#linuxcnc | Logs for 2016-11-07

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[00:14:16] <XXCoder> SpeedEvil: https://www.ready.noaa.gov/READYmoistcal.php
[00:14:18] <Jymmm> Cahnge your oil and "clean" your carburetor at the same time... https://www.youtube.com/watch?v=gUR7wV09xuE
[00:20:36] <XXCoder> big safety lol
[00:21:21] <SpeedEvil> XXCoder: or that
[00:22:04] <XXCoder> his machine isnt burning effeciently enough
[00:22:08] <XXCoder> it leaves deposts
[00:22:43] <Jymmm> XXCoder: Recycle old manifolds you say? https://www.youtube.com/watch?v=pBhOAiipyZg
[00:24:11] <XXCoder> that one is better
[00:24:39] <XXCoder> though maybe try some isulation to keep heat
[00:25:04] <Jymmm> Uh, just wait... not needed =)
[00:25:30] <XXCoder> it may work but some isulation it works even better and faster
[00:26:03] <Jymmm> The nozzle is starting to glow =)
[00:27:21] <XXCoder> I like myfordboy oil burner system better
[00:28:10] <Jymmm> Just amazed the energy is old motor oil
[00:28:29] <XXCoder> yeah though both videos they waste some oil
[00:29:03] <XXCoder> https://www.youtube.com/watch?v=ZbnroanPt4g&list=PLQyl_LP87ZqK5nzJTgDKWWkZsP2z0pfeZ
[00:29:15] <XXCoder> 6 video, hes making oil fired kiln
[00:33:56] <Jymmm> It looks like it has cull combustion, but I gueee not
[00:34:02] <Jymmm> full*
[00:34:19] <XXCoder> your second link its lot better than first one
[00:34:39] <Jymmm> I mean the 2nd link
[00:46:19] <XXCoder> I found it funny he used orbal sander as vibration source to settle
[00:54:10] * SpeedEvil ponders suborbital sanders.
[00:55:49] <djdelorie> I had a geosynchronous sander once. It just sat there.
[00:58:48] <XXCoder> heh
[02:13:18] <IchGucksLive> morning first snow here in Germany this morning
[02:13:48] <XXCoder> hey snow-dusted forest ranger machinist IchGucksLive
[02:14:10] <IchGucksLive> so cool milling starts right up
[02:14:17] <IchGucksLive> bye
[02:14:36] <XXCoder> lol
[02:31:39] <Deejay> moin
[04:12:25] <linux_vampire> hi
[04:12:39] <XXCoder> hey
[04:12:55] <linux_vampire> i'm getting strips on my screen http://i.imgur.com/erhTOSV.png
[04:13:26] <XXCoder> that's weird
[04:13:42] <linux_vampire> and the display in linux cnc also go blank
[04:50:08] <pink_vampire> i tried to install the nvidia driver
[04:50:25] <pink_vampire> and now it die
[04:50:47] <archivist> nvidia driver is never a good idea
[04:51:07] <pink_vampire> i'm not getting any display
[04:51:12] <archivist> they dont play well with latency
[04:51:45] <pink_vampire> is there a way to go back?
[04:51:47] <archivist> plug in card or mb video
[04:52:11] <pink_vampire> the mb is nvidia 7050
[04:52:40] <pink_vampire> i was old my old cad pc
[04:53:28] <archivist> it may be hardwork, but, pring up in a text mode and edit the X display so it is using the open source driver not nvidia
[04:53:35] <archivist> bring
[04:54:14] <pink_vampire> maybe to just re install it?
[04:54:23] <archivist> there is a text file somewhere, I last did something like that 10-15 years ago
[04:55:04] <archivist> or plug in a non nvidia card so that gets used instead
[04:55:17] <pink_vampire> ati?
[04:55:25] <archivist> try it
[04:56:11] <pink_vampire> everyone says that ati not work at all in linux
[04:58:12] <archivist> I have a FX5200 card running right now
[04:58:50] <XXCoder> ati card here. mostly works, just browsers isnt 100%
[04:59:37] <archivist> I see mine is nvidia, most important to never use their driver
[05:09:08] <sector_0> Is there a current limiting feature on the TB6600?
[05:10:17] <sector_0> There's one on the a4988 and the datasheet says it's to protect the stepper from over current when powering it with more than its rates voltage
[05:11:20] <sector_0> So I'm guessing there should be something similar on all stepper controller modules, but I don't see any adjustment on the TB6600 module
[05:11:23] <archivist> probably, read its datasheet
[05:12:18] <pink_vampire> archivist: what cpu / ram are you using?
[05:12:58] <archivist> dunno it is an old Compaq box
[05:13:19] <archivist> probably intel
[05:14:57] <pink_vampire> what kernel version?
[05:15:21] <pink_vampire> uname -a
[05:16:42] <XXCoder> http://s3.crackedcdn.com/phpimages/photoshop/6/3/3/569633_v1.jpg very very much true.
[05:20:19] <archivistatmill> Linux mill 3.4-9-rtai-686-pae #1 SMP PREEMPT Debian 3.4.55-4linuxcnc i686 GNU/Linux
[05:22:34] <sector_0> archivist: I've at least one tb6600 module with a adjustable current limit pot and the board, but the most common packages are entirely enclosed, so do still have the current limit feature on the board if I open the enclosure?
