Re: [Emc-users] Ideal Atom?

2012-01-07 Thread Jack Coats
Reason for 2 LAN ports? The only reasons I have ever used them was 1) bonding, to get more bandwidth for one server than was normally available. back up servers need lots of incoming bandwidth and multiple NICs are a good way to do that. multiple bonded NICs is one way, another is nics

Re: [Emc-users] LinuxCNC: The new name of the Enhanced Machine Controller

2012-01-17 Thread Jack Coats
IMHO, we need to keep references to EMC and EMC2 on the web site as 'historical artifacts', and also reference the NIST project that started the initial 'Enhanced Machine Controller' project and named it. Like in http://www.isd.mel.nist.gov/projects/rcslib/emc_links.html It will also allow links f

Re: [Emc-users] LinuxCNC: The new name of the Enhanced Machine Controller

2012-01-17 Thread Jack Coats
I wonder when EMC, Inc was incorporated and initially copywrited EMC and EMC^2 (superscript that is). ... I need to get over it and just go along, but I hate feeling like we are being muscled out by the force of money/clout. ... That is probably my hangup. I'd feel much better if EMC would offer

Re: [Emc-users] LinuxCNC: The new name of the Enhanced Machine Controller

2012-01-18 Thread Jack Coats
Open Machine Controller or OpenCNC would have been better name. Still holding out hope that the software could be supported on different platforms. For now, LinuxCNC is the monniker. At least it isn't GNUCNC -- Keep You

Re: [Emc-users] LinuxCNC: The new name of the Enhanced Machine Controller

2012-01-18 Thread Jack Coats
On Wed, Jan 18, 2012 at 6:14 PM, Dave wrote: > Seeing that EMC2 has been stung by the EMC Corporation for trademark > infringment, why isn't Gillette pursuing Mach3 CNC  ??? > > Or is it only a matter of time? > Open projects and individuals are easy targets. A friend had 'Penguin.com' for severa

Re: [Emc-users] Methods of community information exchange for LinuxCNC

2012-01-25 Thread Jack Coats
IRC support is good too for 'immediate questions'. This isn't such a small group that we should have 'just one' channel of communications. 'Official announcements' should go out on the group web site, and that same information made available to 'freshmeat', sourceforge, git, and any other related

Re: [Emc-users] Why APT

2012-03-05 Thread Jack Coats
IEFBR14 was my favorite utility. That, the internal card reader and dependent job control (in JES2 and JES3), were my favorite utilities and features back in the MVS days. I did start with MFT and HASP. Once I finally understood JCL as a real language, it became as powerful as any other language,

Re: [Emc-users] EMC2/Ubuntu updates - safe to install?

2012-03-05 Thread Jack Coats
Unless you want to go to lots of pain, don't install them. Also, don't keep your LinuxCNC machine on the 'net. Why? Keeps updates from being installed, and keeps the internet 'boogiemen' from getting to an otherwise unprotected machine. Computer viruses have trouble jumping an airgap in networki

Re: [Emc-users] State of Wizards/Druids for simple machining.

2012-03-07 Thread Jack Coats
As an old friend told me... UNIX (and Linux) are user friendly, but it is picky about who its friends are. Yes, most folks that talk about software not being user friendly, don't want to have to read a manual, or check requisites (pre or post). In my experience, 'user friendly' means to many,

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

2012-03-16 Thread Jack Coats
'Selling free software' is hard. What a vendor 'sells' isn't open or free software. It is services. It is hardware. It is integration. It is training. It is support. Basically, it is time. It is NOT software. It can be 'glue' software they write, or 'customization'. I worked for a company t

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

2012-03-16 Thread Jack Coats
I worked for a company where we did 'market open software'. We sold Asterisk based VOIP telephone PBX systems. They were 'white box' hardware (generic, nothing special) systems, with Linux, Asterisk, and other support software all installed, integrated, configured for the customers. There was NO

Re: [Emc-users] Difficulty defining jitter, was Re: May be of Interest

2012-04-01 Thread Jack Coats
On Sun, Apr 1, 2012 at 6:15 PM, Jon Elson wrote: > Kent A. Reed wrote: >> >> As an aside, it was interesting to me that while the author of the >> bitmuster article made note of the fact that different tools reported >> different numbers, he/she seemed indifferent to the actual numbers reported. >

Re: [Emc-users] Raspberry pi integration?

