Re: [Emc-users] the state of the Wiki

2012-04-21 Thread Kent A. Reed
On 4/17/2012 11:33 PM, Przemek Klosowski wrote: On Tue, Apr 17, 2012 at 11:18 AM, Kent A. Reedkentallanr...@gmail.com wrote: Speaking of the Wikinudge, nudge, wink, wink, it could use a lot more editorial work. Looking at the Recent Changes listing, I see the usual few suspects making

Re: [Emc-users] Motor controller in a 7x1* lathe, need schematic.

2012-04-22 Thread Kent A. Reed
On 4/21/2012 3:33 PM, gene heskett wrote: [from me] However, the schematics consist of a bunch of gif files which you can select and print individually by the simple expediency of right-clicking each image, opening it in a new tab, and printing. Didn't try that just now, but I did save

Re: [Emc-users] Trajectory planning and other topics from a EMC(LinuxCNC) newbie (TheNewbie)

2012-04-22 Thread Kent A. Reed
On 4/22/2012 11:07 AM, Michael Haberler wrote: gents, you are busily inventing path queueing mechanism number 3. The existing ones are: CRC offset curve aka queued_canon, and NCD aka chained_points. Michael: I'm trying to get up to speed on the issues discussed in this thread. Not being an

Re: [Emc-users] Trajectory planning and other topics from a EMC(LinuxCNC) newbie (TheNewbie)

2012-04-22 Thread Kent A. Reed
On 4/22/2012 3:48 PM, andy pugh wrote: On 22 April 2012 16:07, Michael Haberlermai...@mah.priv.at wrote: gents, you are busily inventing path queueing mechanism number 3. The existing ones are: CRC offset curve aka queued_canon, and NCD aka chained_points. I think CRC is Cutter Radius

Re: [Emc-users] Trajectory planning and other topics from a EMC(LinuxCNC) newbie (TheNewbie)

2012-04-23 Thread Kent A. Reed
On 4/23/2012 2:24 AM, Michael Haberler wrote: let's discuss terminology for a minute (paths vs gcode segments) we have: 1. linear G-code programs (no oword control structures) 2. G-code with arbitrary control structures 3. Some other yet-to-be-invented language for machine control.

Re: [Emc-users] the state of the Wiki

2012-04-27 Thread Kent A. Reed
On 4/18/2012 1:45 PM, Przemek Klosowski wrote: On Tue, Apr 17, 2012 at 11:18 AM, Kent A. Reedkentallanr...@gmail.com wrote: Speaking of the Wikinudge, nudge, wink, wink, it could use a lot more editorial work. Looking at the Recent Changes listing, I see the usual few suspects

Re: [Emc-users] Drive Tuning

2012-04-30 Thread Kent A. Reed
On 4/28/2012 3:34 PM, gene heskett wrote: I tried one of mine, the stacked fender washers rubber dampers on my z yesterday, but its steel core to hold all the fender washers rubber added enough rotary mass I had to cut the accels in half on my Z to stop the stalling, which wasn't exactly

[Emc-users] Electronic damping of stepper mid-band resonance, was Re: Drive Tuning

2012-04-30 Thread Kent A. Reed
Gene brought up mechanically damping mid-band resonance in a stepper. I'm old school and mechanical/inertia dampers are all I know. Folks have posted videos to YouTube that show the efficacy of this approach. However, I've noticed a number of stepper-drive vendors claim to have electronic

Re: [Emc-users] Paths to G-code

2012-05-02 Thread Kent A. Reed
On 5/1/2012 2:00 PM, craig wrote: A number of discussions have addressed software tools to generate G-code mostly as part of another discussion.. 1. Some of us are interested in starting from various mechanical CAD programs and file formats. 2. Some of us are starting from existing graphics

Re: [Emc-users] Electronic damping of stepper mid-band resonance, was Re: Drive Tuning

2012-05-02 Thread Kent A. Reed
On 5/2/2012 11:45 AM, Kirk Wallace wrote: On Wed, 2012-05-02 at 10:19 -0500, Jon Elson wrote: ... snip It just seems to me that when the motor inductance causes the winding current to lag behind the current command from the microstep sine wave, the current control logic will automatically

Re: [Emc-users] the state of the Wiki

2012-05-02 Thread Kent A. Reed
for these, and if not, we could remaster it as a DVD with these tools and their necessary tutorials. Perhaps if a DVD is required, we could include video tutorials to further help out. On 04/27/2012 01:26 PM, Kent A. Reed wrote: Section 2. Hardware Requirements needs work to bring it up to current technology

Re: [Emc-users] hal 'net' command puzzler

2012-05-05 Thread Kent A. Reed
On 5/5/2012 8:46 AM, gene heskett wrote: Does linuxcnc have a utility that can scan a .hal file and draw a flow chart? HalShow would appear to be similar, but demands a fully legal hal file so that linuxcnc can actually load up and run, so would seem to be of no use for troubleshooting a

