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Pair of Tandem Grinding Attritors Used to Mill Nano-Sized Particles

Akron, Ohio. . .Union Process, Inc., known globally as a manufacturer of size reduction and dispersing equipment for a broad range of industrial applications, has produced a pair of dry grinding Attritors for a high-tech advanced materials company.

The 30SD and 50SD Attritors will work in tandem for this customer with one unit milling a dry powder for nano-sized particle reduction and then transferring the material to the other unit for complete and thorough dispersion and blending in a second stage wet process. The dry powder material created in the 30SD is transferred via dry powder pump into the 50SD for this two-stage process.

Both Attritors include a one-piece stainless steel tank cover with Meco shaft and a variable frequency drive that is housed in a NEMA 4X/12 wash down duty enclosure. An LCD operator interface module displays agitator RPM, motor AMPS and motor HP being used. The 50SD is powered by a 75 HP, TEFC inverter duty motor while the 30SD has a 40 HP motor.

The mills are also equipped with a specially designed process control timer package per the customer's request, which includes a process run timer, temperature warning and cut-off switch, as well as cooling water flow sensors.

Attritor is a registered trademark of Union Process, Inc.

Union Process is the inventor and developer of Attritor technology and manufactures wet and dry grinding mills as well as bead milling equipment.