Re: [SherlineCNC] DON'T use automotive motor oil
- Folks have been using Mobil 1 10 wt in sleeve bearing headstocks on
South Bend lathes for years with no problems. I use 10 and 30 wt. Non
Detergent (ND) typically, but unless you have a oil filled gearbox the
detergent doesn't matter. It actually helps keep crud in suspension for
use with pressure lubricated systems with oil filters (AKA just about
every car engine made in the last 60 years or more). In total loss
systems the oil and crud both just drip off.
Neither my mill nor any of the lathes show any signs of finish damage
from any of the oils I've used over the years.
ND oils at farm supply places isn't as cheap as it used to be, these
days it's more expensive than normal motor oils.
On 11/26/2012 11:12 AM, EngFromSantaClara wrote:
> Auto motor oil contains DETERGENTS to remove carbon from cylinders and other parts inside the engine! This will ruin the finish on your machines.
> Use #2 Way oil for the heavier oil and air tool oil for the lighter oil.
> #2 Way oil is available at Enco (and many other places like Home Depot), and the air tool oil is available in most hardware stores.