[05:22:41] <sector_0> Seen*
[05:23:24] <archivist> never used one, whatever the chip datasheet says
[05:24:06] <archivist> I have looked at the data in the past a few years ago
[05:26:02] <sector_0> archivist: yeah it turns out it does make provision for a current limit pot
[05:26:11] <archivist> you can then cut track add a variable resistor and adjust, BUT you must be aware of limits with the amount of heatsink you have
[05:26:41] <archivist> some add cooling
[05:27:44] <sector_0> Well the thing is, I was referring to the common module we see for sale online, i'd rather buy a module with a pot built-in
[05:28:38] <sector_0> The reason I'm asking is because the one with minimal enclosure (where I can see a pot) is more expensive than the one where I'm not sure if there's a pot
[05:28:41] <archivist> there are more than one common module
[05:29:24] <sector_0> Look at this on eBay http://www.ebay.com/itm/261525880253
[05:30:17] <archivist> where there is no pot they probably limit it to a level where convection cooling is ok
[05:31:46] <archivist> that one is adjustable with switches has a table on its side
[05:33:25] <archivist> look at middle picture
[05:52:45] <sector_0> archivist: ohh
[05:53:31] <sector_0> Didn't even look at the table, I just assumed those were the step resolution switches :p
[05:54:44] <jthornton> morning
[05:59:21] <Tom_L> hey
[06:02:04] <jthornton> your up early what's up
[06:02:22] <Tom_L> not the sun
[06:02:44] <Tom_L> i'm usually up, just not on irc
[06:18:12] <jthornton> I wonder how my print came out last night...
[06:21:12] <jthornton> looks like it's going to cool down a bit this week
[06:24:29] <XXCoder> hey jthornton what ya printing
[06:25:08] <jthornton> a box for the full graphics controller card
[06:25:16] <XXCoder> cool
[06:25:25] <XXCoder> I still cant get my printer to dial in again :(
[06:25:31] <XXCoder> it prints so beautfully
[06:26:04] <XXCoder> just strange issue... the diameter and hole test - the box area is very close (10.04 mm), rods are too big and holes too small
[06:26:25] <XXCoder> so it is too small, perfect, and too big
[06:26:54] <jthornton> strange, I wish I knew more about the process and what causes what
[06:27:12] <XXCoder> yeah
[06:27:27] <jthornton> it took about 15 minutes of running to get the hot break cleared out and the extruder to stop skipping
[06:28:53] <jthornton> I wish the XZ axes were a bit more sturdy and could carry the extruder
[06:31:27] <jthornton> I'm ordering a MK8 hardened hobbed drive gear from here http://www.tridprinting.com/Mechanical-Parts/#3D-Printer-Hobbed-Drive-Gear
[06:31:53] <XXCoder> for new extruder or?
[06:32:46] <XXCoder> https://www.thingiverse.com/thing:1601160/apps object im talking about
[06:32:48] <jthornton> for the current one, it has a smaller diameter so you can turn the stepper a bit faster with more torque
[06:33:09] <XXCoder> nice
[06:33:15] <jthornton> aye I remember that one
[09:37:04] <Tom_L> https://github.com/vlachoudis/bCNC/wiki
[09:37:08] <Tom_L> anybody see that?
[09:45:15] <JT-Shop> aye I see it
[09:46:16] <Tom_L> what i meant was ' try ' it
[09:47:13] <JT-Shop> I can in the morning
[09:47:23] <Tom_L> rue found it
[09:47:40] <JT-Shop> I saw that
[10:26:19] <Jymmm> HEh, cardboard as insulaton has a better R value than fiberglass batts
[10:26:55] <jdh> not for fire resistance though
[10:27:29] <_methods> +1 fire attraction value though
[10:28:43] <Jymmm> More like +10 for kindling =)
[10:29:50] <Jymmm> Interesting though, Polyisocyanurate has the highest R value per inch of various materials, R7 per inch
[10:30:47] <Jymmm> Polyurethane spray foam insulation rigid panels, foil-faced 7.9 - 8.4
[10:31:05] <SpeedEvil> Vacuum insulated panels are better
[10:31:32] <Jymmm> 30-50 for vacuum per inch
[10:33:09] <Jymmm> I always pondered about that. Build a "thermos" home, just not sure how you would do the windows
[10:37:18] <SpeedEvil> Annoyingly you need a very, very good vacuum.
[10:37:27] <SpeedEvil> Atmospheric pressure is 100000Pa.
[10:37:42] <SpeedEvil> 1Pa is essentially the same conductance as atmospheric
[10:38:04] <SpeedEvil> you need to get to where the mean free path is longer than the gap
[11:23:33] <Jymmm> SpeedEvil: Well, double pane windows is a good "practical" (for all intents and purposes) example of vacuum in residential construction. What about pre-fabbed walls
[11:24:55] <archivist> residential double glazing is hardly vacuum
[11:25:17] <Jymmm> they are argon filled
[11:25:31] <archivist> some are
[11:26:20] <Jymmm> well, those are what I was speaking of
[11:26:59] <archivist> argon at normal pressure is not vacuum
[11:27:44] <roycroft> multi-pane windows are generally argon or krypton filled
[11:27:59] <roycroft> vacuum windows are fairly uncommon
[11:28:10] <roycroft> and they're not a real vacuum, but they are reduced pressure
[11:29:23] <archivist> more like they were made on a low pressure day and show a little flex inwards
[11:30:25] <roycroft> the panes have to be thicker because of the temperature differential, and they're still more susceptable to breakage than gas-filled windows
[11:30:45] <roycroft> argon/krypton are more dense than air, but the pressure differential is much less than with a reduced pressure window
[11:31:26] <roycroft> argon helps with uv absorption as well
[11:31:36] * Jymmm volunteer's roycroft to be vacuum boy!
