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T: 514-354-2511
T: 1 800 463-4363
F: 514-354-6948
Ball Mill | Planetary Ball Mil

Ball Mill | Planetary Ball Mil

Product Code:PM 400

Need more Info? (514) 354-2511 - 1-800-463-4363

Planetary Ball Mills are used wherever the highest degree of fineness is required. Apart from the classical mixing and size reduction processes, the mills also meet all the technical requirements for colloidal grinding and have the energy input necessary for mechanical alloying processes. The extremely high centrifugal forces of the Planetary Ball Mills result in very high pulverization energy and therefore short grinding times.

The PM 400 is a robust floor model with 4 grinding stations.

  • Extreme speed, final fineness down to the nano range
  • Reproducible results due to energy and speed control
  • 1-button operation with graphics display
  • 10 parameter combinations can be stored
  • Smooth and stable operation
  • Automatic grinding chamber ventilation
  • Suitable for long-term trials and continuous use
  • The robust floor model features four grinding
The robust floor model features four grinding stations and accepts jars from 12 ml to 500 ml. It can process up to 8 samples simultaneously thus generating a high sample throughput. The PM 400 is also available with 2 grinding stations and different speed ratios. The model “MA-type” was especially developed for mechanical alloying of hard-brittle materials.


Application Example

alloys, bentonite, bones, carbon fibres, catalysts, cellulose, cement clinker, ceramics, charcoal, chemical products, clay minerals, coal, coke, compost, concrete, electronic scrap, fibres, glass, gypsum, hair, hydroxyapatite, iron ore, kaolin, limestone, metal oxides, minerals, ores, paints and lacquers, paper, pigments, plant materials, polymers, quartz, seeds...


Product Advantages
  • powerful and quick grinding down to nano range
  • comfortable parameter setting via display and ergonomic 1-button operation
  • automatic grinding chamber ventilation
  • 10 SOPs can be stored
  • programmable starting time
  • power failure backup ensures storage of remaining grinding time
  • reproducible results due to energy and speed control
  • suitable for long-term trials and continuous use
  • 2 different grinding modes (dry and wet)
  • optional pressure and temperature measuring system PM GrindControl
  • measurement of energy input
  • wide range of materials for contamination free grinding
  • Safety Slider for safe operation


Applications pulverizing, mixing, homogenizing, colloidal milling, mechanical alloying
Field of application agriculture, biology, chemistry / plastics, construction materials, engineering / electronics, environment / recycling, geology / metallurgy, glass / ceramics, medicine / pharmaceuticals
Feed material soft, hard, brittle, fibrous - dry or wet
Size reduction principle impact, friction
Material feed size* < 10 mm
Final fineness* < 1 µm, for colloidal grinding < 0.1 µm
Batch size / feed quantity* max. 4 x 220 ml, max. 8 x 20ml with stacked grinding jars
No. of grinding stations 4 / 2
Speed ratio 1:-2 / 1:-2.5 / 1:-3
Sun wheel speed 30 - 400 min-1
Effective sun wheel diameter 300 mm
G-force 26.8 g
Type of grinding jars "comfort", optional areation covers, safety closure devices
Material of grinding tools hardened steel, stainless steel, tungsten carbide, agate, sintered aluminium oxide, zirconium oxide
Grinding jar sizes 12 ml / 25 ml / 50 ml / 80 ml / 125 ml / 250 ml / 500 ml
Setting of grinding time digital, 00:00:01 to 99:59:59
Interval operation yes, with direction reversal
Interval time 00:00:01 to 99:59:59
Pause time 00:00:01 to 99:59:59
Storable SOPs 10
Measurement of input energy possible yes
Interface RS 232 / RS 485
Drive 3-phase asynchronous motor with frequency converter
Drive power 1.5 kW
Electrical supply data different voltages
Power connection 1-phase
Protection code IP 30
Power consumption ~ 2100 W (VA)
W x H x D closed 836 x 1220 (1900) x 780 mm
Net weight ~ 290 kg
Documentation Operation & Application Video
Standards CE
Patent / Utility patent SafetySlider (UP - DE 202008008473)
* Depending on feed material and instrument configuration/settings


Function Principle
The grinding jars are arranged eccentrically on the sun wheel of the planetary ball mill. The direction of movement of the sun wheel is opposite to that of the grinding jars in the ratio 1:-2 (or 1:-2.5 or 1:-3). The grinding balls in the grinding jars are subjected to superimposed rotational movements, the so-called Coriolis forces. The difference in speeds between the balls and grinding jars produces an interaction between frictional and impact forces, which releases high dynamic energies. The interplay between these forces produces the high and very effective degree of size reduction of the planetary ball mill.


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