| 摘要 |
PROBLEM TO BE SOLVED: To decrease the abrasion of protrusions, increase the strengths of a rotor and facilitate the mounting and replacement of a pin in a wet-type medium dispersion machine that has the protrusions at the outer periphery of the rotor, pulverizes a processed material by giving movement to a dispersed medium, thereby allowing the processed material to be dispersed in a liquid. SOLUTION: The rotor (3) has a cylindrical rotor body (7) and protruded plates (8). Insertion grooves (9) extending in an axial direction are formed at the outer periphery of the body (7). The protrusions (12) so as to be able to give the movement to the dispersed medium are provided on the plates (8). The plates (8) are inserted into the grooves (9) of the body (7) and are retained by end plates (17), (18) mounted on the side of the rotor body. The body (7) comprises a material excellent in toughness, and the plates (8) comprise a material excellent in abrasion resistance. The plates (8) with the shape of the protrusions (12), or the like, changed can be prepared and pins can be provided. COPYRIGHT: (C)2006,JPO&NCIPI
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