[Emc-users] (no subject)

2012-04-08 Thread Geoff Roehm
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Re: [Emc-users] LinuxCNC: The new name of the Enhanced Machine Controller

2012-01-17 Thread Geoff
On Wed, 18 Jan 2012 01:16:13 pm Chris Radek wrote:
 In the spring of 2011, the LinuxCNC Board of Directors was contacted
 by a law firm representing EMC Corporation (www.emc.com) about the use
 of EMC and EMC2 to identify the software offered on linuxcnc.org.
 EMC Corporation has registered various trademarks relating to EMC and
 EMC^2 (EMC with superscripted numeral two).

 After a number of conversations with the representative of EMC
 Corporation, the final result is that, starting with the next major
 release of the software, linuxcnc.org will stop identifying the
 software using emc or EMC, or those terms followed by digits.  To
 the extent that the LinuxCNC Board of Directors controls the names
 used to identify the software offered on linuxcnc.org, the board has
 agreed to this.


This could get interesting. I just did a company search for companies named 
EMC here in Australia. There are 3 named EMC or a variation of that. There 
are 108 entries containing the word EMC. I;'d love to see results from Europe 
and Japan et al.

Cheers, Geoff.

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Re: [Emc-users] I need advise on how to configure EMC2 PID servo to control RPM.

2011-02-04 Thread Geoff
On Sat, 5 Feb 2011 08:34:29 am Dave wrote:
 On 2/4/2011 3:36 PM, andy pugh wrote:
  On 4 February 2011 19:59, Davee...@dc9.tzo.com  wrote:
  Idling diesels without a load causes problems sometimes I understand.
 
  They always have some load, even if it is just internal friction.
 
  We leave diesel cars idling for hours (and, once, by mistake, over the
  weekend) with no ill effects.

 Andy, true but you work on those new fangled diesels controlled by
 computers...You know, the ones we can't get in the states.   :-(

 The old diesels with mechanical fuel injection didn't control the fuel
 nearly as well as the new computer controlled engines, hence the wet
 stacking issues on some of them.

 I've heard of some of them slobbering so badly that diesel would run out
 the exhaust pipe joints.There can also be oil dilution issues.

 Dave
Snipped

The biggest problem I've seen with lightly loaded diesels is bore glazing. It 
usually manifests as low power under test. I have no idea how modern common 
rail engines behave. My (small) experience is with older military aircraft 
ground power units (28VDC at 1000 amps, giddy up!!).

Cheers, Geoff.

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Re: [Emc-users] Stepper configuration

2008-08-13 Thread Geoff
On Thursday 14 August 2008 03:23, Kirk Wallace wrote:

snipped

 Are there other CPU's that would better cater to realtime? Some sort of
 lean, fast RISC, not designed to cope with Windows upgrades.

There are a bunch out there, just look at the number of archs that debian is 
available for. It will take one of the gurus to tell which might handle 
realtime better? Right now my desk Linux box is a HP PA-RISC box, _very_ 
reliable and built like a brick outhouse :-).

Cheers, Geoff.

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Re: [Emc-users] Step Direction Timing Page

2008-05-02 Thread Geoff
On Saturday 03 May 2008 00:43, John Kasunich wrote:
 John Thornton wrote:
  I started a step and direction timing page on the wiki site. If anyone
  can add to it that would be great. I use the same format as the stepconf
  setup page so newbee's won't get confused nor will I...
 
  http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?Stepper_Drive_Timing
 
  John

 Excellent idea!  One of those duh, why didn't we do that a long time
 ago ones.

 Regards,

 John Kasunich
snipped

Hi Guys,
Does anybody have this kind of data for the step-direction drives that 
Oatley 
electronics sells? I have built a set and tested them rat's nest style with 
EMC. I am yet to integrate them with my mill. If all else fails i'll do it 
the hard way and post the data here.

Cheers, Geoff.

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