2012-05-09 Thread Jack Coats
On Wed, May 9, 2012 at 8:51 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 tho

Re: [Emc-users] OT : large cnc

2012-05-22 Thread Jack Coats
On Tue, May 22, 2012 at 7:07 AM, charles green wrote: > a whole robot to swap tools:  the prelude to an opera of the waking > maintenace nightmare. Yep, that's right. ... Welcome to the wonderful world of high-$$ machines, where waiting for the maintenance guy costs more than putting another toy

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

2012-05-30 Thread Jack Coats
In college my son had 3D printing capability for 'free'. But their machine shop had 3D printers (filament, powder deposition, etc versions), laser cutters, CNC machines, ... all the toys I wish I could have access to. They had standard over night delivery from Grainger and Small Parts for whateve

Re: [Emc-users] Copying G code files from PC to PC

2016-03-24 Thread Jack Coats
Rather than hardware or sending information 'offsite' to Dropbox or similar, I was wondering if something like bittorrent sync could be used? It can probably run under LinuxCNC, but I haven't checked. https://www.getsync.com/ It does support Windows, Mac, Linux and Linux on ARM, FreeBSD, Apple an

Re: [Emc-users] OT: Linux Security

2016-04-04 Thread Jack Coats
I have used Linux for a long time. If you don't go 'trolling' un-trusted web sites and using email on the same computer you use for EMC, there is no need to worry. Why? Linux is a 'less valuable' target for hackers than commodity windows and even Apple machines. There are also fewer of them in

Re: [Emc-users] OT: Linux Security

2016-04-04 Thread Jack Coats
It isn't that Linux isn't a target. It is. Just not as 'popular' a target. There are antivirus that can be run on Linux, but they tend to focus on PC virus, partly because Linux is used often as storage server, and scanning the users files is a reasonable thing to do. In my experience, Linux is

Re: [Emc-users] Arrival time Moving average (time, period)

2016-04-11 Thread Jack Coats
My knee-jerk algorithm would say subtract one average from the total of all averages, add in the new period, and divide by the number in the average. If programming in assembler I would go with 128 rather than 100 steps to keep the division easy (rotate a copy of the accumulator right 7 bits). Divi

Re: [Emc-users] Copying an installation

2016-05-07 Thread Jack Coats
You might give Clonezilla a try. Burn it to a USB drive, Boot from that drive then generate an image on another USB, hard drive, or whatever. Checkout clonezilla.org for details. It can also work over a network, but the devil is in the details, as always. The resultant drive should be bootable

Re: [Emc-users] Need some advice

2016-05-15 Thread Jack Coats
The "Civil Forfeiture'' laws are what you are discussing. Yes, traveling with large amounts of cash seems to make you the target of this especially when traveling long distances. It is a law designed to help reduce the drug trafficking by allowing law enforcement to capture suspected 'drug money'

Re: [Emc-users] What does "CNC" really mean?

2016-08-31 Thread Jack Coats
I remember my dad going to take an NC course at Sundstrand. The concept of NC (Numeric Control) vs manual control was a big step in industry (think of looms vs Jacquard looms - a lot of manual labor between these technologies). The makers of big mills that milled parts for Bell Helicopters back i

Re: [Emc-users] Happy 82nd to me, and the latest version of my G76 tweaker for you

2016-10-04 Thread Jack Coats
Hope you have had a great anniversary of full revolutions around Sol! .. .In short, Happy Birthday Gene! -- Check out the vibrant tech community on one of the world's most engaging tech sites, SlashDot.org! http://sdm.lin

Re: [Emc-users] Coordinate Transform to Level Workbed

2013-12-08 Thread Jack Coats
> On 8 December 2013 17:21, Charles Steinkuehler > wrote: > > >> I disagree. G-code works in idealized cartesian space, and the output > >> should be idealized cartesian too. > > My understanding is that if you have a particular geometry of a CNC machine is non-idealized cartesian, you use the kin

Re: [Emc-users] Toolchanges

2014-03-24 Thread Jack Coats
I would think that tool changing could be done by many means. The mechanical changing and securing is really the hard part. As a friend once told me: "The rest is a simple matter for software" (I never believed him either) I have tried to come up with a reasonably easy way to handle tool changin

Re: [Emc-users] Ubuntu versions?

