signin
[14:41:55] <andypugh> Ah
[14:42:04] <andypugh> Let me try the Picasa version.
[14:42:06] <DaViruz> I don't have permission to view this album
[14:42:19] <Tom_itx> andypugh glad you got it worked out
[14:42:55] * Loetmichel does a sacrilege: ice in the glass... -> http://www.cyrom.org/palbum/main.php?g2_itemId=15448
[14:42:59] <andypugh> https://picasaweb.google.com/108164504656404380542/UnionClock?authuser=0&authkey=Gv1sRgCLfkxP-0g7m8aw&feat=directlink
[14:43:28] <cradek> does the big ssr run the solenoid?
[14:43:58] <andypugh> Loetmichel: With the cask-strength stuff that’s OK as long as the ice cube is made from water from the distillery spring
[14:44:03] <andypugh> cradek: yes
[14:44:29] <cradek> did you have to rewind the solenoid?
[14:44:36] <andypugh> I did, yes.
[14:45:23] <cradek> what's the blue thing marked NA 1.6?
[14:45:46] <andypugh> 1.6A self-resetting fuse
[14:45:50] <cradek> aha
[14:45:55] <andypugh> On reflection, it should have been 1A
[14:46:02] <cradek> the label printer stuff will fall off in a month - I suggest sharpie instead
[14:46:12] <andypugh> Enough to protect the solenoids if the SSR sticks on.
[14:46:32] <cradek> 1.6 is too much?
[14:46:34] <andypugh> It’s special “permanent” label tape
[14:46:47] <cradek> oh maybe mine has just been crap
[14:46:52] <andypugh> The solenoid draws 1.2A. So the 1.6 won’t ever trip
[14:47:09] <cradek> well to be precise, I know it was crap, I just assumed that meant it was all crap
[14:48:26] <andypugh> cradek: http://www.dymo.com/en-US/labelmanager-d1-labels/labelmanager-d1-labels/d1-permanent-labels-1-2-in
[14:49:12] <andypugh> (Why you would ever _want_ a label to fall off is a mystery)
[14:49:15] <cradek> andypugh: looks cool. may it keep time for many years.
[14:49:25] <Jymm> andypugh: Love the use of PC screws and the uncovered mains terminals ;)
[14:49:47] <Jymm> oh and the ferruls
[14:50:10] <Jymm> too expensive to get for small jobs.
[14:50:16] <andypugh> I will probably make a cover for the barrier terminal strip. But it will be in a metal wall box.
[14:50:45] <Jymm> andypugh: Cut up a soda bottle = terminal cover
[14:51:39] <andypugh> The yellow pre-insulated crimps are a bit of a rerearity. The size below red. (0.2 to 0.5mm2). You would be forgiven for thinking that they don’t exist.
[14:52:03] <andypugh> (rarity)
[14:52:12] <Jymm> andypugh: yellow here is 10-12ga
[14:52:13] <cradek> andypugh: do you have a plan for trying to make sure the source stays with the hardware?
[14:52:37] <cradek> consider in some years the signal format might need a tweak
[14:52:38] <andypugh> Jymm: We have “big” yellow and “small” yellow.
[14:52:44] <Jymm> andypugh: ah
[14:53:03] <andypugh> You probably do too. As I aid, the little ones are almost invisible in the market.
[14:53:04] <Jymm> MicroSD cards are waterproof
[14:53:25] <andypugh> cradek: USB stick with 3 partitions, and a hard-copy I think.
[14:54:58] <Jymm> andypugh: why three partitions?
[14:55:43] <andypugh> FAT32 / NTFS / EXT3
[14:55:56] <andypugh> Who knows what will be supported in 20 years?
[14:57:29] <Jymm> andypugh: You could QR code the source too
[14:57:34] <andypugh> Which rather reminds me of this ongoing conversation: https://www.facebook.com/scal.meanie/posts/10152967067719052?comment_id=10152982234849052&offset=0&total_comments=28
[14:58:05] <andypugh> Jymm: I would imagine it would be easier to OCR the text by then.
[14:58:27] <Jymm> andypugh: http://ThisOldClock.co.uk/
[14:58:35] <Jymm> andypugh: Ha, I doubt it.
[14:58:56] <Jymm> andypugh: QR works now.
