#linuxcnc | Logs for 2014-11-03

Back
[00:01:08] <Computer_Barf1> hey connor
[00:01:59] <Connor> Computer_Barf1: Yea
[00:02:16] <zeeshan> connor
[00:02:20] <zeeshan> do you use a contactor to kill your power supplies
[00:02:24] <zeeshan> or a relay
[00:02:43] <Connor> Relay for the Stepper PSU (AC Side) SSR for the Spindle (AC)
[00:02:55] <zeeshan> so when you pres e-stop
[00:02:59] <zeeshan> it kills the power for stepper psu
[00:03:01] <zeeshan> and spindle?
[00:03:03] <Connor> yes
[00:03:07] <zeeshan> do you not lose home?
[00:03:09] <Connor> or will... I'm re-doing everything.
[00:03:16] <zeeshan> by doing that
[00:03:39] <Connor> Yes, You would. But, your suppose to re-home anytime you use e-stop.
[00:03:50] <zeeshan> not that i've seen in industrial machines
[00:03:59] <zeeshan> e-stop is getting abused all the time there
[00:03:59] <zeeshan> lol
[00:04:00] <Connor> or, at least, that's my understanding.
[00:04:15] <Connor> Yes. E-Stop ISN'T a ON/Off or Pause switch.
[00:04:21] <Connor> It's EMERGENCY STOP
[00:04:26] <zeeshan> i know that
[00:04:32] <zeeshan> just telling you how it worked in industrial machines
[00:04:36] <zeeshan> at least the couple ive sued
[00:04:40] <zeeshan> *used
[00:04:51] <zeeshan> i have a problem on my lathe system
[00:04:57] <Connor> Yea. and it's bad teaching / usage or whatever..
[00:04:59] <zeeshan> e-stop kills charge pump which disables the drives
[00:05:07] <zeeshan> but doesn't kill the power supply..
[00:05:16] <Computer_Barf1> http://i.imgur.com/MuKvFIn.png
[00:05:27] <zeeshan> at the same time, an e-stop command is sent over modbus to vfd
[00:05:30] <Computer_Barf1> http://i.imgur.com/fRahEDv.png
[00:05:31] <zeeshan> to put it in "fault mode"
[00:05:47] <zeeshan> see a fault?
[00:05:54] <zeeshan> if the computer freezes up which it has
[00:05:56] <Computer_Barf1> im looking at this guys spreadsheet for what he got for his g0704
[00:05:59] <zeeshan> the modbus command never reaches the vfd!
[00:06:05] <zeeshan> so the spindle keeps turning lol
[00:06:25] <zeeshan> so the way i got around it
[00:06:25] <Connor> Yea, That's not good. You need a way to kill the VFD.
[00:06:26] <Computer_Barf1> but It appears this isn't the "bare essentials" list
[00:06:29] <zeeshan> was enabling the watchdog in the vfd
[00:06:37] <zeeshan> if communication is lost
[00:06:37] <Connor> Computer_Barf1: No, It's not.
[00:06:42] <zeeshan> watch dog puts vfd in fault mode
[00:07:13] <zeeshan> i couldnt kill the 5v supplies
[00:07:18] <zeeshan> cause our drives are retarded
[00:07:23] <zeeshan> and need 5v to disable em
[00:07:39] <Connor> zeeshan: Yea, that's why I'm now killing the AC side of the stepper PSU
[00:07:50] <zeeshan> ah
[00:08:03] <Computer_Barf1> Connor: is that hoss dvd essential? I mean, I'm considering buying a premade kit of the aluminum parts.
[00:08:24] <Connor> Computer_Barf1: No. If your going to buy a conversion kit from someone, it's not.
[00:08:38] <Connor> It's setup so that you can do your own conversion using the machine.
[00:08:54] <Computer_Barf1> so its basically covering how to machine those parts
[00:09:09] <Computer_Barf1> cool
[00:09:13] <Connor> However, be advised, if you do use Ballscrews, you ARE going to need to get the saddle milled out for the ballnut.
[00:09:36] <Connor> Yes, it has the plans for the stepper mounts, ball nut mounts etc etc.
[00:10:09] <Computer_Barf1> yes Ive seeen videos of people doing that. some seem to mill it, some seem to use a drill press, some a grinder
[00:10:39] <Connor> Yea. I'm opting to take it over to a friends house (PeteFromTN) and have him do it on his machine.
[00:10:59] <Computer_Barf1> yes that sounds ideal
[00:11:00] <Connor> along with a bunch of other stuff.. My machine is currently phase 1.. I.E. Using stock screws, not ball screws.. but I have them.
[00:11:22] <Computer_Barf1> Yes im considering just going with stock screws at first.
[00:11:28] <Connor> Along with the stock to increase the Y travel to 9.5"
[00:12:00] <Connor> Once I get mine converted.. I'll have the Z-Top Hat that I won't need anymore.
[00:12:28] <Connor> Happy to donate it once I'm converted as I won't need it.
[00:12:36] <Computer_Barf1> i watched a series of videos where someone was installing a kit, ballscrews and all, but i was wondering if its needed to remove the table if you are sticking with original scews for the time being
[00:12:49] <Connor> No.
[00:13:05] <Connor> You don't need to break down anything on the mill except for taking off the handles
[00:13:25] <Computer_Barf1> do you know what the backlash is with the original acme screws?
[00:13:44] <Connor> .004 to .007
[00:13:48] <Connor> depending on the Axis.
[00:14:25] <Computer_Barf1> yeah that isn't that bad for simple stuff. I'm sure you could do backlash correction too.
[00:14:34] <Connor> Yes.
[00:14:38] <Connor> in software.
[00:14:53] <zeeshan> connor
[00:14:57] <Connor> But, Mine is getting worse due to wear and stuff.. which is why I'm changing out to Ballscrews.
[00:15:10] <zeeshan> can you imagine a scenario where ithe watchdogt on the vfd isn't good enough?
[00:15:11] <Connor> dubble nutted ballscrews.
[00:15:55] <Connor> Watchdog on the VFD? As in.. it stops getting a heart beat signal from the LinuxCNC ?
[00:16:05] <Computer_Barf1> ok i asked this before here but im having trouble grasping it. With linux cnc, the computer is the controller, but i didn't think to ask if there is some sort of breakout beyond the parallel port.
[00:16:05] <Connor> it has it's own Watchdog ?
[00:16:12] <zeeshan> yea vfd has its own watchdog
[00:16:19] <zeeshan> but it monitors rs485
[00:16:24] <zeeshan> if it gets no response
[00:16:28] <zeeshan> it goes into fault mode
[00:16:44] <Connor> zeeshan: Wouldn't thing of anything.. if computer locks up, or goes dead.. rs485 dies..
[00:16:52] <Computer_Barf1> or does the wires from the parallel literally go to the drivers
[00:17:09] <Connor> Computer_Barf1: There is a Break Out Board.. Referred to as a BOB.
[00:17:14] <zeeshan> okay
[00:17:20] <Connor> It's Opto Isolated so that you can't kill the parport.
[00:17:35] <Computer_Barf1> ok yes that makes alot more sense.
[00:17:54] <Computer_Barf1> i assume it probably uses transistors to jump the voltages up on the signals?
[00:18:06] <Connor> No. TTL Signles.
[00:18:14] <Connor> I.E 5v
[00:18:43] <Connor> the drivers are either supplied with 5v and the parport pins switch to ground.
[00:18:47] <Computer_Barf1> and the 5v lines to to the drivers as step/dir?
[00:18:56] <Connor> yes.
[00:19:11] <Computer_Barf1> ok thanks that clears up alot.
[00:19:15] <Connor> Depending on the driver, they can be either source or sync. (+5v or gnd)
[00:19:24] <Connor> I'm switching to MESA
[00:19:41] <Connor> Which is a FPGA Card, and a breakout.. Offloads the Step/Dir generation from the CPU..