[11:31:57] * roycroft sucks it up
[11:32:06] <Jymmm> roycroft++ haha
[11:32:13] <archivist> all the years I have worked for a window company, vacuum and reduced pressure has never been mentioned
[11:32:30] <roycroft> they exist, but are quite uncommon
[11:32:43] <roycroft> argon is really cheap
[11:32:47] <roycroft> and performs well
[11:33:33] <archivist> not even an option I was asked for for the website
[11:33:41] <sync> SpeedEvil: reducing the mean free path to more than the gap is easy
[11:34:01] <Jymmm> R Value https://sizes.com/units/rvalue.htm
[11:34:39] <roycroft> perhaps they're even more uncommon in the uk, or not used at all
[11:35:25] <DaViruz> vacuum in a square meter of window would generate quite interesting forces
[11:35:44] <archivist> so much they would break
[11:36:07] <CaptHindsight> do the windows have to be transparent in the visible spectrum or will just RF suffice?
[11:36:37] <sync> DaViruz: it does, that is why they have spacers
[11:36:37] <roycroft> most modern windows are not transparent to rf
[11:36:51] <archivist> they have odd coatings for infrared and ultraviolet and self cleaning
[11:36:52] <Jymmm> They made glass thermos back in the 60's
[11:36:55] <roycroft> most have invisible metal film coatings to prevent passage of uv
[11:37:14] <roycroft> we have customers who have problems connecting to the municipal wifi network that i operate
[11:37:29] <CaptHindsight> Jymmm: but those had metal shells
[11:37:36] <roycroft> usually they put their ap or antenna in front of a window, thinking they'll get better signal that way
[11:37:47] <roycroft> we often move the ap/antenna away from the window, and get stronger signal
[11:37:58] <Jymmm> CaptHindsight: But the internals where double envelope glass
[11:38:04] <archivist> I should measure I have plenty glass units and a network analyser
[11:38:07] <roycroft> even though wood is a good absorber of wifi signal, it passes more than most modern windows
[11:38:09] <CaptHindsight> so ancient insulated windows are better for RF?
[11:38:26] <roycroft> pre-'70s windows are usually more rf transparent than more modern ones
[11:38:32] <archivist> ancient single glaze
[11:38:42] <CaptHindsight> Jymmm: I always wished mine were clear so I could see what was inside
[11:38:56] <roycroft> we use 2.4GHz for the customer end point connections
[11:39:06] <roycroft> we reserve 5.8GHz for our backhaul mesh
[11:39:11] <Jymmm> CaptHindsight: It looks like they are now... http://i.ebayimg.com/00/s/NTAwWDUwMA==/z/GAwAAOxySoJTVkGE/$_3.JPG?set_id=2
[11:39:22] <roycroft> i don't know what rf performance at 5.8GHz is for modern windows
[11:39:49] <CaptHindsight> can you still see through them with the naked eye?
[11:40:40] <CaptHindsight> Jymmm: are you building a thermos or a window?
[11:40:49] <archivist> a dream
[11:41:08] <CaptHindsight> is there a thermos or a window in the dream?
[11:41:20] <Jymmm> CaptHindsight: Not building anything now, was just looking at insulation properties
[11:41:56] <Jymmm> CaptHindsight: http://www.ebay.com/itm/Stronglas-Replacement-Filler-No-62F-Genuine-Thermos-Wide-Mouth-Vacuum-Bottles-/391375374711
[11:42:13] <CaptHindsight> Jymmm: thermal or mind control rays?
[11:42:41] <CaptHindsight> can you store heat in a thermos for later use?
[11:42:50] <Jymmm> CaptHindsight: Thermal, but Faraday is awesoem too
[11:43:02] <Jymmm> CaptHindsight: you can store heat in salt
[11:43:44] <CaptHindsight> Jymmm: why don't they makes thermoses (thermosi?) from salt
[11:44:47] <Jymmm> CaptHindsight: low sodium diets?
[11:45:14] <Jymmm> CaptHindsight: I guess I forgot the word molten salt https://en.wikipedia.org/wiki/Solar_power_plants_in_the_Mojave_Desert#Solar_One_and_Solar_Two
[11:45:17] <CaptHindsight> Jymmm: you might enjoy http://www.jir.com/
[11:45:52] <Jymmm> CaptHindsight: Eh, not really.
[11:46:21] <CaptHindsight> is that why deserts attract heat?
[11:47:00] <Jymmm> CaptHindsight: It just kinda bugged me on the waste of energy, be it a current drop resistor for led's or the massive btu's exiting a chimney.
[11:47:52] <Jymmm> CaptHindsight: In the case of a wood stove, it needs that massive heat for full combustion.
[11:48:49] <Jymmm> You need "some" heat for the updraft, sure. And then you damper back at night, adnd you get cresote and poor combustion.
[11:49:29] <CaptHindsight> well heat exchangers require the use of materials
[11:49:36] <CaptHindsight> materials that cost $
[11:50:00] <Jymmm> But, if you just did the massive burn to get full combustion, then stored in salt for overnight/24 hours, and release as needed, you might have something there (thus the molten salt)
[11:50:02] <archivist> that used energy in their making
[11:50:55] <jesseg> Think of the Eskimos living in ice houses. All it takes is a little acclimation and.... never mind... *reaches for cup of hot tea*
[11:51:34] <CaptHindsight> jesseg: but Jymmm doesn't look good in seal skins
[11:51:36] <archivist> they just fire up some seal blubber and warm themselves
[11:51:59] <jesseg> archivist, yeah.. but not very warm.. remember, the house is still made of ice.. :D
[11:52:10] <Jymmm> CaptHindsight: The hell I don't!!! You just gotta work it baby!!!
[11:52:11] <jesseg> CaptHindsight, big problem there. Scratch that idea.
[11:54:02] <jesseg> Wow... that igloo comment put a chill on things.. sorry goes.. please continue :D
[11:54:48] <jesseg> *sorry guys...