2014-05-11 Thread Jack Coats
The quick answer is 'that's what works'. A more technical answer is that the libraries used that are needed for real-time-linux to work as needed to drive your steppers properly work well with Ubuntu 10. Also, for ease of use, installing the 'live' image available for LCNC means you don't have to

Re: [Emc-users] Ubuntu versions?

2014-05-11 Thread Jack Coats
oduce of the second. > -John Steinbeck, novelist, Nobel laureate (1902-1968) > > On 05/11/2014 05:58 PM, Jack Coats wrote: > > The quick answer is 'that's what works'. A more technical answer is that > > the libraries used that are needed for real-time-linux to w

Re: [Emc-users] fest

2014-05-30 Thread Jack Coats
Make that a MeToo for what Bari said! :) I'll probably drive from near Nashville TN if someone needs a lift. On Fri, May 30, 2014 at 1:25 PM, Bari wrote: > On 05/29/2014 08:16 PM, Chris Kelley wrote: > > How does the weekend of October 17th sound? I think that's enough time to > > plan and Octo

Re: [Emc-users] fest

2014-05-30 Thread Jack Coats
; > > On Fri, May 30, 2014 at 3:32 PM, Jack Coats wrote: > > > Make that a MeToo for what Bari said! :) > > > > I'll probably drive from near Nashville TN if someone needs a lift. > > > > On Fri, May 30, 2014 at 1:25 PM, Bari wrote: > > > >

Re: [Emc-users] BBB cape available

2014-06-20 Thread Jack Coats
A cape is an add-on board for electronics of various types for a Beagle Board (and Black). Similar to the Arduino Shields. RaspberryPi doesn't use cute terms like this, but the concept of cape or shield is easy to communicate and it easier to communicat than add-on board, or external interface, a

[Emc-users] A great goal - to make a interface for LiuxCNC to this stuff

2014-06-21 Thread Jack Coats
http://youtu.be/hnDKqr-g3t4 Any ideas on how to implement this kind of thing? I know it is more than I have the ability for, but it could be a fantastic edition that allows LinuxCNC to be even more useful to small businesses. -- ><> ... Jack -

Re: [Emc-users] A great goal - to make a interface for LiuxCNC to this stuff

2014-06-21 Thread Jack Coats
10:30 AM, Gene Heskett wrote: > On Saturday 21 June 2014 09:44:36 Jack Coats did opine > And Gene did reply: > > http://youtu.be/hnDKqr-g3t4 > > > > Any ideas on how to implement this kind of thing? > > > > I know it is more than I have the ability for,

Re: [Emc-users] A great goal - to make a interface for LiuxCNC to this stuff

2014-06-22 Thread Jack Coats
Hopefully, they are just trying to make a well defined, public, and easy to use set of standards. That is easy to document, implement, understand (by less formally educated in the field), and use effectively and efficiently. All the things they are trying to bring together are well known methods

Re: [Emc-users] 2nd part

2014-07-30 Thread Jack Coats
For a demo, getting a machine to just do it (even if it takes 'breaks' due to excess temperatures) for a while, would be fantastic. Just might need 'yet another sensor'. Especially for demo, being able to run continuously is great but not essential. For proof of concept (or ability with 'limited

Re: [Emc-users] Questio on nor's & nand's

2014-08-14 Thread Jack Coats
In an old college class, they did a proof that it takes a nor or nand to generate a 'complete logic system'. Meaning you can build all the various logic functions from either of those forms. It is not possible to generate them from and or or logic. The inverter is the only thing that is needed t

Re: [Emc-users] .stl files

2007-01-12 Thread Jack Coats
First, I know I know not from where I speak, but please correct me: g-code - basically a tool path file. this I understand. postscript - basically a page layout using vectors, and some shapes. stl - a real 3D file that can be used to define solids but as triangles. I have been reading the REPRAP

Re: [Emc-users] Stepconf Wizard

2008-10-28 Thread Jack Coats
The HobbyCNC controller I have requires setting a jumper on the board for the level of microstepping. I "ASSUME" all do. John Thornton wrote: > On 27 Oct 2008 at 12:35, BRIAN GLACKIN wrote: > > > >> Time and a z axis sleep issue with my Hobbycnc board kept me from >> doing much cutting. Sin

