Planetary Micro Mill
PULVERISETTE 7
classic lineWorking principle | impact force |
Optimal for material type | hard, medium-hard, brittle, moist |
Number of working stations | 2 |
Grinding tools | grinding bowls and grinding balls |
Materials of the grinding tools | agate, sintered corundum, silicon nitride, zirconium oxide, hardened stainless steel, hardmetal tungsten carbide, polypropylene |
Grinding bowl sizes | 12, 45 ml |
Grinding ball diameter | 0.1 - 15 mm |
Max. feed size (depends on material) | 5 mm |
Sample quantity | 0.5-40 ml |
Final fineness (depends on material) | < 1 µm |
Typical grinding time down to analytical fineness | 3 min |
Grinding process | dry/wet |
Grinding in inert gas | only possible in glove box |
Gas pressure and temperature measurement | no |
Rotational speed of main disk | 100 - 800 rpm |
Transmission ratio planetary disk / grinding bowl | i relative = 1 : -2 |
Effective diameter of main disk | 140 mm |
Centrifugal acceleration (g = 9.81 m/s²) | 50 g |
Interfaces | yes |
Electrical details | 100-120/200-240 V/1~, 50-60 Hz, 740 Watt voltage, indicated by customer is set |
Emission sound pressure level at the workplace according to DIN EN ISO 3746 (depending on the material to be ground, grinding bowls/balls, selected rotational speed) | up to approx. LpAd = 82 dB |
Weight | 35 kg |
Dimensions (W x D x H) | bench top instrument 37 x 53 x 50 cm |