[11:54:51] <CaptHindsight> http://www.popularmechanics.com/home/how-to/g1116/14-bright-ideas-for-a-better-wood-stove/
[11:55:08] <jesseg> yeah that's about it
[11:55:18] <jesseg> large heat exchanger surface area
[11:56:21] <CaptHindsight> afterburner for uncombusted particles
[11:57:38] <CaptHindsight> http://web.mit.edu/16.unified/www/FALL/thermodynamics/notes/node131.html
[11:57:52] <CaptHindsight> http://www.engineersedge.com/heat_exchanger/Camparison_heat_exchanger_types.htm
[11:58:44] <roycroft> ice is a good insulator
[11:59:06] <CaptHindsight> at 68F?
[11:59:10] <Jymmm> CaptHindsight: It's the combustion (high temps), not a matter of extraction that I'm looking at. http://www.miniwoodgas.com/miniwoodgas_002.htm
[11:59:12] <roycroft> yes
[11:59:15] <jesseg> no at 31.5 :P
[11:59:20] <roycroft> but it won't last for a long time at that temperature
[11:59:36] <roycroft> but while it's there it is a good insulator
[12:00:04] <CaptHindsight> https://www.comsol.com/blogs/efficient-heat-exchanger-its-all-in-the-pipes/
[12:00:13] <jesseg> roycroft, I'm not sure if you can say that it insulates at 68F since it has an extremely powerful latent energy absorption at 32F
[12:01:20] <roycroft> actually, at 68f it's not ice any more
[12:01:27] <roycroft> so that is a moot point
[12:02:10] <CaptHindsight> http://energy.concord.org/energy2d/ Interactive Heat Transfer Simulations for Everyone
[12:02:56] <Jymmm> CaptHindsight: Again, I'm not talking about extraction, but full combustion.
[12:04:17] <archivist> compromise between a good burn and heat out
[12:04:56] <Jymmm> archivist: That's why I was looking of salt storage. Good burn, and then store and release
[12:05:02] <CaptHindsight> Jymmm: you won't get it hot enough so look at heat exchangers
[12:06:04] <archivist> have any of these Jymmm dream ideas ever been built
[12:06:10] <Jymmm> CaptHindsight: https://www.youtube.com/watch?v=pBhOAiipyZg
[12:07:45] <CaptHindsight> Jymmm: what would you like to burn?
[12:08:00] <CaptHindsight> wood?
[12:08:28] <archivist> witches
[12:08:35] <Jymmm> haha
[12:08:52] <Jymmm> Nah, they make a mean brew
[12:12:26] <CaptHindsight> https://www.google.com/search?q=highest+efficiency+witch+burning+furnace
[12:12:40] <Jymmm> I'm just looking at what's out there, They used wood gassifiers during the war (see that FEMA document), I was kinda impressed, but just seeing how much is wasted, literally going up in smoke, especially where 60% of the energy in wood is in the gas, not the solids, bugged me.
[12:13:01] <Jymmm> CaptHindsight: lol
[12:13:52] <CaptHindsight> if you didn't have to breath in the house it would be easier
[12:14:27] <Jymmm> Cord of almond is 32.9M BTU's, but I don't know how much of that is wasted.
[12:14:50] <Jymmm> CaptHindsight: But, if I had FUL combustion, then it wouldn't be as much of an issue.
[12:15:49] <Jymmm> witht he exception of the tars as I understand it
[12:17:30] <Jymmm> interesting approach http://www.thedrizzler.org/
[12:23:00] <IchGucksLive> hi
[12:23:54] <roycroft> a candidate for congress in my district (art robinson) has been advocating for years that we dispose of our nuclear waste by adding small amounts of it to the concrete used in residental housing foundations
[12:24:03] <IchGucksLive> Deejay: snow
[12:24:09] <roycroft> he belives that low-level radiation is beneficial to one's health
[12:24:29] <roycroft> and it would have the added benefit of augmenting our home heating systems
[12:24:47] <gregcnc> are you voting for him?
