Equipment and components FRITSCH / Fritsch GmbH

Laboratory milling machines, jaw crushers, and particle size analyzers from FRITSCH / Fritsch GmbH deliver reproducible sample preparation and particle sizing.

PULVERISETTE 5, 6, and 7 planetary ball mills

Planetary ball mills from FRITSCH in the PULVERISETTE 5, 6, and 7 series deliver precision fine and colloidal grinding of hard, brittle, and moist materials. Opposed rotation of grinding bowls around a central sun wheel produces strong centrifugal fields reaching acceleration rates up to 95g.

Safe-Lock grinding bowls from 12 to 500 ml in agate, zirconia, and alloy steel
Main disk rotational speeds up to 1100 rpm for colloidal nanoscale processing
PULVERISETTE 7 premium line micro mills for rapid analytical sample handling
Grinding bowl seals, milling balls, and replacement fixtures sourced by part code

PULVERISETTE 1 Model I and II laboratory jaw crushers

Laboratory jaw crushers from FRITSCH in the PULVERISETTE 1 Model I and Model II configurations perform primary crushing of hard ores, minerals, rock, glass, and ceramics. The sample is reduced under pressure between fixed and moving jaws with stepless gap adjustment for target fineness.

Crushing jaws manufactured in manganese steel, tungsten carbide, and zirconia
Maximum feed size up to 95 mm with final discharge fineness below 1 millimeter
Eccentric drive movement ensures steady material throughput without heating
Supplying replacement fixed jaws, movable jaws, and lateral lining plates

PULVERISETTE 19 and 11 cutting and knife mills

Cutting mills in the PULVERISETTE 19 series and knife mills in the PULVERISETTE 11 range from FRITSCH handle fibrous, soft, elastic, and tough samples including plastics, plant tissue, and food products. Knife rotors produce clean shearing action preventing material buildup and thermal melting.

Adjustable rotor drive speeds from 300 to 3000 rpm match varying feed toughness
Interchangeable sieve cassettes with round and trapezoidal holes from 0.2 to 10 mm
PULVERISETTE 11 knife mills engineered for moist, oily, and fatty food materials
Replacement cutting blades, fixed counter knives, and sample recovery cyclones

PULVERISETTE 14 premium line high-speed rotor mills

Rotor mills in the FRITSCH PULVERISETTE 14 premium line and classic line execute rapid centrifugal impact grinding of medium-hard chemical compounds, pharmaceutical powders, and agricultural grains. Ribbed rotors accelerate sample fragments against calibrated perimeter sieve rings.

Rotor speeds adjustable between 6000 and 22000 rpm for ultrafine sample output
Stainless steel and pure titanium sieve rings with openings from 0.08 to 6 mm
Automated airflow cooling and cyclone separators protect delicate powders
Supplying 8-rib and 12-rib rotors, labyrinth seals, and grinding chambers

ANALYSETTE 22 NeXT and 28 laser particle size analyzers

Laser diffraction particle sizers in the FRITSCH ANALYSETTE 22 NeXT Micro and Nano series together with ANALYSETTE 28 dynamic image analyzers measure particle size distribution and morphology from 0.01 to 3800 µm across liquid dispersions and dry free-flowing powder streams.

Optical bench incorporates dual solid-state lasers and wide-angle photodetectors
Wet dispersion modules feature ultrasonic cavitation and adjustable pumping loops
Dry dispersing units equipped with vibratory feeders for delicate bulk powders
Supplying optical flow cells, lenses, peristaltic tubing, and ultrasonic baths

ANALYSETTE 3 vibratory sieve shakers and LABORETTE dividers

Vibratory sieve shakers in the FRITSCH ANALYSETTE 3 PRO and SPARTAN lines along with LABORETTE 27 rotary cone sample dividers and LABORETTE 24 vibratory feeders provide representative dry and wet sieving plus sample division of powders and suspensions with up to 99.9% repeatability.

