One obvious initial check would be a resistance check between each servo
motor phase to chassis ground, and then check for consistent resistance
values from phase to phase as an initial check of the servo motor's health.
This could also be an intermittent problem in the motor (dielectric
breakdown when hot or triggered by machine vibration), or more likely a
persistent or intermittent fault in the cable that connects the servo to
the servo drive. The connectors are also suspect so give them a good
look as well.
If you replace the cable, get the best flex rated cable you can find. I
use Igus cable that's rated for "continuous flex". McMaster-Carr sells
it by the foot. It's made for cable chain wireway that's in constant
motion in robots or CNC machine gantries.
Good luck!
Why can't Mondays be more like Fridays?
On 08/20/2018 05:26 PM, Todd Zuercher wrote:
Looks like I need to get a new servo drive ☹
https://postimg.cc/gallery/18e5wxmd4/
Other than being old, what would be the most probable cause of such a failure?
Todd Zuercher
P. Graham Dunn Inc.<http://www.pgrahamdunn.com/index.php>
630 Henry Street
Dalton, Ohio 44618
Phone: (330)828-2105ext. 2031
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