[14:59:02] <andypugh> (People discussing whether the PDP-11s that we retired 2 years ago could really be 11/40 if they had 2MB of RAM
[15:09:08] <jdh> I still have two 11/73s running
[15:09:52] <andypugh> jdh: Commercially?
[15:09:57] <jdh> yes
[15:10:03] <andypugh> Great :-)
[15:10:30] <jdh> I find it amusing when IT says we have to get rid of our obsolete XP machines
[15:10:58] <andypugh> It’s odd how people are happy for machiniry to keep on doing the job it was built for indefinitely, but feel the urge to change computers even when the job hasn’t changed.
[15:11:54] <jdh> it has a qbus card that effectively sits on a CAMAC crate and does real time ultrasonic inspection
[15:12:02] <Jymm> andypugh: But ppl are not willing to PAY for machinery... Cheap china mentality.
[15:12:52] <jdh> today was day 1 of 17days off!
[15:13:30] <Jymm> jdh: And here you sit on irc ;)
[15:13:58] <PetefromTn_> well just got back from Knoxvegas ;)
[15:13:59] <jdh> just got back from 100km bike ride
[15:14:26] <Jymm> jdh: Yeah... GO GET A LIFE for the next 16 days ya loser!
[15:15:44] <Jymm> jdh: Something fun, different, away from the norm.
[15:16:10] <andypugh> I am going to a ski resort for christmas week
[15:16:18] <andypugh> It's a pity it hasn't snowed yet.
[15:16:45] <Jymm> andypugh: any prediction for snow?
[15:17:03] <andypugh> No
[15:17:08] <Jymm> Bummer
[15:17:15] <jdh> biking is fun. I'm going diving post-xmas in FLORIDA (for pete)
[15:19:39] <Jymm> ah
[15:21:23] <andypugh> The bus picks me up at 03:15. I suppose I ought to pack.
[15:43:06] <Jymm> Dont be a dumbass and throw shit at my owner.. https://www.youtube.com/watch?v=j1vz_5zAScs
[15:49:53] <renesis> yeah fuck dogs
[15:50:16] <renesis> same dog would prob get confused and tear a face off a kid
[15:50:19] <andypugh> I saw “ * graphic * “ and closed the window.
[15:50:40] <renesis> dogs are like kids with learning disabilities that never grow up, theyre literally just stupid
[15:50:48] <renesis> its not even that graphic
[15:52:06] <jfigie> currently my machine has encoders that produce 2500 counts per rev. This works out real nice because it translates to .001 mm of motion per encoder count. If I replace the encoder with one that is say 2048 counts per rev then I get .001220703125 mm per encoder count. Will this result in any kind of round off errors that accumulate after a lot of time or motion?
[15:54:47] <andypugh> jfigie: No. The encoder counts are kept as an integer, and divided as-required.
[15:55:33] <andypugh> The axis encoders will only count up and down by the table travels anyway.
[15:56:30] <andypugh> You can, in theory, accumulate encoder mis-counts over time with quadrature encoders. But you don’t need to worry about rounding errors.
[15:57:00] <andypugh> But do put in a lot of significant digits in the INI file.
[16:00:41] <jfigie> next question if I have an absolute encoder that works as an quadrature encoder but also has a serial channel to get the abs position. how difficult is it to add something that will read the position, load the encoder count register and then call the axis homed at startup?
[16:01:27] <andypugh> There is some support for absolute encoders on the Mesa cards.
[16:02:00] <andypugh> But if you mean that you want to read serial data first, then switch to quadrature mode, then the answer would be “I don’t know” :-)
[16:02:58] <jfigie> I think I want to read the position first because the serial mode is not fast enough.
[16:03:36] <andypugh> In theory you could add a button that called a Python module that uses Pyserial to get the position, and then issued an MDI-G-code command (G10) to set the absolute axis position.
[16:04:38] <jfigie> Pyserial talks over the RS-232 port I assume?
[16:04:49] <andypugh> I assume so, I have never tried it.
[16:05:25] <t12_> pyserial speaks to rs232 ports yeah
[16:05:27] <t12_> or things like them
[16:05:31] <jfigie> I would need to convert the full duplex serial port to 1/2 duplex RS-485
[16:05:32] <t12_> do they really mean rs232
[16:05:35] <t12_> when they say serial
[16:06:42] <andypugh> Good question, the servos that use the same wires for serial and quadrature tend to use their own format.
