CONICAL GRINDER Russian patent published in 2015 - IPC B02C2/04 

FIELD: process engineering.

SUBSTANCE: invention relates to conical inertial grinder and method of its balancing. This grinder comprises inner and outer grinding cases making the grinding chamber there between, grinding head, unbalance body and vertical drive shaft. Inner grinding case rests on grinding head secured to shaft running in the sleeve. Unbalance body and vertical drive shaft are secured to said sleeve. Besides, this grinder comprises first and second counterweights secured to drive shaft. First counterweight is secured at the position located below the drive shaft bearing while second counterweight is located at position above said bearing. Method of grinding balancing consists in that first and second counterweights are secured at drive shaft below and above said drive shaft bearing.

EFFECT: longer life.

12 cl, 2 dwg