[Emc-users] OT: 3D Printer Mods?

2012-08-29 Thread Roland Jollivet
On 27 June 2012 06:56, dave dengv...@charter.net wrote:

 On 06/26/2012 09:37 PM, Jeshua Lacock wrote:
  On Jun 26, 2012, at 9:38 PM, Jack Coats wrote:
 
  Eventually it will be a command like:
 
 Tea, Earl Grey, Hot
 
  and out it will come from the replicator.  ... But not in my lifetime.
 ... Sigh.
  Hi Jack,
 
  At the exponential rate technology is going that might be debatable.
 
  ;)
 
 
  Cheers,
 
  Jeshua Lacock
  Founder/Engineer
  3DTOPO Incorporated
  http://3DTOPO.com
  Phone: 208.462.4171

 OT but good for reflection:
 http://www.quotegarden.com/science.html

 dave



A practical use of 3D printing.

Electric powered 3D printed UAV successful test flight [VIDEO] | Electric
Vehicle 
Newshttp://www.electric-vehiclenews.com/2012/08/electric-powered-3d-printed-uav.html?utm_source=feedburnerutm_medium=emailutm_campaign=Feed%3A+blogspot%2FpEcq+%28Electric+Vehicles%29

Regards
Roland
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Re: [Emc-users] IMTS

2012-08-29 Thread andy pugh
On 29 August 2012 02:25, Gabriel Willen gabewil...@gmail.com wrote:
 Hey everyone, its been a while since i have been on the IRC or checked my
 email for that matter.  I was wondering if anyone will be attending IMTS in
 two weeks?

I have a similar question about: https://www.emfcamp.org/
This weekend.

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Re: [Emc-users] IMTS

2012-08-29 Thread Dave Caroline
On Wed, Aug 29, 2012 at 9:45 AM, andy pugh bodge...@gmail.com wrote:
 On 29 August 2012 02:25, Gabriel Willen gabewil...@gmail.com wrote:
 Hey everyone, its been a while since i have been on the IRC or checked my
 email for that matter.  I was wondering if anyone will be attending IMTS in
 two weeks?

 I have a similar question about: https://www.emfcamp.org/
 This weekend.

Looked interesting till I saw the price!


Dave Caroline

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Re: [Emc-users] moglice, another note

2012-08-29 Thread jeremy youngs
have you seen one before jon?
thats the only photo of one I have seen on the internet and I have
found no service information, I believe it came from the factory as an
edm as the tanks and pumps were integral, but yes it is the ingersol
matson. Also anyone that may have any links to service literature for
this machine, or a lead on matson parts would be great thanx
jeremy youngs

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Re: [Emc-users] moglice, another note

2012-08-29 Thread Kent A. Reed
On 8/29/2012 10:25 AM, jeremy youngs wrote:
 have you seen one before jon?
 thats the only photo of one I have seen on the internet and I have
 found no service information, I believe it came from the factory as an
 edm as the tanks and pumps were integral, but yes it is the ingersol
 matson. Also anyone that may have any links to service literature for
 this machine, or a lead on matson parts would be great thanx
 jeremy youngs


So, have you asked the Morgan Automation folks on whose website you 
found the pix?

Just asking

Regards,
Kent


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Re: [Emc-users] moglice, another note

2012-08-29 Thread jeremy youngs
WOW what a simple idea, youve got me wundrn ifffn imm aa stoopid :) I
will do that in the next few days

On Wed, Aug 29, 2012 at 11:38 AM, Kent A. Reed kentallanr...@gmail.com wrote:
 On 8/29/2012 10:25 AM, jeremy youngs wrote:
 have you seen one before jon?
 thats the only photo of one I have seen on the internet and I have
 found no service information, I believe it came from the factory as an
 edm as the tanks and pumps were integral, but yes it is the ingersol
 matson. Also anyone that may have any links to service literature for
 this machine, or a lead on matson parts would be great thanx
 jeremy youngs


 So, have you asked the Morgan Automation folks on whose website you
 found the pix?

 Just asking

 Regards,
 Kent


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Re: [Emc-users] moglice, another note

2012-08-29 Thread Jon Elson
jeremy youngs wrote:
 have you seen one before jon?
   
No, but it SURE looks like a souped-up Bridgeport knee mill base, and 
nobody would
build it that way for just EDM use.  They do need some beef, as 
sometimes people
need to burn into a large casting, but the kind of beef in that picture 
clearly looks like
a mill.  Maybe search for pictures of an Ingersoll mill and see if the 
base and table
look the same.  I have a feeling this is just an EDM patched onto a 
basic 3-axis
mill.  It could certainly be factory-made that way.

