Re: [Emc-users] emc chess pawn part program

2009-09-02 Thread Rondal Nannie 
Gene  I ran a test and it is running at 380.4MHz.  (The Compaq 5185 only 
supports up to 348MB of Ram)   It seems slow. It wanted to update EMC with 406 
updates and now  that is updated. It probably needs a gravity check off the 
side of the table...? Thanks for the help  Ron

--- On Tue, 9/1/09, Gene Heskett  wrote:


From: Gene Heskett 
Subject: Re: [Emc-users] emc chess pawn part program
To: "Enhanced Machine Controller (EMC)" 
Date: Tuesday, September 1, 2009, 2:28 PM


On Tuesday 01 September 2009, Jake Anderson wrote:
>On 01/09/09 12:43, Rondal Nannie wrote:
>> Steve
>>       The computer is a compaq  252 MB ram 82% free , 32 bit file system,
>>  32 bit virtual memory,  disk compression not installed.  C drive
>> capacity 2.09 GB 117 mb free space,   D drive 970 MB free space Capacity
>> 1.85 GB.    The EMC is partioned in windows I believe.        Hope this
>> helps out  Rondal
>>
>> - Steve
>
>My gut feel for that is high end pentium 1 low end pentium 2
>
I share that feeling, Jake, but lets see what the below report says.

>If you type cat /proc/cpuinfo it will tell people much more about the
>system.
>Mainly the 2 lines they are after are
>model name
>and cpu MHz
>eg
>model name    : Intel(R) Core(TM)2 CPU          4400  @ 2.00GHz
>cpu MHz        : 2000.000
>
>
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Cheers, Gene
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soap, ballot, jury, and ammo. Please use in that order."
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All the evidence concerning the universe has not yet been collected,
so there's still hope.

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Re: [Emc-users] A couple of videos

2009-09-02 Thread Andy Pugh 
2009/8/31 Leslie Newell :

> This one is turning and threading a piece of stainless.
> 

It's nice to see one of those lathes with a new lease of life, they
are very nice machines.

I wonder if eBay 120464845266 would be any help for the drilling operation?

-- 
atp

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Re: [Emc-users] emc chess pawn part program

2009-09-02 Thread Gene Heskett 
On Wednesday 02 September 2009, Rondal Nannie wrote:
>Gene  I ran a test and it is running at 380.4MHz.  (The Compaq 5185 only
> supports up to 348MB of Ram)   It seems slow. It wanted to update EMC with
> 406 updates and now  that is updated. It probably needs a gravity check
> off the side of the table...? Thanks for the help  Ron
>
That is going to run emc ok, but is also, if using steppers, going to limit 
the speeds they can be run at.  The main thread needs to run at its set 
repeat rate, which on my machine is about 32 microseconds, but yours will be 
pretty well tapped out, with nothing left to run the gui, in (and I'm 
guessing) 100 microseconds, maybe even longer.

If you can scout the goodwill shops and locate an old HP with a 1ghz (or 
faster) athlon in it, that would help.  A lot.  384 megs is ok or has been 
for me.

But this will work to get your feet wet with.

To see where the limit is, start with a base thread of 15, which would be 
150 microseconds, and see how the mouse moves and how responsive the keyboard 
is.  If that seems to lock the machine up, it can't even go that fast.  If it 
feels normal, stop emc and reduce the base thread by 10% and retry running 
it.  When you hit the point of severe lag, add 25% so the machine feels alive 
again, and report back here what it is now set to.  From that we can 
calculate how fast it can run the motors smoothly.

Part of the problem is that when the machine can issue a step pulse every 200 
passes through the base thread loop, then from 200 to 199 for a speed up of 
the motor isn't a stretch for the motor to follow.  But if it needs to go 
from a step every other time through this base thread loop, to a step for 
every pass, then the motor cannot double its speed in that 1/1000th of a 
second and will usually stall.  That is a simplified explanation to be sure, 
but it serves to demonstrate the problem.

>--- On Tue, 9/1/09, Gene Heskett  wrote:
[...]

-- 
Cheers, Gene
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
The NRA is offering FREE Associate memberships to anyone who wants them.


The Dilithium Cyrstals need to be rotated.

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Re: [Emc-users] emc chess pawn part program

2009-09-02 Thread Jon Elson 
Rondal Nannie wrote:
> Gene  I ran a test and it is running at 380.4MHz.  (The Compaq 5185 only 
> supports up to 348MB of Ram)   It seems slow. It wanted to update EMC with 
> 406 updates and now  that is updated. It probably needs a gravity check off 
> the side of the table...? Thanks for the help  Ron
>
>   
If you are using software step generation, this is completely out the 
window.
You could run a servo system with a controller board badly with a 380 MHz
CPU, but even that is going to be very sluggish, due to the demands Axis 
creates
by doing the preview screen.  If you turn off the Axis preview screen (I 
don't
know how, but I think there is a key to switch to big numbers for the 
coordinates)
or use TkEMC or Mini as the GUI, you will help somewhat.