[00:19:49] <Connor> and providing way more I/O
[00:20:31] <Computer_Barf1> do laptops have parports anymore? ive not used one in forever
[00:20:58] <Connor> You don't want to use a laptop for a LinuxCNC controller.
[00:21:07] <Connor> Use a Atom based Desktop or something.
[00:21:20] <Computer_Barf1> how about a beaglebone?
[00:21:25] <Connor> laptops have power management and all kinds of stuff that mess up the real time kernels.
[00:21:47] <Connor> Their is Machinekit version of LunixCNC for BBB, but, I know nothing about it.
[00:22:39] <Computer_Barf1> http://linuxcnc.org/hardy/lucid/index.php/russian/forum/27-driver-boards/26424-mesa-5i20--7i44-7i73
[00:22:41] <Computer_Barf1> this looks nice
[00:22:46] <Connor> I try to advise people, at least for their first LinuxCNC build.. to keep it simple, and main stream.. so, standard Desktop PC, with Pport, or Mesa setup
[00:23:19] <Connor> That is a nice control pannel
[00:23:21] <Computer_Barf1> does a mesa not hook up with a Pport?
[00:23:29] <Connor> Yes / No
[00:23:37] <Connor> MESA 5i25 Can ACT as a pport..
[00:23:47] <Connor> with use with specific BOB's
[00:24:01] <Connor> but.. in reality, it is it's own thing..
[00:24:34] <Connor> He also now has a the 7i76E which is a Ethernet Mesa card with the 7i76 breakout board integrated..
[00:24:50] <Connor> So, no PCI or PCI-E Card needed.. just a Ethernet port on your machine.
[00:25:01] <Connor> I went with the 5i25 + 7i76 kit.
[00:26:40] <Connor> http://store.mesanet.com/index.php?route=product/product&filter_name=7i76E&product_id=290
[00:27:28] <Connor> Supports 5 steppers, + Spindle with Encoder + 2 MPG's + Tons of I/O
[00:27:46] <Connor> same thing as this.. http://store.mesanet.com/index.php?route=product/product&path=83_84&product_id=215
[00:29:04] <Connor> I might had went with the 7i76E If I had thought about it.. but.. already planned on the 5i25+7i76
[00:29:23] <Connor> okay. AFK A while.
[02:21:02] <Deejay> moin
[05:12:48] <mk0> 2.6.4 is out. is it the same http://www.linuxcnc.org/binary.hybrid.iso ?
[05:15:02] <archivist> I would just run the update process of the OS rather than remake the iso
[05:15:04] <jthornton> yes
[05:16:57] <mk0> archivist, this is for new installation, new PC.
[05:17:12] <mk0> jthornton, thanks
[05:18:52] <jthornton> as archivist said you will need to update after install
[05:20:57] <mk0> ah )
[05:35:28] <Loetmichel> hmm... is brass SO much weaker than tinned steel? in steel i have broken a whole bunch of mill bits... in brass the same thickness i can do feed about double and still its not waring at all... -http://www.cyrom.org/palbum/main.php?g2_itemId=15353
[05:36:25] <archivist> brass grabs
[05:36:35] <Loetmichel> ?
[05:36:56] <archivist> and due to the copper is far easier to cut
[05:37:38] <Loetmichel> i thinkt whats costing me the bits is the wweak CNC 604 machine
[05:37:41] <Loetmichel> 6040
[05:37:53] <Loetmichel> wich will bend and break off the mill bits in steel
[05:38:48] <archivist> work hardening and built up edge cause problems with steel
[05:43:50] <Loetmichel> shouldnt be a problem for TC bits at all, tho
[05:44:22] <Loetmichel> i really thing the machine is to weak and starts chattering and breaking off the cutting edges, dulling the bit, which in course breaks then
[05:44:27] <Loetmichel> think
[05:50:17] <Hawku> Loetmichel: aluminium frame 6040?
[05:50:19] <SpeedEvil> yeah
[05:50:34] <SpeedEvil> 'weaker' or 'stronger' is generally not the issue if you've got your feeds right
[05:51:34] <Hawku> there is still some limits
[05:51:56] <Hawku> are*
[05:52:26] <Loetmichel> Hawku: yes
[05:53:39] <Hawku> does the bit bounce and chatter againts the steel?
[06:06:47] <Loetmichel> i think so
[06:07:04] <Loetmichel> hard to tell with a 1.2mm 2 flute and 240kRPM
[06:07:12] <Loetmichel> and 24kRPM
[06:07:19] <Loetmichel> and 1200mm/s feed
[06:08:13] <Loetmichel> ahem, for steel i susually take only 600mm/min
[06:08:25] <Loetmichel> not 1200mm/min, thats for aluminium and brass
[06:08:53] <archivist> dry or lubricated
[06:09:02] <Loetmichel> but it sarts to spark after a few meters in steel, so i think it gets dull fast
[06:09:05] <Loetmichel> dry
[06:10:32] <Loetmichel> http://www.cyrom.org/palbum/main.php?g2_itemId=15074
[06:13:43] <Loetmichel> anyway, as my boss said that brass i s ok for that application i have switched to brass... which is really easy to solder anyway, th get the cornders closed
[06:14:11] <Loetmichel> (couldnt he have said that ~20 casings ago?)
[06:16:01] <Loetmichel> the application is these Formater board cases like the one in the prionter there: http://www.cyrom.org/palbum/main.php?g2_itemId=15341&g2_imageViewsIndex=1
[06:22:18] <Hawku> steel can be very springy material, i wouldn't cut it with a machine made of aluminium
[06:23:42] <Hawku> you have springy material againts machine which can bend
[06:25:48] <Loetmichel> Hawku: yes, i know
[06:26:16] <Loetmichel> but the designer of that mod had stated it had to be made of zinced steel
[06:26:22] <Loetmichel> so i did
[06:26:32] <Loetmichel> now boss says "brass is ok"
[06:26:41] <Loetmichel> so i have MUCH less mill bit wear ;-9
[06:28:27] <Loetmichel> ... our desinger is a Dr. sc. EE... and is called "dr. bedenkenheimer" when he doesent listhen by us co0lleagues ;-)
[06:29:01] <Loetmichel> "bedenkenheimer" in german means something like "worrysome guy"
[06:29:49] <PetefromTn_> MOrning folks
[06:30:01] <Loetmichel> he reaches for the best possible shielding, igbnoring the cost of manuifacturing
[06:30:22] <Loetmichel> ... especially the prototypes with inadequate toos ;-9
[06:32:16] <archivist> cnc punch then you dont care what material
[06:32:42] <Loetmichel> archivist: that will be done for the series
[06:32:48] <archivist> or laser cutting
[06:33:27] <Loetmichel> but at the moment we just happen to make prototypes... "and please make three more, , customer wants to test them" ... and so i am at the mill AGAIN
[06:33:43] <Loetmichel> normally 20++ sets would be made externally at the CNC punch company
[07:25:41] <Tom_itx> Loetmichel have your boss buy you a better cnc
[07:25:43] <Tom_itx> :)
[07:26:13] <archivist> fat chance, bosses are tight
[07:27:02] <Tom_itx> especially when they know they can get you to use your own stuff and wear it out for next to nothing
[07:27:28] <Loetmichel> Tom_itx: no chance
[07:27:45] <Loetmichel> i had to argue 3 jears to get the money for the 6040
[07:28:21] <Tom_itx> well how else would he get it done any cheaper?
[07:28:26] <Loetmichel> eventually i got it because i said i will NOT use my home CNC any mor for company related stuff
[07:28:52] <Loetmichel> considering my salary its not cheap at all
[07:28:59] <Loetmichel> its all about time to market
[07:29:07] <Loetmichel> i usually make prototypes on this
[07:29:29] <Loetmichel> or small runs which will not be cost effective outsourced
[11:44:01] <zeeshan> im a happy guy right now..