[12:25:00] <roycroft> i have already voted
[12:25:01] <roycroft> and no
[12:25:06] <roycroft> he runs every two years
[12:25:13] <roycroft> and gets a small percentage of the vote
[12:25:15] <gregcnc> what a nut case
[12:25:19] <jdh> science is not understood by many
[12:25:22] <IchGucksLive> the waste of the past maybe the fuel of the futhure
[12:25:24] <roycroft> he's a scientist
[12:25:40] <roycroft> he runs a "research facility" in southern oregon
[12:25:40] <jdh> see above
[12:25:48] <IchGucksLive> so ont throw it to far
[12:25:54] <roycroft> that notably sends me postcards periodically asking me to send him some of my pee
[12:26:33] <roycroft> sadly, he studied with one of my heroes, the late linus pauling
[12:26:35] <jdh> ben carson and jill stein are dr's
[12:26:43] <IchGucksLive> go to biofuel resuarch and spend your losses
[12:26:44] <roycroft> who was a bit nutty in his own way
[12:26:51] <gregcnc> wow he has a piss collection
[12:26:55] <roycroft> but linus was more of the mad scientist kind of nutty
[12:27:04] <roycroft> in a good way
[12:27:10] <roycroft> art is just nutty
[12:27:39] <roycroft> carson i ignore
[12:27:52] <roycroft> i'm disappointed in dr stein
[12:27:58] <roycroft> she should know better
[12:28:28] <IchGucksLive> the news now count the elction in hours
[12:28:33] <IchGucksLive> so not far from over
[12:29:08] <roycroft> all that will be over tomorrow is the first phase of the election
[12:29:09] <IchGucksLive> pink_vampire: all probing
[12:29:19] <roycroft> trump will lose
[12:29:21] <roycroft> he will sue
[12:29:29] <roycroft> and until the electoral college meets it will be contested
[12:29:31] <pink_vampire> all die
[12:29:32] <IchGucksLive> i think he is gone make it
[12:29:49] <pink_vampire> I've got other graphic card
[12:29:51] <roycroft> even after the inauguration trump will be suing
[12:29:53] <Tom_L> crook or crazy... hard to choose
[12:30:09] <IchGucksLive> pink_vampire: why
[12:30:12] <pink_vampire> the OB one didn't work well
[12:30:16] <roycroft> there's no evidence that clinton is a crook
[12:30:17] <IchGucksLive> never change a running system
[12:30:21] <pink_vampire> i don't know
[12:30:23] <pink_vampire> I know
[12:30:24] <roycroft> she just has very bad policies
[12:30:50] <pink_vampire> i tried to install the nvidea drivers, and it kill the whole system
[12:30:52] <roycroft> we (the american people and the rest of the world) lose no matter who prevails
[12:31:14] <IchGucksLive> allover there is a agreement dont use nvida
[12:31:23] <IchGucksLive> you can get your systme back
[12:31:32] <IchGucksLive> szart without graphic
[12:31:42] <IchGucksLive> and edit xorg.conf
[12:31:49] <IchGucksLive> its in the X11 folder
[12:32:00] <IchGucksLive> use nv as driver
[12:32:18] <IchGucksLive> you can get to this also with the live cd
[12:32:44] <IchGucksLive> a had this on 14.04 where speeding up bleder on gpu
[12:32:49] <IchGucksLive> but it failed
[12:32:57] <IchGucksLive> blender
[12:33:24] <pink_vampire> anyway i got much better card now
[12:33:40] <IchGucksLive> so stat over on 12.04
[12:33:56] <IchGucksLive> you will get the benefit in cam and simulation #
[12:33:57] <pink_vampire> the nvidia 9400-gt with 1gb memory
[12:34:12] <pink_vampire> i have hsmwork for cam
[12:34:36] <IchGucksLive> lots of here in Germany now using eding CNC
[12:35:01] <IchGucksLive> same performence as mesa but cheeper and better to get here in europ
[12:35:53] <IchGucksLive> Frank_20: is this miles from home
[12:36:13] <IchGucksLive> just guessing
[12:37:08] <sync> IchGucksLive: it does not have the same performance
[12:38:10] <pink_vampire> http://www.edingcnc.com/products.php?productid=92
[12:38:17] <Frank_20> this beeing what? lol
[12:38:24] <IchGucksLive> what i read about its pretty up to date
[12:38:25] <pink_vampire> more then 1000$
[12:38:59] <IchGucksLive> 89 euros 6 axis 32 i7O
[12:39:37] <Frank_20> im not reading sry
[12:39:57] <Frank_6> :P
[12:40:13] <IchGucksLive> you are at goodmude today
[12:40:19] <sync> IchGucksLive: so can I write my own fpga bitstream for it, read a shitload of digital encoders and such?
[12:40:48] <Frank_20> i've just connexted
[12:41:08] <IchGucksLive> sync: no there i agree to you
[12:42:29] <jdh> or servos
[12:43:17] <IchGucksLive> jdh: servos are not so poular here on hobbyists
[12:43:31] <IchGucksLive> they use step dir configs on them
[12:47:40] <pcw_home> http://www.edingcnc.com/products.php
[12:58:50] <CaptHindsight> Jymmm: you're not going to get the wood hot enough to burn all the components in the wood smoke..
[12:59:15] <CaptHindsight> Jymmm: so you are better off focusing on better heat extraction and transfer...
[13:00:11] <CaptHindsight> Jymmm: since you are burning indoors where you want the heat but need the smoke outside
[13:01:22] <CaptHindsight> Jymmm: storing the heat is another good idea to improve the efficiency
[13:11:23] <CaptHindsight> it's amazing how much spam is out there when searching for high efficiency heat exchangers, generators, furnaces etc
[13:11:58] <miss0r> Finally completed the turning operation of the new chuck backplate for my 4-jaw. All contact surfaces are ground. material is Cast Iron. http://picpaste.com/chuck_1-4lAw733P.jpg http://picpaste.com/chuck_2-VJPDPDMF.jpg http://picpaste.com/chuck_3-Fwn5AptE.jpg
[13:12:36] <CaptHindsight> mostly snake oil ads for their wonder furnace or DIY with no analysis or test results
[13:12:49] <miss0r> I did get some serious chatter in the thread cutting. And this is the first ever thread I cut on a lathe. I think I messed something with the angels up. It works alright, but it seems one side of the thread has a higher angle than the other. The mind bogles. I thought I did everything by the book
[13:12:55] <gregcnc> Jymmm if you had the space ....https://en.wikipedia.org/wiki/Masonry_heater
[13:18:37] <cradek> miss0r: maybe you did not have proper clearance and the bottom or side of the tool was rubbing. it's easy to have that happen on an internal thread, especially if it's not very big.
[13:18:42] <miss0r> mleh.. If only I read a manual once or twice before just throwing myself into stuff, I would have figured what was wrong :) Gladly the thread works anyway. I don't have another chunk of cast iron laying around
[13:19:03] <cradek> what's the thread?
[13:19:08] <miss0r> cradek: That is true. I looked for that, the clearence was fine.