Controlled 3D orbital sieving motion eliminates mesh blinding on fine fractions
Precision analytical sieves in 200 mm and 100 mm diameters per DIN ISO 3310-1
Rotary sample division up to 3000 dividing steps per minute for statistical truth
Supplying sieve stack tension rods, quick clamping locks, and feeder channels

Kinematics of planetary milling and centrifugal acceleration in PULVERISETTE systems

Laboratory planetary ball mills from FRITSCH in the PULVERISETTE 5, 6, and 7 series operate through synchronized planetary counter-rotation of grinding bowls and main sun wheels.

Centrifugal forces propel milling balls and material along bowl interior walls before launching them with extreme acceleration against opposing surfaces.

Acceleration levels reach up to ninety-five g, reducing geological minerals, metallic alloys, and ceramic crystals down to submicron and colloidal particle sizes. Gas-tight Safe-Lock bowls prevent seal blowouts during wet milling or under positive inert gas pressure atmospheres.

Primary crushing kinematics and jaw plate selection for PULVERISETTE 1 crushers

FRITSCH PULVERISETTE 1 Model I and Model II laboratory jaw crushers perform coarse reduction on feed chunks measuring up to Mohs hardness level eight. Grinding takes place within a tapered crushing chamber bounded by fixed and movable jaw plates actuated by heavy eccentric shafts.

Discharge gap settings adjust continuously with millimeter gradations, enabling rapid matching of downstream target grain fractions.

Replacement crushing jaws and side liners are manufactured from manganese steel, tungsten carbide, zirconium oxide, and heavy-metal-free steel to eliminate analytical contamination.

Rotary shearing technology and airflow sample cooling in PULVERISETTE 19 mills

Heavy-duty cutting mills in the FRITSCH PULVERISETTE 19 family and PULVERISETTE 11 homogenizers process fibrous, elastic, tough, and temperature-sensitive samples including plant tissues, polymers, and feeds.

Rotors equipped with V-shaped cutting blades turn up to three thousand revolutions per minute, producing continuous scissor-like shearing against stationary housing counter knives.

Interchangeable sieve inserts featuring round and trapezoidal apertures from 0.2 to 10 millimeters govern discharge particle dimensions. Integrating exhaust cyclone separators ensures cold airflow circulation across the cutting zone.

High-speed centrifugal impact pulverization in PULVERISETTE 14 rotor mills

High-speed rotor mills from FRITSCH in the PULVERISETTE 14 premium line execute rapid fine grinding on soft to medium-hard dry chemicals, pharmaceutical substances, and agricultural grains.

Twelve-ribbed rotors rotate up to twenty-two thousand revolutions per minute, generating peripheral impact velocities of one hundred eleven meters per second.

Samples undergo instantaneous pulverization through impact and shearing against perimeter sieve rings fabricated from stainless steel or pure titanium. Automated thermal monitoring and labyrinth seals isolate the drive motor from fine airborne dust particles.

Optical laser diffraction particle sizing and dispersion analysis in ANALYSETTE 22

Laser diffraction particle sizers in the FRITSCH ANALYSETTE 22 NeXT Micro and Nano product lines determine particle size distributions of powders and suspensions according to Fraunhofer and Mie optical theories.

The instrument optical bench integrates solid-state green and red lasers aligned with wide-angle photodiode matrices for comprehensive forward and backward scattering measurement.

Fluid dispersion units incorporate sealless centrifugal pumps and variable-power ultrasonic baths to deagglomerate sticky slurries. Flow cells featuring quartz optical windows endure harsh organic solvent media.

Three-dimensional vibratory sieving and statistical sample division with LABORETTE

Electromagnetic sieve shakers in the FRITSCH ANALYSETTE 3 PRO lineup generate controlled spatial sieving motion with regulated three-dimensional vibration vectors.

Optical amplitude sensors track vertical and horizontal oscillations continuously, preventing fine fraction blind spots across analytical meshes.

Representative sample preparation relies on LABORETTE 27 rotary cone dividers distributing bulk materials via spinning cone heads performing up to three thousand division steps per minute. Division accuracy exceeding 99.9 percent ensures representative data for downstream analytical testing.

FRITSCH / Fritsch GmbH and model names are trademarks of their respective owners and are used only to identify the equipment for which we source parts. SpareX is not an official dealer, distributor or representative of FRITSCH / Fritsch GmbH and is not affiliated with the trademark owner. Origin, documents and warranty are stated for each item in the quotation.