[16:06:55] <jfigie> I would need to multiplex all of the axis or else I need a serial port per axis
[16:07:12] <t12_> also consider that the transmission rate
[16:07:15] <t12_> may be totally nonstandard
[16:07:18] <t12_> like in the megabits/sec
[16:08:08] <andypugh> http://pico-systems.com/osc2.5/catalog/product_info.php?cPath=2&products_id=11
[16:12:47] <jfigie> OK I want to use a Hiperface encoder, it is bidirectional asynchronous 38.4 K baud so I think that will work with a serial port. I just need to have a direction control for the transceiver
[16:13:55] <jfigie> The first step will be to see if I can talk to the encoder using something like Pyserial.
[16:14:54] <Deejay> gn8
[16:17:20] <jfigie> If I want to use DC servomotors with no tachometers, are there any performance issues by bringing the velocity loop into HAL and let linuxcnc close the V loop based on the delta position from the encoder count register?
[16:18:45] <jfigie> so my motor drives will not be velocity mode but current mode instead.
[16:21:24] <andypugh> You might want a faster-than-normal servo-thread rate.
[16:22:06] <jfigie> you mean faster than 1 msec rate?
[16:22:49] <andypugh> But my machine seems to work fine in pure current-mode with even the motor commutation done in software. I do, however, have a resolver card that gives good-quality velocity feedback. (I don’t know if I am actually using it, though. I should check)
[16:23:20] <andypugh> Yes. PCW seems to suggest that 4kHz is a lot better than 1kHz if the PC can handle it.
[16:23:47] <jfigie> The MB that I am planning on using has about 8uSec jitter for the 25used and 1 msec threads using latency-test
[16:24:05] <andypugh> You should be able to go faster than 1kHz then.
[16:24:17] <jfigie> So I could run at 4 KHz
[16:24:39] <andypugh> Actually, ignore that statement. Latency has not a lot to do with how fast you can run the servo thread.
[16:24:47] <jfigie> right
[16:25:10] <andypugh> Are you counting encoder pulses in software?
[16:25:21] <jfigie> I was just going to ask how you determine the amount of processing time
[16:25:35] <jfigie> No I plan on using mesa cards to count encoder
[16:25:41] <andypugh> You might find that you are limited by base-thread rate to quite modest speeds at 2500 counts.
[16:26:13] <andypugh> I think that the Mesa cards have a high-quality velocity output, based on encoder-edge timestamps.
[16:29:01] <jfigie> So if I have a machine set up and running how do measure how much processing time is left over in each servo cycle.
[16:46:20] <andypugh> (Sorry, I was away)
[16:46:43] <andypugh> jfigie: I think that there is a HAL parameter that reports servo-thread time
[16:48:24] <jfigie> OK thanks I will look for it in the documentation.
[16:48:30] <andypugh> motion.servo.last-period maybe>
[16:48:32] <andypugh> http://www.linuxcnc.org/docs/html/man/man9/motion.9.html
[16:48:58] <andypugh> That is probably the 1mS clock, in practice.
[16:49:13] <andypugh> there is motion-controller.time too
[16:49:50] <andypugh> I think that if you open a halcmd window and “show all” you get the time taken for every function, and can add them up individually.
[18:22:25] <tjb1> The wonderful world of suppliers...send order in 10/23/14 with prints that company quoted 8/4/14 with delivery date of 12/31/14
[18:22:32] <tjb1> contacted today about how they cant make them to print because they don't have 1/3 on their tape measures and need print modifications approved, spend all day dealing with dimwits
[18:22:52] <tjb1> new delivery date is 3/25/15 because they just got prints approved.......
[18:23:30] <tjb1> what a crappy company
[18:25:22] <jdh> 1/3 on tape measure? wtf does that mean?
[18:25:34] <tjb1> dimension on print was 7.33
[18:25:43] <SpeedEvil> lolz
[18:26:03] * SpeedEvil just took delivery of a roll of '200um' thick plastic that was actually 120.
[18:26:11] <SpeedEvil> Because it had '0.2' on the package
[18:26:13] <jdh> they measure witha tape measure?