Jon

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Re: [Emc-users] moglice, another note

2012-08-29 Thread jeremy youngs
Im wondering if they just used the base between both as the head on
mine is matson. One thing it is the solidest knee type I have ever
seen nearly broke 2 layers of 3/4 sturdy floor plywood on the hundred
mile journey here. I have worked with some cnc sinkers that were
larger and beefier we were sinking die blocks for 1000 ton forges



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[Emc-users] Plasma cutting table by Italian defunct company CR electronics

2012-08-29 Thread Igor Chudov
I have this CNC plasma cutting table here:

https://lh6.googleusercontent.com/-AxkcI8flh4Y/UD5SJqLph1I/Bq4/onBU0q1ZvuU/s720/20120829_123101.jpg

Supposedly, what is wrong with it is that someone stole a laptop with a USB
key that made this table work.

CR Electronic is an Italian company and they are out of business.

I am wondering, realistically, what is the quickest way to bring this to
life.

Thanks
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Re: [Emc-users] stepper drives

2012-08-29 Thread jeremy youngs
Probably meant for elson or wallace but here it is anybody know where
to source reasnobly priced drives that will go to 150 v? The mathe ive
done suggests i can get 300 ipm at 150 v and calculations show my
motors should handle it may have to cool them but even if i get 200
ill be happy. Thinking about doing a lathe and would just replace the
drive in my mill with what i come up with. I found some chinese
ebayers that have 110 input which rectified will give 169 v which is
19 higher than my best math states i can use h..? But they dont
infact give an output spec ? thats rough maybe i should just got
to servo now and be done. Speaking of which does any one have a link
to servo size calculators? ive found a lot of math on steppers not
much on servos thanx guys its off to work now someones got to support
my machine habit ;)
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[Emc-users] Mesa 7i65 Error

2012-08-29 Thread William Ratcliffe

Hi,

I've tried posting the message below onto emc-users but for some reason 
it has not appeared. Are new posters vetted in the first instance? Or 
does the attachment cause a problem?


Regards
Will

---

We are planning on using a HAL based system as a general machine 
controller to replace a PLC+HMI. We have a Mesa Electronics 7i65 board 
to provide analog in/out functions.


I'm using both the latest linuxcnc-master  hostmot2-firmwarefrom git 
repo; I've compiled the firmware 2X7i65 using the Xilinx Webpack 9.2 ISE 
which completed without error.


The firmware works OK for gpio using the following hal configuration;


loadrt hostmot2 debug_idrom=1 debug_module_descriptors=1 
debug_pin_descriptors=1 debug_modules=1
loadrt hm2_pci config=firmware=hm2/5i20/2X7I65_72.BIT num_encoders=0 
num_pwmgens=0 num_stepgens=0 num_bspis=1


# loadrt mesa_7i65 bspi_chans=hm2_5i20.0.bspi.0

loadrt threads name1=test period1=1000

addf hm2_5i20.0.read  test
addf hm2_5i20.0.write test
addf hm2_5i20.0.pet_watchdog  test

start


When I uncomment the loadrt mesa_7i65 I have the following error in dmesg



[39776.467704] RTAPI: Task 1[eadbc800]: Fault with vec=14, signo=11 
ip=fc939017.

[39776.467708] RTAPI: This fault may not be recoverable without rebooting.

I've attached the full output of dmesg from starting hal.

Neither the gpio or the 7i65 respond to hal commands after this.

Does anyone have any suggestions? Perhaps I should post this to the 
developers list as I'm using as yet unreleased component?


