Rolls Crusher for Sale
Roll Crusher for Sale. One method used to calculate maximum size of feed is based on the angular relations shown in Fig. 26. Tan B is the coefficient of friction (usually taken as ); A is the angle of nip, or wedge angle below which a particle is seized, and above which it skids; R is the radius of each roll. 2X is the thickness of the particle which can be gripped at zero setting, and S is