b'Blaser SwisslubeFoam builds up in a metalworking operation.lubricate a tool, and foam might float chips andGoshen, New York. Now you are not just cutting fines that could be sucked into pumps and clogwith a coolant but cutting with coolant and air, them. Foam also contributes to chemical odorand that can wreak havoc on tool life.and mist problems. Foam becomes problematic when it thickens Foam may consist of large, unstable bubblesand has the consistency of shaving cream. This that break, dissipate quickly and cause little con- type of foam builds up until it overflows from a cern or smaller bubbles that do not break as read- coolant sump onto a floor.ily and could coalesce to create a blanket thatYou have a safety hazard where people can entrains coolant, according to a technical bulletinslip, Fecher said. Not to mention you then have about foam control from Cincinnati-based metal- a very expensive floor cleaner.working fluid manufacturer Cimcool Fluid Tech- He helps customers select or formulate the nology LLC. most appropriate MWF for an application and solve problems, such as excessive foaming. Bla-Creamy Cleaner ser Swisslube introduced Synergy 735, a clear, If you get a lot of entrained air or too muchenvironmentally friendly coolant that works even foam, then you will start to deliver the foamin challenging high-pressure applications where through the coolant delivery system onto thepressure can reach 138 bar (2,000 psi).tool, said Doug Fecher, senior applications engi- Investigating foaming problems can be a neer for MWF manufacturer Blaser Swisslube Inc.,challenge, Fecher said. The hardest and most ctemag.com/cteguide.com21MetalworkingFluids.indd 21 2/14/20 12:02 PM'