Re: [Emc-users] hal 'net' command puzzler oops, an addendum

2012-05-05 Thread Kent A. Reed
So I said (5/5/2012 10:05 AM): On 5/4/2012 10:41 PM, gene heskett wrote: Greetings; As I read the hal manuals getting started section, where the keywords loadrt, setp, addf, and net are defined, I didn't understand at first that arg[3], arg[4] arg[5] etc of a net commend can be repeated to

Re: [Emc-users] hal 'net' command puzzler

2012-05-05 Thread Kent A. Reed
On 5/4/2012 10:41 PM, gene heskett wrote: Greetings; As I read the hal manuals getting started section, where the keywords loadrt, setp, addf, and net are defined, I didn't understand at first that arg[3], arg[4] arg[5] etc of a net commend can be repeated to add sending something from

Re: [Emc-users] hal 'net' command puzzler

2012-05-05 Thread Kent A. Reed
On 5/5/2012 2:03 PM, Jeff Epler wrote: Are we talking about this documentation? http://linuxcnc.org/docs/2.5/html/hal/basic_hal.html#_net_a_id_sub_net_a if so, the syntax netsignal-name pin-name opt-direction opt-pin-name doesn't really reflect what net will actually accept.

Re: [Emc-users] Raspberry pi integration?

2012-05-09 Thread Kent A. Reed
On 5/9/2012 9:51 PM, Scott Hasse wrote: I presume many of you have seen the hype on the Raspberry Pi. Am I correct in thinking that getting LinuxCNC to run on one of those would require an arm-specific RTAI and drivers for the device-specific I/O? Has anyone else given any thought to this

Re: [Emc-users] Raspberry pi integration?

2012-05-10 Thread Kent A. Reed
On 5/10/2012 6:25 AM, Bill Hill wrote: On 10 May 2012, at 03:21, Jack Coats wrote: On Wed, May 9, 2012 at 8:51 PM, Scott Hassescott.ha...@gmail.com wrote: I presume many of you have seen the hype on the Raspberry Pi. Am I correct in thinking that getting LinuxCNC to run on one of those

Re: [Emc-users] Raspberry pi integration?

2012-05-10 Thread Kent A. Reed
On 5/10/2012 10:27 AM, dave wrote: On Thu, 10 May 2012 00:43:12 -0400 Kent A. Reedkentallanr...@gmail.com wrote: snip Slightly OT but if one wants a non-intel cpu for motion control take a look at Mesa's SOFTDMC. Implements a configurable accel/decel, jerk limited and very fast servo

Re: [Emc-users] Raspberry pi integration?

2012-05-10 Thread Kent A. Reed
On 5/10/2012 1:50 PM, Eric Keller wrote: We are using Beagleboards for our autonomous robots, that is a really good place for them. Exactly my interest. Microcontroller-based solutions pale in comparison. Regards, Kent

Re: [Emc-users] Raspberry pi integration?

2012-05-11 Thread Kent A. Reed
On 5/10/2012 10:11 PM, Jon Elson wrote: Kent A. Reed wrote: As for the ARM-specific real-time Linux that definitely is required, Jon has been waiting for several years for RT-Linux to be ported satisfactorily to the BeagleBoard. Slight error, it is RTAI that is not yet available on the Beagle

Re: [Emc-users] psu for atom boards

2012-05-13 Thread Kent A. Reed
On 5/13/2012 8:23 PM, andy pugh wrote: On 14 May 2012 00:51, davedengv...@charter.net wrote: http://www.logicsupply.com/categories/power_supplies/dc_converters?gclid=COeJt5m4_q8CFSIHRQodoQGGHA I've been looking at the power supplies in the above link. Does anyone have experience,

Re: [Emc-users] Compiling 2.5 as simulator

2012-05-14 Thread Kent A. Reed
On 5/14/2012 9:49 AM, Chris Radek wrote: On Mon, May 14, 2012 at 02:03:40PM +0200, Robert von Knobloch wrote: Hi, I retrieved from git the 2.5 branch, grabbed all the dependencies and versions etc. and compiled it OK, well no errors reported (opensuse 12.1). It runs fine except there is no

Re: [Emc-users] Debian with LinuxCNC

2012-05-15 Thread Kent A. Reed
On 5/14/2012 4:00 PM, Tux Lab wrote: Is there a more up to date tutorial on how to compile rtai with Debian.It took me a whole weekend to compile a kernel that will boot but when I try the latency test, I get insmod: error inserting '/lib/modules/2.6.32-rtai/rtai/rtai_hal.ko': -1 Invalid

Re: [Emc-users] Debian with LinuxCNC

2012-05-15 Thread Kent A. Reed
On 5/15/2012 2:05 PM, Tux Lab wrote: thanks for the link. I've tried so many different way to compile rtai, ie via debian's repository and downloading from original source that I'm a bit lost right now.However it good to know that at least someone else is running EMC on debian, so it's a

