Excessive foam
during cutting indicates that the cutting fluid cannot withstand the
machine's flushing pressure. In
addition
to foaming, prolonged use of the cutting fluid can lead to emulsion
breakdown, resulting in poor machining, reduced functionality of the
cutting fluid, foul odor, and other issues. Therefore, it is
recommended to use a cutting fluid with good anti-foaming properties
(e.g., MCM HS series products can withstand 50-100 bar flushing
pressure).