[11:44:05] <zeeshan> ill be happier once these are tested
[11:45:44] <zeeshan> http://i.imgur.com/m8yGFjn.jpg
[12:20:19] <Connor> zeeshan|2: Are they all the same ?
[12:20:25] <zeeshan|2> eya
[12:20:26] <zeeshan|2> yea
[12:20:34] <zeeshan|2> just different brand name retags
[12:20:36] <Connor> Why 5 ?
[12:20:42] <zeeshan|2> 5 axis
[12:20:54] <Connor> I thought you only had 3 ?
[12:20:56] <zeeshan|2> i do
[12:21:06] <zeeshan|2> but ill put a and c axis on the table
[12:21:20] <zeeshan|2> want to have the electronics done
[12:21:37] <Connor> Brushesless PWM Servo ?
[12:21:47] <zeeshan|2> does both
[12:21:48] <Connor> I hope that doesn't mean they take IN PWM
[12:21:52] <Connor> only
[12:22:07] <zeeshan|2> it can hanble hall sensors
[12:22:08] <zeeshan|2> tachometer
[12:22:11] <zeeshan|2> and encoder
[12:22:21] <Connor> yea. but 0-10V analog ?
[12:22:27] <zeeshan|2> yup
[12:22:30] <Connor> okay.
[12:22:36] <zeeshan|2> thats why i got 7i77
[12:22:41] <zeeshan|2> which outputs 0-10v analog
[12:22:44] <Connor> just making sure.
[12:23:20] <zeeshan|2> im trying to figure out
[12:23:24] <zeeshan|2> how to test these in the next 30 mins
[12:23:26] <zeeshan|2> quickest way
[12:41:31] <zeeshan|2> lol
[12:41:33] <zeeshan|2> i called AMC
[12:41:51] <zeeshan|2> they're so baffled about why their connector is IE60320-C14 which is rated for 10A
[12:41:54] <zeeshan|2> and their bus fuse is 16A
[12:52:55] <cpresser> any ideas on why a python hal-component doesnt become ready even though i call the ready() function?
[12:53:25] <cpresser> thats the code: http://nopaste.info/8e805e6674.html#
[12:54:56] <cpresser> i am loading the module via 'loadusr -W hal_burster9180.py'.
[12:56:51] <cpresser> hmm... it might be related to the filename... found this one: http://nopaste.info/8e805e6674.html
[13:44:39] <Connor> zeeshan|2: Really ?
[13:45:13] <Connor> zeeshan|2: Is it the Euro style ?
[13:45:33] <Connor> found on Computer PSU's ?
[13:48:22] <Connor> zeeshan|2: I think I'm using standard Computer power cord for my spindle.. which is rated at 16 amps, but the connector and the power cord might be 10A.. But, it's 18 Gauge which is rated at 16 amps.. So.. I dunno.
[13:48:45] <Connor> Stupid Chinese crap comes labeled wrong or under spec'd
[13:52:56] <PCW> I can see a fuse being a higher rating than the power cord (its probably there for PCB/fire protection in the event of power transistor or bridge shorts not for long term overloads)
[13:54:31] <PCW> so its high enough to prevent nuisance fuse blows
[13:56:34] <Connor> I'm slightly worried about using a 10amp cord and 10amp connector with my spindle..
[13:56:53] <Connor> Motor is 1305 Watts
[13:57:24] <PCW> spindles are more likely an issue than servo drives since they tend to stay at high loads for long periods of time
[13:58:21] <Connor> My motor is 1305 Watts (1.75HP) I'm using a 1.5HP Motor Controller..
[13:58:48] <PCW> a 1KW servo will like sit around drawing ~50W most of the time
[14:01:39] <Connor> Hmm.. According to the conversion calculator.. at a .8 power factor, 1119Watts (1.5HP) at 120v give me 11.65625
[14:01:43] <Connor> amps
[14:16:01] <cpresser> why does the maj3.component work with bits? wouldnt it be more usefull with float inputs?
[14:16:14] <cpresser> is there something similar for float values?
[14:17:16] <cpresser> anyway, since it uses bits, it should be under point 2.2 in the documentation, not 2.3 http://linuxcnc.org/docs/html/hal/components.html
[14:18:11] <PCW> Not sure what majority would mean for numbers
[14:22:52] <cpresser> i thought its a max(in0, in1, in2) function
[14:30:16] <jdh> I'd call that max()
[14:30:31] <jdh> but, I don't have much imagination
[14:39:41] <PCW> maj3 is a majority vote
[14:40:44] <PCW> you can do it (and maj5) with the lut5 comp
[16:28:22] <Deejay> gn8
[16:46:15] <EW57> PCW, are you there?
[17:54:40] <EW57> are you out there PCW?
[18:33:55] <zeeshan`> ssi you there
[18:34:22] <ssi> yeah
[18:35:25] <zeeshan`> i got the drives
[18:35:31] <zeeshan`> i didnt hoko up any wires except power wire
[18:35:36] <zeeshan`> and fault led is in on
[18:35:46] <zeeshan`> think it might be cause the last person who used em had it in hall mdoe
[18:36:01] <zeeshan`> how to fnid out what causing the fault
[18:36:14] <zeeshan`> i havent tried setting the drive up yet at all
[18:36:20] <ssi> well first of all, they need to be enabled in order to go green
[18:36:26] <zeeshan`> oh
[18:36:33] <zeeshan`> so i gotta short between the 5v supply
[18:36:35] <zeeshan`> and inhibit
[18:36:46] <zeeshan`> in drive 5v supply that is
[18:36:47] <ssi> second, if they're in hall mode then they won't enable unless the hallstates are correct
[18:36:54] <ssi> no, pull inhibit low
[18:37:05] <zeeshan`> i forget is there a ground on the drive
[18:37:12] <zeeshan`> so i short between inhibit and ground
[18:37:18] <ssi> signal ground
[18:37:21] <ssi> it's another pin on the connector
[18:37:23] <zeeshan`> btw, these drives might be floating at 0V.
[18:37:26] <zeeshan`> and expecting 5v
[18:37:30] <zeeshan`> they're inverted
[18:37:43] <ssi> are you holding them upside down?
[18:37:55] <zeeshan`> im not home yet
[18:37:56] <zeeshan`> will be in a bit
[18:38:02] <zeeshan`> http://i.imgur.com/m8yGFjn.jpg\
[18:38:04] <zeeshan`> http://i.imgur.com/m8yGFjn.jpg
[18:38:05] <ssi> don't let all the bits leak out
[18:38:25] <zeeshan`> what bits
[18:38:31] <ssi> the digital bits
[18:38:36] <ssi> if you hold it inverted all the bits will run out
[18:38:40] <ssi> then it'll only be an analog drive
[18:39:12] <zeeshan`> ?? what are the digital bits
[18:39:12] <zeeshan`> ahha
[18:39:33] <ssi> never mind
[18:39:40] <zeeshan`> are you trollingm e
[18:39:47] <ssi> me? never
[18:39:50] <zeeshan`> haha
[18:40:02] <zeeshan`> what are you going to tell me next
[18:40:10] <zeeshan`> "put a scrwe diver ebtween motor phases"
[18:40:10] <zeeshan`> :D
[18:40:17] <ssi> you said they were inverted
[18:40:26] <zeeshan`> i think the inhibit is inverted
[18:40:39] <ssi> ok there's two things going on here
[18:40:39] <zeeshan`> so instead of shorting to ground
[18:40:42] <zeeshan`> you need to provide 5v
[18:40:46] <ssi> one is they're active low inhibits
[18:40:54] <ssi> it says /INH, that means it's active low
[18:41:06] <ssi> so you pull down to activate the pin
[18:41:08] <zeeshan`> i forget, when its active low that means you gotta give it 5v
[18:41:11] <zeeshan`> to bring it to high right
[18:41:12] <ssi> no
[18:41:19] <ssi> means you need to pull it to ground to activate
[18:41:22] <zeeshan`> i always confused the two
[18:41:25] <zeeshan`> okay
[18:41:28] <ssi> second thing is
[18:41:28] <zeeshan`> and when it floats to 5v
[18:41:34] <ssi> by default it's a inhibit pin
[18:41:37] <ssi> but you want it to be an enable pin
[18:41:50] <ssi> it may already be set up as an enable
[18:41:58] <zeeshan`> think you might have a time to go over the settings with me later tonight?