Re: [Emc-users] Debian with LinuxCNC

2012-05-15 Thread Kent A. Reed
On 5/15/2012 4:00 PM, Kent A. Reed wrote: On 5/15/2012 2:05 PM, Tux Lab wrote: ... Does the graphics card driver makes any difference on latency? As I run glxgear, I notice the fps is pretty low and it's running software rendering. If I switch over to radeon driver will latency improve

Re: [Emc-users] linux 10.04 install from usb

2012-05-15 Thread Kent A. Reed
On 5/15/2012 4:12 PM, dave wrote: Hi, Google is sometimes not my friend. Grump for an older guy. ;-) Greetings from a fellow grump. The idea is to install a linux from a live cd to at usb so I can get it on a D510MO. Since this board has no ide the route I think makes sense is: Download

Re: [Emc-users] Debian with LinuxCNC

2012-05-16 Thread Kent A. Reed
On 5/16/2012 12:06 AM, Dave wrote: Perry Mason would say. Perry who ?? ;-) Dave On 5/15/2012 10:28 PM, N. Christopher Perry wrote: You're dating yourself, Kent. :)) N.C. On 5/15/2012 4:00 PM, Kent A. Reed wrote: ... Oops, sorry. I mixed up manufacturers here. Radeon is AMD

Re: [Emc-users] Compiling 2.5 as simulator

2012-05-16 Thread Kent A. Reed
On 5/16/2012 3:08 AM, Robert von Knobloch wrote: From: Chris Radek: Does your system have working opengl? From: Kent A. Reed A quick test in response to Chris's question is to see what happens when you invoke 'glxgears' on the command line. Yes, glxgears works just fine, quite fast, even

Re: [Emc-users] Intel Board issues

2012-05-16 Thread Kent A. Reed
On 5/16/2012 1:41 PM, Terry Christophersen wrote: Yes it was me. A new version of BIOS on this board must be the problem? And what version is it? Scanning the BIOS Update release notes (downloadmirror.intel.com/21218/eng/MW_0122_ReleaseNotes.pdf) I see back at version 0078 Fixed issue where

Re: [Emc-users] Intel Board issues

2012-05-16 Thread Kent A. Reed
On 5/16/2012 2:56 PM, Terry Christophersen wrote: BIOS version: MWPNT10N.86A.0083.2001.0524.1600 Does that mean version 86? Terry No, MWPNT10N.86A is the designation of this board's BIOS according to the Intel docs. Your BIOS version stands at 0083 which is more recent than any version

Re: [Emc-users] Intel Board issues

2012-05-16 Thread Kent A. Reed
On 5/16/2012 4:40 PM, Terry Christophersen wrote: Latest update: Took the ssd and put it in a Windose comuter and formatted it(I know you are rolling your eyes at me now) But it seems to be installing from the new CD ok now. Terry: It's a fact of life that manufacturers who want to make

Re: [Emc-users] CNC Tube Bender

2012-05-16 Thread Kent A. Reed
On 5/16/2012 7:26 PM, Kirk Wallace wrote: I wonder if this uses g-code? http://www.youtube.com/embed/yigRgG_NIyU This is very cool. Less impressive, perhaps, but still interesting is the DIY wire bender http://hackaday.com/2012/05/04/diwire-bender-makes-nearly-any-shape-imaginable/

Re: [Emc-users] CNC Tube Bender

2012-05-17 Thread Kent A. Reed
On 5/17/2012 6:43 AM, John Thornton wrote: Pretty impressive for DIY, too bad they don't know anything about straightening wire... those lead in rollers are totally wrong if their intention was to straighten the wire on that plane. John On 5/16/2012 10:26 PM, Kent A. Reed wrote: On 5/16

Re: [Emc-users] Compiling 2.5 as simulator

2012-05-18 Thread Kent A. Reed
On 5/18/2012 4:40 AM, Robert von Knobloch wrote: From: Kent A. Reedkentallanr...@gmail.com Subject: Re: [Emc-users] Compiling 2.5 as simulator ...deleted lots of twaddle... Regards, Kent Yes Kent, but just for clarity LinuxCNC 2.5 on openSUSE 12.1 works fine, it is only the 'live plot'

Re: [Emc-users] Intel DN2800MT - possible new LinuxCNC star?

2012-05-22 Thread Kent A. Reed
On 5/22/2012 2:43 PM, Dave wrote: On 5/22/2012 1:10 PM, Andrew wrote: Hi everyone, I just ran into Intel DN2800MT mini-ITX motherboard. http://www.intel.com/content/www/us/en/motherboards/desktop-motherboards/desktop-board-dn2800mt.html It has HDMI, LVDS (can be useful for LCD panels), LPT

Re: [Emc-users] Intel DN2800MT - possible new LinuxCNC star?

