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High Energy Ball Mill Emax

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High Energy Ball Mill Emax

(please order grinding jars and balls [up to 15 mm] separately)
20.510.0001Emax, 200–240 V, 50/60 Hz, High energy ball mill with 2 grinding stations
 

Screw-Lock grinding jars Emax

Selection help
Selection help
The Emax grinding jars are pressure tight up to 5 bar and suitable for dry and wet grinding. Thanks to the integrated safety closure, they safely enclose inert atmosphere, for example after the air in the jar was exchanged with inert gas through an aeration lid.

Screw-top grinding jars are dust- and air-tight which makes them suitable for dry, wet and cryogenic grinding. Moreover,

Always select a grinding jar size suitable for the sample volume (approx. 30% of the jar is filled with sample material). Grinding jars are provided in sizes ranging from 1.5 ml to 25 ml (not all sizes available in all materials).

The document “Grinding Jar Ball Charge” in the Downloads section provides details about usable volumes, maximum feed sizes and correct filling of the jars with grinding balls for dry and wet milling as well as cell disruption.

For efficient and contamination-free grinding processes the grinding jars are available in 4 different materials (no undesired abrasion).

The energy input increases with the density of a material. For pulverizing soft samples, materials with a low to medium density should be used, whereas for hard samples it is better to use high-density materials

Available materials:

  • Stainless steel (density 7.7 g/cm3; hardness ≤ 245 HB, medium abrasion resistance)
    typically used for pulverizing medium-hard to hard and brittle samples. 

  • Tungsten carbide (density 14.8 g/cm3; hardness 93.6 HRA; high abrasion resistance) 
    used for grinding very hard, brittle sample materials. By using tungsten carbide, contamination of the sample with iron is prevented.

  • Zirconium oxide (density 6.05 g/cm3; hardness 1250 HV, high abrasion resistance) ceramic material suitable for pulverizing medium-hard to hard and fibrous samples. It is typically used for heavy-metal-free grinding processes or applications which aim at ultrafine particle sizes.
 

Stainless steel

01.462.030550 ml
01.462.0313125 ml
 

Tungsten carbide

01.462.031750 ml
 

Zirconium oxide

01.462.031250 ml
01.462.0307125 ml
 

Accessories for grinding under inert atmosphere

Aeration lids for Emax grinding jars

01.107.0568Aeration lid for grinding jar 50 ml, stainless steel
01.107.0567Aeration lid for grinding jar 125 ml, stainless steel
01.107.0636Aeration lid for grinding jar 50 ml, tungsten carbide
01.107.0569Aeration lid for grinding jar 50 ml, zirconium oxide
01.107.0564Aeration lid for grinding jar 125 ml, zirconium oxide
 

Accessories for screw-lock grinding jars Emax

02.486.0051Jar wrench for grinding jars
05.114.0057O-ring for grinding jars 50 ml, 1 piece
05.114.0122O-ring for grinding jars 125 ml, 1 piece
 

Additional items Emax

03.362.0036Cooling lubricant, 100 ml
99.200.0029IQ/OQ Documentation for Emax
 

Pressure and temperature measuring system GrindControl

incl. lid with lid insert, sensors and transmitter, receiver, software, case, grinding jar, opening aid and cleaning accessories for Emax
22.782.0010GrindControl with Emax grinding jar 125 ml, stainless steel
22.782.0009GrindControl with Emax grinding jar 125 ml, zirconium oxide
 

Grinding balls

Selection help
Selection help
Grinding balls and grinding jars should always be selected from the same material.  Grinding balls are available in different diameters. The rule of thumb is: for efficient milling the ball should be at least 3 times larger than the largest particle in the sample. To avoid abrasion and wear it is essential to only use balls with identical diameter. The number of grinding balls depends on the jar volume used. The document “Grinding Jar Ball Charge” in the Downloads section provides details about usable volumes, maximum feed sizes and correct filling of the jars with grinding balls for dry and wet milling as well as cell disruption. For further information on materials please see the document “Material Analyses of Equipment & Accessories“ in the Downloads section.

Available materials:

  • Stainless steel (density 7.7 g/cm3; hardness ≤ 245 HB, medium abrasion resistance)
    typically used for pulverizing medium-hard to hard and brittle samples. 

  • Tungsten carbide (density 14.8 g/cm3; hardness 93.6 HRA; high abrasion resistance) 
    used for grinding very hard, brittle sample materials. By using tungsten carbide, contamination of the sample with iron is prevented.

  • Zirconium oxide (density 6.05 g/cm3; hardness 1250 HV, high abrasion resistance) ceramic material suitable for pulverizing medium-hard to hard and fibrous samples. It is typically used for heavy-metal-free grinding processes or applications which aim at ultrafine particle sizes.
 

Stainless steel

22.455.00102 mm Ø, 500 g (approx. 110 ml)
22.455.00113 mm Ø, 500 g (approx. 120 ml)
22.455.00023 mm Ø, 200 pieces (approx. 6 ml)
22.455.00014 mm Ø, 200 pieces (approx. 14 ml)
22.455.00035 mm Ø, 200 pieces (approx. 25 ml)
05.368.00345 mm Ø
05.368.00357 mm Ø
05.368.006310 mm Ø
05.368.003712 mm Ø
05.368.010915 mm Ø
 

Tungsten carbide

22.455.00063 mm Ø, 200 pieces (approx. 6 ml)
22.455.00054 mm Ø, 200 pieces (approx. 14 ml)
22.455.00045 mm Ø, 200 pieces (approx. 25 ml)
05.368.00385 mm Ø
05.368.00397 mm Ø
05.368.007110 mm Ø
05.368.004112 mm Ø
05.368.011015 mm Ø
 

Zirconium oxide

32.368.00050.1 mm Ø, 0.5 kg (approx. 135 ml)
32.368.00030.5 mm Ø, 0.5 kg (approx. 135 ml)
32.368.00041 mm Ø, 0.5 kg (approx. 135 ml)
05.368.00892 mm Ø, 0.5 kg (approx. 135 ml)
05.368.00903 mm Ø, 0.5 kg (approx. 140 ml)
05.368.01467 mm Ø
05.368.009410 mm Ø
05.368.009612 mm Ø
05.368.011315 mm Ø

Further information