Will

--


[39776.205811] I-pipe: Domain RTAI registered.
[39776.205819] RTAI[hal]: 3.8.1 mounted over IPIPE-NOTHREADS 2.6-03.
[39776.205822] RTAI[hal]: compiled with gcc version 4.4.3 (Ubuntu 
4.4.3-4ubuntu5) .
[39776.205860] RTAI[hal]: mounted (IPIPE-NOTHREADS, IMMEDIATE (INTERNAL IRQs 
DISPATCHED), ISOL_CPUS_MASK: 0).
[39776.205863] PIPELINE layers:
[39776.205866] fc58fe20 9ac15d93 RTAI 200
[39776.205870] c085cb20 0 Linux 100
[39776.227055] RTAI[malloc]: global heap size = 2097152 bytes, BSD.
[39776.227231] RTAI[sched]: IMMEDIATE, MP, USER/KERNEL SPACE: with RTAI OWN 
KTASKs, kstacks pool size = 524288 bytes.
[39776.227238] RTAI[sched]: hard timer type/freq = APIC/12459631(Hz); default 
timing: periodic; linear timed lists.
[39776.227242] RTAI[sched]: Linux timer freq = 250 (Hz), TimeBase freq = 
1794143000 hz.
[39776.227245] RTAI[sched]: timer setup = 999 ns, resched latency = 2944 ns.
[39776.227330] RTAI[usi]: enabled.
[39776.266644] RTAI[math]: loaded.
[39776.295610] hm2: loading Mesa HostMot2 driver version 0.15
[39776.298789] hm2_pci: loading Mesa AnyIO HostMot2 driver version 0.7
[39776.298825] hm2_pci: discovered 5i20 at :03:02.0
[39776.298924]  hm2_5i20.0: firmware: requesting hm2/5i20/2X7I65_72.BIT
[39776.434042] hm2/hm2_5i20.0: IDRom:
[39776.434048] hm2/hm2_5i20.0: IDRom Type: 0x0003
[39776.434051] hm2/hm2_5i20.0: Offset to Modules: 0x0040
[39776.434054] hm2/hm2_5i20.0: Offset to Pin Description: 0x01C0
[39776.434057] hm2/hm2_5i20.0: Board Name: MESA5I20
[39776.434060] hm2/hm2_5i20.0: FPGA Size: 200
[39776.434063] hm2/hm2_5i20.0: FPGA Pins: 208
[39776.434065] hm2/hm2_5i20.0: Port Width: 24
[39776.434068] hm2/hm2_5i20.0: IO Ports: 3
[39776.434071] hm2/hm2_5i20.0: IO Width: 72
[39776.434074] hm2/hm2_5i20.0: Clock Low:  Hz (3 KHz, 33 MHz)
[39776.434078] hm2/hm2_5i20.0: Clock High: 1 Hz (10 KHz, 100 
MHz)
[39776.434081] hm2/hm2_5i20.0: Instance Stride 0: 0x0004
[39776.434084] hm2/hm2_5i20.0: Instance Stride 1: 0x0040
[39776.434087] hm2/hm2_5i20.0: Register Stride 0: 0x0100
[39776.434089] hm2/hm2_5i20.0: Register Stride 1: 0x0100
[39776.434169] hm2/hm2_5i20.0: 72 HM2 Pin Descriptors:
[39776.434172] hm2/hm2_5i20.0: pin 0:
[39776.434175] hm2/hm2_5i20.0: Primary Tag: 0x03 (IOPort)
[39776.434179] hm2/hm2_5i20.0: Secondary Tag: 0x0C (Muxed Encoder)
[39776.434181] hm2/hm2_5i20.0: Secondary Unit: 0x00
[39776.434185] hm2/hm2_5i20.0: Secondary Pin: 0x01 (Muxed A, Input)
[39776.434188] hm2/hm2_5i20.0: pin 1:
[39776.434191] hm2/hm2_5i20.0: Primary Tag: 0x03 (IOPort)
[39776.434194] hm2/hm2_5i20.0: Secondary Tag: 0x0C (Muxed Encoder)
[39776.434196] hm2/hm2_5i20.0: Secondary Unit: 0x00
[39776.434199] hm2/hm2_5i20.0: Secondary Pin: 0x02 (Muxed B, Input)
[39776.434202] hm2/hm2_5i20.0: pin 2:
[39776.434205] hm2/hm2_5i20.0: Primary Tag: 0x03 (IOPort)
[39776.434208] hm2/hm2_5i20.0: Secondary Tag: 0x0C (Muxed Encoder)
[39776.434211] hm2/hm2_5i20.0: Secondary Unit: 0x00
[39776.434214] hm2/hm2_5i20.0: Secondary Pin: 0x03 (Muxed Index, Input)
[39776.434217] hm2/hm2_5i20.0: pin 3:
[39776.434219] hm2/hm2_5i20.0: Primary Tag: 0x03 (IOPort)
[39776.434222] hm2/hm2_5i20.0: Secondary Tag: 0x0C (Muxed Encoder)
[39776.434225] hm2/hm2_5i20.0: Secondary Unit: 0x01

Re: [Emc-users] Plasma cutting table by Italian defunct company CR electronics

2012-08-29 Thread Peter Blodow
Igor,
you certainly checked this before, but anyway: there is an italian 
company by the name of CR electronic. They are developing vehicle 
electronics and specialize on repairing control systems. They still seem 
to be in business. See

http://www.crelectronic.it/

Peter



Igor Chudov schrieb:
 I have this CNC plasma cutting table here:

 https://lh6.googleusercontent.com/-AxkcI8flh4Y/UD5SJqLph1I/Bq4/onBU0q1ZvuU/s720/20120829_123101.jpg

 Supposedly, what is wrong with it is that someone stole a laptop with a USB
 key that made this table work.

 CR Electronic is an Italian company and they are out of business.

 I am wondering, realistically, what is the quickest way to bring this to
 life.

 Thanks
 --
 Live Security Virtual Conference
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Re: [Emc-users] Plasma cutting table by Italian defunct company CR electronics

2012-08-29 Thread Igor Chudov
I think that it is a different company, no?

On Wed, Aug 29, 2012 at 1:01 PM, Peter Blodow p.blo...@dreki.de wrote:

 Igor,
 you certainly checked this before, but anyway: there is an italian
 company by the name of CR electronic. They are developing vehicle
 electronics and specialize on repairing control systems. They still seem
 to be in business. See

 http://www.crelectronic.it/

 Peter



 Igor Chudov schrieb:
  I have this CNC plasma cutting table here:
 
 
 https://lh6.googleusercontent.com/-AxkcI8flh4Y/UD5SJqLph1I/Bq4/onBU0q1ZvuU/s720/20120829_123101.jpg
 
  Supposedly, what is wrong with it is that someone stole a laptop with a
 USB
  key that made this table work.
 