Re: [Emc-users] Parallel port in the future - query

2008-10-30 Thread Jack Coats
As others have said, laptops have issues. Dumpster diving and using discards from offices is probably the cheapest way to support this habit :) Eventually, I see EMC2 going to a 'client server' model, taking the real time portion and putting it in an external controller, like a pc/104 or even a

Re: [Emc-users] Parallel port in the future - query

2008-10-30 Thread Jack Coats
If you get a little brave, design a smaller case that is more appropriate. Wood is good! Put a good fan or two in it with filters, and keep a 'positive pressure' in the case. This will keep much of the dust/dirt/chips out. In the OLD days before the IBM PC was a dream in Boca Raton FL, a guy

Re: [Emc-users] Parallel port in the future - query

2008-10-31 Thread Jack Coats
I was just reading SERVO, and a guy is using one of the PicoITX boards. Low power consumption, small, and could do well, but I would like a board with 3 or 4 parallel ports available, even using a 'plug in board'. That would give all the expansion I could ever think of. But building a parallel p

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

2008-11-03 Thread Jack Coats
Yep, got the same t-shirt. But given a choice, I will use a non-M$ based products! tomp wrote: > Kent A. Reed wrote: > >> 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 >>

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

2008-11-04 Thread Jack Coats
I am guessing that Autocad probably has an internal version that does run well on 'nix. A couple of years before Oracle allowed anyone to run it on Linux, I ran into a developer/maintainer from Oracle. He had been running it without problems on Linux for about a year at the time. The only thi

[Emc-users] Jitter Test

2008-11-04 Thread Jack Coats
Can I run a valid test without having my CNC rig attached to the parallel port? I have a couple of different 'throw down' machines I want to test, but rather than dragging them both into my shop, it would be nice if I was able to see which is 'best' before doing that. -

Re: [Emc-users] Run Keystick Without X

2008-11-04 Thread Jack Coats
If you had another machine somewhere with a graphics display, even a Winders box running an X server, the X client (on the EMC) machine could display there. I think what you are asking is can you run without X at all? Someone else will have to answer that definitively, but I think it currently

[Emc-users] Homing

2008-11-05 Thread Jack Coats
I heard that Mach3 has a facility to 'home' an axis that has multiple stepper motors on it, designed for gantries with two motors on the X axis, where each leg of the gantry has a home switch. Ok, finally, the question. How can we do that with EMC2? A few hints how would be appreciated. TIA,

[Emc-users] Sound broke on Ubuntu 8.04LTS after installing EMC

2008-11-07 Thread Jack Coats
Yes, this is a little thing, but I am trying to get CAMBAM to work on the same machine, using wine and mono. But when I start cambam it whines that there is no sound device. I look in /dev and that is true. I boot from the Ubuntu 8.04LTS Live CD and it works fine. I have not burned and trie

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

2008-11-08 Thread Jack Coats
even just a place defined in the wiki, like a table, listing 'working setups' with their configuration, and encourage everyone, i.e. 'hobby' (small, medium and large), light industrial, and industrial level users to all submit 'what works' for them. Not saying that others don't. If someone has

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

2008-11-09 Thread Jack Coats
I can start it, I just don't know what 'columns' to put in. My rig isn't 'going' yet so I hesitate to put mine into 'what works' just yet. John Thornton wrote: > Anyone can add a wiki page... did you just volunteer? > > John > > On 8 Nov

Re: [Emc-users] rtai mission in action?

2008-11-12 Thread Jack Coats
Mybad, I got it figured out. PBSAK issue. Sorry for the extra traffic. > Being a rookie and trying to learn more about the RT Linux, I went to > the rtai.org web site, but can't get it. If it has moved or there is > some incantation I need, please let me know. > --

[Emc-users] rtai mission in action?

