Finegrain
Diamond
- Joined
- Sep 6, 2007
- Location
- Seattle, Washington
Hi guys,
Back in September the coolant in my CNC mill split -- the oil all separated from the water. Company tested the water and it was OK for PH and hardness, so they have no clear reason why it split. I have heard some anecdotal evidence that plastics, specifically acetal/Delrin, can contaminate coolant such that the oil de-emulsifies. I have gone through a lot of acetal this year, and was running coolant since most of the volume removed was in deep pockets that I needed to keep flushed out.
Anybody else run into this?
Thanks, and regards.
Mike
Back in September the coolant in my CNC mill split -- the oil all separated from the water. Company tested the water and it was OK for PH and hardness, so they have no clear reason why it split. I have heard some anecdotal evidence that plastics, specifically acetal/Delrin, can contaminate coolant such that the oil de-emulsifies. I have gone through a lot of acetal this year, and was running coolant since most of the volume removed was in deep pockets that I needed to keep flushed out.
Anybody else run into this?
Thanks, and regards.
Mike