SED-20QMJ-M — SED-20QMJ-M Planetary Ball Mill
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SED-20QMJ-M planetary ball mill, vertical configuration 1000×730×780 mm, 420 kg net, IP60, CE-certified with three patents. Holds up to four jars (4 samples in parallel) with max 1.6 L charge per jar (max ball charge 1.3
مبدأ العمل
Sample jars are mounted on a planetary disc and revolve around the disc axis while simultaneously spinning on their own axes(1:2 gear ratio). Inside each jar, grinding media impart five combined force modes: pulsation(group sliding/compression), cataracting(impact drop), circulation(rolling), cascade(frictional flow), and centrifugation — achieving mixing, fine grinding, mechanical alloying, nano-dispersion and homogenization. The planetary main disc uses oil-immersed sealed gears(Patent ZL 2014 2 0375569.1) and a noise-isolation system, achieving <60 dB at 3 m.
