On Thursday, December 1, 2016 at 11:30:48 PM UTC-5, Bob Engelhardt wrote:

This idea of putting oil on the stock is making less and less sense to
me. I'm beginning to think that it is done because it's always been done.

What makes sense is to put the oil on the tool before starting the cut.
Putting it on the tool during the cut _might_ work (if the oil could
somehow flow under the chip).

Bob

One of the things the oil does is cool the tool. So it makes sense even if it never gets to the cutting edge.

Dan