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Instrument Database:
Retsch GmbH - Cross Beater Mill SK 100
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| Year of introduction |
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| Status |
available |
| Company |
Retsch GmbH
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| Categories |
Sample preparation: Mills, Grinders
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Retsch Cross Beater mills are suitable for batchwise and continuous coarse and fine grinding. Medium-hard and brittle materials with a hardness of up to 6 Mohs can be milled. Retsch Cross Beater Mills are highly versatile: from preparing samples in the laboratory and industrial plants, through pilot installations in technical colleges to making batches in the production.
Advantages
- high performance
- high final fineness
- versatile in use
- easy-to-change bottom sieves 0.12 mm – 10 mm
- 4 material-versions including a heavy-metal free version
- quick-action lock of the grinding chamber door
- wide range of accessories
- maintenance-free direct drive
- 2-year warranty, CE marked
Grinding takes place in the Cross Beater Mills using a hammering, impact and shearing action. The feed material passes through the hopper directly into the centre of the grinding chamber. It is then caught by the cross beater and crushed between the impact plates of the cross beater and the toothed grinding insert. As soon as the material is smaller than the hole width of the bottom sieve used, it passes through and goes into the collecting vessel. The air drawn in through the funnel by the cross beater accelerates the discharge of the crushed material. The air-borne fine fraction is separated off by a downstream filter system.The cross beater is directly connected to the motor shaft. Rotor speed is 2850 rpm and the rated power 1.1 kW. All models are equipped with a door safety switch, together with ON/OFF and motor protection switches.
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| Specifications |
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Performance Features
Working principle: Hammering, impact and shearing action
Max. feed particle size: 15 mm
Fineness: < 0,1 mm (depending on the material)
Sample volume / throughput: 5 resp. 30l / up to 80 kg/h
Mass and Weight
Over all dimensions WxDxH: 420 mm x 445 mm x 560 mm
with underframe: 560 x 700 mm x 1183 mm
with underframe and DR 100: 560 mm x 1443 mm x 700 mm
Weight: 32 kg
Characteristic Noise Values (DIN 45635-31-01-KL3)
Workplace related emission level: 86 dB (A)
Sound power level: 95 dB (A)
Parameters: Quartz sand < 3 mm
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