  CR Electronic is an Italian company and they are out of business.
 
  I am wondering, realistically, what is the quickest way to bring this to
  life.
 
  Thanks
 
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Re: [Emc-users] Mesa 7i65 Error

2012-08-29 Thread andy pugh
On 29 August 2012 19:00, William Ratcliffe w...@manusolve.co.uk wrote:

 loadrt hm2_pci config=firmware=hm2/5i20/2X7I65_72.BIT num_encoders=0
 num_pwmgens=0 num_stepgens=0 num_bspis=1

If this bit works it seems fair to assume that the firmware is OK.

 [39776.467704] RTAPI: Task 1[eadbc800]: Fault with vec=14, signo=11
 ip=fc939017.
 [39776.467708] RTAPI: This fault may not be recoverable without rebooting.
 

Did you compile LinuxCNC? I assume so, as you mention the git repo. If
it isn't too much trouble, could you follow the instructions in
docs/rtfaults? That will at least narrow it down to a file and a
program line.

I wrote the driver, but don't have hardware to test with.

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If you can't fix it, you don't own it.
http://www.ifixit.com/Manifesto

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[Emc-users] Supporting RepRap G-Code Flavor?

2012-08-29 Thread Charles Steinkuehler
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

I'm hooking LinuxCNC up to my 3D printer, and while some of the
various slicing programs will support Mach/LinuxCNC G-Code
generation, I would like to craft a configuration that works just like
the typical Arduino-based controllers for these printers.

The biggest issue seems to be the E (extruder) axis (which IIRC
LinuxCNC wants to call A).  Even worse, for multiple extruders, the E
parameter can be followed by multiple values (as set by M160):

http://reprap.org/wiki/G-code#M160:_Number_of_mixed_materials

...any hope of setting up an 'E' axis in LinuxCNC and/or supporting
multiple values following the E in a G0/G1 move?

Also, anyone else using LinuxCNC to control their RepRap or other 3D
printer?  Care to share your configuration setup?

- -- 
Charles Steinkuehler
char...@steinkuehler.net
-BEGIN PGP SIGNATURE-
Version: GnuPG v1.4.11 (MingW32)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/

iEYEARECAAYFAlA+bCcACgkQLywbqEHdNFw2zgCgsHCi9mNKIbHO7QlSGmmA+lrq
uOoAnimYcJUB7Zp2tX8w469+yx4ylfb1
=TtAX
-END PGP SIGNATURE-

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Re: [Emc-users] Mesa 7i65 Error

2012-08-29 Thread William Ratcliffe
Its no trouble at all! Thanks for the help.

Heres the result of the debugging

---

[82214.134382] RTAPI: Task 1[f19c1800]: Fault with vec=14, signo=11 
ip=fddf4017.
[82214.134386] RTAPI: This fault may not be recoverable without rebooting.

user@emc-test:~/linuxcnc/configs/hm2-servo$ cat /proc/modules | grep -i fdd
threads 2096 0 - Live 0xfddfb000
mesa_7i65 4613 0 - Live 0xfddf4000
hm2_pci 9812 0 - Live 0xfddec000
hostmot2 116496 2 mesa_7i65,hm2_pci, Live 0xfdd98000

user@emc-test:~/linuxcnc/configs/hm2-servo$ printf 0x%x\n 
$((0xfddf4017-0xfddf4000))
0x17

user@emc-test:~/linuxcnc/configs/hm2-servo$ addr2line -e 
/home/user/linuxcnc-dev/src/mesa_7i65.o 0x17
/usr/src/linux-headers-2.6.32-122-rtai/hal/drivers/mesa_7i65.comp:59

   *CPLD_write = 0xA00 // write command
59:   | (enable_out(7) != 0)  7 | (enable_out(6) != 0)  6
   | (enable_out(5) != 0)  5 | (enable_out(4) != 0)  4
   | (enable_out(3) != 0)  3 | (enable_out(2) != 0)  2
   | (enable_out(1) != 0)  1 | (enable_out(0) != 0);

On 29/08/2012 19:54, andy pugh wrote:
 On 29 August 2012 19:00, William Ratcliffe w...@manusolve.co.uk wrote:

 loadrt hm2_pci config=firmware=hm2/5i20/2X7I65_72.BIT num_encoders=0
 num_pwmgens=0 num_stepgens=0 num_bspis=1
 If this bit works it seems fair to assume that the firmware is OK.

 [39776.467704] RTAPI: Task 1[eadbc800]: Fault with vec=14, signo=11
 ip=fc939017.
 [39776.467708] RTAPI: This fault may not be recoverable without rebooting.
 
 Did you compile LinuxCNC? I assume so, as you mention the git repo. If
 it isn't too much trouble, could you follow the instructions in
 docs/rtfaults? That will at least narrow it down to a file and a
 program line.

 I wrote the driver, but don't have hardware to test with.