2012-05-22 Thread Kent A. Reed
On 5/22/2012 5:19 PM, andy pugh wrote: On 22 May 2012 22:17, Kent A. Reedkentallanr...@gmail.com wrote: While Ubuntu Linux 10.04 can be installed, functionality is limited and hardware graphics acceleration does not work. Because there are no drivers for the PowerVR graphics chip, the OS

Re: [Emc-users] G04 dwell in seconds not milliseconds?

2012-05-23 Thread Kent A. Reed
On 5/23/2012 5:53 AM, andy pugh wrote: Unfortunately the G-code standard is not very standard. Every information-representation standard I ever met was encumbered with exceptions, variants, special cases. After all, they're written by committees (on some of which I served, so I'm guilty too).

Re: [Emc-users] Tablet

2012-05-23 Thread Kent A. Reed
On 5/23/2012 8:39 AM, andy pugh wrote: I wonder if there is any use for a touchscreen tablet as a remote/pendant? A friend of mine is trying to push these: http://www.amazon.co.uk/Fineslate-Capacitive-Ice-cream-Sandwich-Facebook/dp/B007L9YZP4/ref=sr_1_1?s=computersie=UTF8qid=1337766725sr=1-1

Re: [Emc-users] Encoder Redundancy?

2012-05-23 Thread Kent A. Reed
On 5/23/2012 3:29 PM, John Kasunich wrote: On Wed, May 23, 2012, at 12:13 PM, Jon Elson wrote: andy pugh wrote: On 23 May 2012 07:08, Jeshua Lacockjes...@3dtopo.com wrote: I am guessing there is not an easy way to detect this condition, It should be possible to check if your PID is

Re: [Emc-users] Tablet

2012-05-23 Thread Kent A. Reed
On 5/23/2012 12:53 PM, andy pugh wrote: On 23 May 2012 15:06, Kent A. Reedkentallanr...@gmail.com wrote: I got as far as bringing up my own custom build of Linux with a cut-down X, but then it got taken up as a display for my grandkids This looks vaguely interesting in this context:

Re: [Emc-users] Intel DN2800MT - possible new LinuxCNC star?

2012-05-23 Thread Kent A. Reed
On 5/23/2012 4:33 PM, John Kasunich wrote: On Wed, May 23, 2012, at 11:13 PM, Viesturs Lācis wrote: 2012/5/23 Davee...@dc9.tzo.com: Probably the wrong page... http://www.logicsupply.com/categories/mainboards/intel_atom I like their description for D2700MUD board. Especially last sentence:

Re: [Emc-users] Flash hole drill sizes for BP with 209 ignition?

2012-05-23 Thread Kent A. Reed
On 5/23/2012 9:42 PM, gene heskett wrote: BP nipples using #209 primer That certainly was a shot in the dark given the nature of this group, Gene. I'd think there are gunsmithing and shooting groups online that are better able to answer. Just for grins, I stuck the above line into Google and

Re: [Emc-users] G04 dwell in seconds not milliseconds?

2012-05-23 Thread Kent A. Reed
On 5/23/2012 7:44 PM, andy pugh wrote: On 24 May 2012 00:37, Claude Zervascla...@utlco.com wrote: According to The NIST RS274NGC Interpreter, version 3, NISTIR 6556 (2000), section 3.5.4, the G04 parameter 'P' is in seconds... there you have it. Yes and no. Because NIST wrote EMC… And

Re: [Emc-users] Encoder Redundancy?

2012-05-23 Thread Kent A. Reed
On 5/23/2012 10:45 PM, Jon Elson wrote: Kent A. Reed wrote: Of course all roads lead to LinuxCNC, but is there some reason one couldn't/wouldn't start with one of the many microcontroller chips or even ARM-based SoCs and build a separate watchdog for the purpose of detecting and stopping

Re: [Emc-users] Flash hole drill sizes for BP with 209 ignition?

2012-05-23 Thread Kent A. Reed
On 5/23/2012 11:03 PM, gene heskett wrote: On Wednesday, May 23, 2012 10:42:23 PM Kent A. Reed did opine: On 5/23/2012 9:42 PM, gene heskett wrote: BP nipples using #209 primer That certainly was a shot in the dark given the nature of this group, Gene. I'd think there are gunsmithing

Re: [Emc-users] Need Help from U.S. Users Companies - APT (Automatically Programmed Tools)

2012-05-24 Thread Kent A. Reed
On 5/22/2012 12:26 PM, Matt Shaver wrote: I would also be interested in hearing from any people with experience in Fortran who would be interested in helping port this code to the Linux platform. If you could indicate your level of Fortran experience and any reasons for your interest in this

Re: [Emc-users] Tool Offsets

2012-05-24 Thread Kent A. Reed
On 5/24/2012 2:50 AM, Steve Blackmore wrote: On Wed, 23 May 2012 06:45:22 -0500, you wrote: Good point, are there any two controls from different manufacturers that are completely portable between each other? Unfortunately not in my experience. I know from reading my CNC g code manuals from

Re: [Emc-users] Encoder Redundancy?

