Re: [Emc-users] OT - email recommendations

2011-01-24 Thread Jon Elson
Jon Elson wrote: > Well, the original problem was that Thunderbird wasn't working without > HUGE pauses in operation. But, now that I've build a new profile, it is > back to working fine. So, I think I will just stay with my own SMTP > server and Thunderbird. Sometime I will have to try out s

Re: [Emc-users] DIY BLDC Motors - FCM8201,2 and IRAMS

2011-01-24 Thread Przemek Klosowski
On Mon, Jan 24, 2011 at 11:21 PM, gene heskett wrote: > Why the clutch?  And its set so high that the cautious way he is driving, > that clutch will be 100% toasted in half an hour.  Don't those motors have > any starting torque at all? Precisely, they have max torque at stall but that comes fro

Re: [Emc-users] DIY BLDC Motors - FCM8201,2 and IRAMS

2011-01-24 Thread gene heskett
On Monday, January 24, 2011 11:00:38 pm cogoman did opine: > On 01/23/2011 02:14 PM, emc-users-requ...@lists.sourceforge.net wrote: > > Yes on the surface this looks like an esc project. However the fact > > > > > that it has multiple interfaces supported such as CAN, i2c, pwm and > > > serialm

Re: [Emc-users] DIY BLDC Motors - FCM8201,2 and IRAMS

2011-01-24 Thread cogoman
On 01/23/2011 02:14 PM, emc-users-requ...@lists.sourceforge.net wrote: > Yes on the surface this looks like an esc project. However the fact > > that it has multiple interfaces supported such as CAN, i2c, pwm and > > serialmean that it can certainly send and receive the sort of data you > > are

Re: [Emc-users] G-Code files needed

2011-01-24 Thread Neil Baylis
On Mon, Jan 24, 2011 at 4:11 PM, doug metzler wrote: > I cast my vote for Notepad++ :-) > > http://notepad-plus-plus.org/ > > DougM > > I happen to have a windows box, with notepad++. I know nothing about it's plugin architecture, but I'm sure I can find out. Let me take a look. Neil

Re: [Emc-users] G-Code files needed

2011-01-24 Thread doug metzler
I cast my vote for Notepad++ :-) http://notepad-plus-plus.org/ DougM On Mon, Jan 24, 2011 at 3:54 PM, Ed Nisley wrote: > On Sun, 2011-01-23 at 15:00 -0800, Neil Baylis wrote: > > If there's demand, I would consider other > > editors as well > > I'll put in a vote for KATE, the KDE editor. It a

Re: [Emc-users] G-Code files needed

2011-01-24 Thread Ed Nisley
On Sun, 2011-01-23 at 15:00 -0800, Neil Baylis wrote: > If there's demand, I would consider other > editors as well I'll put in a vote for KATE, the KDE editor. It already has G-Code highlighting, but, lacking EMC2's language features, it's pretty much useless. http://kate-editor.org/ -- Ed ht

Re: [Emc-users] Gladevcp problems

2011-01-24 Thread Steve Blackmore
On Mon, 24 Jan 2011 22:40:26 +, Steve Blackmore wrote: On Sat, 22 Jan 2011 09:55:28 -, John Prentice wrote: >EMC2 cloned from Master on 15 Jan onto a clean machine set up by Lucid >Live-CD EMC install in Autumn. Just a follow up to this, I've been exchanging emails off list with Michae

Re: [Emc-users] DIY BLDC Motors - FCM8201,2 and IRAMS

2011-01-24 Thread joachim.fra...@pibf.de
Jon Elson wrote: > > Also, a good brushless servo motor has minimal torque or velocity > ripple, even down to > extremely slow speeds. Certainly, a car alternator is not optimized for > smoothness at > low speeds. I get some used PMSM from auctions. Replacing the bearings gives them a second lif

Re: [Emc-users] DIY BLDC Motors - FCM8201,2 and IRAMS

2011-01-24 Thread Lars Andersson
> FWIW the alternator on my bike is a permanent magnet outrunner. > I am on the second one. > http://www.bodgesoc.org/OhDear.jpg > That is a more modern design than the car style alternator. Very similar to an R/C outrunner. The magnets in your alternator did not live up to their name: permanent.

Re: [Emc-users] DIY BLDC Motors - FCM8201,2 and IRAMS

2011-01-24 Thread andy pugh
On 24 January 2011 20:23, Lars Andersson wrote: > Also they are not strictly brushless. There are two brushes to get current > to the rotor. FWIW the alternator on my bike is a permanent magnet outrunner. I am on the second one… http://www.bodgesoc.org/OhDear.jpg No use as a servo though, becau

Re: [Emc-users] DIY BLDC Motors - FCM8201,2 and IRAMS

2011-01-24 Thread Lars Andersson
> My understanding is that these are _very_ inefficient as motors, let > alone as alternators. Common stator laminations are fairly thick, the > rotors don't have any laminations, so there are significant eddy > losses. > There is a reason these come fitted with a fan, which is another loss > itsel

Re: [Emc-users] DIY BLDC Motors - FCM8201,2 and IRAMS

2011-01-24 Thread Przemek Klosowski
On Sun, Jan 23, 2011 at 4:29 AM, Lars Andersson wrote: > I am just curious, in what application is it needed to know motor shaft > position to fractions of a degree even with constant and variable loads when > running at 2 rpm? They are talking about two separate modes: spindle control at hig