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Re: [Emc-users] stepper drives

2012-08-29 Thread Gabriel Willen
There are a few 150v volt drives out there or drives that run on 110v.
Leadshine, motionking, are two I come up with off the top of my head.  I
would be leery though for those I have seen, seem to be drives with  switch
mode power supply built in and are rather bulky.  Make sure that the output
voltage is what you are requiring.  I made a 150v drive using a bridge
rectifier filtered through some capacitors and into some logic level n
channel mosfets I'm using a atmega 328 to drive high and low side mosfet
drivers.  It's still very much beta but its looking very promising.  Also
parker makes a E-AC stepper drive $450.00 each although one can find them
on eBay rather cheap.

Gabe
On Aug 29, 2012 12:59 PM, jeremy youngs jcyoung...@gmail.com wrote:

 Probably meant for elson or wallace but here it is anybody know where
 to source reasnobly priced drives that will go to 150 v? The mathe ive
 done suggests i can get 300 ipm at 150 v and calculations show my
 motors should handle it may have to cool them but even if i get 200
 ill be happy. Thinking about doing a lathe and would just replace the
 drive in my mill with what i come up with. I found some chinese
 ebayers that have 110 input which rectified will give 169 v which is
 19 higher than my best math states i can use h..? But they dont
 infact give an output spec ? thats rough maybe i should just got
 to servo now and be done. Speaking of which does any one have a link
 to servo size calculators? ive found a lot of math on steppers not
 much on servos thanx guys its off to work now someones got to support
 my machine habit ;)
 --
 jeremy youngs


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Re: [Emc-users] Mesa 7i65 Error

2012-08-29 Thread Sebastian Kuzminsky
Ooh, addr2line!

/me makes a note


On Aug 29, 2012, at 13:35 , William Ratcliffe wrote:

 Its no trouble at all! Thanks for the help.
 
 Heres the result of the debugging
 
 ---
 
 [82214.134382] RTAPI: Task 1[f19c1800]: Fault with vec=14, signo=11 
 ip=fddf4017.
 [82214.134386] RTAPI: This fault may not be recoverable without rebooting.
 
 user@emc-test:~/linuxcnc/configs/hm2-servo$ cat /proc/modules | grep -i fdd
 threads 2096 0 - Live 0xfddfb000
 mesa_7i65 4613 0 - Live 0xfddf4000
 hm2_pci 9812 0 - Live 0xfddec000
 hostmot2 116496 2 mesa_7i65,hm2_pci, Live 0xfdd98000
 
 user@emc-test:~/linuxcnc/configs/hm2-servo$ printf 0x%x\n 
 $((0xfddf4017-0xfddf4000))
 0x17
 
 user@emc-test:~/linuxcnc/configs/hm2-servo$ addr2line -e 
 /home/user/linuxcnc-dev/src/mesa_7i65.o 0x17
 /usr/src/linux-headers-2.6.32-122-rtai/hal/drivers/mesa_7i65.comp:59
 
   *CPLD_write = 0xA00 // write command
 59:   | (enable_out(7) != 0)  7 | (enable_out(6) != 0)  6
   | (enable_out(5) != 0)  5 | (enable_out(4) != 0)  4
   | (enable_out(3) != 0)  3 | (enable_out(2) != 0)  2
   | (enable_out(1) != 0)  1 | (enable_out(0) != 0);
 
 On 29/08/2012 19:54, andy pugh wrote:
 On 29 August 2012 19:00, William Ratcliffe w...@manusolve.co.uk wrote:
 
 loadrt hm2_pci config=firmware=hm2/5i20/2X7I65_72.BIT num_encoders=0
 num_pwmgens=0 num_stepgens=0 num_bspis=1
 If this bit works it seems fair to assume that the firmware is OK.
 
 [39776.467704] RTAPI: Task 1[eadbc800]: Fault with vec=14, signo=11
 ip=fc939017.
 [39776.467708] RTAPI: This fault may not be recoverable without rebooting.
 
 Did you compile LinuxCNC? I assume so, as you mention the git repo. If
 it isn't too much trouble, could you follow the instructions in
 docs/rtfaults? That will at least narrow it down to a file and a
 program line.
 
 I wrote the driver, but don't have hardware to test with.
 
 
 
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Re: [Emc-users] Plasma cutting table by Italian defunct company CR electronics

2012-08-29 Thread Igor Chudov
I got it to move itself about in manual mode:

http://www.youtube.com/watch?v=rlSJB5rh4NE

On Wed, Aug 29, 2012 at 12:34 PM, Igor Chudov ichu...@gmail.com wrote:

 I have this CNC plasma cutting table here:


 https://lh6.googleusercontent.com/-AxkcI8flh4Y/UD5SJqLph1I/Bq4/onBU0q1ZvuU/s720/20120829_123101.jpg

 Supposedly, what is wrong with it is that someone stole a laptop with a
 USB key that made this table work.

 CR Electronic is an Italian company and they are out of business.

 I am wondering, realistically, what is the quickest way to bring this to
 life.