[18:26:25] <tjb1> I guess
[18:26:28] <SpeedEvil> I guess they mean on a printer UI
[18:26:46] <jdh> 1/3 would be 3.3 thou oversize
[18:26:51] <SpeedEvil> slider with a ruler, not a proper textbox
[18:27:09] <tjb1> and then other messages included stuff about how they make stuff 1/8" bigger than needed because I was complaining about the +-.125 tolerance
[18:27:30] <jdh> pick another vendor
[18:27:45] <tjb1> I don't think we have much of a choice
[18:28:01] <tjb1> inconel baskets
[18:28:22] <jdh> we get inconel stuff made to .1 thou
[18:28:31] <tjb1> this is a weldment
[18:28:35] <_methods> ugh
[18:28:45] <_methods> inconel i have nightmares about that stuff
[18:28:50] <jdh> ours have hundreds of welds
[18:29:40] <tjb1> is your vender near NY?
[18:29:42] <tjb1> vendor
[18:29:58] <jdh> nope, one in cali, one in japan
[18:30:33] <jdh> http://patentimages.storage.googleapis.com/EP0514120B1/imgf0004.png
[18:30:45] <jdh> that is about a 25th of the part
[18:30:47] <tjb1> just drives me crazy that they quoted the original prints and said nothing and then sat on an order for 2 months before saying anything and now delivery date moved 3 months
[18:31:29] <jdh> gaps are welded, the 2 springs in each cell are welded, all the cells are welded together
[18:31:44] <_methods> wow all inconel?
[18:32:10] <jdh> for that part,yeah.
[18:32:48] <_methods> wtf is it for?
[18:32:52] <jdh> http://patentimages.storage.googleapis.com/EP0514120B1/imgf0001.png
[18:33:06] <jdh> the bottom right is the side view of that part
[18:33:07] <_methods> nuclear?
[18:33:12] <jdh> yeah
[18:33:28] <_methods> nice
[18:33:35] <_methods> waste rod storage?
[18:34:05] <jdh> no, in reactor.
[18:34:13] <_methods> wow nice
[18:34:14] <jdh> well, and in waste since they just leave them in there.
[18:35:16] <SpeedEvil> ...
[18:35:19] <SpeedEvil> An inconel fabber
[18:35:26] <SpeedEvil> and they don't have micrometers?
[18:35:47] <SpeedEvil> Is this a guy in his garage?
[18:36:05] <SpeedEvil> 3d print it
[18:36:18] <jdh> do you really need inconel?
[18:38:35] <tjb1> heat treat baskets
[18:38:59] <SpeedEvil> Tehre are 3d printers that can do inconel
[18:39:04] <SpeedEvil> I wonder if they would suit
[18:39:23] <jdh> we have one that does laser sintering. surface finish is crap
[18:39:32] <jdh> what about moly baskets?
[18:39:57] <SpeedEvil> jdh: yeah - for heat treatment baskets, you might not care
[18:40:00] <tjb1> I'm not sure about all the details, I didn't do the design
[18:40:23] <tjb1> 1550F and a quench
[18:40:46] <jdh> otoh, whoever speced 7.33 on the original drawing has issues.
[18:41:04] <jdh> quench might be bad for other materials.
[18:41:28] <andypugh> Numbers are just numbers. There is no reason to prefer any one over any other.
[18:42:03] <jdh> we use moly baskets for our ceramics... ~1800C
[18:45:17] <andypugh> I had a huge “discussion” with a supplier once about how my numbers didn’t “work”. I had one very thin flex-web with a 0.01mm tolerance, and everthing around it was +/- .5mm. The manufactured to “nominal” dimensions and the web disappeared. I said that they had messed up, they said that my dimensions were wrong.
[18:46:21] <tjb1> andypugh: I also argued with the guy today about how his new dimension was in fact not the same as the one on our print
[18:46:24] <andypugh> I knew that the numbers didn’t “work” but it makes no sense to write “10.123 +/- 0.5 mm”
[18:47:52] <renesis> wait was the part within spec though?
[18:48:01] <renesis> even tho it didnt have the feature you drew?
[18:48:38] <andypugh> My part? No. The web was drawn as 0.25 +/- 0.01 and it was less than 0 thick.
[18:49:17] <renesis> what do you mean less than zero thick
[18:49:30] <tjb1> no there
[18:49:42] <andypugh> The other dimensions were super-accurate to the nominal dimension, but the one feature with a tight tolerance was absent completley.
