PLANET MILL Russian patent published in 1995 - IPC

FIELD: mechanical working of materials. SUBSTANCE: planet mill comprises top 1 and bottom 2 parts of a housing coupled with each other and with bed 3, outer friction race 4, collector 8 for collecting emissions, and cover 9. The drive includes pulley 10 and central shaft 11 with bearing unit 12. The carrier has bottom 13 and top 14 disks coupled through axles 16 with members 17 of the drum drive having outer cylindrical shells 18 with flanges 19, necks 20, grinding chambers 21-24 provided with lateral baffles 25 which consists of disks 26, inclined radial ribs 27 rigidly connected with disks 26 and rings 28 which have conical surfaces diverging downward. The inner diameter of the underlying grinding chamber, e.g. 22, is grater than the inner diameter of the grinding chamber positioned above, e.g. 21, by a value defined by a relationship presented in the invention description. The mill has milling bodies 29, charging 15 and discharging 36 devices, top 31 and bottom 32 arresting surfaces, and flexible-and-damping units 33- 35. EFFECT: enhanced efficiency. 2 dwg