... ). Hammer head, casting with new craftsmanship, wear-resistant and impact-resistant.2). Adjustable of required particle size as customer requirement3 ... from big size to small size enter 1, 2 and 3 impact mouth repeat crushing until its reach your required particle size ... of body, rotor, hammer head, impact scale board, sieve plate etc. 5.Technical Specifications ModelRotor speed (r/min)Feed opening (mm) ...