[18:49:52] <renesis> wait you mean less than zero thick on the actual part
[18:49:57] <renesis> more words pls
[18:50:43] <tjb1> part not exist
[18:51:04] <andypugh> I _thought_ I was saying, on the drtawing “I don’t care how you place the other features, but creep up on this and tickle it to thickness”
[18:51:27] <tjb1> andypugh: luckily I don't have to deal with too many vendors
[18:51:38] <tjb1> we have a few people in the plant that work for our department just to make tooling
[18:52:01] <andypugh> But they looked at the drawing, thought “0.5mm is really easy” CNC machined to the nominal dimensions, and ended up with a feature missing.
[18:52:04] <renesis> guess it depends where you were referencing your dimensions
[18:53:11] <andypugh> I can see it both ways. If you made the part exactly to the nominal dimensions then the web disappeared. It comes down to two different ways of interpreting a machining tolerance.
[18:53:58] <andypugh> But the fact remains that the part was not to the drawing in at least one very critical way…
[18:54:13] <renesis> if tje .25 referenced the +/-.5 surface, its not really ambiguous
[18:54:23] <andypugh> (And a valud part _would_ have been to the drawing)
[18:54:33] <renesis> if you reference the same point, like an origin, the part isnt wrong
[18:55:07] <andypugh> Yeah, I stand by my design. But I do understand what went wrong.
[18:55:09] <archivist> the nominals should be FROM an accurate part, they were wrong
[18:56:26] <renesis> well if it was dimension as 1.0 +/- 0.5, and 1.25 +/- 0.1, then the part is correct, without the feature
[18:57:03] <renesis> well if it was dimension as 1.0 +/- 0.5, and 0.25 +/- 0.1 referencing off the top of the 1.0 feature, then they owe you money or parts
[18:57:03] <andypugh> The web thickness was individually dimensoned as a thickness.
[18:57:04] <archivist> it is never correct to miss asked for features
[18:57:10] <renesis> they should have called you
[18:57:15] <renesis> but i wouldnt hold them liable
[18:57:22] <archivist> I would
[18:57:45] <andypugh> Yeah, I ended up with two parts and the drawing was definitely of one :-)
[18:57:48] <renesis> if its thickness dimensioned i would
[18:58:02] <renesis> if its coordinate dimensioned of a single point, i wouldnt
[18:58:07] <jdh> if the feature was in the drawing, it should have been in the part.
[18:58:09] <renesis> sounds like theyre just fuckups tho
[18:58:41] <renesis> jdh: it could .00001 thick and be to spec, you couldnt deny its there =)
[18:58:59] <andypugh> I can’t actually believe that they called me in to tell me off, rather than just make another part and keep quiet.
[18:59:05] <renesis> if it was dimensioned as a height from the 0.5 tolerance feature, its not ambiguous and theyre fuckups
[18:59:47] <andypugh> Anyway… I need to get up in 2 hours :-)
[18:59:59] <tjb1> I like the machinists that think all the engineers are retarded
[19:00:11] <renesis> some of the engineers are
[19:00:24] <tjb1> one said I pulled a 47* chamfer out of my ass
[19:00:43] <andypugh> (with a 3am pickup I never expected much sleep, but I should try)
[19:00:48] <renesis> is that a standard tool or something
[19:01:21] <andypugh> You wouldn’t choose 47* without a good reason, I would say.
[19:01:52] <andypugh> But even if you did, it’s their job to make what you draw.
[19:01:55] <tjb1> it was to contact a head angle on a collet to try to avoid scratching it
[19:02:08] <renesis> thats polite
[19:02:17] <tjb1> spread collet, angle is 45* at nominal and 50* at spread
[19:02:24] <renesis> couldnt you have changed some other dimension and used 45?
[19:02:36] <renesis> oh
[19:02:37] <tjb1> not that it matters renesis
[19:02:46] <renesis> i dunno was curious
[19:02:53] <tjb1> lathe and grinder dont care about angle besides they bitch about not being able to use a center
[19:02:56] <renesis> but yeah, moving springy thing
[19:03:55] <andypugh> I thought collets were meant to take a recurved shape with a parallel bore, so that the socket angle should suit the 45 degree.