 Thanks

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Re: [Emc-users] stepper drives

2012-08-29 Thread Todd Zuercher
I recently got some Teknic SST-3100-UCX drives off e-bay pretty cheep (we paid 
about $150 each). They can run off 110ac or 220ac (or even DC what ever).  This 
particular modle is out of production, but they have an equivalent replacement.

- Original Message -
Probably meant for elson or wallace but here it is anybody know where
to source reasnobly priced drives that will go to 150 v? The mathe ive
done suggests i can get 300 ipm at 150 v and calculations show my
motors should handle it may have to cool them but even if i get 200
ill be happy. Thinking about doing a lathe and would just replace the
drive in my mill with what i come up with. I found some chinese
ebayers that have 110 input which rectified will give 169 v which is
19 higher than my best math states i can use h..? But they dont
infact give an output spec ? thats rough maybe i should just got
to servo now and be done. Speaking of which does any one have a link
to servo size calculators? ive found a lot of math on steppers not
much on servos thanx guys its off to work now someones got to support
my machine habit ;)
-- 
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Re: [Emc-users] stepper drives

2012-08-29 Thread andy pugh
On 29 August 2012 18:55, jeremy youngs jcyoung...@gmail.com wrote:
 Probably meant for elson or wallace but here it is anybody know where
 to source reasnobly priced drives that will go to 150 v?

http://www.zappautomation.co.uk/2m2280n-high-voltage-stepper-driver-p-3.html?cPath=9_3_132

Any good?

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Re: [Emc-users] Mesa 7i65 Error

2012-08-29 Thread andy pugh
On 29 August 2012 20:35, William Ratcliffe w...@manusolve.co.uk wrote:

 Heres the result of the debugging

*CPLD_write = 0xA00 // write command
 59:   | (enable_out(7) != 0)  7 | (enable_out(6) != 0)  6
| (enable_out(5) != 0)  5 | (enable_out(4) != 0)  4
| (enable_out(3) != 0)  3 | (enable_out(2) != 0)  2
| (enable_out(1) != 0)  1 | (enable_out(0) != 0);

It looks like *CPLD_write is an initialised pointer, and that is bad.

I am trying to comp the mesa_7i65 file to see if the c-code
initialises the pointers.
Curiously I am being told that a realtime component must include at
least one function. Which is not meant to be the case any more.


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Re: [Emc-users] Mesa 7i65 Error

2012-08-29 Thread andy pugh
On 29 August 2012 22:49, andy pugh bodge...@gmail.com wrote:

 It looks like *CPLD_write is an initialised pointer, and that is bad.

 I am trying to comp the mesa_7i65 file to see if the c-code
 initialises the pointers.
 Curiously I am being told that a realtime component must include at
 least one function. Which is not meant to be the case any more.

Well, that last problem was not running the rip-environment script first.
As for the segfault problem, I am a bit stumped, as the struct is
malloc-ed in the generated C and it worked for Cliff (who actually
wrote most of the .comp file)

Also, there is a surprising lack of info in the dmesg considering that
it has supposedly got as far as the read function.

Does it still crash without the start in the HAL?


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Re: [Emc-users] G-code remaping

2012-08-29 Thread Stuart Stevenson
Wouldn't it be better to modify the post to output the code exactly as you
want it?
On Aug 28, 2012 8:45 AM, andy pugh bodge...@gmail.com wrote:

 On 28 August 2012 02:30, Todd Zuercher zuerc...@embarqmail.com wrote:

  Just curious what does the tran in tran.pos- mean anyway?

 Translation

 Sort-of explained in the comments of

 http://git.linuxcnc.org/gitweb?p=linuxcnc.git;a=blob;f=src/libnml/posemath/posemath.h;h=3e0d4e8b5185575e39164962c081e11513eb82a5;hb=3c7d40b9060967a48a57a3da9ca758053790bae2

 xyz are stored in a PmCartesian (Pose Maths Cartesian) structure that
 allows various cever geometric manipulations to be performed. I am not
 at all sure that any of them are ever used, and I am equally not sure
 why UVW are not in a PM_CARTESIAN tran, nor why ABC are not in the
 PM_QUATERNION rot;

 --
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 If you can't fix it, you don't own it.
 http://www.ifixit.com/Manifesto


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[Emc-users] Machine Tuning, Configuring Rigid Tapping, and Automatic Spindle Speed Control

2012-08-29 Thread Matthew Herd
I've gotten my Bridgeport BOSS 5 mill running fairly well.  I'm using the Pico 
Systems USC board and LinuxCNC 2.4.6.

First off, I observed that the default acceleration values in the Pico-Systems 
sample configs were too high for reliable operation of the axes on the BOSS.  
Particularly, the Z would stall randomly.  I suspect it has something to do 
with the microstepping on the Gecko 203V's, along with the high inertia and 
detent torque of the old NEMA 42 motors. First I dialed the rapid speeds, then 
the acceleration values way down and have had reliable behavior. I haven't 
touched the PID terms and have had no issues there once I got the Input Scale  
Output Scale values set the same.  Once I get the acceleration parameters tuned 
a bit better, I think I can turn the max velocity up to closer to factory 
values (120 IPM).  Can anyone suggest a method for optimizing the acceleration 
values?

