Re: [Emc-users] 3rd axis for plasma table really needed?

2013-03-28 Thread Marius Liebenberg
Gregg You will forever regret building a plasma machine without a proper Z axis and Torch Height Control (THC). That was the action of the torch touching and then retreat to cut that you saw. Without the Z axis you will cut some hobby stuff, maybe. To do a proper job of it, the Z axis and THC i

[Emc-users] Machine Resolution

2013-03-28 Thread Clint Washburn
Can someone point me to where I can find how to change the machine units resolution in axis? As the default for inch is 0. I would like to go out to 0.0. What would I need to change to change the displayed resolution? --clint ---

Re: [Emc-users] 3rd axis for plasma table really needed?

2013-03-28 Thread Dave
If you are cutting thinner metal it will warp and the THC is needed for that.. Dave On 3/28/2013 6:40 PM, Gregg Eshelman wrote: > Watched a lot of plasma table action on Youtube last night. All but one had > the torch on a z axis mount which raised up between cuts then went down to > touch the

Re: [Emc-users] Latency problem

2013-03-28 Thread Dave
You won't have any issues with the D525MW and an SSD on that Pico power supply. I have used several and never had a failure yet. Some have 3+ years on them now..running 24x7. Dave On 3/28/2013 2:53 PM, bjørn wrote: > snip > /"I keep mulling over this "5-6 hours" observation. I know we recomme

Re: [Emc-users] general questions

2013-03-28 Thread Jon Elson
Wesley Moore wrote: > I'm trying to answer a couple of general questions that don't seem like an > easy find on the wiki, etc. Yes I know there are many contributing factors > involved on accurate answers, so a rough ballpark is all I'm looking for. > > Without additional hardware: > How many en

Re: [Emc-users] tach feedback

2013-03-28 Thread Jon Elson
> On Thu, Mar 28, 2013 at 11:19 AM, Chris Radek wrote: > > >> >> My VMC uses velocity mode amps with tachs, and I had one tach that >> would sometimes give a "bumpy" output that would cause a banging >> once per screw revolution. >> >> Maxon and Escap motors are made with exactly the same

Re: [Emc-users] tach feedback

2013-03-28 Thread Jon Elson
Stuart Stevenson wrote: > Jon, > Will your amps handle the motors on my Cinci I may get your machines confused, but I think the Cinci has Gettys motors and amps. The motors are 8 pole DC brush, and very low voltage and very high current. My understanding of the Gettys history is they used huge

[Emc-users] Insmod and permisssions

2013-03-28 Thread andy pugh
I am altering my new matrix_kb component to not only compile in sim/userland mode, but to also function. I think I am pretty much there. It uses uinput, which needs to be loaded with modprobe, and then the /dev/uinput file needs its permissions changing. It seems to me that there should be a way of

Re: [Emc-users] convert g1s to g2/3s

2013-03-28 Thread BRIAN GLACKIN
But, as you say, my fundamental issue is losing the curve information when I > convert my CAD models to STL. This will go into the "too hard basket" for > now - the waterline processing sounds interesting, but I'm put off by > having > to process a CAD file. > > Thanks, > Frank > > Frank A few r

[Emc-users] 3rd axis for plasma table really needed?

2013-03-28 Thread Gregg Eshelman
Watched a lot of plasma table action on Youtube last night. All but one had the torch on a z axis mount which raised up between cuts then went down to touch the metal and back up to cutting height before the start of each cut. The one that didn't had a simple hand crank to set the height. Other

Re: [Emc-users] Gigabyte GA-E350N Latency numbers

2013-03-28 Thread Gregg Eshelman
--- On Thu, 3/28/13, Przemek Klosowski wrote: > Nice, but the sad thing is that high-performance video > drivers tend to > hit latency (Nvidia is particularly infamous). If you > succeed making > Radeon drivers to run please re-run the latency tests and > report the results. Quadro VS GeForce. A

