Laboratory equipment

For the mechanical comminution and classification of solid materials a number of different machines are available for various purposes. They can be used for fundamental studies or as part of process chains and are also applied for sample preparation prior to material analysis.

© Fraunhofer Project Group IWKS

Jaw Crusher

 

PULVERISETTE 1, Fritsch

 

Areas of application:

Pre-crushing of very hard, hard, medium-hard, brittle materials, and abrasive materials; metal-free grinding is possible

 

Min. feed quantity: 20 ml

 

Max. throughput: 140 kg/h

 

Max. feed size: approx. 60 mm

 

Final fineness: 1 – 15 mm

© Fraunhofer Project Group IWKS

Speed Rotor Mill

 

PULVERISETTE 14, Fritsch

Areas of application:

Fine grinding of soft, medium-hard, brittle, fibrous, and temperature-sensitive materials

 

Min. feed quantity: 10 ml

 

Max. throughput: 5 l/h

 

Max. feed size: approx. 10 mm

 

Final fineness: 0,08 – 6 mm

© Fraunhofer Project Group IWKS

Cutting Mill Combination with Cyclone Separator

 

PULVERISETTE 25/19, Fritsch

Areas of application:

One or two stage cutting of soft, medium-hard, brittle, tough, and fibrous materials

 

Max. throughput: 60 l/h

 

Max. feed size: approx. 120 x 85 mm

 

Final fineness: 0,2 – 10 mm

© Fraunhofer Project Group IWKS

Planetary Ball Mill

 

PULVERISETTE 6, Fritsch

Areas of application:

Finest grinding of hard, medium-hard, soft, brittle, tough, and moist materials as well as mechanical alloying, mixing, and homogenisation

 

Feed quantity: 10 – 225 ml

 

Max. feed size: approx. 10 mm

 

Final fineness: < 1 µm (wet grinding)

© Fraunhofer Project Group IWKS

Mixer Mill

 

MM 400, Retsch

Areas of application:

Dry, wet or cryogenic milling of hard, medium-hard, soft, brittle, elastic, and fibrous materials as well as mixing and homogenisation

 

Max. feed quantity: 2 x 20 ml

 

Max. feed size: approx. 8 mm

 

Final fineness: approx. 5 µm

© Fraunhofer Project Group IWKS

Cryogenic Mill

 

6870D Freezer/Mill®, SPEX® SamplePrep

Areas of application:

Grinding and pulverisation of soft, flexible, tough, elastic, and temperature-sensitive materials

 

Grinding temperature: -196 °C (liquid nitrogen)

 

Feed quantity: 0,1 – 200 g

 

Max. feed size: approx. 25 mm

 

Final fineness: depending on grinding time and material

© Fraunhofer Project Group IWKS

Vibratory Sieve Shaker

 

AS 300 control, Retsch

Areas of application:

Separation, fractioning, and particle size determination of powders, bulk materials, and suspensions

 

Max. feed quantity: 6 kg

 

Max. sieve diameter: 315 mm

 

Max. number of fractions: 9 or 17

 

Mesh range: 20 µm – 40 mm

© Fraunhofer Project Group IWKS

Optical Particle Size Analysis

 

CAMSIZER®, Retsch Technology

Areas of application:

Optical determination of particle size and particle shape distributions of powders, granulates and bulk materials

 

Feed material: dry and free-flowing

 

Range of measurement: 30 µm – 30 mm

© Fraunhofer Project Group IWKS

Rotating Sample Divider

 

PT 100, Retsch

Areas of application:

Representative sampling and sample reduction of bulk materials

 

Max. feed quantity: 5000 ml

 

Max. feed size: 10 mm

 

Number of partial quantities: 8