2012-05-24 Thread Kent A. Reed
On 5/24/2012 1:13 PM, Jon Elson wrote: Well, not really elegant, but I think it would work, and not require months of firmware design. That makes it elegant, at least in my world where the perfect is not allowed to be the enemy of the good. Regards, Kent

Re: [Emc-users] Need Help from U.S. Users Companies - APT (Automatically Programmed Tools)

2012-05-27 Thread Kent A. Reed
On 5/27/2012 9:34 AM, Dave Caroline wrote: In preparation for any work I thought, we need to get a call tree or flow chart. A bit of googling and I found f77_diagram. A bit of hacking and I have it outputting html with links to other html including links to the flow charts.

Re: [Emc-users] Commutating Reactor

2012-05-27 Thread Kent A. Reed
On 5/27/2012 12:59 PM, John Thornton wrote: I did manage to get two traces last night with a kick start from your instructions and lots of help from the IRC. At the end I figured out the two circuits I was monitoring was the same phase. I do feel that I can get a good trace now thanks to all

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

2012-05-30 Thread Kent A. Reed
On 5/30/2012 3:51 AM, Roland Jollivet wrote: Hi Alex Do you mind saying what you are printing, and if you feel the printing is a worthwhile exercise? I've been looking at different printers for months, but they only seem to be able to produce junk. Cnc'ing it out of a block of plastic looks

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

2012-05-30 Thread Kent A. Reed
On 5/30/2012 12:20 PM, Viesturs Lācis wrote: 2012/5/30 Kent A. Reedkentallanr...@gmail.com: If you want really elegant DIY output, check out what's happening with photo-initiated polymer resin-based printers, for example, http://b9creator.com/ I have always wondered, what is the tensile

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

2012-05-30 Thread Kent A. Reed
On 5/30/2012 2:40 PM, dave wrote: On Wed, 30 May 2012 11:55:49 -0400 Kent A. Reedkentallanr...@gmail.com wrote: ... If you want really elegant DIY output, check out what's happening with photo-initiated polymer resin-based printers, for example, http://b9creator.com/ That looks like the

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

2012-05-30 Thread Kent A. Reed
On 5/30/2012 2:19 PM, Viesturs Lācis wrote: 2012/5/30 Roland Jollivetroland.jolli...@gmail.com: The thing is, what do you do with these parts? While I fully appreciate the value of the learning, especially for children, people using EMC are perforce versed in CNC milling. Yes, can I ask 3D

[Emc-users] documenting Cabin Fever Weekend for the ages

2008-01-15 Thread Kent A. Reed
Gentle persons: I am a long-time lurker on this list who has been looking forward eagerly to spending my weekend at this year's Cabin Fever Expo and finally meeting folks who are just email handles to me now. The planning was done, my wife convinced, the Google maps printed, and the car

Re: [Emc-users] Gene's silver-plating problem

2008-04-17 Thread Kent A. Reed
Gene: There's nice background material on electoplating, electrodeposition, and such in the Wikipedia. I did enough electroplating in grad school not to want to go there if I can avoid it. Did you notice that CoolAmp also markets Conducto-Lube? I don't know if it would work in your

Re: [Emc-users] 155 ms real-time delay every 10 minutes?

2008-05-06 Thread Kent A. Reed
Anders: I hesitate to throw what may be just another red herring into the discussion, but there are a number of 600-second defaults floating around Linux, and it is possible you're getting tripped up by one of them rather than by some clock problem. For example, by default, the stock Ubuntu

Re: [Emc-users] suse10.3 - after exit linux freezes

2008-05-20 Thread Kent A. Reed
On Tue, 13 May 2008 at 20:59:05 -0500, Jeff Epler wrote: On Tue, May 13, 2008 at 09:11:05PM -0400, Kent A. Reed wrote: I hope someone holding write-permission to the wiki.linuxcnc.org To get write permission, follow the BasicSteps and log in http://wiki.linuxcnc.org/cgi-bin

Re: [Emc-users] Still crashing

2008-05-22 Thread Kent A. Reed
Paul: Coincidently, two nights ago I tried just what you tried, in my case downloading the complete Release-2.2.5 from cvs.linuxcnc.org. I used a newly installed Linux and I have had no previous interaction with the cvs system ever, so there shouldn't have been any detritis left over to

Re: [Emc-users] New Synergy?

2008-06-13 Thread Kent A. Reed
Kirk: I wish I could claim credit for a fix to the libqt3c102-mt problem, but I can only claim credit for remembering that one had to be worked out when Skype was first released to the Debian community and caused the same problem. It seems libqt3c102-mt has transitioned to libqt3-mt but the

Re: [Emc-users] New Synergy?

