Autogenous mills, semi-autogenous mills and ball mills for . - PolysiusHigh-performance systems for wet grinding applications. The comprehensive range of wet grinding systems from Polysius comprises of: x Autogenous and semiautogenous mills, x Ball mills, x Rod mills and x Scrubbers. Polysius offers dry grinding systems comprising of the following equipment: x AEROFALL type dry SAG.hydraulic system ball mill polysius pdf,quadropol® QMR² - thyssenkrupp Industrial Solutionsa modular system of 2, 4 or 6 rollers. Thanks . energy of a ball mill. The second generation of quadropol® mills has already proven itself in commercial plants, such as in Brazil, Mexico, Colombia,. Bolivia, Indonesia, Algeria, Turkey, . comprehensively taken into account customer requirements for a simple hydraulic system.