On 3/21/2011 4:37 PM, Ignoramus1419 wrote:
On 2011-03-21, Bob La wrote:
So purely as an intellectual exercise... assume that water is 100% not
available in any form. What would you use as a cutting
coolant/lubricant for milling aluminum.

As far as I know, you have two options:

1) Vegetable oil based mist cooling, which you may not like for many
reasons.

2) A blast of cold air.

Both have powerful negatives. Mist coolant settles on everything in the
shop and also spreads chips everywhere. Blast of cold air spreads
chips everywhere.

i

Cold air will scatter the chips out of the way, but won't do anything
for surface finish quality?

MikeB