2008-06-15 Thread Kent A. Reed
jbraun wrote: Synergy is not working well with 8.0.4 on my machine. After running in color a few seconds everything goes grayscale. Maybe a case of switching on too much eyecandy? Hardy Heron has a ton of that stuff LOL. Doh! My apology for not noticing that this happens on my machine too,

Re: [Emc-users] EMC Fest

2008-06-16 Thread Kent A. Reed
Jeff Epler wrote: so far we've got Jeff Epler John Kasunich Steve Padnos Kenneth Lerman Steve Stallings Matt Shaver Ray Henry ...and, of course, Jon Elson is on his way... It would be great if y'all could use the webcam to capture a group

Re: [Emc-users] SheetCam TNG V0.0.24 for Linux released

2008-06-18 Thread Kent A. Reed
Les: It's interesting to see the problems some are running into. Starting with a fresh copy of Ubuntu 8.04LTS, I installed SheetCam TNG V0.0.23 last week using the autopackage. No problem. Last night, I followed your instructions and had no problem uninstalling V0.0.23 or installing V0.0.24.

[Emc-users] Ground currents (was [OT] Plasma noise resistant box)

2008-11-02 Thread Kent A. Reed
Karl Schmidt wrote Failing to realize that a wire connected to ground at one end is not at ground on the other end, if it is carrying current is endemic. Some years ago, while I was still at NIST, we held an international conference to address the building design/construction requirements

[Emc-users] RTAI version (was: Realtime system did not load)

2008-11-02 Thread Kent A. Reed
Alex recently wrote, in response to discussion about a system with more than 1G of ram not loading RTAI This was a known bug on the older system, like last year. I thought they got that fixed! Not so, or is Mario using an old version of Ubuntu? We fixed that on 6.06

Re: [Emc-users] Free 3D CADs on Linux WAS: BRL-CAD

2008-11-02 Thread Kent A. Reed
Gentle persons: I quite understand the desire to find CAD software that (1) is free as in beer and (2) runs directly in Linux. I yield to no one in my ardor for open source in general and GNU/Linux in particular. As I grow older, however, I find that pragmatism is overtaking idealism. With

Re: [Emc-users] [EMC-users] Free 3D CADs on Linux WAS: BRL-CAD

2008-11-04 Thread Kent A. Reed
Gentle persons: Holy cow! I count eighteen mail digests between my message of just two days ago and now. We're really cooking with gas here. I meant no disrespect to Weber Systems by not mentioning Synergy. It has tons of features both on the CAD side and the CAM side and now even includes

Re: [Emc-users] Various problems with boards, drivers, modules, Linices, etc.

2008-11-07 Thread Kent A. Reed
Gentle persons: In a recent response to a disgruntled user trying to get a new-model Mesa Electronics board working with EMC2 and servo drives, Peter Wallace made a profound remark that characterizes many of the email storms I seen over the past several years. Peter said The newness of the

Re: [Emc-users] RELEASED emc2.2.2.7

2008-11-12 Thread Kent A. Reed
Jeff Epler wrote... Source tarballs are available from the package repository: http://linuxcnc.org/hardy/dists/hardy/emc2.2/source/emc2_2.2.7.tar.gz Yes, this link worked fine for me, but when I used the you can get it as a source package from sourceforge link on the www.linuxcnc.org

Re: [Emc-users] Pic a servo

2008-11-21 Thread Kent A. Reed
Gentle persons: I'm hearing echoes of a 30-year old story that a contributing editor of one of the early microcomputing magazines (maybe Kilobaud) told. He got a wild hair to make a simple interface card and sell it. His tale of woe can be boiled down to I was losing money on every sale. What

[Emc-users] 5-axis machining (was Re: Testing)

2008-12-11 Thread Kent A. Reed
Risto: So far, the answers to your question about generating 5-axis g-code appear to sidestep the core difficulty --- In general, knowing the 3D geometry of a part tells you next to nothing about making the part. If the part is complex enough to require 5-axis machining, then it is likely to

Re: [Emc-users] 5-axis machining

2008-12-27 Thread Kent A. Reed
Gentle persons: First, let me apologize for flitting on and off this list. I won't bore you with the details, but on-going health crises in two generations of my family are making a hash of my concentration on the fun stuff. Recently, Dave Engvall pointed out my wrong-headed characterization

Re: [Emc-users] Ethernet, rtai, and rtnet

2008-12-27 Thread Kent A. Reed
Gentle persons: I'm sorry I wasn't able to put my oar in when this subject came up again recently. I am interested in playing with rtnet in the Spring. The trouble is, I'm certain enough of myself to believe I can successfully lash up some computers running rtai/rtnet and exchanging messages

Re: [Emc-users] Ethernet runs to barns and such

2008-12-27 Thread Kent A. Reed
Gentle persons: There was a flurry of messages earlier that touched on running ethernet to barns and such using either cat-5 cable or wi-fi. Sorry I was in no position to respond at the time. I was surprised no one mentioned powerline ethernet technology (or was I just not diligent enough in

[Emc-users] Bad motherboard capacitors?