2008-11-12 Thread Jack Coats
Being a rookie and trying to learn more about the RT Linux, I went to the rtai.org web site, but can't get it. If it has moved or there is some incantation I need, please let me know. - This SF.Net email is sponsored by the

Re: [Emc-users] Pissed off

2008-11-16 Thread Jack Coats
Thank you Greg. A very eloquent response. ... Jack Greg Michalski wrote: > I don't normally pile one, typically I ignore the irrelevant messages. Hell, > I rarely even post unless I am fairly confident I have the answer to > someone's question. Normally I sit back, read and constantly learn

[Emc-users] Touch probe functionality

2008-11-16 Thread Jack Coats
I saw this question asked, but I never saw an answer. From what I have seen it looks like the ABILITY is there, but my understanding of HOW TO is a little weak. In my vision of a perfect world (yes, dreaming, again), it would be nice to issue a command, or run a routing where I could give it,

Re: [Emc-users] Touch probe functionality

2008-11-16 Thread Jack Coats
I hate answering my own messages, but I found what I wanted. I promise, I tried to look first before I posted, but life happens. There are samples in /usr/share/emc/ of .ngc files that deal with probes and logging data. like: gridprobe.ngc probe-hole.ngc smartprobe.ngc tool-length-probe.ngc

Re: [Emc-users] First try with Ted's Sample

2008-11-21 Thread Jack Coats
Is there still an issue with running with more than 1G of RAM? - This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand

Re: [Emc-users] First try with Ted's Sample

2008-11-21 Thread Jack Coats
know for sure that is what is happening here, but it might be something to try. I know Linux works with more than 1G, but RTAI might have an issue still. I hope this helps, Jack Alex Joni wrote: > If there is, I'd be happy to hear about it.. > > Regards, > Alex > > -

Re: [Emc-users] First try with Ted's Sample

2008-11-21 Thread Jack Coats
Thomas, Good. .. I am glad to know that it does work in >1G for sure! Thomas L Marshall wrote: > On Fri, 2008-11-21 at 16:10 -0600, Jack Coats wrote: > >> "it seems that during loading of the RTAI part something >> bad happens to the kernel (kernel oops), I also

Re: [Emc-users] Dedicated hardware for Real Time OS

2008-11-22 Thread Jack Coats
For a different approach... Open source controller hardware with attached display. Getting a stable real time environment are why ShopBotTools and FlashCutCNC both use USB attached controllers. This is where the sensors and motors are all attached. Control happens in the USB attached computer,

Re: [Emc-users] Dedicated hardware for Real Time OS

2008-11-22 Thread Jack Coats
er of 'hand-me-down' system available for a number of years. But before the source of 'good stuff' dries up, we need to figure out what to do. No action is required today. I was just wanting folks to start thinking about it, for when the 'no legacy port' days do e

Re: [Emc-users] Dedicated hardware for Real Time OS

2008-11-24 Thread Jack Coats
I checked out the various ITX cards, and they all have one flaw, video on board, and sometimes no parallel port, or way to put a 'bus' on them. Video, ethernet, parallel or other interface on-board makes for a non-optimum selection IMHO. Small size is nice, but being able to swap out a board w

Re: [Emc-users] general control thoughts

2008-11-27 Thread Jack Coats
I didn't read it all, but is that to be able to claim it is 'power link compatible' or follows the 'power link standard', or is it for anyone implementing something using similar concepts? I can understand if you use a patented technology or claim to be 'certified' by an organization that has n

Re: [Emc-users] Probing with a gimbled head.

2008-11-30 Thread Jack Coats
Ok, this is a bit out there, is it possible to have two heads, one with a IR reciever, one with a transmitter, and scan for the outside boundaries of your part to help define the envelope. Then scan the defined envelope with some extra space for 'slop' (ok, find a better technical term) to prob

Re: [Emc-users] two e-stop switches

2008-12-02 Thread Jack Coats
e-stop would be manual switches. Not limit switches. Stuart Stevenson wrote: > for the plus and minus limits? > > On Tue, Dec 2, 2008 at 3:10 PM, Len Shelton <[EMAIL PROTECTED]> wrote: > >> How do I configure hal to handle two e-stop switches on two different pins? >> >> >> >> Thanks, >> >>

Re: [Emc-users] limit/home switches on dual motor gantry

2008-12-05 Thread Jack Coats
I saw a sample config that does that. I seem to remember it is in /etc/emc2/sample-configs/stepper-gantry or similar. It isn't exactly what you want, but it should get you going down the right track! Dan Clarke wrote: > Hello, > > I am a new user of EMC and I am using it to control a 5'x10' CN

Re: [Emc-users] CNC Newbie Questions.