[19:04:27] <tjb1> andypugh: the 45* wasnt the contact head angle
[19:04:32] <tjb1> more of a relief on the head angle
[19:05:00] <tjb1> it went from 45* to like 16* I think
[19:05:28] <tjb1> Some weird collet with a ton of spread
[19:05:46] <andypugh> In any case, you draw it, they make it. That’s the job-split :-)
[19:06:03] <andypugh> And now I really am going.
[19:07:26] <tjb1> the wonderful world of collets
[20:17:06] <n00b101> hello I have a 3-jaw sherline 3.1" chuck ... first time using this, and the jaws have become stuck on a 3/4" aluminium rod. the jaws to refuse to open. is it broken?
[20:18:05] <poormansairforce> Tried to register on the forums and its telling me that there are 5 things entered wrong....not so... what gives??? Who can I contact to register?
[20:18:26] <Tom_itx> JT-Shop may be able to fix that
[20:18:30] <Tom_itx> i bet he's not here though
[20:21:32] <poormansairforce> Thanks....I'll P.C. him
[20:21:55] <PetefromTn_> evening folks!
[21:11:12] <n00b101> uh nevermind i was turning it the wrong way
[21:43:47] <jdh> oops
[22:18:31] <PetefromTn_andro> Dead in here today it seems.
[22:20:50] <Tom_L> busy
[22:21:43] <PetefromTn_andro> Yeah man I was Christmas shopping all afternoon. Tired as Hell now LOL
[22:22:36] <jdh> shopping sucks
[22:22:55] <PetefromTn_andro> Picked up a bunch of aluminum for some jobs I gotta do in knoxvegas this morning.
[22:24:19] <jdh> I cut some brackets out of .250 rect. stock that came out great.
[22:24:20] <PetefromTn_andro> Also got some drop pieces that were there that might come in handy for some prototype work I have to do.
[22:24:39] <jdh> got some .250 flat stock and tried the same cut... turned out crappy
[22:25:02] <PetefromTn_andro> Why
[22:25:21] <jdh> different Al I think
[22:25:27] <jdh> didn't cut well
[22:25:37] <PetefromTn_andro> Huh
[22:26:04] <PetefromTn_andro> Usually the barstock cuts real nice
[22:26:13] <jdh> it did
[22:26:22] <jdh> the plate didn't
[22:26:54] <PetefromTn_andro> Is it5052 or 3k. Series?
[22:27:07] <jdh> mine was 6061
[22:27:20] <jdh> dunno what the other was. soft and yucky
[22:27:45] <PetefromTn_andro> Probably the 3 series it is soft and gummy like that
[22:28:05] <PetefromTn_andro> Cuts like Shit
[22:29:05] <jdh> random cuts I picked up at teh scrap place
[22:30:27] <PetefromTn_andro> Got some nice new skull kandy in ear monitor headphones for pretty good deal at Hastings and also got the new final Pink Floyd album the endless river tonight. Enjoying both of them right now.
[22:31:01] <roycroft> put on atom heart mother after
[22:31:03] <roycroft> :)
[22:31:17] <PetefromTn_andro> There is supposed to be a decent scrap metal place up in south Knoxville
[22:31:33] <PetefromTn_andro> Will do Roy LOL
[22:31:37] <jdh> I used to live off Chapman
[22:31:57] <roycroft> that and meddle are my two favorite floyd albums
[22:32:18] <roycroft> tied for first
[22:32:27] <roycroft> obscured by clouds is my third favorite
[22:32:34] <PetefromTn_andro> I absolutely love the division bell and the delicate sound of thunder
[22:32:47] <roycroft> dsotm comes in at #4
[22:33:14] <PetefromTn_andro> And I like all of the other too of course
[22:33:15] <jdh> I don;t think DB and delicate are anything like the rest
[22:33:57] <PetefromTn_andro> They are not of course but they are actually my favorites
[22:34:32] <PetefromTn_andro> They seem more mellow and I like that
[22:36:10] <PetefromTn_andro> I have to machine some 1/8 inch 6061 plate for a prototype tomorrow
[22:37:23] <roycroft> i just decided to fabricate a burner stand for my reduction kettle tomorrow
[22:37:44] <roycroft> this may be the last good weekend for working in my welding shop without bring a big heater out there until spring
[22:38:16] <PetefromTn_andro> Yeah I know and my forced air heater is doa right now
[22:38:27] <roycroft> and i still haven't finished cleaning the shop up after welding up the main stand
[22:38:41] <roycroft> so i might as well get all the welding and grinding finished before i clean up
[22:39:44] <PetefromTn_andro> Main stand for what?