But, if using software generated steps (stepgen) then it is nearly 
hopelsss to use
such a slow computer.  The amount of memory is not a problem, I run most of
my systems with 256 MB.

Jon

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Re: [Emc-users] emc chess pawn part program

2009-09-02 Thread Jake Anderson 
On 03/09/09 02:10, Jon Elson wrote:
> Rondal Nannie wrote:
>
>> Gene  I ran a test and it is running at 380.4MHz.  (The Compaq 5185 only 
>> supports up to 348MB of Ram)   It seems slow. It wanted to update EMC with 
>> 406 updates and now  that is updated. It probably needs a gravity check off 
>> the side of the table...? Thanks for the help  Ron
>>
>>
>>  
> If you are using software step generation, this is completely out the
> window.
> You could run a servo system with a controller board badly with a 380 MHz
> CPU, but even that is going to be very sluggish, due to the demands Axis
> creates
> by doing the preview screen.  If you turn off the Axis preview screen (I
> don't
> know how, but I think there is a key to switch to big numbers for the
> coordinates)
> or use TkEMC or Mini as the GUI, you will help somewhat.
>
> But, if using software generated steps (stepgen) then it is nearly
> hopelsss to use
> such a slow computer.  The amount of memory is not a problem, I run most of
> my systems with 256 MB.
>
> Jon
>
I have found better machines on the side of the road in council cleanups.
Odds are they may need some TLC but swapping hdd's over will cure most ills.


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Re: [Emc-users] A couple of videos

2009-09-02 Thread Leslie Newell 
Hi Andy,

> It's nice to see one of those lathes with a new lease of life, they
> are very nice machines.
>   

Yes, they are good machines. I stripped off most of the enclosure as it 
is mainly used in manual mode for one-offs. The electronics now run on 
single phase, including the inverter which is powered from a 415V 
transformer. It makes the lights flicker a bit when it winds up to speed :-)

> I wonder if eBay 120464845266 would be any help for the drilling operation?
>   
My toolpost isn't compatible with Dixon holders. The machine came with a 
nice set of Dixon holders but a lot of my tooling was too big to fit so 
I fitted the tool post off my old Gate Rigidturn.

If I was doing a lot I would have put the drill in a tool holder but as 
I was only doing 8 I couldn't be bothered.

Les

>   

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Re: [Emc-users] emc chess pawn part program

2009-09-02 Thread Rondal Nannie 
I new it was time for that gravity check. I new it was slow but didnt know that 
slow. I will go out and get a faster machine. You say at least 1 gb processor? 
Can you think of  Anything else that I would need?  Thanks for the help.   Ron 

--- On Wed, 9/2/09, Jake Anderson  wrote:


From: Jake Anderson 
Subject: Re: [Emc-users] emc chess pawn part program
To: "Enhanced Machine Controller (EMC)" 
Date: Wednesday, September 2, 2009, 5:11 PM


On 03/09/09 02:10, Jon Elson wrote:
> Rondal Nannie wrote:
>    
>> Gene  I ran a test and it is running at 380.4MHz.  (The Compaq 5185 only 
>> supports up to 348MB of Ram)   It seems slow. It wanted to update EMC with 
>> 406 updates and now  that is updated. It probably needs a gravity check off 
>> the side of the table...? Thanks for the help  Ron
>>
>>
>>      
> If you are using software step generation, this is completely out the
> window.
> You could run a servo system with a controller board badly with a 380 MHz
> CPU, but even that is going to be very sluggish, due to the demands Axis
> creates
> by doing the preview screen.  If you turn off the Axis preview screen (I
> don't
> know how, but I think there is a key to switch to big numbers for the
> coordinates)
> or use TkEMC or Mini as the GUI, you will help somewhat.
>
> But, if using software generated steps (stepgen) then it is nearly
> hopelsss to use
> such a slow computer.  The amount of memory is not a problem, I run most of
> my systems with 256 MB.
>
> Jon
>    
I have found better machines on the side of the road in council cleanups.
Odds are they may need some TLC but swapping hdd's over will cure most ills.


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[Emc-users] Restoring system after HDD failure

2009-09-02 Thread Graham Allott 
Hi,

We've been running a Peddinghaus machine on EMC 2.1.5 for a couple of years. The
hard drive has now totally died (not recognised by BIOS) and I need to restore
the system from backup files - so...

I've installed 2.3, but am going back to 2.2.2 with Ubuntu 6.06 so the kernel
version and all files match the original install as closely as possible. Maybe
upgrade later once it's up and running again

I should be able to recompile the *.comp files from an old (matching the
original install) SVN set of files

It seems easy enough to work out where the ini files and nc_file configs go, by
viewing the (custom) startup scripts

The main issue I have is with the custom I/O board - there's a file
"hostmot-pedioA.bin" which is noted as "the right file", but I can't see where
to put it or if it needs anything doing with it. Most of the documentation I've
searched is for setting up the parallel port, 5i20's or similar, rather than a
custom board. 

There's no clues I can find in the scripts (it's not referred to in plain text
anywhere).. 

The guy who originally set this up did post to this list a few times, but I've
not found any relevant posts... Any ideas?


Graham

 


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