Keller Lufttechnik GmbH + Co. KG

- Coolant and Oil Mist Separator for Cooling Lubricant Aerosols



Further product development presents new challenges. Because of additional developments in metal machining processes using non-water-soluble coolants, the requirements for coolants and their treatment are continuously expanding. Higher machining speeds, higher coolant pressure (100 bar and more) and heavy-duty oils with low viscosity require new, innovative solutions as well, in the field of extraction technology. For example multi-spindle processing, grinding, milling (rough grinding) and deep-hole drilling are included in the critical machining processes where micro-aerosols are created. The very finest coolant aerosols in the range of 0.4 µm cannot be separated with conventional technology.

The new high-performance coolant and oil mist separator AERO offers credible solutions
The AERO is equipped with reusable demisters for the pre-separation of chips and coarse particles, they also direct the incoming air towards the filter elements (MICOS-P – new round filter element from Keller Lufttechnik). They consist of fine material and provide an extraordinary high filtration efficiency (98,7%).

Because of its single-stage filtration the AERO features a compact design. Of particular importance is not only the highly efficient separation of finest aerosols but also removal of substances by the new filter element for trouble-free draining of the separated coolant. This ensures continuous operation of the separator thereby ensuring an uninterrupted manufacturing process.

Health hazards, environmental risks and operating costs are minimized when using this new high-performance coolant and oil mist separator.

The original prototypes are already in operation at well-known automotive manufacturers and several local machine manufacturers – with more than satisfactory success. Sales of this new technology are now growing at Keller Lufttechnik. 

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