Re: [Emc-users] convert g1s to g2/3s

2013-03-28 Thread jeremy youngs
should the look ahead not resolve this ??? -- jeremy youngs -- Own the Future-Intel(R) Level Up Game Demo Contest 2013 Rise to greatness in Intel's independent game demo contest. Compete for recognition, cash, and the

Re: [Emc-users] Latency problem

2013-03-28 Thread Jason Burton
On Mar 28, 2013 2:58 PM, "bjørn" wrote: > > snip > /"I keep mulling over this "5-6 hours" observation. I know we recommend > running the latency test for a long time but I don't think we understand > why these spiking events show up rarely. It's all well and good to blame > power saving features i

Re: [Emc-users] Fwd: Re: tach feedback

2013-03-28 Thread Gene Heskett
On Thursday 28 March 2013 17:58:34 TJoseph Powderly did opine: > On 03/28/2013 09:17 AM, Kent A. Reed wrote: > > On 3/28/2013 9:57 AM, TJoseph Powderly wrote: > >> On 03/28/2013 08:17 AM, Kent A. Reed wrote: > >>> On 3/28/2013 9:04 AM, TJoseph Powderly wrote: > does not appear on mail list ye

Re: [Emc-users] convert g1s to g2/3s

2013-03-28 Thread Frank Tkalcevic
I have an extruder attached to my cnc router. I've never had much luck with G64. The default settings always round off sharp corners. I usually use G64 P0.1, which doesn't make much difference to the speed. I managed to get the Douglas-Peucker algorithm working. It shaved 4 minutes off a 20 m

Re: [Emc-users] general questions

2013-03-28 Thread andy pugh
On 28 March 2013 20:29, Wesley Moore wrote: > Without additional hardware: > How many encoder counts per second can be handled? 20kHz, maybe 50 on a really low latency machine > What is the PWM frequency range available? About the same for PDM. For true PWM divide by the resolution you need.

[Emc-users] general questions

2013-03-28 Thread Wesley Moore
I'm trying to answer a couple of general questions that don't seem like an easy find on the wiki, etc. Yes I know there are many contributing factors involved on accurate answers, so a rough ballpark is all I'm looking for. Without additional hardware: How many encoder counts per second can be

Re: [Emc-users] Latency problem

2013-03-28 Thread bjørn
snip /"I keep mulling over this "5-6 hours" observation. I know we recommend running the latency test for a long time but I don't think we understand why these spiking events show up rarely. It's all well and good to blame power saving features in modern CPUs but they are functioning over much

Re: [Emc-users] tach feedback

2013-03-28 Thread Stuart Stevenson
Heh, I have been getting practice with the soldering iron removing parts BUT that is on a board with no intention of it ever working again. I am just harvesting plugs to use. I would be very afraid to try this on a board with any life left. :) On Thu, Mar 28, 2013 at 11:19 AM, Chris Radek wrote:

Re: [Emc-users] tach feedback

2013-03-28 Thread Chris Radek
On Thu, Mar 28, 2013 at 10:51:12AM -0500, Stuart Stevenson wrote: > I am trying to dumb down the drive so the LinuxCNC tuning is directly > effecting the motor motion instead of manipulating the tuned servo system. My VMC uses velocity mode amps with tachs, and I had one tach that would sometim

Re: [Emc-users] tach feedback

2013-03-28 Thread Stuart Stevenson
Jon, Will your amps handle the motors on my Cinci? thanks Stuart On Thu, Mar 28, 2013 at 11:10 AM, Jon Elson wrote: > Stuart Stevenson wrote: > > I ask this because I want to remove the drive tuning from the system. > > Everyone says the drive/motor servo tuning is the best but if that is the

Re: [Emc-users] tach feedback

2013-03-28 Thread Jon Elson
Stuart Stevenson wrote: > I ask this because I want to remove the drive tuning from the system. > Everyone says the drive/motor servo tuning is the best but if that is the > case why is there tuning capability in LinuxCNC? Obviously, it is not good > enough or no effort would be expended in making