2008-12-12 Thread Jack Coats
Luke Scharf wrote: > John Kasunich wrote: >> I could go on and on... what about coolant? Metal cutting almost >> demands some form of coolant or cutting lube. Even if you are just >> hitting the work with a spritz of WD-40 every so often, it makes a >> mess that needs to be totally cleaned u

Re: [Emc-users] CNC Newbie Questions.

2008-12-12 Thread Jack Coats
Add in the motors/controller/power supply, it is about $1100 to 1200 plus shipping. Not to bad. Similar in cost to the others I mentioned earlier. Looks nice. It also looks more pre-assembled than the others. I am guessing it would get something going sooner! I agree, the Vectric software is

Re: [Emc-users] Gcode Newbie Question - repetitive part making

2008-12-14 Thread Jack Coats
You can grab a 'cheap' KVM from ebay, and a dumpster box to have a 'test system' on your desk. It may not be graceful, but if you can have the box in the workshop running, you can use VNC on your desktop inside to view what is going on there. I wouldn't really CUT anything with it that way, bu

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

2008-12-28 Thread Jack Coats
I have a friend who is 'netting' his farm. He is putting in about 3000' of fiber. This keeps away nasty ground loop problems. He has also set up proper router protocols between his terrestial wireless provider (about 5 miles away, line of site) and a Satellite internet provider, so 'internal

Re: [Emc-users] Is this list working?

2008-12-31 Thread Jack Coats
Yes, this mail list does work, Donnie. Donnie Timmons wrote: > I'm new and have made a request for some info and never received a reply. Is > this mail list work? > > Donnie > -- >

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

2009-01-03 Thread Jack Coats
http://sourceforge.net/projects/gerbertogcode Lester Caine wrote: > sam sokolik wrote: > >> This thread gives links to a few of the options. >> >> http://www.cnczone.com/forums/showthread.php?t=69394 >> > > The correct link for Mill PCBs is http://millpcbs.com ;) > > The only problem I hav

Re: [Emc-users] A wish - Closed Loop Steppers

2009-01-04 Thread Jack Coats
A closed loop stepper is not technically difficult. If you have a dual shaft stepper, put a Gray scale optical encoder (a two bit encoder would work, and 3 bit be more than sufficient I would think) on the 'non-business' end of the motor. Then have some of our magic EMC guru's add their 'mira

Re: [Emc-users] A wish - Closed Loop Steppers

2009-01-04 Thread Jack Coats
I think that is what the Oriental Motors Alpha steppers do (that may not be their 'official' name). Shopbot uses them in their 'alpha' series machines. It basically determines if steps are lost and compensates at some level. Roger wrote: > Stephen Wille Padnos writes: > > >> This is a fun

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

2009-01-04 Thread Jack Coats
http://stores.ebay.com/Wolfgang-Engineering This guy sells high end, inexpensive, engraving spindles. At this moment he isn't listing his normal items for some reason, but I have seen them (not used them) and they appear to be great for engraving/routing PC boards to me. He has optional DC motor

Re: [Emc-users] EMC paper

2009-05-09 Thread Jack Coats
same here please. IHS ... Jack On Sat, May 9, 2009 at 11:43 AM, Steve White wrote: > Hello, > >I would very much like to read it too. > > Thank you, > Steve > > Anders Wallin wrote: > > there's a new paper out on desktop parallel kinematic machines which > > uses EMC2 > > http://www.springe

Re: [Emc-users] Gear Tooth Profile

2009-05-11 Thread Jack Coats
I would like to make a rack that matches an involute gear. I guess we could just put in a radius of a 'very large' number, rather than infinity. The square root radical would evaluate to the square root of 2, but I don't know what I would use as the value of alpha. Suggestions? IHS ... Jack O

Re: [Emc-users] Decent CAM SW?

2009-05-11 Thread Jack Coats
I have started trying to use CAMBAM from www.cambam.co.uk They have a free version and a commercial version that is inexpensive. Still, I would love to find a complete open source solution. Personally I need to find a e-class to update my skills from drafting board and T-square to CAD and mouse.

Re: [Emc-users] Decent CAM SW?

