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Planetary Mill

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Planetary Mill

High-Energy Planetary Mill

The Spex 8200 Planetary Mill grinds samples with a mechanical motion, rotating the jar in one direction while the platform (sun wheel) is rotated in the opposite direction. The mechanical milling is performed at a 2:1 ratio causing the container to rotate twice relative to every single rotation of the sun wheel. As the container is moved, the relative centrifugal force is transferred to the grinding balls causing them to move in a circular motion, into each other, and against the container wall, grinding the sample.

Typical applications: size reduction, nanomilling, powder blending, emulsion, and slurry grinding.

Typical samples: rocks, minerals, sand, cement, slag, ceramics, glass, and pharmaceuticals.

Preparing Rock Samples with the 8200 Planetary Mill

Learn how the 8200 Planetary Mill is utilized in preparing rock samples. 


Watch Video For more videos click here
  • Features
  • Specifications
  • Accessories
  • Documents
  • Brochures
  • Ergonomic design makes loading a grinding jar into the mill easy
  • Programmable touch screen interface capable of storing up to 10 run protocols
  • Unique, easy-to-operate jar clamping system
  • Single grinding station for one 250 mL or one 500 mL grinding jar
Speed Adjustable range: 300 to 600 rpm
Voltage 115 V/60 Hz or 230 V/50 Hz
CE Approved Yes
Dimensions 22 in (56 cm) H x 27.5 in (70 cm) W x 19 in (48.3 cm) D
Net Weight 250 lb (113 kg) (empty, without jar)
Motor 1.50 HP, maximum speed 3500 rpm, maximum power 220 V
Power Cord 3-prong grounded plug 115 V/60 Hz or 2-prong European cord for 230 V/50 Hz