[18:42:04] <ssi> maybe
[18:42:05] <zeeshan`> i was goin through the manual
[18:42:05] <zeeshan`> and it keeps going
[18:42:09] <zeeshan`> "READ THE DATASHEET"
[18:42:11] <zeeshan`> i read the datasheet
[18:42:12] <zeeshan`> no info there
[18:42:13] <zeeshan`> haha
[18:42:19] <ssi> it's really not hard
[18:42:24] <zeeshan`> unless they're asking me to decode it from the block diagram
[18:42:26] <ssi> you got BE25A20AC right?
[18:42:34] <zeeshan`> ACG
[18:42:39] <zeeshan`> i dunno what the G is for
[18:42:43] <ssi> nothin
[18:42:52] <zeeshan`> look at the pic i posted
[18:42:55] <ssi> I saw it
[18:42:59] <zeeshan`> i got 4 rebranded drives
[18:43:06] <zeeshan`> that are apparently reverse inhibit
[18:43:10] <zeeshan`> of what its typically in the drives
[18:43:13] <ssi> good, that's what you want
[18:43:23] <zeeshan`> okay, so when i short
[18:43:28] <zeeshan`> it changes state
[18:43:31] <ssi> yes
[18:43:44] <ssi> and if it's reverse inhibit, that means you pull it down to ENABLE
[18:43:46] <zeeshan`> btw i know those dip switches you were talking about now.
[18:43:50] <zeeshan`> what a piece of crap
[18:43:50] <ssi> by default, it's low to inhibit
[18:43:58] <zeeshan`> what do you have to be a nano bot
[18:44:01] <zeeshan`> to switch them
[18:44:06] <ssi> haha yeah I used smd tweezers to do it
[18:44:13] <ssi> that's what bit me
[18:44:22] <zeeshan`> you were switching em live?
[18:44:25] <ssi> no
[18:44:34] <ssi> but I didn't wait long enough for the dc bus to bleed
[18:44:42] <zeeshan`> when the led goes off
[18:44:43] <zeeshan`> its off right
[18:44:49] <ssi> should be!
[18:44:53] <zeeshan`> =D
[18:45:01] <ssi> stick a fork in it and find out!
[18:45:11] <zeeshan`> haha
[18:45:16] <zeeshan`> so first thing is
[18:45:21] <zeeshan`> setup the dip switches ocrrectly
[18:45:25] <zeeshan`> then second is limit the current
[18:45:41] <zeeshan`> then ensure inhibit pin is grounded
[18:45:48] <zeeshan`> and then turn on drive and it should go green
[18:45:58] <ssi> power up the drive first
[18:46:01] <ssi> then pull inhibit low to enable
[18:46:09] <zeeshan`> but if its in hall mode
[18:46:12] <zeeshan`> it'll still error?
[18:46:14] <ssi> probably
[18:46:22] <zeeshan`> thats why im thinking setup those dip switches
[18:46:38] <zeeshan`> counterclockwise on the gains
[18:46:39] <zeeshan`> = 0?
[18:46:39] <ssi> yeah by "first" I meant before inhibitingc
[18:46:42] <ssi> yeah
[18:46:50] <zeeshan`> okay ill set those to 0 too
[18:47:05] <zeeshan`> i really wanna see this thing jog some motosr!
[18:47:10] <zeeshan`> using a pot
[18:47:23] <zeeshan`> you used the internal 10v suplpy
[18:47:26] <zeeshan`> to test motors?
[18:47:33] <ssi> you can
[18:47:33] <zeeshan`> this keyboard is messed up
[18:48:27] <ssi> lol insurance is going to have to pay for my bitcoin miners :D
[18:48:34] <ssi> I wonder what they'll say about that
[18:48:48] <zeeshan`> !
[18:49:34] <zeeshan`> do you have reciepts
[18:49:38] <zeeshan`> and burned remenants?
[18:49:47] <ssi> yeah
[18:49:51] <zeeshan`> good:D
[18:49:54] <ssi> what sucks is they want to start tearing out the house this week
[18:49:55] <zeeshan`> if they dont you can take em to court
[18:50:01] <zeeshan`> why
[18:50:08] <zeeshan`> what do you mean by tearing out
[18:50:09] <ssi> if they throw crap away and then ins pitches a fit about wanting to see something like that
[18:50:11] <zeeshan`> start recontructing?
[18:50:14] <ssi> they're gutting it
[18:50:20] <ssi> and whatever I don't move is gonna get thrown away
[18:50:27] <zeeshan`> go take pictuers
[18:50:28] <zeeshan`> of every corner
[18:50:30] <zeeshan`> or make a video
[18:50:35] <ssi> oh it's been done
[18:50:40] <ssi> and I've got before pictures of everything too
[18:50:41] <zeeshan`> okay then you have enough proof
[18:50:45] <ssi> and reciepts sorta
[18:50:56] <zeeshan`> most important is linking that you actually owned those things
[18:50:59] <ssi> i have receipts for the chips, $6500 worth
[18:50:59] <zeeshan`> reciepts arent as good
[18:51:02] <zeeshan`> cause you could have sold it
[18:51:11] <zeeshan`> if you have remenants, you can't deny it was there
[18:51:12] <ssi> yeah there's documentation that they're in there
[18:51:20] <zeeshan`> insurance will try to fuck you
[18:51:20] <ssi> dude we found pieces of the laser
[18:51:24] <zeeshan`> for every penny if they can.
[18:51:31] <ssi> the output coupler, the laser tube and the water jacket
[18:51:37] <ssi> the outer gas tube was in shards
[18:52:06] <zeeshan`> ps you wont be getting insurance anytime soon again!
[18:52:06] <zeeshan`> lol
[18:52:10] <zeeshan`> or it'll be too high
[18:52:15] <ssi> meh
[18:52:21] <zeeshan`> who caers as long as you get $$ for this
[18:52:56] <zeeshan`> why are they in such a rush to gut the place/
[18:53:23] <ssi> cause they want to pay me as little as possible in associated living expenses
[18:53:24] <ssi> ie rent
[18:55:04] <jdh> guy I used to dive with a lot burned his house in atl
[18:55:50] <jdh> hmm.. and he has a plane
[18:55:59] <ssi> did we used to dive together? :P
[18:56:17] <zeeshan`> jdh what happened
[18:56:21] <zeeshan`> did he get full money back
[18:56:23] <zeeshan`> or get screwed
[18:56:27] <jdh> don't think so. he has a 172
[18:56:33] <XXCoder> or get 10x more money lol
[18:56:35] <ssi> yeah definitely not me
[18:56:36] <jdh> self-insured
[18:56:39] <ssi> I hate 172s ;)
[18:58:37] <zeeshan`> whats a 172
[18:58:49] <XXCoder> 2 1/2 wheeled car
[18:58:57] <zeeshan`> huh
[18:59:10] <ssi> it's a dumpy, slow airplane that every flight school in the universe uses
[18:59:23] <zeeshan`> ah okay
[18:59:29] <zeeshan`> i thought it was an insurance policy clause
[18:59:30] <zeeshan`> lol
[18:59:30] <ssi> and tons of people pay overinflated prices for them because it's the only thing they've ever known how to fly
[18:59:32] <jdh> actually I think it's a 182, but pretty much teh same?
[18:59:46] <ssi> yea 182 is a 6cyl 172 with more room
[18:59:53] <jdh> RG
[18:59:59] <ssi> and flappy wheels :)
[19:09:58] <Tom_itx> do they even still build them?
