... the work-piece is fed to the blasting zone with a conveyer roller driven by a speed-regulating ... of scale cinders and dirt and a smooth surface with minor roughness. In addition, the dense striking ... , blasting turbine, feeding system, shot-flowing pipe, elevator, separator, shot-feeding system, dust-removing system, electric control system etc.Specification : ModelQ6910Q6920Q6930Q6940Q6950workpiece ...