Retsch Cutting Mill SM 400

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SKU Voltage Weight (In Grams) Price (excluding VAT) Availability Qty To Purchase
Retsch Cutting Mill SM 400 21.010.0001 3x400 V, 50 Hz, knife set hardened steel 0 £22850.00 Usually Shipped in 4-6 Weeks Contact Us for Exact Information
Retsch Cutting Mill SM 400 21.010.0002 3x400 V, 50 Hz, knife set tungsten carbide 0 £25380.00 Usually Shipped in 4-6 Weeks Contact Us for Exact Information

Cutting mills are used for the grinding of soft, medium-hard, tough, elastic, fibrous, and heterogeneous mixes of products. The Cutting Mill SM 400 is suitable for primary cutting of large sample pieces measuring up to 170 x 220 mm but can also achieve the required final fineness in one step, depending on the application. 

  • Powerful size reduction thanks to 3 kW drive
  • Suitable for heat-sensitive materials
  • Quick and easy cleaning due to fold-back hopper and smooth surfaces
  • Defined final fineness due to bottom sieves with aperture sizes from 1 to 20 mm
With a grinding chamber volume of 7.5 L, the mill is suitable for initial feed sizes of up to 170 mm x 220 mm. Where smaller models require several processing steps, the SM 400 accepts large volumes for thorough homogenization in one working run. Manual pre-cutting of samples is usually not required.

The large open surface of the 240 mm x 240 mm bottom sieve and the wide opening of the hopper are further features allowing for high throughput. The collection receptacle covers 5 l. If the optionally available continuous gravity outlet is used, also large sample quantities can be processed in short times. The use of slotted hole sieves can also lead to increased throughput. Typically, the throughput is doubled compared to using round hole sieves with the same aperture size; sample residues are reduced to neglectable amounts. The final fineness of the samples tends to be slightly higher than with round hole sieves of the same aperture size.

IDEAL FOR LIGHT & HEAT-SENSITIVE MATERIALS

Instead of the gravity outlet, an optionally available cyclone separator can be connected to the SM 400. The use of the cyclone is advantageous, for example, for light and heat-sensitive samples. 

  • Increased throughput
  • Improved sample discharge from the grinding chamber
  • Efficient cooling of sample and cutting tools
  • Collection vessels with 26 liters are available for the cyclone vacuum unit

CYCLONE-SUCTION-COMBINATION

TECHNICAL DATA

Applications size reduction by cutting
Field of application agriculture, biology, chemistry/plastics, engineering/environment/recycling, food, medicine/pharmaceuticals
Feed material soft, medium-hard, tough, elastic, fibrous
Size reduction principle shearing, cutting
Material feed size* < 170 x 220 mm
Final fineness* 1 - 20 mm
Grinding chamber volume ~7.45L
Speed at 50 Hz (60 Hz) 280 min-1
Rotor peripheral speed 2.25 m/s
Rotor diameter 152 mm
Types of rotors parallel section rotor
Types of hoppers long stock
Material of grinding tools hardened steel, tungsten carbide
Sieve sizes trapezoid holes 1.00 / 2.00 mm
round holes 4.00 / 6.00 / 8.00 / 10.00 / 20.00 mm
Collector systems/capacities collecting receptacle 5 l
optional: cyclone-suction combination
Drive 3-phase motor
Drive power 3 kW
Electrical supply data different voltages
Power connection 3-phase
Engine brake no
Protection code IP 54
W x H x D closed 695 x 1399 x 719 mm
Net weight ~ 180 kg
Standards CE

*depending on feed material and instrument configuration/settings

    • SKU
      21.010.0001
    • Commodity Codes
      84798200
  • Manufacturer
    Retsch GmbH
  • Country of Origin
    Germany
  • Voltage
    3x400 V, 50 Hz, knife set hardened steel, 3x400 V, 50 Hz, knife set tungsten carbide