[19:10:05] <XXCoder> likely
[19:10:07] <ssi> sure
[19:10:21] <Tom_itx> the plant used to be here but i think they moved it to Independecnce Ks
[19:10:21] <XXCoder> if peoples paying peremium and airplane flying classes keep using em
[19:10:38] <ssi> ooo
[19:10:39] <ssi> http://cessna.txtav.com/en/single-engine/turbo-skylane-jta
[19:10:41] <ssi> turbo skylane
[19:10:54] <ssi> that's the modern 182
[19:10:56] <XXCoder> I'd love to fly a plane but frankly its a hassle
[19:11:04] <Tom_itx> my bud's dad used to restore stearmans
[19:11:08] <jdh> pricey hobby
[19:11:14] <Tom_itx> had the biggest supply in the US for them
[19:11:17] <ssi> nice
[19:11:20] <XXCoder> there'd be interpeters all time and plane would need minium of 2 guys, myself and interpeter to use mike for me
[19:11:32] <Tom_itx> used alot of radial engines from tanks
[19:11:37] <jdh> The 180 hp 172S, referred to by Cessna as the 172-SP, goes for $307,500; the 160 hp 172R sells for $274,900
[19:12:00] <ssi> new plane prices are stupid
[19:12:16] <Tom_itx> i think all they build here now are the citations
[19:12:27] <jdh> that would be a much cooler toy
[19:12:29] <XXCoder> make a plane by cnc
[19:12:29] <ssi> where's here, wichita?
[19:12:32] <Tom_itx> yes
[19:12:40] <jdh> I'm sorry.
[19:12:50] <Tom_itx> i'm not
[19:12:52] <ssi> I want to come through wichita sometime soon and go to the surplus stores
[19:12:54] <ssi> if any still exist
[19:12:58] <Tom_itx> it does
[19:13:08] <Tom_itx> not nearly as cool stuff as years ago though
[19:13:12] <ssi> yeah
[19:13:21] <Tom_itx> they moved alot of it to another warehouse
[19:13:24] <ssi> I want more of the boeing quickchange drillbits
[19:13:27] <Tom_itx> i've not been it that one yet
[19:13:28] <ssi> I love those things
[19:13:45] <Tom_itx> boeing used to have a surplus here too until they pulled out of wichita
[19:14:09] <ssi> I wonder if they'll have surplus in south carolina soon
[19:14:40] <Tom_itx> what surplus are you looking for?
[19:14:47] <ssi> I dunno, whatever I can get
[19:14:53] <ssi> any aviation related tools
[19:14:56] <ssi> and material
[19:14:59] <Tom_itx> yeah
[19:15:15] <ssi> I have a full set of sheetmetal tools, but I'm still always looking for interesting crap
[19:15:17] <Tom_itx> like i said, most of the cool stuff is long gone there now
[19:15:48] <Tom_itx> there's another guy here that has surplus tooling too
[19:15:56] <Tom_itx> near where they had the linuxcnc fest
[19:16:11] <Tom_itx> even he's scrapped alot of it now
[19:16:15] <Tom_itx> sold by the pound
[19:16:23] <ssi> baw
[19:16:46] <Rab> I almost bought an aviation countersink from eBay, they look super sexy. But apparently they're almost universally 100-degree, and my fastener stock is 82-degree.
[19:16:49] <Tom_itx> i still get my small carbide cutters from him
[19:16:56] <ssi> yeah we use 100 degree
[19:17:07] <Tom_itx> he likely has both of those
[19:17:11] <ssi> and I have countersinks in all flavors
[19:17:24] <ssi> and dimpling dies
[19:17:28] <ssi> all sorts of fun stuff :)
[19:18:05] <Tom_itx> he used to have tons of rivets and all sorts of fasteners
[19:18:48] <Tom_itx> since his brother died he's kinda been clearing it out
[20:15:01] <zeeshan|2> ssi
[20:15:05] <zeeshan|2> whered you buy dimple dies from?
[20:31:29] <EW57> are you out there PCW?
[20:35:06] <Rab> zeeshan|2, what are some applications for dimple dies?
[20:35:52] <zeeshan|2> sheet metal reinforcement
[20:35:57] <zeeshan|2> and lightening
[20:36:01] <Rab> Hmm, I guess like this: http://www.crankshaftcoalition.com/wiki/How_to_make_%22speed_holes%22_using_dimple_dies
[20:36:27] <zeeshan|2> yes
[20:36:42] <zeeshan|2> makes the sheet metal stuffer
[20:36:48] <zeeshan|2> similar to how if you rolled a bead in it
[20:36:50] <zeeshan|2> to make it less flimsy
[20:43:13] <Rab> Neat!
[20:45:39] <Rab> Looks like the small dies are fairly cheap. That might be a nice effect in front panels for tube amps etc.
[20:48:19] <zeeshan|2> i can never find em cheap
[20:48:26] <zeeshan|2> for 1" to 3 " holes
[20:48:31] <zeeshan|2> theyre in the hundreds
[20:48:38] <Rab> Yeah, I see that.
[20:48:47] <zeeshan|2> ill prolly make some
[20:48:48] <zeeshan|2> one da y
[20:48:48] <zeeshan|2> :D
[20:49:14] <Rab> eBay has 0.5/0.75/1.0 sets for around $80.
[21:02:28] <XXCoder> So that is how they do it
[21:13:26] <zeeshan|2> ssi u there
[21:13:33] <zeeshan|2> 4 of the drives say enable
[21:13:43] <zeeshan|2> 1 of the drive says inhibit
[21:36:52] <pcw_home> zeeshan|2: I think theres an option for enable or disable inputs on some AMC drives (maybe a solder jumper option inside)
[21:37:03] <zeeshan|2> nm i read it wrong
[21:37:15] <zeeshan|2> based on the part number, its "INV"
[21:37:20] <zeeshan|2> so that means if i ground enable
[21:37:22] <zeeshan|2> it should enable
[21:37:42] <zeeshan|2> im setting up the current limit
[21:37:46] <zeeshan|2> so i dont burn my servos :P
[21:38:04] <pcw_home> that's better tha having to ground to disable
[21:38:13] <zeeshan|2> yea
[21:38:18] <zeeshan|2> much easier to run it through a relay
[21:38:20] <zeeshan|2> to kill the drives
[21:38:25] <zeeshan|2> or in e-stop loop
[21:38:41] <zeeshan|2> it drove me insane on the kl8070d
[21:38:45] <zeeshan|2> to implement drive killing
[21:38:59] <pcw_home> estop shoud remove drive power, ferror should remove drive enable
[21:39:59] <zeeshan|2> do you have a diagram of a "typical wiring" diagram for a 7i77
[21:40:02] <zeeshan|2> for a mill
[21:40:08] <zeeshan|2> including safety circuit
[21:40:37] <pcw_home> well the enable are easy (if gnd for enable)
[21:40:44] <pcw_home> enables
[21:40:47] <zeeshan|2> yes
[21:41:36] <pcw_home> so ENAX- --> GND
[21:41:37] <pcw_home> ENAX+ --> DRIVE ENABLE
[21:42:02] <pcw_home> (for ENA0 through ENA4)
[21:42:05] <zeeshan|2> so if watchdog detects loss of signal
[21:42:12] <zeeshan|2> drives automatically disable
[21:42:34] <pcw_home> Yes or linuxcnc detects a following error
[21:42:38] <zeeshan|2> enax- -> gnd of servo drive?
