You are seeing pretty much exactly the same issues that I was having 
with both of my machines, you have the A2100 control, and that was the 
fault that I was getting on my machine, before I replaced the cables.

That is definitely physical damage on the X axis cable, but the damage I 
am talking about is not visible,( someone step in if I botch this up) 
the insulation "breaks" down electrically, and as I take it, the drive 
senses this somehow, and shuts down. On our machine with the 850SX, we 
always saw X axis faults, when it was the Y or the Z being the fault, 
reason being, due to how the drive ready chain of logic in the drives 
was wired, it always saw the X drive as being faulted first.

Your machine is a carbon copy of my Sabre, in respect to drives and 
controls.

Rick


On 2/26/2016 2:09 PM, Forum Deswysen wrote:
> I asked for your help because I had an axis error "CR_AXES_RDY"
> that caused the shutdown of the machine:
> https://drive.google.com/open?id=0B5hmBjm5ot8NSFlVNFZ6OFFpOGc
>
> Before we heard creaking on the screw axis Z ???
> Therefore first I thought of a default of the screw.
> It's not that.
>
> The servo failure comes and disappears after several cycles of the machine
> ...
>
> Today for the re-started I removed the C3 logic supply connector on the
> drive X:
> https://drive.google.com/open?id=0B5hmBjm5ot8NenExalJrM09ienc
>
> I do not understand where this intermittent failure?
>
> I want to know before purchasing new engines for linuxcnc
>
> 2016-02-26 19:59 GMT+01:00 Rick Lair <r...@superiorroll.com>:
>
>> What error are you getting on the control, what is the machine actually
>> doing?
>>
>> I have the Sabre 750 which is a 1995 and has the A2100 control, and we
>> also have a Lancer 1250 with the 850SX control, which is from 1996, the
>> Sabre has the Kollmorgen drive package, and the Lancer has the Red Cap
>> Fanuc drive package. On both machines I have had to replace all of the
>> servo motor power cables due to the wire insulation breaking down
>> internally, constant servo drive failures, ON BOTH MACHINES,  I had all
>> the kollmorgen drives gone through, ( the problem started on the
>> kollmorgens, then it started on the Fanucs) thinking that those were the
>> problem, before I got my insulation resistance tester out and checked
>> the cables, sure enough the cables were bad, and I ordered an entire
>> spool of cable and replaced all of them.
>>
>> Have not had a single problem in over 2 1/2 years with either machine
>> since I did that.
>>
>> Rick
>>
>>
>> On 2/26/2016 1:46 PM, Forum Deswysen wrote:
>>> I'm going to do tests with a comparator in the motor spindle.
>>> Perfect, I no difference.
>>> So all is well with the ball screw !!!
>>>
>>> https://drive.google.com/open?id=0B5hmBjm5ot8NNGdkYmo4WHRSSXM
>>> https://drive.google.com/open?id=0B5hmBjm5ot8NanpxT1hzaGxsYTg
>>> https://drive.google.com/open?id=0B5hmBjm5ot8Nb2s5RmxyN2xMUm8
>>>
>>> The tolerance in the screw maybe just engine braking since the machine
>>> was stopped
>>> and the head placed on its transport support.
>>>
>>> Where does my axis error ???
>>> This is an intermittent fault
>>> Not happy with this because I failed I could not complete an order for a
>>> customer!
>>> I had to do the subcontract.
>>>
>>> 2016-02-26 17:45 GMT+01:00 Rick Lair <r...@superiorroll.com>:
>>>
>>>> With about 95% certainty, all the milacron, lathes and machining
>>>> centers, the ball nuts all sit in and bolt to the mounting block ( we
>>>> have at least a dozen Cincinnati Milacron machines, mix of lathes and
>>>> mills, from 1978 to 1996, and they all have the same configuration, and
>>>> I have worked on all of them). Usually 4-6 bolts on both the block and
>>>> the nut cartridge.
>>>>
>>>> Rick
>>>>
>>>> On 2/26/2016 11:39 AM, Jon Elson wrote:
>>>>> On 02/26/2016 08:00 AM, Forum Deswysen wrote:
>>>>>> https://drive.google.com/open?id=0B5hmBjm5ot8NSDhCTmpsWkk3aVU
>>>>>>
>>>>>>
>>>>> This 3rd picture seems to show you indicating you can rock
>>>>> the screw forward/backward by 10 degrees.  This would seem
>>>>> to indicate wear and looseness in the ballnut, or possibly
>>>>> in the mounting of the nut.  it appears the block the nut
>>>>> sits in is NOT the actual ballnut, but a mount for it.  So,
>>>>> you might see if the ballnut is no longer firmly mounted
>>>>> inside that mount.  Some nuts are threaded on the outside,
>>>>> and screw into a threaded hole in the mounting block. Then,
>>>>> there needs to be something that locks the nut into the mount.
>>>>>
>>>>> Others are bolted to the mount.  These bolts could have
>>>>> loosened, possibly by stretching.  if loose, you might
>>>>> replace the bolts.
>>>>>
>>>>> Jon
>>>>>
>>>>>
>> ------------------------------------------------------------------------------
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>>>> --
>>>>
>>>> Thanks
>>>>
>>>>
>>>> Rick Lair
>>>> Superior Roll & Turning LLC
>>>> 399 East Center Street
>>>> Petersburg MI, 49270
>>>> PH: 734-279-1831
>>>> FAX: 734-279-1166
>>>> www.superiorroll.com
>>>>
>>>>
>>>>
>>>>
>> ------------------------------------------------------------------------------
>>>> Site24x7 APM Insight: Get Deep Visibility into Application Performance
>>>> APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month
>>>> Monitor end-to-end web transactions and take corrective actions now
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>>>> _______________________________________________
>>>> Emc-users mailing list
>>>> Emc-users@lists.sourceforge.net
>>>> https://lists.sourceforge.net/lists/listinfo/emc-users
>>>>
>> ------------------------------------------------------------------------------
>>> Site24x7 APM Insight: Get Deep Visibility into Application Performance
>>> APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month
>>> Monitor end-to-end web transactions and take corrective actions now
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>>> Emc-users mailing list
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>> --
>>
>> Thanks
>>
>>
>> Rick Lair
>> Superior Roll & Turning LLC
>> 399 East Center Street
>> Petersburg MI, 49270
>> PH: 734-279-1831
>> FAX: 734-279-1166
>> www.superiorroll.com
>>
>>
>>
>> ------------------------------------------------------------------------------
>> Site24x7 APM Insight: Get Deep Visibility into Application Performance
>> APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month
>> Monitor end-to-end web transactions and take corrective actions now
>> Troubleshoot faster and improve end-user experience. Signup Now!
>> http://pubads.g.doubleclick.net/gampad/clk?id=272487151&iu=/4140
>> _______________________________________________
>> Emc-users mailing list
>> Emc-users@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/emc-users
>>
> ------------------------------------------------------------------------------
> Site24x7 APM Insight: Get Deep Visibility into Application Performance
> APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month
> Monitor end-to-end web transactions and take corrective actions now
> Troubleshoot faster and improve end-user experience. Signup Now!
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-- 

Thanks


Rick Lair
Superior Roll & Turning LLC
399 East Center Street
Petersburg MI, 49270
PH: 734-279-1831
FAX: 734-279-1166
www.superiorroll.com


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