This paper is concerned with the influence of some factors, such as curvature radii, assembly angles of B-C(backward-curved) blades and sliding frictional coefficients between shots and B-C blades, on working process of the throwing wheel. The results of our sludies indicate that these factors have different effects on both kinematic parameters of the throwing wheel with B-C blades and normal pressure acted onto the blades by shnts. Among them curvature radii and assembly angles have greater influence... This paper is concerned with the influence of some factors, such as curvature radii, assembly angles of B-C(backward-curved) blades and sliding frictional coefficients between shots and B-C blades, on working process of the throwing wheel. The results of our sludies indicate that these factors have different effects on both kinematic parameters of the throwing wheel with B-C blades and normal pressure acted onto the blades by shnts. Among them curvature radii and assembly angles have greater influence while the sliding frictional coeffients have smaller influence on it. The principles of how curvature radius and assembly angle of B-C blades should be chosen is discussed in the paper. |