[21:42:46] <pcw_home> Yes
[21:42:48] <zeeshan|2> okay
[21:42:53] <zeeshan|2> perfect nice and simple! :D
[21:43:20] <pcw_home> whatever they suggest connecting enable to
[21:43:34] <zeeshan|2> yes im lookin g for that right now
[21:43:42] <zeeshan|2> i only see 1 gnd pin in the set of pins where enable is
[21:43:48] <zeeshan|2> just making sur eit is it
[21:44:49] <pcw_home> the ENAX pins are just OPTO coupler outputs so just a switch that off unless enabled by linuxcnc
[21:44:50] <pcw_home> you do need to pay attention to polarity
[21:46:10] <zeeshan|2> im going to do it one step at a time
[21:46:14] <zeeshan|2> first try to figure these drives out
[21:46:16] <zeeshan|2> then interface with mesa
[21:46:23] <zeeshan|2> i dont wanna blow either of em up :0)
[21:46:45] <pcw_home> Yes better to undestand waht the drives do before connecting things up
[21:47:36] <pcw_home> also better to disconnect the motors from the screws for initial testing (if its easy)
[21:47:54] <zeeshan|2> yes theyre all off
[21:48:04] <pcw_home> (a runaway should be expected)
[21:48:16] <zeeshan|2> how fast a run away typically
[21:48:22] <zeeshan|2> 10 rpm?
[21:48:29] <zeeshan|2> or can be very aggressive?
[21:48:45] <pcw_home> full speed is possible and likely
[21:48:49] <zeeshan|2> wow
[21:48:53] <zeeshan|2> scary!
[21:49:19] <pcw_home> (all you need is tachometer or encoder backwards)
[21:49:44] <pcw_home> so you have a 25% chance of no runaway :-(
[21:50:41] <EW57> PCW, are there any plans to support sscnet?
[21:51:02] <zeeshan|2> if motor spec is 12.5A
[21:51:03] <zeeshan|2> er
[21:51:08] <zeeshan|2> 7.5A
[21:51:15] <zeeshan|2> should i current limit to 7.5A
[21:51:18] <zeeshan|2> or 7.0A?
[21:51:24] <zeeshan|2> have a small safety factor?
[21:52:08] <jdh> why not start low until things work well.
[21:52:22] <zeeshan|2> ok
[21:52:53] <pcw_home> is sscnet full documented?
[21:53:23] <EW57> I havent found much, but then again, I've just started searching
[21:54:14] <pcw_home> also be careful with bare motors (a sudden accell can flip them and damage things)
[21:57:36] <renesis> you mean unmounted?
[21:57:44] <renesis> heheh
[21:59:23] <zeeshan|2> http://www.a-m-c.com/download/datasheet/be25a20ac.pdf
[21:59:28] <zeeshan|2> page 2 plz
[21:59:39] <zeeshan|2> p1-11 on my drive says ground
[21:59:52] <zeeshan|2> p1-9 (top left) is 'enable'
[22:00:12] <zeeshan|2> ive never see thsi triangle simple before for ground
[22:00:27] <zeeshan|2> lemme highlight
[22:01:24] <jdh> op amp?
[22:01:43] <zeeshan|2> http://i.imgur.com/JEuvVHe.png
[22:02:04] <jdh> I don't see a triangle there
[22:02:20] <jdh> 5k pullup to 5v
[22:02:30] <zeeshan|2> p1-11
[22:02:32] <zeeshan|2> bottom right
[22:02:36] <zeeshan|2> theres a triangle
[22:07:08] <jdh> oh, I quit looking after the top one. Looks like a floating ground
[22:07:18] <jdh> see lower left corner
[22:07:47] <zeeshan|2> hm
[22:07:51] <jdh> s/floating/signal/
[22:07:53] <jdh> vs. earth
[22:08:44] <zeeshan|2> well this sucks
[22:08:53] <zeeshan|2> i shorted out ground and enable
[22:08:58] <zeeshan|2> still in fault mde
[22:10:04] <jdh> where are you getting the ground?
[22:10:10] <zeeshan|2> #11
[22:10:13] <zeeshan|2> p1-11
[22:11:08] <jdh> same as p1-2 ?
[22:12:51] <zeeshan|2> i didnt try p1-2
[22:13:24] <jdh> you are grounding P1-9?
[22:14:15] <zeeshan|2> yes
[22:14:31] <zeeshan|2> i measured voltge between p1-9 and p1-11
[22:14:35] <zeeshan|2> says 5V
[22:15:00] <jdh> does it enable when you let p1-9 float?
[22:15:13] <zeeshan|2> no
[22:15:32] <jdh> did you read the desciption for pin 9 on page 4?
[22:16:19] <zeeshan|2> yes
[22:16:30] <zeeshan|2> remember that manual is slightly wrong
[22:16:43] <zeeshan|2> these drives have inverted pins.
[22:17:00] <zeeshan|2> so if you ground that pin, itshould enable
[22:17:13] <jdh> this isn't the manual for your drive?
[22:17:24] <zeeshan|2> it is.
[22:17:30] <zeeshan|2> theres a note down there
[22:17:52] <zeeshan|2> that says -inv model drives are work like i said above
[22:19:17] <skunkworks> just signifying 2 different grounds
[22:21:25] <skunkworks> zeeshan|2: if you don't have the switches setup correctly or the commutation of the hal sensors - it won't come out of error
[22:21:47] <skunkworks> (or too high of input votage..)
[22:22:22] <zeeshan|2> thhat was it man
[22:22:28] <zeeshan|2> i had to change 120 deg to 60 deg
[22:22:30] <zeeshan|2> for hall mode
[22:22:39] <zeeshan|2> cause i have no hall sensors
[22:22:41] <zeeshan|2> its enabled now!
[22:22:42] <zeeshan|2> D:
[22:22:45] <skunkworks> ah - great!
[22:22:55] <zeeshan|2> thank u
[22:35:06] <jdh> my amc drives came with a wiring/tuning manual
[22:37:39] <zeeshan|2> im a bit confused on this step
[22:37:42] <zeeshan|2> so after enabling
[22:37:51] <zeeshan|2> it says measure the voltage at the motor pins
[22:38:01] <zeeshan|2> first of all do i meassure them at motor a and motor b?
[22:38:04] <zeeshan|2> and ignore c?
[22:38:16] <zeeshan|2> second thing is when i am in test mode
[22:38:19] <zeeshan|2> and i turn the knob
[22:38:23] <zeeshan|2> it goes from -170 to +170vdc
[22:38:27] <zeeshan|2> all the sudden
[22:38:32] <zeeshan|2> thers no values in between..
[22:38:39] <zeeshan|2> the manual wants me to set it to a low voltage
[22:41:47] <zeeshan|2> ssi!!
[22:41:49] <zeeshan|2> wake up!! :D
[22:43:08] <renesis> figure out your tool holder knuckle?
[22:43:23] <zeeshan|2> kind of
[22:43:38] <renesis> like you figure out what it really is, or whats wrong
[22:43:50] <zeeshan|2> i have a good lead
[22:43:57] <zeeshan|2> on what the tool holder in it should be
[22:44:01] <zeeshan|2> i ordered some pull studs
[22:44:06] * zeeshan|2 crosses fingers
[22:44:15] <zeeshan|2> fkn 100 bux in pull studs
[22:44:17] <zeeshan|2> for 5
[22:44:19] <zeeshan|2> lol
[22:44:32] <renesis> you have holders with the right taper tho?
[22:44:43] <zeeshan|2> i borroed some from school
[22:44:48] <zeeshan|2> we have cat40 there
[22:44:49] <renesis> uhohz
[22:48:22] <zeeshan|2> ok manual says "motor a and b" only
[22:48:24] <zeeshan|2> :p
[23:01:47] <zeeshan|2> ah
[23:01:49] <zeeshan|2> its hjappening
[23:01:51] <zeeshan|2> cause its not in voltage mode.
[23:02:17] <zeeshan|2> according to my drive specs i can only have current, duty cycle, encoder velocity and tachometer velocity mode
[23:02:25] <zeeshan|2> theres no voltag emode :(
[23:02:30] <zeeshan|2> so how do i test this out
[23:02:43] <zeeshan|2> if i try to hook up amotor
[23:02:47] <zeeshan|2> its gonna want to go at full speed!
