Shop Solutions
environment for coolant so that coolants will last at least one year guaranteed,” said Urban. JKI sustainable fi ltration systems feature a patented fi ve- stage process for handling coolant and chips that maintains clean coolant in the tanks all the time, separating out every- thing down to the smallest micron-sized fi nes. This process eliminates settling of solids and is sized to remove more dirt than can be introduced by the cutting process which results in consistent coolant clarity throughout the year. The fi rst two stages of fi ltration are similar to conventional offerings in which a hinge belt conveyor removes larger chips before sending coolant to a secondary self-cleaning 50/80 µm fi lter. Fines larger than 50/80 µm are continuously removed by means of a rotating stainless steel fi lter element and drag style conveyor. The fi nes are discharged into the same hopper with the larger chips from the hinge belt.
SumpAd_ManEng_5_14_Layout 1 4/8/14 6:02 PM Page 1
Here is where the JK system takes a different approach. The third stage of fi ltration pumps the coolant from the clean
side of the second stage 50/80 µm fi lter through a JK centrifu- gal separator which concentrates the remaining super fi nes into a low fl ow stream. “These fi nes range in size from sub 80 µm to below 10 µm and can be as much by volume as 30% of the stock removed from the part. These fi nes are what ac- cumulate as sludge in the tanks on convevtional systems and cause big problems for the process. Most of our clients show us quality graphs that spike like saw teeth and coincide with changing the coolant and cleaning the sumps on other brand systems,” said Urban.
The JK separator concentrates these fi nes into a low fl ow rate that feeds a high-capacity cartridge fi lter (fourth stage) which traps them and holds up to 2 cubic feet of sludge be- fore needing to be changed. This fi lter change frequency can vary from once every three weeks to once every three months depending on the type of operation. The coolant discharge from this fi lter is very clean typically <8ppm @10 µm, and is used to feed high pressure coolant through the tool.
Cleaners for Every Sump!
Eriez offers everything from drum top vacuums to 1,000 gallon dual tank sump cleaners to remove coolant, sludge and chips from your sump, then:
• Filter the sludge and chips from the coolant • Return the filtered coolant to the sump, or transports it for recycling or disposal
Fluid Recycling Selection Guide
See the whole line-up! visit
Hydroflow.Eriez.com
Sump Cleaners • Tramp Oil Removal • Coolant Recycling Systems 52
ManufacturingEngineeringMedia.com | May 2014
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