[22:40:18] <roycroft> my brew system
[22:40:36] <PetefromTn_andro> Okay
[22:41:03] <roycroft> www.zymurgasm.com/NewBrewSystem/NewBrewStand.jpeg
[22:41:11] <roycroft> that's the main stand
[22:41:33] <roycroft> i make some beers where i need to do a reduction boil of some of the runnings, so i need a second burner for that
[22:42:22] <roycroft> http://www.zymurgasm.com/NewBrewSystem/NewBrewStand/WholeSystem.jpeg
[22:42:32] <roycroft> that's a little fuzzy, but it's the main stand with the plumbing installed
[22:42:34] <PetefromTn_andro> Yeah I know I think you mentioned that before. I have built several different beer brewing stand setups for local customers
[22:42:50] <roycroft> i need to make brackets to support the plumbing this weekend as well
[22:43:44] <roycroft> the stand itself is made of 1020
[22:43:53] <roycroft> the burner support is 304
[22:44:18] <roycroft> i brewed this past weekend, and i could hold my hand on any part of the main stand while the burner was going full blast
[22:44:26] <roycroft> so i don't need super high temp paint for it
[22:44:31] <roycroft> engine paint would be fine
[22:44:41] <roycroft> and probably that's not even necessary
[22:45:23] <PetefromTn_andro> The last stand I built was entirely stainless steel but not all polished like that.
[22:46:20] <roycroft> i have about $7k into that brew system now
[22:46:23] <roycroft> and i'm out of cash for it
[22:46:29] <roycroft> i could not afford ss tubing for the stand
[22:46:46] <PetefromTn_andro> Shit is expensive.
[22:46:57] <roycroft> the plumbing is what killed
[22:46:58] <roycroft> me
[22:47:05] <roycroft> those tri-clover fittings are so damn expensive
[22:47:11] <roycroft> and there's so many of them
[22:47:20] <PetefromTn_andro> I was amazed at how much cash the customer has been putting into it
[22:47:21] <roycroft> the clamps are $7.95 each
[22:47:23] <roycroft> not too bad
[22:47:30] <roycroft> the gaskets for each connection are $1.79 each
[22:47:32] <roycroft> not too bad
[22:47:39] <roycroft> but i had to buy 50 of each
[22:47:43] <roycroft> and ran out and had to buy 10 more of each
[22:48:12] <roycroft> yeah, it all adds up really quickly
[22:48:42] <roycroft> i tell you though, brew day is so nice now
[22:49:01] <roycroft> no more lifting heavy kettles full of hot, sticky liquids
[22:49:11] <roycroft> i just turn valves and push buttons
[22:49:12] <PetefromTn_andro> After I finished the project he invited us along with almost fifty of his close friends to a huge bar b Que at his home where he cooked a whole pig on the smoker grill that I helped him build
[22:49:21] <roycroft> nice
[22:49:59] <PetefromTn_andro> Yeah it was a lot of fun and the pig was delicious
[22:50:14] <roycroft> after a year of designing/building this brew system i'm starting to get back into brewing seriously
[22:50:37] <PetefromTn_andro> I don't drink beer but everyone seemed to be enjoying it so I guess it's good
[22:50:54] <roycroft> i only brewed 7 times this year
[22:50:59] <roycroft> i brewed 30 times last year
[22:51:15] <roycroft> my problem is that i don't drink a whole lot
[22:51:20] <roycroft> but i love to brew
[22:51:26] <PetefromTn_andro> I enjoy some good wine occasionally
[22:51:27] <roycroft> fortunately i have friends who like beer
[22:51:40] <roycroft> i make mead and cider as well
[22:51:54] <roycroft> i'd like to make wine, but haven't gotten into that yet
[22:52:25] <roycroft> i've been doing a lot of research on ancient beers - before hops were used - and i've brewed a number of non-hopped beers
[22:52:27] <PetefromTn_andro> There are actually several small wineries in Gatlinburg and Pigeon forge
[22:52:31] <roycroft> they're called gruits
[22:52:39] <roycroft> and some of the ones i've made are pretty good
[22:53:02] <roycroft> i just got some wine tonight made with niagra grapes
[22:53:20] <roycroft> i've heard of them, but they only grow back east, in new york, new england, and southern ontario
[22:53:32] <PetefromTn_andro> We went in and sampled from the free tasting at their stores in Gatlinburg and some of it was pretty good
[22:53:35] <roycroft> it's a pretty nice wine, although a little sweet
[22:53:45] <roycroft> i've never had wine from tennessee though
[22:54:00] <roycroft> i haven't been to tennessee since the early '70s though
[22:54:20] <roycroft> and i wasn't of drinking age then (officially)
[22:54:26] <PetefromTn_andro> It is also kinda sweet but honestly I kinda like a bit more fruity tasting wine
[22:54:32] <roycroft> and wine wasn't a big deal then
[22:54:42] <roycroft> i like dry fruity wines
[22:55:03] <roycroft> i really like the flavors from this niagra wine, but i wish it were a bit drier
[22:55:10] <PetefromTn_andro> Then you might enjoy the ones that they make here.
