PDF Operating Instructions for Planetary Ball Mill Type PM400
Retsch GmbH 6 Doc. Nr. GB Safety instructions summarised, part 2 Check firm fitting of the milling cups, particularly with longterm milling operations, according to the following time schedule: after 3 mins, after 2 hrs, after 5 hrs then every 1012 hrs. A clamping force of 10 Nm for the milling cup clamping device is optimum.