Re: [Emc-users] tach feedback

2013-03-28 Thread Stuart Stevenson
Gentlemen, The ultimate goal is simplification. When I am tuning a servo system I am not tuning the motor as much as I am tuning the already tuned servo/motor system. This piles tuning upon tuning and seems more complicated than it needs to be. I am trying to dumb down the drive so the LinuxCNC

Re: [Emc-users] tach feedback

2013-03-28 Thread dave
On Thu, 2013-03-28 at 07:05 -0500, Stuart Stevenson wrote: > Gentlemen, > > Everyone says the drive/motor servo tuning is the best but if that is > the case why is there tuning capability in LinuxCNC? Obviously, it is > not good enough or no effort would be expended in making it better. > I wil

Re: [Emc-users] tach feedback

2013-03-28 Thread Peter C. Wallace
On Thu, 28 Mar 2013, Stuart Stevenson wrote: > Date: Thu, 28 Mar 2013 07:05:01 -0500 > From: Stuart Stevenson > Reply-To: "Enhanced Machine Controller (EMC)" > > To: dengv...@charter.net, > "Enhanced Machine Controller (EMC)" > Subject: Re: [Emc-users] tach feedback > > Gentlemen, > >

[Emc-users] email replies dont show in my inbox

2013-03-28 Thread TJoseph Powderly
> On 03/28/2013 09:17 AM, Kent A. Reed wrote: >> Aha! You probably just need to adjust your list subscription. I don't >> recall the setting offhand, but the list server lets you choose either >> to get your own messages reflected back to you or not. >> success ( well at least i get a msg saying

Re: [Emc-users] 3PWM on 7i43 MESA board

2013-03-28 Thread TJoseph Powderly
Robert concerning permissions to use the programming hardware, also the web notes say to restart udev, issue "/etc/init.d/boot.udev restart" no, use "sudo service udev restart" hth regards tomp -- Own the Future-

Re: [Emc-users] Fwd: Re: tach feedback

2013-03-28 Thread TJoseph Powderly
On 03/28/2013 09:17 AM, Kent A. Reed wrote: > On 3/28/2013 9:57 AM, TJoseph Powderly wrote: >> On 03/28/2013 08:17 AM, Kent A. Reed wrote: >>> On 3/28/2013 9:04 AM, TJoseph Powderly wrote: does not appear on mail list yet is timestamped as 1st reply to thread, why? Ori

Re: [Emc-users] Fwd: Re: tach feedback

2013-03-28 Thread Kent A. Reed
On 3/28/2013 9:57 AM, TJoseph Powderly wrote: > On 03/28/2013 08:17 AM, Kent A. Reed wrote: >> On 3/28/2013 9:04 AM, TJoseph Powderly wrote: >>> does not appear on mail list yet is timestamped as 1st reply to thread, why? >>> >>> Original Message >>> Subject: Re: [Emc-users] tach

Re: [Emc-users] Fwd: Re: tach feedback

2013-03-28 Thread TJoseph Powderly
On 03/28/2013 08:17 AM, Kent A. Reed wrote: > On 3/28/2013 9:04 AM, TJoseph Powderly wrote: >> does not appear on mail list yet is timestamped as 1st reply to thread, why? >> >> Original Message >> Subject: Re: [Emc-users] tach feedback >> Date: Wed, 27 Mar 2013 22:57:03 -0500 >>

Re: [Emc-users] Gigabyte GA-E350N Latency numbers

2013-03-28 Thread Przemek Klosowski
On Mon, Mar 25, 2013 at 8:45 PM, James Boulton wrote: > I have run the latency test for a Gigabyte GA-350N motherboard. > > On first boot (ran with glxgears and updating 140 add packages through > the system updates): > > Servo thread Max: 11411ns > Base thread Max: 10233ns > > After turning off

Re: [Emc-users] convert g1s to g2/3s

2013-03-28 Thread Kent A. Reed
On 3/28/2013 7:56 AM, BRIAN GLACKIN wrote: > G64 does this for you without changing the code. > > > See > http://www.linuxcnc.org/docs/html/gcode/gcode.html#sec:G64 > > for more details. > On Wed, Mar 27, 2013 at 6:17 PM, Frank Tkalcevic < > fr...@franksworkshop.com.au> wrote: > >> >Does anyone kno

