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Air cooled Spindle

Posted: Mon Nov 04, 2019 12:08 am
by nikonwalker
I have had my asteroid for 2 years now and no issues.
This weekend when changing a router bit I noticed the bottom of the spindle a bit hot , still works OK.
I havent changed the amount of use or even the material I machine.
Can the spindle over 2 years suck in stuff from the air and cause the overheating, I am just assuming its overheating as I have never felt it this hot , the top of the spindle stays normal , and the fan at the top is still turning.
Hope someone can help as I dont want to ruin the spindle.