ROTATIONAL MOLDING MACHINE FOR HOLLOW RESIN MOLDED ARTICLE

摘要

PROBLEM TO BE SOLVED: To provide a rotational molding machine for a hollow resin molded article wherein temp. distribution of a mold is uniformed by heating uniformly a rotating mold. SOLUTION: Hot air nozzles or burners 2 are provided movably back and forth to a mold 1 rotated by means of an actuator 3 and a mold no. detecting sensor 5 for detecting the shape of the mold and a controller 6 for moving back and forth the position of the hot air nozzles or the burners 2 in accordance with the shape of the mold by means of this mold no. detecting sensor 5, are provided.