[13:19:15] <miss0r> The thread is M56x4
[13:19:28] <cradek> ah, bigger than it looked at first
[13:19:42] <cradek> I was guessing an inch
[13:19:47] <miss0r> Yeah. the backplate is 150mm diameter on the largest size
[13:19:58] <cradek> the finish is nice
[13:20:00] <gregcnc> looks good
[13:20:43] <miss0r> cradek: at first the surface finish was shit, due to me not knowing much about machining cast iron. But my homemade grinder attactment for the lathe straightened that right up
[13:20:48] <miss0r> gregcnc: thanks
[13:22:12] <miss0r> cradek: with a grinder on there it is very much easier to hit tight tolerences. the boss on the front of this thing is 125.00mm in diameter. That would have been impossible for me to do with just cutting tools
[13:22:35] <gregcnc> never say impossible
[13:22:49] <miss0r> right... I 'could' get lucky on the way
[13:23:00] <gregcnc> it's definitely hard, but possible
[13:23:23] <sync> hitting 1/100 is not that hard with just regular machining
[13:23:28] <miss0r> true. But either way - the surface I got with this cast iron is realy something...
[13:23:49] <gregcnc> but if you want ground finish...
[13:23:53] <miss0r> sync: I agree. but I simply could not get a good surface with this material. looked realy awfull
[13:24:04] <miss0r> 2 secs, I have a picture of the front before cleaning up
[13:24:57] <miss0r> no. the machine is spinning on that picture, then everything looks nice :)
[13:25:29] <IchGucksLive> im off Gn8
[13:26:02] <miss0r> It would probally require me to have some material specific inserts for this material. and I dont. I don't even know what the inserts I have are designed for :) they usualy just do a nice job in steel
[13:29:24] <MacGalempsy> anyone having fun yet?
[13:31:11] <miss0r> MacGalempsy: define fun? I'm cleaning out a lathe. does that count?
[13:31:34] <MacGalempsy> if you are having a good time, then fun it is
[13:32:29] <miss0r> i'm expecting the endorfins to kick in any moment
[13:46:04] <MacGalempsy> did they kick in yet?
[13:46:26] <MacGalempsy> im printing an ocarina of time :)
[13:48:00] <miss0r> Still waiting. I'm not sure cleaning out cast iron shavings will ever do it for me - sadly
[14:15:44] <kasious> i rub my iron shavings in my eye
[14:20:05] <roycroft> do you then pour vinegar into your eye so that your iris will be dyed a nice dark black?
[14:21:18] <Finadandil> Does anyone know if you can use a command-line argument to reverse toolpath direction when using dxf2gcode? In the GUI, you right-click on the contour and choose "Switch Direction".
[14:43:25] <CaptHindsight> http://i.ebayimg.com/images/g/UloAAOSwi0RXxdip/s-l1600.jpg anyone have a source for accordion boots/seals like the orange ones in this pic?
[14:44:24] <CaptHindsight> bellows seal
[14:46:19] <Tom_shop> http://www.dynatect.com/protective-covers/bellows/brands-constructions/vulcaseal-bellows
[14:46:28] <Tom_L> maybe
[14:48:11] <Tom_shop> http://www.finetec.org/index.php?option=com_content&view=article&id=52&Itemid=68
[14:51:57] <miss0r> yay. After mounting the 4 jaw on the new backplate, I only see 0.002mm runout. I'm satisfied
[14:52:49] <CaptHindsight> http://www.crushproof.com/products/bellows
[15:01:48] <Jymmm> Free? http://crushproof.wpengine.com/build-a-hose/
[15:02:30] <CaptHindsight> free quotes
[15:03:10] <CaptHindsight> Jymmm: ever seen a catalog with accordion hose in various diameters?
[15:03:40] <Jymmm> No, just coiled
[15:05:36] <Jymmm> CaptHindsight: google "duct hose" https://www.google.com/images?q=duct+hose
[15:06:14] <CaptHindsight> oh, no wonder I was using duck hose :)
[15:06:44] <Jymmm> better than hippo hose
[15:07:48] <_methods> don't google hippo hoes
[15:08:14] <CaptHindsight> can't unsee that
[15:09:58] <Jymmm> I'll just leave this right here... https://s-media-cache-ak0.pinimg.com/736x/8e/f2/38/8ef23840e77c26c11e3df21ee0b4e9c4.jpg
[15:11:27] <Jymmm> Now, who's got brass one's big enough to click that link???
[15:13:25] <nubcake> Jymmm: nice
[15:14:01] <Jymmm> and we HAVE A WINNER
[15:14:04] <Jymmm> nubcake: =)
[15:14:13] <nubcake> (=
[15:15:23] <nubcake> so.. what
[15:15:26] <nubcake> is the prize ? :o
[15:16:33] <Jymmm> nubcake: That WAS the prize. IF you want something "more", that can be arranged (NSFW)
[15:16:58] <nubcake> uhm.. mkayy... the hippo makes a nice prize i think :s
[15:17:30] <Jymmm> =)
[15:24:10] <andypugh> What does a * do in Python?
[15:24:20] <andypugh> As in this line “cr.rectangle(0.0, 0.0, *widget.get_size())”
[15:24:21] <cpresser> multiply
[15:24:39] <cpresser> might be a dereference-operator
[15:25:09] <andypugh> Can you dereference in Python?
[15:25:42] <cpresser> andypugh: looks like its this: http://stackoverflow.com/questions/803616/passing-functions-with-arguments-to-another-function-in-python
[15:27:02] <cpresser> arbitrary number of arguments
[15:28:09] <cpresser> andypugh: https://docs.python.org/dev/tutorial/controlflow.html#more-on-defining-functions
[15:28:31] <andypugh> cpresser: Doesn’t really work as that in the example, as that isn’t a function definition.