[23:03:34] <Connor> don't you want it in encoder velocity mode ?
[23:03:41] <zeeshan|2> i have tachometers
[23:04:07] <Connor> okay.. so, tachometer velocity mode then.
[23:04:10] <zeeshan|2> yes
[23:04:15] <zeeshan|2> but righjt now im only trying to test the motors
[23:04:25] <zeeshan|2> to see if they will spin and speed up and slow down
[23:04:32] <zeeshan|2> without hooking up the 7i77
[23:04:55] <Connor> okay.. so you need it in tach velocity mode.. and need to give 0-10v
[23:05:00] <Connor> to the driver.
[23:05:05] <Connor> for speed control.
[23:05:10] <Connor> tach should be wired up to the driver.
[23:06:04] <Connor> and, I would suggest uncoupling the motor from the ballscrew
[23:06:12] <zeeshan|2> theyre off
[23:06:51] <Connor> so, what the issue then ?
[23:07:03] <zeeshan|2> i want to spin the motors
[23:07:06] <zeeshan|2> without hooking tachos
[23:07:07] <zeeshan|2> :{
[23:07:25] <Connor> then it's going to spin the at full speed because it has no feed back.
[23:07:28] <Connor> Duh.. :)
[23:07:32] <zeeshan|2> lol
[23:07:43] <Connor> or fault.
[23:07:45] <zeeshan|2> this thing has a built in -10v 3ma out
[23:07:49] <zeeshan|2> +10v 3ma out
[23:07:52] <zeeshan|2> and signal gnd
[23:07:55] <zeeshan|2> i was thinking of hooking a pot there
[23:08:22] <Connor> signal gnd ?
[23:08:28] <Connor> should be a input..
[23:08:31] <zeeshan|2> http://www.a-m-c.com/download/datasheet/be25a20ac.pdf
[23:08:36] <zeeshan|2> plz see page 4
[23:08:40] <zeeshan|2> pin 1 2 3
[23:09:25] <Connor> I think it's REF IN
[23:09:43] <Connor> and it must be differential...
[23:09:46] <zeeshan|2> cant i put a pot between
[23:10:42] <zeeshan|2> does 7i77 output differential?
[23:10:43] <Connor> pot on pin 1 and 2, whiper on pin 4
[23:11:10] <zeeshan|2> i hope 3mA is enough
[23:11:38] <Connor> why would they supply it if it wasn't ?
[23:11:47] <zeeshan|2> hehe i dunno :)
[23:11:52] <zeeshan|2> i gotta find a pot
[23:11:57] <Connor> 5k
[23:15:21] <zeeshan|2> hm
[23:15:30] <zeeshan|2> when i measure from pot pin 1
[23:15:32] <zeeshan|2> to middle pin
[23:15:33] <Jymmm> zeeshan|2: car stereo
[23:15:36] <zeeshan|2> it goes from 0 to 47k
[23:15:45] <zeeshan|2> Jymmm: i stoll one from a foot pedal :D
[23:15:52] <Jymmm> ok that works
[23:16:18] <Jymmm> sounds like a 50K pot to me
[23:16:26] <Jymmm> linear or audio taper?
[23:17:12] <Jymmm> half-way point should read around 25K if linear taper
[23:17:23] <zeeshan|2> yea its about linear
[23:17:29] <zeeshan|2> 270 degree
[23:19:04] <PetefromTn_andro> Evening folks
[23:19:17] <PetefromTn_andro> Night whatever
[23:20:51] <PetefromTn_andro> So I spent some of the afternoon removing the old air conditioning condenser and wiring from the side of my house
[23:21:27] <zeeshan|2> connor are you sure putting the wiper on one end of a differential input would work? :P
[23:21:32] <PetefromTn_andro> Then tomorrow if the weather is cooperating I plan to get under the house and remove the old air handler
[23:21:55] <zeeshan|2> nm
[23:22:01] <Connor> I'm thinking so.
[23:22:11] <PetefromTn_andro> So I was gonna remove the squirrel cage fan to play with for a shop fan
[23:22:14] <Connor> I hold NO responsibility if you blow stuff up.
[23:22:17] <zeeshan|2> haha
[23:22:33] <zeeshan|2> if the pot is at 100 ohm
[23:22:37] <zeeshan|2> wont it draw too much current
[23:23:04] <PetefromTn_andro> Is there anything else in there inside the condenser or the air handler worth salvaging?
[23:23:23] <Connor> PetefromTn_andro: Contactor ?
[23:23:23] <zeeshan|2> motor and fan
[23:23:24] <zeeshan|2> :D
[23:23:36] <zeeshan|2> i thin theyre 2 hp
[23:23:41] <zeeshan|2> or maybe even more
[23:23:55] <zeeshan|2> connor answer my noob q! :D
[23:23:56] <PetefromTn_andro> I was thinking about that I guess the handler might have some kinda contactor
[23:24:04] <zeeshan|2> when im turning the knob, it goes from 47k to 0
[23:24:06] <Connor> zeeshan|2: I have no idea.
[23:24:11] <zeeshan|2> so hypothetically itll hit 100 ohms
[23:24:19] <Connor> So ?
[23:24:29] <zeeshan|2> 10V/100 = 0.1
[23:24:30] <zeeshan|2> A
[23:24:37] <zeeshan|2> 3mA is max
[23:24:39] <PetefromTn_andro> The new system came with a nice programmable thermostat
[23:25:09] <zeeshan|2> PetefromTn_andro: how come youre replacing the ac
[23:25:11] <Connor> What you have with the pot is a voltage divider.
[23:25:34] <PetefromTn_andro> But I guess I will have to rip the bastards apart to see if there is anything worth having
[23:26:00] <zeeshan|2> <Connor> pot on pin 1 and 2, whiper on pin 4
[23:26:03] <zeeshan|2> pin 2 is ground.
[23:26:06] <zeeshan|2> thats why i got confused
[23:26:13] <zeeshan|2> i think +10v should go to 1 leg of the pot
[23:26:16] <PetefromTn_andro> Got a brand new higher efficiency system
[23:26:22] <zeeshan|2> -10v to the other leg and wiper to +ref in
[23:26:42] <Connor> We're just testing with +10 and gnd for now.
[23:26:56] <zeeshan|2> wont that make it work in one direction only?
[23:27:01] <Connor> correct.
[23:27:06] <Connor> baby steps
[23:27:12] <zeeshan|2> :P
[23:27:18] <PetefromTn_andro> Was hoping that the coil was all copper but alas it's an aluminum piece of Shit. Not worth a damn heh
[23:27:20] <zeeshan|2> i gotta solder some wires to thsi thing
[23:27:42] <Connor> PetefromTn_andro: Sounds fun. :.
[23:27:44] <Connor> :/
[23:28:34] <PetefromTn_andro> Actually I'm quite excited about it. The old system was not worth a Shit looking forward to a nice warm winter in the house
[23:28:57] <Connor> I'll be happier next time I'm over and it's warm. :)
[23:29:08] <PetefromTn_andro> I was playing with the cnc lathe today.
[23:29:42] <PetefromTn_andro> Hell you know I always keep it warm out in the shop
[23:30:03] <Connor> Yea.. I know .. :(
[23:30:11] <PetefromTn_andro> I despise being cold
[23:30:43] <PetefromTn_andro> Oh yeah I forgot about your overheating last time
[23:31:26] <PetefromTn_andro> Maybe you need a new thermostat too LOL
[23:31:44] <Connor> That or a new circulatory system.. or both.
[23:31:53] <PetefromTn_andro> Jeez
[23:31:59] <PetefromTn_andro> That bites
[23:32:25] <Connor> yea. Type 2 sucks.
[23:33:07] <PetefromTn_andro> I am still cleaning and stripping the lathe down
[23:33:32] <Connor> I REALLY need to get this stuff over to your place..
