I use KL23H2100-30-4BM and after some time it get kind a hot about 50 degrees Celsius / 122 degrees Fahrenheit. Then I stop and take a breake and let them cool down.
So my question is how hot do normaly run your motors?
Runar Holm, Norway
www.maxmekker.com
They should be fine up to 80°C at least.
Gerry
Mach3 2010 Screenset
http://home.comcast.net/~cncwoodworker/2010.html
(Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)