[15:29:06] <cpresser> true.. then I am out of clues
[15:40:23] <cradek> andypugh: if get_size() returns (1, 2) it substitutes it into the function call like rectangle(0, 0, 1, 2)
[15:41:14] <andypugh> Right, so it passes two parameters rather than a tuple?
[15:41:30] <andypugh> That makes sense, though isn’t very obvious.
[15:41:47] <andypugh> Anyway, I just deleted the line :-)
[15:42:18] <andypugh> Something very odd is going on.
[15:43:30] <cradek> looks like it's called "unpacking": http://www.python-course.eu/passing_arguments.php
[15:43:47] <andypugh> https://imagebin.ca/v/31CQnfLBhIpT
[15:43:57] <andypugh> Looks OK?
[15:44:11] <cradek> ooooh
[15:44:31] <andypugh> Wait, something is screwy
[15:44:52] <andypugh> (and it’s a static image, don’t act impressed)
[15:45:20] <andypugh> (waiting for glade to boot to get the next screen-cap)
[15:45:40] <cradek> those spinboxes (is that the right term?) look hard to use on a touchscreen - I wish you could change them with the wheel, like the other things all work
[15:45:49] <cradek> do you use a mouse?
[15:47:27] <andypugh> No, touchscreen. I have actually disabled the scroll arrows, entry is a pop-up keyboard (with extra features) https://imagebin.ca/v/31CRlIcvQPv6
[15:48:04] <cradek> ah, that seems a lot more usable
[15:49:11] <andypugh> The woerd thing is: https://imagebin.ca/v/31CSTdOWLRTk
[15:49:41] <cradek> omg
[15:50:07] <andypugh> That’s the tab without the image. See how the radio buttons, labels and other buttons are not there in the first image?
[15:50:19] <cradek> yes
[15:50:39] <andypugh> And that has me rather stumped
[15:59:57] <andypugh> cradek: I might have to go back to a gtk.Fixed layout for the tabs, but that means a rather clunky approach of saving the original widget locations in the Fixed on startup in a data structure in the Python handler, and using those original locations to calculate new locations whenever the window changes size. The Table I used here is less precise, but more automatic.
[16:07:55] <nubcake> n8 everyone
[16:30:18] <Deejay> gn8
[17:17:06] <JT-Shop> nice now my bank statement has huge full color ads on it
[17:23:54] <Tom_L> they didn't want you to miss it
[19:09:04] <Frank_20> hi
[19:28:03] <sector_0> can I use this module as an optocoupler to connect from my pc (or whatever controller module i choose) to the stepper drivers?
[19:28:04] <sector_0> http://www.ebay.com/itm/16-Channel-12V-Relay-Shield-Module-wiht-optocoupler-LM2576-Power-supply-Arduino-/401092238068?hash=item5d62f5daf4:g:GGYAAOxyfuZR1Tnf
[19:29:13] <sector_0> oops sorry
[19:29:16] <sector_0> wrong thing
[19:29:19] <sector_0> http://www.ebay.com/itm/8-Channel-Optocoupler-Module-12V-Isolation-Board-High-Level-Trigger-for-PCB-/381752562624?hash=item58e239d3c0:g:-~cAAOSw8w1X7IJo
[19:29:23] <sector_0> that one
[19:31:50] <malcom2073_> 80khz looks fast enough
[19:43:12] <SpeedEvil> sync: no, it's not. For a 1mm gap, it's 0.2Pa
[19:44:14] <SpeedEvil> Jymmm: no commercially sold building windows are vacuum spaced - at all.
[19:44:23] * SpeedEvil has a wierd sleep cycle.
[19:58:32] <BeachBumPete> anyone know how to remove the pad from a pneumatic DA sander?
[20:05:44] <malcom2073_> They're usuallyvelcro eyah?
[20:05:46] <malcom2073_> yeah*
[20:06:30] <BeachBumPete> no not the sanding disk the backing pad..
[20:09:26] <malcom2073_> Oh... don't know that I've ever had to remove that before
[20:10:23] <BeachBumPete> me neither but it finally failed on me after quite some years
[20:28:08] <SpeedEvil> they're often glued on aren't they?
[20:28:26] <SpeedEvil> or fixed to a rigid rubber pad
[20:28:32] <SpeedEvil> which is replaced
[20:35:09] <BeachBumPete> well apparently it just unscrews from the arbor I managed to get it off with a wide thin sheetmetal wrench just now
[20:35:42] <BeachBumPete> now I just need to order another one. This one lasted quite a few years of hard use so I guess I got my money's worth.
[20:37:46] <BeachBumPete> https://www.youtube.com/watch?v=5pKkj_vv0zg you can see what it looks like at about :14 seconds in this video..
[20:49:33] <Tom_L> BeachBumPete you gotta lift the rubber skirt a bit to get to it but it unscrews
[20:49:51] <BeachBumPete> yup already got it off thanks...
[20:50:19] <Tom_L> i've got a couple different ones
[20:50:28] <Tom_L> 6" & 8"
[20:52:05] <Tom_L> gettin things set up in the shop?
[20:52:09] <BeachBumPete> mine is a 6"
[20:52:27] <BeachBumPete> yeah actually
[20:53:00] <Tom_L> you can get those pads with hook & loop or glue on
[20:53:18] <BeachBumPete> I know but I much prefer the PSA disks
[20:53:19] <Tom_L> depending on the type of paper you use
[20:53:44] <Tom_L> i actually got a bunch of free 3m paper
[20:53:54] <BeachBumPete> that sander has sanded MANY cabinet doors and cabinets over the last years
[20:54:06] <BeachBumPete> I use Klingspor
[20:54:07] <Tom_L> my bud made the machine that cuts the disks out and that was given to him for testing
[20:54:16] <BeachBumPete> oh cool
[20:54:37] <BeachBumPete> looks like I can get a new pad for under 20 bucks
[20:54:37] <Tom_L> they made large presses etc for industry for things like that
[20:54:59] <Tom_L> made the old press that cut the firebird 'bird' everyone remembers...