2009-05-11 Thread Jack Coats
Hmmm, after looking at http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?Simple_EMC_G-Code_Generators it appears that it would be possible to write some python code to make involute gear generation part of EMC as a macro. I guess I should learn a little python. Using it inside EMC would be nice, but ge

Re: [Emc-users] TechShop

2009-05-17 Thread Jack Coats
I like their business model. Toys for rent in a club type arrangement. CNC routers, laser cutters, and other stuff including shared work space and private storage. But I am not sure many areas of the country are ready for this kind of thing. Kind of a garage shop on steroids. I think they may

Re: [Emc-users] almost for how helpful

2009-05-18 Thread Jack Coats
They have moved from electromechanical keys to effectively 'touch sensors', IMHO. I understand what you say about keyboards. The old IBM PC with a cast metal case for the keyboard and keys made by Cherry if I remember right probably had one of the best feels except for an IBM Selectric I used. Eve

Re: [Emc-users] TechShop

2009-05-18 Thread Jack Coats
In Nashville a non-open group called the Hackers Consortium, is a membership group. www.hackersconsortium.com ... it is modeled after the NY Resistor and the groups in europe that are membership based. To bad being retired it is a little out of my entertainment price range. (retired = unemployed,

Re: [Emc-users] Fest Pics (was Thanks, Stuart)

2009-05-27 Thread Jack Coats
http://www.emcsociety.org/EMCFest2009/EMCFest2009Pics.htm Try this... IHS ... Jack On Wed, May 27, 2009 at 12:30 AM, Greg Michalski < emc2usrl...@distinctperspectives.com> wrote: > > Jeff Epler wrote: > > > > On Tue, May 26, 2009 at 07:22:34PM -0700, John Lichter wrote: > > >I just wan to se

Re: [Emc-users] Fest Pics (was Thanks, Stuart)

2009-05-27 Thread Jack Coats
sorry, wrong EMC fest! IHS ... Jack On Wed, May 27, 2009 at 11:26 AM, Jack Coats wrote: > http://www.emcsociety.org/EMCFest2009/EMCFest2009Pics.htm > Try this... > IHS ... Jack -- Register Now for Creat

Re: [Emc-users] Mill-Drill needs steppers and servos?

2009-06-09 Thread Jack Coats
Everything is a bungee. Yep you are right. All things are relative, depends on the application. Is it 'enough' to matter? Depends on your application. I agree that as we approach the limits, the limits are more critical. Most of us are just trying to 'get-er-done', so working within 'practica

Re: [Emc-users] Mill-Drill needs steppers and servos?

2009-06-09 Thread Jack Coats
Andy thank you. ... Doug, I agree. The concept of what is 'practical' in one arena is not in another. A little home wood router is very much a different animal than a big CNC mill. So the concept of the solution is pretty much identical, but the fact of implementation is really different. I enjo

Re: [Emc-users] Mill-Drill needs steppers and servos?

2009-06-11 Thread Jack Coats
And even fewer know that rods and chains are legal units of measure either. It would be interesting to know the real reasons for the various units of measure as a historical tidbit. Much of that information seems to be lost to the general population. I grew up with imperial measures, but as metr

Re: [Emc-users] Metricks - Mill-Drill needs steppers and servos?

2009-06-11 Thread Jack Coats
IMHO, lots of the reason for not changing is personal convenience. People think they know what a 400HP engine in a car is like, or what 312cu in V8 is. Most don't, but they think they do. If it was really important to change, folks would. If it is just to keep some politician happy, ... lets jus

Re: [Emc-users] Metric?

2009-06-12 Thread Jack Coats
Would it also help if we did the same for time and went to a decimal clock with 10 hours per day and 100 minutes per hour, and 100 seconds per minute? (it would also be more accurate, 100,000 seconds per day versus 86,400, so the seconds would be smaller too!) Also time zones could be decimal, who

Re: [Emc-users] OpenGL on EMC2?

2009-06-18 Thread Jack Coats
I did a re-install without allowing the proprietary nVidia driver to be installed and it helped. ... Eventually I have determined I just need a newer machine. It may not be the elegant answer or the answer I wanted, but it works now. Another option I tried was not using Axis. Being a 'newbie' at

Re: [Emc-users] OpenGL on EMC2? + 7i43

2009-06-25 Thread Jack Coats
This is probably what you have tried anyway, but I had a similar problem in the past: I have had good luck doing an install from a 8.04 CD that is just ubuntu. Before doing any updates from the 'net', add the proper lines for EMC2 to the sources.list *http://linuxcnc.org/hardy/emc2-install.sh*

Re: [Emc-users] Ubuntu Version vs EMC2 Version.