Second, I have mounted my spindle encoder (512 CPR quadrature w/ index), wired 
it up, and copied the appropriate lines from the threading example config (from 
USC_motion.hal).  I wanted to confirm that the 'scale' parameter in the line 
setp ppmc.0.encoder.03.scale 6912 should be the counts per revolution, or in 
my case, 512 (or is it 4x512?).  I'm looking for a way to confirm that the 
encoder is responding properly.  I'd like to find a way to test the rigid 
tapping functions prior to actual use.

Third, a series of questions relating to spindle speed control.  By way of 
background, I have solid state relay control of the solenoids which operate the 
vari-speed drive air motor and the Pico Systems DAC board for adjusting VFD 
frequency.  I plan on writing a component which will turn on the spindle, 
adjust the vari-speed drive as required, and trim with the VFD.  

At this point, I'm not sure I understand what I'll be getting for 
ppmc.0.encoder.03.velocity as I have not defined user units for the USC's 4th 
encoder channel because it doesn't correspond to a machine joint.

I'm also wondering how I might be able to determine the direction of rotation 
of the spindle.  Is the velocity pin negative when rotating counter clockwise 
and positive when rotating clockwise?  I'd like to use this to determine 
whether the backgear is or is not engaged.

Not that I've read through my hal files thoroughly on this issue, but I'm 
wondering if it would be feasible to make sure that motor rotation direction is 
automatically corrected for backgear engagement (to ensure that M3 rotates the 
spindle clockwise regardless of whether the head is in backgear or high range). 
 I can see an instance where I forget to switch from/to backgear and break a 
cutter.  If I can read spindle direction, then I can programmatically command a 
reverse in motor direction and prompt for a change to backgear if required (in 
theory).  I suspect that none of this automatic speed setting  direction 
correction would work for the manual spindle start buttons in AXIS (at least 
not with a lot of reworking), but I can live with that.

I think that's it for the moment ... Thank you in advance for your help!
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Re: [Emc-users] G-code remaping

2012-08-29 Thread Todd Zuercher
Sure that would be a good way, but the cam program our company uses doesn't 
allow end user modifications of the posts (Enroute).  Stupid propitiatory 
compiled code for the posts is way beyond my hacking ability, and I am not 
going pay the ridiculous fee they want to write one for me.  

- Original Message -
Wouldn't it be better to modify the post to output the code exactly as you
want it?
On Aug 28, 2012 8:45 AM, andy pugh bodge...@gmail.com wrote:

 On 28 August 2012 02:30, Todd Zuercher zuerc...@embarqmail.com wrote:

  Just curious what does the tran in tran.pos- mean anyway?

 Translation

 Sort-of explained in the comments of

 http://git.linuxcnc.org/gitweb?p=linuxcnc.git;a=blob;f=src/libnml/posemath/posemath.h;h=3e0d4e8b5185575e39164962c081e11513eb82a5;hb=3c7d40b9060967a48a57a3da9ca758053790bae2

 xyz are stored in a PmCartesian (Pose Maths Cartesian) structure that
 allows various cever geometric manipulations to be performed. I am not
 at all sure that any of them are ever used, and I am equally not sure
 why UVW are not in a PM_CARTESIAN tran, nor why ABC are not in the
 PM_QUATERNION rot;

 --
 atp
 If you can't fix it, you don't own it.
 http://www.ifixit.com/Manifesto


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Re: [Emc-users] home chemistry, was: General question about gibs

2012-08-29 Thread dave
On Sun, 2012-08-26 at 16:43 -0400, Gene Heskett wrote:
 On Sunday 26 August 2012 16:43:11 Przemek Klosowski did opine:
 
  On Sun, Aug 26, 2012 at 8:25 AM, Mark Wendt wendt.m...@gmail.com wrote:
   I want somma that Hexanitrohexaazaisowurtzitane stuff...
   
   ROFL!  I'd only accept it in the correct containment system.  ;-)
  
  I think trying to contain it just makes it worse; a mili-mole of one
  of the compounds he described destroyed the stainless steel dewar it
  was in. The best containment system is a 100-meter rope that goes
  between you and the thing :)
  
 Cheap rope at that... :)
 
 Cheers, Gene
Hey, good way to do detonators, separate the precursors in two glass
vials which break on impact. ;-)

In one of the WWII sub stories the guys rigged Molotov cocktails with a
container of fuming nitric and a vial of sodium which broke on impact. 
Affixed this to a glass bottle with diesel/av-gas. Pretty much
guaranteed to wreak havoc when it was tossed. 

I read the comments on your wife; not good just take care of her as much
as you can. :-) Not all things are fixable. 