[22:55:29] <roycroft> i'll look for some
[22:55:44] <roycroft> the local supermarkets won't have them, of course, but there are some wine specialty shops in town
[22:56:28] <PetefromTn_andro> The only one my wife and I really considered buying was one made from muscodine
[22:56:42] <roycroft> i've been focusing on belgian beers for the past 2-3 years, and the belgian sours can be rather vinuous
[22:56:48] <roycroft> perhaps the most wine-like of any beers
[22:56:53] <PetefromTn_andro> Dunno if that is the correct spelling
[22:57:00] <roycroft> i like moscatos
[22:57:11] <roycroft> but they are often too sweet
[22:57:19] <roycroft> a good dry moscato is really nice
[22:57:26] <roycroft> bursting with fruity flavors
[22:57:35] <PetefromTn_andro> Yeah well like I said it was kind of sweet
[22:58:02] <roycroft> this stuff i have to night has peach, honeysuckle, orange blossom, and honey flavors
[22:58:13] <roycroft> it's pretty nice other than being too sweet
[22:58:29] <Tom_itx> how to make a part from drawing in solidworks?
[22:58:40] <jdh> hsm express?
[22:58:52] <jdh> or do you mean a SW part
[22:59:14] <Tom_L> sw part
[22:59:15] <roycroft> i don't know what cam plugins there are for sw
[22:59:32] <PetefromTn_andro> I know lots of folks love their beers but I never acquired a taste for it. It always seems to have this heady after taste I dislike.
[22:59:43] <roycroft> it's something i'm going to have to look into whenever i cnc my mill
[23:00:02] <roycroft> i don't push people to become beer drinkers
[23:00:12] <PetefromTn_andro> Not sure what you are doing tom
[23:00:13] <roycroft> but i bet you i could make a beer you would like
[23:00:22] <roycroft> i'm good at making beers that non-beer drinkers like
[23:00:43] <roycroft> i think tom is designing a part in sw and wants to cnc mill it
[23:00:44] <PetefromTn_andro> LOL yeah you are welcome to try
[23:01:01] <roycroft> please correct me if i'm wrong
[23:01:31] <roycroft> or cnc turn it
[23:01:38] <roycroft> i should not assume what kind of part it is
[23:03:07] <roycroft> i'm designing this new stand in sw right now
[23:03:20] <roycroft> but it's just a simple 3d sketch, then adding weldments
[23:06:56] <PetefromTn_andro> All of the running around today and I still feel like I didn't get hardly any Christmas shopping done
[23:09:54] <PetefromTn_andro> Running out of Time for sure
[23:14:46] <PetefromTn_andro> Was watching some videos by oxtools
[23:15:19] <PetefromTn_andro> I like to see the different ways that he does things.
[23:15:48] <PetefromTn_andro> He has some interesting ideas about how to setup machining parts
[23:16:34] <PetefromTn_andro> I like the little vise mounted tooling plate and hold downstairs he made
[23:17:45] <PetefromTn_andro> And the way he turned his little 5c collet spin indexer into a neat little dividing head is pretty cool
[23:21:00] <zeeshan> yea i watch him and abom79
[23:21:07] <zeeshan> and keith fenner and keith rucker
[23:21:09] <zeeshan> religiously :P
[23:21:13] <zeeshan> theyre all awesome
[23:28:56] <PetefromTn_andro> Yup watching now LOL
[23:59:09] <Rickta59> anyone using emc2 for 3d printing?