Re: [Emc-users] DIY BLDC Motors - FCM8201,2 and IRAMS

2011-01-24 Thread andy pugh
On 24 January 2011 17:53, Kirk Wallace wrote: > My understanding is that these are _very_ inefficient as motors, let > alone as alternators. One issue will be that to get anywhere near magnetic saturation (and hence full potential) you will need a current similar to the max output current of the

Re: [Emc-users] G-Code files needed

2011-01-24 Thread Neil Baylis
On Mon, Jan 24, 2011 at 9:39 AM, Stephen Wille Padnos wrote: > I haven't looked at that particular file, but I can point out a few > things that were "interesting" when making the gedit hilighter. (I > didn't do it, but I did help out somewhat in the form of IRC > conversations with the person wh

Re: [Emc-users] DIY BLDC Motors - FCM8201,2 and IRAMS

2011-01-24 Thread Kirk Wallace
On Mon, 2011-01-24 at 22:44 +1100, Erik Christiansen wrote: > On Sun, Jan 23, 2011 at 08:00:22AM -0500, gene heskett wrote: > > > > > I don't think this is the link you intended? This is to a pdf brochure > > describing only the encoder. > > Whoops! Here's the recycled alternator BLDC example t

Re: [Emc-users] DIY BLDC Motors - FCM8201,2 and IRAMS

2011-01-24 Thread andy pugh
On 24 January 2011 17:22, Jon Elson wrote: > Also, a good brushless servo motor has minimal torque or velocity > ripple, even down to > extremely slow speeds.  Certainly, a car alternator is not optimized for > smoothness at > low speeds. Putting on my work hat, I think that they probably are op

Re: [Emc-users] G-Code files needed

2011-01-24 Thread Stephen Wille Padnos
Neil Baylis wrote: > On Mon, Jan 24, 2011 at 9:08 AM, Jack Coats wrote: > > >> http://www.cncgadgets.com/cncfree/Aztec-Mayan%20Calendar%20G-code.zip >> Has a freely available Aztec/Myan type Calendar. A bit over 11MBytes I am >> told. >> >> Is that sufficient? >> >> I found it by doing a Goog

Re: [Emc-users] G-Code files needed

2011-01-24 Thread Neil Baylis
On Mon, Jan 24, 2011 at 9:08 AM, Jack Coats wrote: > http://www.cncgadgets.com/cncfree/Aztec-Mayan%20Calendar%20G-code.zip > Has a freely available Aztec/Myan type Calendar. A bit over 11MBytes I am > told. > > Is that sufficient? > > I found it by doing a Google search for "aztec calendar g-cod

Re: [Emc-users] DIY BLDC Motors - FCM8201,2 and IRAMS

2011-01-24 Thread gene heskett
On Monday, January 24, 2011 12:18:11 pm Erik Christiansen did opine: > On Sun, Jan 23, 2011 at 08:00:22AM -0500, gene heskett wrote: > > I don't think this is the link you intended? This is to a pdf brochure > > describing only the encoder. > > Whoops! Here's the recycled alternator BLDC example

Re: [Emc-users] DIY BLDC Motors - FCM8201,2 and IRAMS

2011-01-24 Thread Jon Elson
Erik Christiansen wrote: > On Sun, Jan 23, 2011 at 08:00:22AM -0500, gene heskett wrote: > >> I don't think this is the link you intended? This is to a pdf brochure >> describing only the encoder. >> > > Whoops! Here's the recycled alternator BLDC example that I had in mind: > http://www.y

Re: [Emc-users] G-Code files needed

2011-01-24 Thread Neil Baylis
On Mon, Jan 24, 2011 at 8:53 AM, andy pugh wrote: > On 24 January 2011 16:29, Neil Baylis wrote: > > > > here< > http://pixpopuli.blogspot.com/2011/01/syntax-highlighting-for-cnc-g-code.html > > > > I have a feeling that XYZABCUVW and F should possibly be treated as > "commands" and highlighted

Re: [Emc-users] G-Code files needed

2011-01-24 Thread Jack Coats
http://www.cncgadgets.com/cncfree/Aztec-Mayan%20Calendar%20G-code.zip Has a freely available Aztec/Myan type Calendar. A bit over 11MBytes I am told. Is that sufficient? I found it by doing a Google search for "aztec calendar g-code" and CNCZone where I found this link a is free forum. ><> ...

Re: [Emc-users] G-Code files needed

2011-01-24 Thread andy pugh
On 24 January 2011 16:29, Neil Baylis wrote: > > here I have a feeling that XYZABCUVW and F should possibly be treated as "commands" and highlighted specifically. I am not at all sure how you would do that, though. --

Re: [Emc-users] G-Code files needed

2011-01-24 Thread Neil Baylis
On Sun, Jan 23, 2011 at 3:00 PM, Neil Baylis wrote: > On Sun, Jan 23, 2011 at 12:58 PM, Ed Nisley wrote: > >> On Sun, 2011-01-23 at 12:23 -0800, Neil Baylis wrote: >> > large or complex g-code files >> >> The programs I've been writing for my Along the G-Code Way columns in >> Digital Machinist a

Re: [Emc-users] DIY BLDC Motors - FCM8201,2 and IRAMS

2011-01-24 Thread Erik Christiansen
On Sun, Jan 23, 2011 at 08:00:22AM -0500, gene heskett wrote: > > > I don't think this is the link you intended? This is to a pdf brochure > describing only the encoder. Whoops! Here's the recycled alternator BLDC example that I had in mind: http://www.youtube.com/watch?v=Tu-ia7GylO0 There are