2009-06-25 Thread Jack Coats
yes. Use only the LTS version, 6.06 only. *http://linuxcnc.org/dapper/emc2-install.sh* But I think that after downloading the program, edit this shell script to change the 2.2 to 2.3 before running it. Then follow the standard directions from http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?Install

Re: [Emc-users] some interesting results

2009-06-29 Thread Jack Coats
If you have a 'spare' machine and you are going to be updating several machines or images at home (or in the office), you might set up the 'spare' machine to run apt-cacher. It is 'neat', in that once it is initially set up, and you modify the sources.list in your 'client' machines, it automatical

Re: [Emc-users] Show Hidden Files and Directories????

2009-06-30 Thread Jack Coats
Depending on the editor, they make a 'backup' of a file with a tilde ( ~ ) appended to the file name. You don't have to delete them, unless you are running low on space or you are a little OCD :) IHS ... Jack On Tue, Jun 30, 2009 at 12:02 AM, wrote: > Hi > when i try to click on "Show Hidden

[Emc-users] Who has used Motion King stepper motors and/or controllers

2009-06-30 Thread Jack Coats
I am thinking of purchasing from MotionKing (a Chinese company) steppers and controllers: 34HS9801-G5 steppers (with 1:5 gear box) and possibly SM-80/82X controllers. Does anyone have any experience with these or similar? TIA ... Jack -

Re: [Emc-users] Show Hidden Files and Directories????

2009-06-30 Thread Jack Coats
Personally I like belts and suspenders :) ... Be out of other programs (like Axis) before you start... make a sub-directory, and move the files into it, just in case you must recover them. If all goes well, after a couple of days, delete the directory and contents. IHS ... Jack On Tue, Jun 30

Re: [Emc-users] Suitable transformers = hens teeth

2015-06-12 Thread Jack Coats
Yes Gene, there is no santa clause, especially when you are talking about copper. Just as a raw material it is pretty pricy. In the past I just got a couple of matched transformers 120VAC to whatever, and put the secondaries together. It makes a good isolation transformer when set up back to back

Re: [Emc-users] Question on grease fitting, required clearance around for gun access?

2015-06-19 Thread Jack Coats
If in the USA, check W.W.Grainger at Grainger.com - not cheap but they have 'stuff'. If you can't find it in the online catalog, call the nearest store and they can help find it. If you work for a big company, have a business card and they might be able to get you the 'big company' discount, if th

Re: [Emc-users] Screen ratio Q

2015-07-08 Thread Jack Coats
It 'should' auto detect, but you might need to reset either in the monitor or in your system values to display a 4x3. Right now I am running Linux Mint as my daily desktop but it is a Ubuntu derivative. I go to settings - display - and can check the resolution (and format 16:9 or 4:3) that I want

Re: [Emc-users] Screen ratio Q

2015-07-08 Thread Jack Coats
Gene, Go to the K Menu, then click on SYSTEM, then DESKTOP APPLET, and finally KRANDRTRAY. It may also be called "Screen Resize and Rotate." When you click the KRandRTray icon (mine is different here - look for the icon shown above), you will see a list of resolutions. You can apply any of these r

Re: [Emc-users] mailing list vs forum

2015-09-13 Thread Jack Coats
I use both. Forums occasionally, mainly when I am researching a specific set of topics, but the mail list is better day to day. To use a mail list effectively, staying engaged, at least reading, is important. Kind of it's own 'soap opera' format with continuing multiple thread stories going on.

Re: [Emc-users] CAD/CAM for LinuxCNC

2015-09-18 Thread Jack Coats
I went to a conference back before Oracle ran on Linux and ran on an Oracle admin/developer. He said he had been running Oracle on his desktop (remember those? right? ... well this was in the last millennium). He had been running oracle on his machine for personal hacking on it for over a year.

Re: [Emc-users] CAD/CAM for LinuxCNC

2015-09-18 Thread Jack Coats
I do like the idea of being architecture agnostic. My only issue with ANY cloud service provider, is you are just buying time/service on their computers. Remember Cloud just means: Someone elses computer. There is nothing magic or solid about them if your network connection (or theirs) goes out,

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