Re: [Emc-users] 3PWM on 7i43 MESA board

2013-03-28 Thread TJoseph Powderly
On 03/28/2013 04:35 AM, Roberto Sassoli wrote: > Il 27/03/2013 23:41, emc-users-requ...@lists.sourceforge.net ha scritto: >> Message: 2 >> Date: Wed, 27 Mar 2013 11:35:24 +0100 >> From: Peter Blodow >> Subject: Re: [Emc-users] 3PWM on 7i43 MESA board >> To: "Enhanced Machine Controller (EMC)" >>

Re: [Emc-users] Fwd: Re: tach feedback

2013-03-28 Thread Kent A. Reed
On 3/28/2013 9:04 AM, TJoseph Powderly wrote: > does not appear on mail list yet is timestamped as 1st reply to thread, why? > > Original Message > Subject: Re: [Emc-users] tach feedback > Date: Wed, 27 Mar 2013 22:57:03 -0500 > From: TJoseph Powderly > To: Enhanced Machine Contro

[Emc-users] Fwd: Re: tach feedback

2013-03-28 Thread TJoseph Powderly
does not appear on mail list yet is timestamped as 1st reply to thread, why? Original Message Subject: Re: [Emc-users] tach feedback Date: Wed, 27 Mar 2013 22:57:03 -0500 From: TJoseph Powderly To: Enhanced Machine Controller (EMC) On 03/27/2013 10:43 PM, Stuart Stevenson wrot

Re: [Emc-users] Latency problem

2013-03-28 Thread Kent A. Reed
On 3/28/2013 5:23 AM, bjørn wrote: > that I bought the power supply together with the D525MW board. here are a > link - > http://www.ebay.com/itm/160721043666?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1438.l2649 > it says 60w but i don't know the quality of it. I will test another one > when i get

Re: [Emc-users] tach feedback

2013-03-28 Thread Stuart Stevenson
Gentlemen, When a control requests a speed from a motor it will send a signal to the drive ex 500 rpm. The drive wants to put out 500 rpm of current to the motor but it cannot because the motor is not turning. The drive knows this because the tach feedback is zero (the motor is not turning). There

Re: [Emc-users] convert g1s to g2/3s

2013-03-28 Thread BRIAN GLACKIN
G64 does this for you without changing the code. See http://www.linuxcnc.org/docs/html/gcode/gcode.html#sec:G64 for more details. On Wed, Mar 27, 2013 at 6:17 PM, Frank Tkalcevic < fr...@franksworkshop.com.au> wrote: > Does anyone know of a script that converts G1 line segments into G2/G3 > cur

Re: [Emc-users] 3PWM on 7i43 MESA board

2013-03-28 Thread andy pugh
On 28 March 2013 09:35, Roberto Sassoli wrote: > i've downloaded the last xilinx program but i don't understand how can > modify the .xml .BIT and .PIN files included in hostmot's firmware linux Those are not the files you need to change. The input files to the Xilinix compiler are the vhdl file

Re: [Emc-users] 3PWM on 7i43 MESA board

2013-03-28 Thread Roberto Sassoli
Il 27/03/2013 23:41, emc-users-requ...@lists.sourceforge.net ha scritto: > Message: 2 > Date: Wed, 27 Mar 2013 11:35:24 +0100 > From: Peter Blodow > Subject: Re: [Emc-users] 3PWM on 7i43 MESA board > To: "Enhanced Machine Controller (EMC)" > > Message-ID:<5152cb6c.3020...@dreki.de> > Content

Re: [Emc-users] Latency problem

2013-03-28 Thread bjørn
Message: 1 Date: Mon, 25 Mar 2013 15:25:31 -0400 From: "Kent A. Reed" Subject: Re: [Emc-users] Latency problem To: "Enhanced Machine Controller (EMC)" Message-ID: <5150a4ab.6050...@gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed On 3/25/2013 9:56 AM, Bj?rn wrote: >> no