[20:55:19] <BeachBumPete> I was putting the Z axis motor back on the VMC yesterday only to find that the locking setscrew had vibrated out and was lost
[20:55:31] <BeachBumPete> I picked up another one at ace hardware today
[20:55:48] <BeachBumPete> so now I can stick the Z motor up there and get it plugged back in
[20:55:48] <Tom_L> use some loctite on it
[20:56:06] <Tom_L> if it's a problem
[20:56:13] <BeachBumPete> its one of those laser sliced couplers
[20:56:31] <BeachBumPete> it did not come with loctite on the screws
[20:56:52] <BeachBumPete> but I might put some blue on it or something
[20:57:24] <BeachBumPete> I am just leery of getting any inside the area between the shaft and the bore
[20:57:38] <Tom_L> yeah
[20:59:22] <Tom_L> i don't recall the brand of sander but they've lasted many years as well
[21:00:49] <Tom_L> we used alot of 220, 400 & 600
[21:06:27] <zeeshan> who you guys voting for tomorow
[21:07:34] <dioz> how should i make my batteries so i know they're specifically my batteries?
[21:07:44] <dioz> i was thinking of spraypainting them a bright color
[21:07:48] <dioz> like a neon color
[21:08:07] <dioz> problem is i rock bosch and every now and again guys come with bosch gear as well
[21:08:19] <dioz> and idk how many times i've had someone leave me a dead battery on my charger
[21:08:23] <dioz> and take my completely full battery
[21:08:31] <dioz> usually makes me wanna end some peoples lives
[21:08:44] <dioz> i think masking tape off all the important parts
[21:08:47] <dioz> clean them up real good
[21:08:57] <dioz> then give them a thick covering of some neon paint should do the trick
[21:09:20] <dioz> cause drawing on them with a sharpie hasn't seemed to fix the problem
[21:18:00] <Tom_L> zeeshan, crazy or crook
[21:18:05] <zeeshan> lol
[21:18:17] <zeeshan> only thing good about trump is he's pro guns
[21:18:25] <zeeshan> other than that, i have yet to see anything sensible
[21:18:49] <Tom_L> good there are 3 branches to moderate it i suppose
[21:27:04] <Jymmm> SpeedEvil: those bastards!!!
[21:58:55] <cradek> zeeshan: today he says so, but in his 2000 book he said he supported an assault weapon ban
[21:59:06] <zeeshan> lol
[21:59:19] <zeeshan> well nothing going good for him then
[21:59:33] <zeeshan> i think they're trying to limit gun control in a good way
[21:59:41] <zeeshan> if you have had a felony, you can't just go buy a gun
[21:59:46] <cradek> he has a long public history so you can probably find him taking any position you want
[22:00:14] <zeeshan> guns should be a right for those that are sane.
[22:00:14] <zeeshan> :p
[22:12:54] <SpeedEvil> Gun should only be controlled by linuxcnc
[22:17:34] <samy^> hey all, anyone have suggestions of things to look for when buying a used mini lathe? want to get one to play with small things
[22:21:19] <samy^> (sorry if not entirely relevant...)
[22:24:58] <cradek> samy^: it's kind of hard to say. the low dollar mini lathes can be bad in so many ways
[22:25:12] <samy^> cradek: ahh, would there be anything you would look for?
[22:25:25] <SpeedEvil> samy^: what do you intend to do
[22:25:39] <samy^> speedevil: i'd like to do some small aluminum projects
[22:25:41] <cradek> for little stuff I use a sherline - it's much better than any of the imports that size I've seen
[22:25:50] <SpeedEvil> small aluminium parts shaped artistically are rather easier than hardened steel to a thousandth
[22:26:24] <samy^> cradek: ahh cool, i've used the sherline cnc a long time ago, will check out their lathes
[22:26:31] <cradek> http://linuxcnc.org/showcase/2016-08-24-itty-bitty-screws.html
[22:26:52] <samy^> oh nice!
[22:27:08] <cradek> I retrofitted my own - I trust their basic lathe but I don't know the quality of their cnc retrofit
[22:27:13] <cradek> mine was bought as a manual
[22:27:39] <cradek> another photo at http://timeguy.com/cradek/01432612268
[22:28:03] <samy^> nice
[22:36:55] <cradek> for a while I know their cnc lathe couldn't cut threads because it had no spindle encoder - I don't know if they've fixed that yet.
[22:38:33] <Jymmm> Coffee can forge https://www.youtube.com/watch?v=xv9nnEhgfuY
[22:40:04] <Jymmm> cradek: Hi! Nice job on the screws, I hate you (cause you have a spiffy scope and I don't ;)
[22:43:46] <cradek> Jymmm: yeah I just held my phone up to the eyepiece
[22:43:57] <cradek> if you get the alignment just right it takes an ok picture
[22:45:06] <cradek> it's something like 3x-20x continuously adjustable stereo
[22:45:57] <cradek> it was only a few hundred dollars and I'd be lost without it
[23:00:34] <Jymmm> cradek: Cool, yeah, I'd love to get my hands on one, I do keep a lookout when I hit yard sales and such.
[23:03:08] <eeriegeek> look for local university surplus auctions
[23:07:49] <Jymmm> used to use ne kinda like this, loved it http://img.directindustry.com/images_di/photo-g/5580-7576767.jpg
[23:08:07] <Jymmm> had longer arms though