Rotor Mill

Impact & Screening Mills in a Single System
GRANUMILL® size reduction systems meet FDA SUPAC (Scale-Up and Post-Approval Changes) guidelines for both impact and screening mills, allowing for low-RPM screening of agglomerates in addition to high-speed impact milling. The mill’s versatile design combined with the new, removable containment option provides users with the flexibility to run a variety of processes for a range of applications on a single, cost-effective system.

Laboratory-scale units provide effective size reduction or de-agglomeration for small batches.

Mid-sized systems offer a range of options for larger batches intended for clinical trial or small-scale production.

Large scale systems for very large batches.

Milling Your Way
Several style interchangeable rotors are available. Each rotor is designed with the main impact surface or blade being oriented circumferentially at a set distance from the axis of rotation. Since this surface is a constant distance from the axis of rotation, all particles impact the blade on an area that is traveling at a constant tip speed. Unlike segmented mill rotor designs that impart particles with surfaces of varying tip speeds, the Fluid Air rotor design mills particles with a tighter particle size distribution due to the constant impact speed.

Flat Blade Rotors – Used for impacting and shattering particles
Round Blade Rotors – Gentle impact particles and are perfect for delumping or mill milling materials
Knife Blade Rotors – Are used for shearing, dividing or otherwise cutting particles