Dave





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Re: [Emc-users] Plasma cutting table by Italian defunct company CR electronics

2012-08-29 Thread Jon Elson
Igor Chudov wrote:
 I have this CNC plasma cutting table here:

 https://lh6.googleusercontent.com/-AxkcI8flh4Y/UD5SJqLph1I/Bq4/onBU0q1ZvuU/s720/20120829_123101.jpg

 Supposedly, what is wrong with it is that someone stole a laptop with a USB
 key that made this table work.

 CR Electronic is an Italian company and they are out of business.

 I am wondering, realistically, what is the quickest way to bring this to
 life.

   
Plasma cutting is not rocket science.  X, Y and torch on/off.  Maybe 
torch height control,
but many older machines did not have it.  What motors and drives does it 
have?
If those can be isolated, it might be easier to do a LinuxCNC retrofit 
than try to
obtain a copy of the software and license key.

Jon

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Re: [Emc-users] Machine Tuning, Configuring Rigid Tapping, and Automatic Spindle Speed Control

2012-08-29 Thread Jon Elson
Matthew Herd wrote:
 I've gotten my Bridgeport BOSS 5 mill running fairly well.  I'm using the 
 Pico Systems USC board and LinuxCNC 2.4.6.

 First off, I observed that the default acceleration values in the 
 Pico-Systems sample configs were too high for reliable operation of the axes 
 on the BOSS.  Particularly, the Z would stall randomly.  I suspect it has 
 something to do with the microstepping on the Gecko 203V's, along with the 
 high inertia and detent torque of the old NEMA 42 motors. First I dialed the 
 rapid speeds, then the acceleration values way down and have had reliable 
 behavior. I haven't touched the PID terms and have had no issues there once I 
 got the Input Scale  Output Scale values set the same.  Once I get the 
 acceleration parameters tuned a bit better, I think I can turn the max 
 velocity up to closer to factory values (120 IPM).  Can anyone suggest a 
 method for optimizing the acceleration values?

   
With an open-loop system, there is no measurement available other than 
your ears or a dial
indicator.  As long as it doesn't lose steps, you are OK.  When first 
starting to machine
actual work, watch out for missed steps.
 Second, I have mounted my spindle encoder (512 CPR quadrature w/ index), 
 wired it up, and copied the appropriate lines from the threading example 
 config (from USC_motion.hal).  I wanted to confirm that the 'scale' parameter 
 in the line setp ppmc.0.encoder.03.scale 6912 should be the counts per 
 revolution, or in my case, 512 (or is it 4x512?).
It should be 2048.  Use halmeter to read ppmc.0.encoder.03.position, 
turn the
spindle exactly one turn and see if the value changes by 1.000 +/- a 
small amount.
It should count up or down one integer value per turn if scale is correct.

For final sanity check, make it run a tapping cycle in air with a tap in the
spindle, and put your fingernail lightly in the grooves of the tap.  If 
the whole
operation works right, your nail won't move up or down.  You may also be
able to see this with a light shining behind the tap.
   I'm looking for a way to confirm that the encoder is responding properly.  
 I'd like to find a way to test the rigid tapping functions prior to actual 
 use.

 Third, a series of questions relating to spindle speed control.  By way of 
 background, I have solid state relay control of the solenoids which operate 
 the vari-speed drive air motor and the Pico Systems DAC board for adjusting 
 VFD frequency.  I plan on writing a component which will turn on the spindle, 
 adjust the vari-speed drive as required, and trim with the VFD.  
   
This is using one variable (the S word) to adjust two things.  It is 
possible, but with the varispeed, there's
no need to change motor speed.  Precise spindle speed is rarely 
important, +/- 100 RPM won't make
much difference except at the lowest speeds.  There are some things on 
the wiki about closed-loop
speed control components.
 At this point, I'm not sure I understand what I'll be getting for 
 ppmc.0.encoder.03.velocity as I have not defined user units for the USC's 4th 
 encoder channel because it doesn't correspond to a machine joint.
   
Yes, the encoder.xx.scale sets that.  if the scale is set to 2048 for a 
512 count/rev encoder, then
velocity will read 1.0 at 60 RPM (one rev/second).
 I'm also wondering how I might be able to determine the direction of rotation 
 of the spindle.  Is the velocity pin negative when rotating counter clockwise 
 and positive when rotating clockwise?  I'd like to use this to determine 
 whether the backgear is or is not engaged.
   
Depending on the way you wire the encoder A and B, it will be signed.  
If the sign is wrong, you
can switch the A and B wires or make the encoder.03.scale a negative value.
 Not that I've read through my hal files thoroughly on this issue, but I'm 
 wondering if it would be feasible to make sure that motor rotation direction 
 is automatically corrected for backgear engagement (to ensure that M3 rotates 
 the spindle clockwise regardless of whether the head is in backgear or high 
 range).  I can see an instance where I forget to switch from/to backgear and 
 break a cutter.
Been there, almost done that.  I think the best way is to put a 
microswitch on the high/low range
lever, but you could do what you say.

Jon

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