A
Andre
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I know any oil is better than no oil but I've read quite a bit on the properties of different oils and it's given me a bias against using "motor oil" on a machine tool. As I understand it, motor oil is designed to keep particulates suspended in the oil so that they can be carried to the filter. Having metal particles suspended in the oil is exactly opposite of what you want to have happen on the ways, gears, or any sliding components.
Granted, in a non-production environment the wear caused by this might not be discernible for a long time and it's still less wear than you would get from an absence of oil. On the other hand, you are still causing more wear to your machine than you would if you were to use the correct type and grade of oil that it was designed for.
JMHO with a bit of OCD :biggrin:
-Ron
Even if motor oil (new of course) on ways does suspend particles, how much different is that over proper way oil? I'm sure way oil will do the same thing.