2008-12-27 Thread Kent A. Reed
Gentle persons: In part because of the need for a parallel port and in part because of the latency-inducing problems that seem to arise more often with recent chipsets, we EMC'ers often seek out older motherboards/cpus. I'm curious to know if anyone has run into the problem of bad capacitors

Re: [Emc-users] Ethernet, rtai, and rtnet

2009-01-01 Thread Kent A. Reed
Gentle persons: So I've been trying to practice due diligence. The sourceforge mail archives have been really flaky for me today and the Gmane archives go back only 2 years, so I started by searching my archive of emc-users-digest messages that dates from when I subscribed to the digest in

[Emc-users] OT: PDP11

2009-01-01 Thread Kent A. Reed
Stuart and Jon: You got me with your talk of PDP11 memory tests and insanely complex systems with PDP-11s with hundreds of ISR addresses...I was immediately transported back to the 1970s. I still have the tactile memory of keying in the bootstrap loader from the front panel, over and over and

Re: [Emc-users] PCB routing on a CNC mill

2009-01-03 Thread Kent A. Reed
Gentle persons: I know I should poll CNCZONE instead, but this is a much more friendly crowd and the rate of useful information exchange is much higher. I recently got a Tower Hobbies catalog to look for an RC gift to my son and/or his son. I stumbled across the brushless motors section and

Re: [Emc-users] web cam capture

2009-01-03 Thread Kent A. Reed
Len Shelton wrote: Anyone know of a simple command line web cam capture program? I am running EMC2 on my pick-n-place machine. I want to be able to pick up a part, then move it over an uplooking webcam, capture an image, then proceed with placing the part. I want to be able to study these

Re: [Emc-users] Cabin Fever show

2009-01-05 Thread Kent A. Reed
Gentle persons: I know I should go just because of the awesome model work on display but do you think there will be enough CNC-related stuff to see to make it worth a 2-hr drive each way from Gaithersburg MD? I have a machinist friend who goes just for the auction on Friday, and I'd go with

Re: [Emc-users] Dell Dimension 2400

2009-01-09 Thread Kent A. Reed
Hi, Will. I'm the culprit who posted the Dell Dimension 2400 timing numbers. They were obtained in a drive-by test of a friend's PC running the EMC2 LiveCD (I think it was the Ubuntu 8.04 version but I don't remember for sure). Nothing was done to his BIOS settings and, of course, the SMI

[Emc-users] OT: the CNCer personality

2009-01-09 Thread Kent A. Reed
Stuart Stevenson wrote: Reminds me of a line in the movie 'HOOK' - I want, I want, I want, me, me, me, mine, mine, mine, now, now,now To quote Mick Jagger and the Rolling Stones: You can't always get what you want You can't always get what you want You can't always get what you want But if

[Emc-users] request to EricJ and his new latency test results

2009-01-10 Thread Kent A. Reed
Dear EricJ: I see you have just added two excellent latency test results to the Wiki, one for the Jetway J7F2WE1G5D (a VIA C7 CPU) and one for the Intel D945GCLF2 (an Atom CPU), with both showing less than 1ns jitter in the fast thread. Thanks very much for posting these data but could

Re: [Emc-users] Telnet Interface Questions

2009-01-10 Thread Kent A. Reed
Andrew wrote: Hi Guys, ...It is totally remotable, in that you could have a screen with the estop button on it in the US, and I could have the cycle start button here in Australia and the machine could be in Timbuktu. (Not sure why you would do this, but you could if your little heart

Re: [Emc-users] request to EricJ and his new latency test results

2009-01-11 Thread Kent A. Reed
Thanks, Eric, for your gentle reply. I shouldn't write email late at night. I woke up this morning and realized the latency-test script probably doesn't involve the port anyway, leaving me open to a Kent, you ignorant slut response. Instead, you provided good additional info. I wouldn't have

[Emc-users] [OT] seeking info on Gorton MasterMil 1-22 powerfeed

2009-01-14 Thread Kent A. Reed
Gentle persons: This is a long shot, but your collective knowledge seems inexhaustible. A long-time (ca. 35 years and counting) friend has gone and bought himself a Gorton MasterMil 1-22 vertical mill that he estimates was manufactured in the 1960s. He tells me it's in very good mechanical

Re: [Emc-users] Motherboard recommendation, WIKI seems not up, to date

2009-01-14 Thread Kent A. Reed
Gentle persons: Thomas Kaiser wrote: After I saw the entry with the Intel D945GCLF2 in the wiki, I decided to buy the same one. Unfortunately, this board was not available in my local shop. But the D945GCLF was there (same board with only a one core Atom processor). So, I took this one

[Emc-users] Anyone else find their list membership disabled?

2011-01-22 Thread Kent A. Reed
On 1/22/2011 4:20 AM, emc-users-requ...@lists.sourceforge.net wrote: Your membership in the mailing list Emc-users has been disabled due to excessive bounces The last bounce received from you was dated 22-Jan-2011. You will not get any more messages from this list until you re-enable your

Re: [Emc-users] Ethernet with EMC2

2011-02-03 Thread Kent A. Reed
On 2/3/2011 6:07 PM, Kim Kirwan wrote: Andy mentioned Ethercat, but what happened to Realtime Ethernet, wasn't someone working on bringing this to EMC2: http://www.rtnet.org/ It seems to be RTAI-friendly, and they use a git repository. What happened to this project? Is anyone working on it?

