On Aug 28, 10:00*pm, Larry Jaques
wrote:
On Sat, 28 Aug 2010 19:45:53 -0500, Karl Townsend





wrote:
On Sat, 28 Aug 2010 19:31:16 -0500, Ignoramus5734
wrote:

Since yesterday, I had the Z axis behaving very weirdly, suddenly lots
of chatter and vibration, extremely erratic behavior, then no motion
at all, then some motion etc.

Attempting to diagnose it (isolate the issue) pointed to a servo drive.

Since I have several additional drives on the shelf (they were cheap),
I swapped one for another. Now the Z axis is back to working. I opened
up the drive that I relpaced and saw one chip blackened.

Not sure what to make of this.

i

The secret to lektrik stuff is magic smoke. If you let it out, it
don't work no more.

Buy another on the bay.

It's no longer available via eBay. *Here is another source:http://www.mez.co.uk/lucas.html

--
If we attend continually and promptly to the little that we can do,
we shall ere long be surprised to find how little remains that we
cannot do. * * * * * * * * * * * * * * * * * * * *-- Samuel Butler- Hide quoted text -

- Show quoted text -

Good one. I used to earn my living working on british bikes, trying to
keep the smoke in.