[23:33:44] <PetefromTn_andro> I figured out the x screws is .2", 5mm
[23:33:47] <Connor> Just not been up to it past few weekends.
[23:34:30] <Connor> OKay.. so 5.08mm so, a 5mm pitch on the Z would work.
[23:34:50] <PetefromTn_andro> 5.08?
[23:35:00] <Connor> .200" = 5.08mm
[23:35:15] <PetefromTn_andro> Oh sorry I forgot about that
[23:35:29] <PetefromTn_andro> Had the same thing on the rf45
[23:35:33] <Connor> Not exactly ==
[23:36:16] <PetefromTn_andro> Would you believe the factory x motor was 750 watts basically 1 hp and it was only408
[23:36:34] <Connor> 408 ?
[23:36:35] <PetefromTn_andro> 408 oz in at 2400 rpm
[23:36:41] <Connor> Oh.
[23:36:45] <Connor> Yea.
[23:36:50] <Connor> Not much needed.
[23:37:19] <PetefromTn_andro> That bigass motor I thought was a lot torquier than that
[23:37:43] <PetefromTn_andro> The original belt drive was 1-1
[23:38:00] <Connor> You probably could put nema 34 steppers on that machine. :)
[23:38:06] <PetefromTn_andro> Musta hauled ass I guess
[23:38:23] <PetefromTn_andro> Yeah probably could heh
[23:38:27] <Connor> Being 1:1 is a bit odd for it being a servo..
[23:39:06] <PetefromTn_andro> I think it was just to be able to tuck it up underneath the x body
[23:39:21] <Connor> yea. I'm sure it was.
[23:39:54] <PetefromTn_andro> I swear the tool post mount is freaking massive
[23:40:18] <PetefromTn_andro> The ballnut mounts take 47 mm angular contact bearings
[23:40:52] <Connor> Hmm.
[23:42:05] <PetefromTn_andro> The driven end mount is pretty cool and it has turned bearing mounts that clamp together for preload and the whole assembly gets bolted into a heavy iron mount that itself bolts to the side of the casting
[23:42:45] <PetefromTn_andro> For a machine that is not exactly huge it is overbuilt like crazy
[23:44:03] <Connor> http://www.vxb.com/page/bearings/PROD/Single-Row-Angular-Contact-Bearings/Kit8889?gclid=Cj0KEQiA7NyiBRCOhpuCm9Dq6b4BEiQA9D6qhYtLIX_MLDCNIwOHyRXm75ZxL7fau7_6OCdMrh6DLIcaAjo-8P8HAQ
[23:44:05] <PetefromTn_andro> Been trying to find pictures of the rear of the enclosure on the net so I can figure out how the damn thing goes back together and what pieces may be missing
[23:44:51] <Connor> http://www.vxb.com/page/bearings/PROD/ANGULAR_CONTACT/Kit20640?gclid=Cj0KEQiA7NyiBRCOhpuCm9Dq6b4BEiQA9D6qhXqj2iGA1c-oyIHFQ5SHyMFzCe1-ECLle6gdXzx-bZYaAmfT8P8HAQ
[23:44:55] <PetefromTn_andro> That's close but they are actually 20 mm ID by 14 mm wide
[23:45:02] <Connor> 25mm ID and 20mm ID
[23:45:14] <Connor> You already have the bearings ?
[23:45:57] <PetefromTn_andro> I found the original floating end plain sealed bearings for the z in the box of stuff I got with it
[23:46:00] <Connor> Trying to figure out if you need 25mm or 30mm Z Screw
[23:46:30] <Connor> that 2nd link is for 20x47x14
[23:46:31] <PetefromTn_andro> I'm going with the 32 mm z screw
[23:46:39] <Connor> from LMB ?
[23:46:50] <PetefromTn_andro> Not sure yet
[23:47:29] <Connor> http://www.ebay.com/itm/1-backlash-ballscrew-3205-Ball-Screw-L1000mm-1pc-Single-Ballnut-/251388398602
[23:47:53] <PetefromTn_andro> Can't wait to see this machine make chips
[23:47:55] <zeeshan|2> connor
[23:48:00] <zeeshan|2> when trying to use the pot
[23:48:03] <zeeshan|2> do i need tachometer hooked up
[23:48:13] <zeeshan|2> ]cause its not doing anything by itself
[23:48:15] <Connor> I wonder if he has those in double nut
[23:48:19] <zeeshan|2> still outputting 170vdc
[23:48:30] <Connor> zeeshan|2: I have NO idea.
[23:48:51] <Connor> andy and pcw probably be able to help you more.
[23:48:54] <Connor> or ssi
[23:49:00] <zeeshan|2> damn ssi
[23:49:01] <PetefromTn_andro> Yeah it's going to be around 1600 mm or so and got to be zero backlash double preloaded ballnuts
[23:49:06] <zeeshan|2> i thought hed be here
[23:49:07] <zeeshan|2> :{
[23:49:41] <Connor> 32mm ~ 1.25"
[23:49:43] <Connor> funny.
[23:49:49] <PetefromTn_andro> Yup
[23:49:49] <zeeshan|2> wiw
[23:49:54] <zeeshan|2> he mades 32mm ball screws?
[23:49:56] <zeeshan|2> nice!
[23:50:02] <zeeshan|2> *makes
[23:50:13] <Connor> Yup. He has 3205
[23:50:19] <Connor> 32mm by 5mm pictch
[23:50:27] <zeeshan|2> good to know for future
[23:50:33] <PetefromTn_andro> That would work
[23:50:48] <zeeshan|2> i wonder if he has 1.5
[23:50:54] <PetefromTn_andro> Wonder if they are any good
[23:50:56] <zeeshan|2> thats what the milll uses
[23:51:21] <Connor> Doesn't look like it..
[23:51:27] <zeeshan|2> ;/
[23:51:28] <Connor> I think 3205 is as big as he goes.
[23:51:35] <zeeshan|2> well it was 25 before
[23:51:39] <zeeshan|2> i guess things have changed
[23:51:49] <zeeshan|2> dude
[23:51:51] <zeeshan|2> look at that list
[23:51:55] <zeeshan|2> it goes all the way upto 80mm
[23:51:59] <zeeshan|2> he has 40mm
[23:52:01] <zeeshan|2> thatd work for me
[23:52:19] <Connor> Didn't look at the list.
[23:52:31] <Connor> that doesn't mean he carries them.
[23:52:41] <zeeshan|2> If you want to order other items,please inquire! We can cut any length that you want! Combined order is welcomed.
[23:52:46] <zeeshan|2> he has a lot more that we dont know about
[23:52:50] <zeeshan|2> like thsoe double ball nuts
[23:52:58] <zeeshan|2> youre the one who told me
[23:53:03] <zeeshan|2> they werent on his ebay account
[23:53:10] <Connor> yea.
[23:53:12] <Connor> I know.
[23:53:45] <zeeshan|2> so its pretty safe to say he can get em :P
[23:53:53] <zeeshan|2> for the right amount of $!
[23:55:00] <Connor> Probably.
[23:55:09] <PetefromTn_andro> I can't wait to get this machine moving it is gonna be freaking awesome.
[23:55:49] <Connor> PetefromTn_andro: Yup. Going to be another fun conversion.
[23:56:02] <PetefromTn_andro> Been watching YouTube cnc lathe vids like some kinda demented pron LOL
[23:57:14] <PetefromTn_andro> Art's been helping me work out the best motor options and I am starting to work on the wiring scheme
[23:57:36] <Connor> Cool
[23:58:49] <PetefromTn_andro> It came with some relays and a low voltage transformer so I just need a contactor or two and some terminal blocks
[23:59:08] <Connor> I've got some DIN mounted terminal blocks.
[23:59:12] <Connor> to spare.
[23:59:15] <PetefromTn_andro> And I can start some preliminary wiring
[23:59:46] <PetefromTn_andro> Oh yeah sweet the cabinet has a couple din rail runs inside it