Re: [Emc-users] EMC2 and Ethernet [AT5NM10-I]

2011-02-08 Thread Kent A. Reed
On 2/7/2011 6:42 PM, Steve Blackmore wrote: On Mon, 7 Feb 2011 15:53:34 +, you wrote: On 7 February 2011 15:42, Steve Blackmorest...@pilotltd.net wrote: Try the Asus version - AT5NM10-I That also appears to have the P-port as a socket rather than a header. However, I wonder if it has

Re: [Emc-users] Multiplexers

2011-02-13 Thread Kent A. Reed
On 2/13/2011 8:59 AM, John Thornton wrote: In my continuing search to get temperature information into the computer at a reasonable cost I came across a neat thing called a multiplexer. I'm sure all of you know about them all ready :) but I'm a little slow in electronics. Anyway my thought is

Re: [Emc-users] Multiplexers

2011-02-13 Thread Kent A. Reed
On 2/13/2011 12:41 PM, John Thornton wrote: I'm measuring the cabinet temperature of a smoker with a range of 100F - 350F and internal food temperatures from 40F to 250F or so. The thermocouples I'm using are Auber Instruments smoker and meat thermocouples. All the temperature devices are in

Re: [Emc-users] EMC2 and Ethernet [AT5NM10-I]

2011-02-13 Thread Kent A. Reed
On 2/8/2011 11:11 AM, Peter C. Wallace wrote: On Tue, 8 Feb 2011, Kent A. Reed wrote: Date: Tue, 08 Feb 2011 10:51:18 -0500 From: Kent A. Reedknbr...@erols.com Reply-To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net To: Enhanced Machine Controller (EMC)emc-users

Re: [Emc-users] EMC2 and Ethernet [AT5NM10-I]

2011-02-13 Thread Kent A. Reed
On 2/8/2011 11:13 AM, Kyle Kerr wrote: I know I have missed out on the list for a good long time, but, I thought I recalled that usb read/writes were the worst thing one could try to do while using EMC2. I realize that it was done as stress testing. I just thought those read/writes were pretty

Re: [Emc-users] ssh -Y -l gene shop, revisited.

2011-02-25 Thread Kent A. Reed
On 2/25/2011 8:28 PM, Alex Joni wrote: Try using a different GUI for tests (tkemc or mini). Maybe there's no GLX extension on your remote X server Regards, Alex - Original Message - From: gene heskettghesk...@wdtv.com To: Enhanced Machine Controller

Re: [Emc-users] ssh -Y -l gene shop, revisited.

2011-02-26 Thread Kent A. Reed
On 2/25/2011 11:27 PM, Jon Elson wrote: gene heskett wrote: Greetings all; I have not been able to run emc by remote ssh login since I updated to 10.4 LTS and 2.4.6. Much faster than trying to run EMC is to run glxgears remotely. If you can get that to run, then you ought to be able to

Re: [Emc-users] Back to Heekscad, cause its 3d.

2011-03-05 Thread Kent A. Reed
On 3/5/2011 9:49 AM, gene heskett wrote: Trying to run it in cli mode by using the lower left window for data entry. First I drew the stick ok, starting with a 0,0,0 anchor point. Then I tried to add the tenon on the end, and discovered the anchor point of 0,0,0 cannot be edited. So I

Re: [Emc-users] compiling hidcomp

2011-03-05 Thread Kent A. Reed
On 3/4/2011 8:52 PM, Frank Tkalcevic wrote: That's [speaking of an ifdef _WIN32 construction in Frank's code] in there because I do 95% of my development on Windows. I usually develop stuff on windows then move it across to linux when it's almost done. I still haven't found a development

Re: [Emc-users] W axis working! One problem remains, residual current to the motor.

2011-03-05 Thread Kent A. Reed
On 3/4/2011 8:31 AM, Igor Chudov wrote: On Fri, Mar 4, 2011 at 7:27 AM, Przemek Klosowski przemek.klosow...@gmail.com wrote: On 3/4/11, Igor Chudovichu...@gmail.com wrote: I re-wrote Andy's function to compare the absolute value of the diff, and compare that to 1E-07. I know that this is

[Emc-users] [OT] power factor and VFDs (was Single Phase Lathe spindle motor question)

2011-03-09 Thread Kent A. Reed
On 3/9/2011 7:23 AM, RogerN wrote: For what it's worth, I have a lathe with a 7.5HP motor and used a 10HP Hitachi VFD like this: ... One time I let the lathe just idle, not cutting anything, the VFD showed 13A 3 phase to the motor, the input to the drive was ~5A single phase, the VFD

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