Re: Rambling hydraulic post that was: Multiple syncronized spindle question.

Subject: Re: Rambling hydraulic post that was: Multiple syncronized spindle question.
From: Jon Elson <elson-at-pico-systems.com>
Date: Fri, 27 Sep 2002 22:53:32 -0500
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References: <LGEOIOEEKEKAKKMPNGBPMEAOCGAA.eek105-at-psu.edu> <001101c2663a$d69328e0$e05ee53f-at-wh1.tudresden.de> <200209272213.g8RMDu56026186-at-btc1.up.net>
Sender: elson

Ray Henry wrote:

> Hi Howard
>
> As a matter of fact, there is thermal compensation built into the EMC
> code someplace.  I am not certain where it is and whether it can be
> tapped to do more than the length of an axis but it is in there.

That would probably be thermal compensation of the machine's
expansion, commonly done on the spindle because they really can get hot.

He was talking about changing the servo loop's parameters as the hydraulic
oil
warmed up and became less viscous, I think.

Jon

Follow-Ups:
- Re: Rambling hydraulic post that was: Multiple syncronized spindle question.
  - From: "Howard Bailey" <bogmstr-at-infomagic.net>

References:
- RE: Rambling hydraulic post that was: Multiple syncronized spindle question.
  - From: "Eric Keller" <eek105-at-psu.edu>
- Re: Rambling hydraulic post that was: Multiple syncronized spindle question.
  - From: "Howard Bailey" <bogmstr-at-infomagic.net>
- Re: Rambling hydraulic post that was: Multiple syncronized spindle question.
  - From: Ray Henry <rehenry-at-up.net>

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