R 408.10129 Construction of band type guards.

Rule 129. A band type guard for a segment, ring or nut inserted disc wheel shall be constructed as follows: (a) The band shall be steel plate or material of equal strength and as prescribed in figure 10 of R 408.10198 and table 9 of R 408.10199. The band shall be continuous with the ends being welded, riveted or bolted in such a manner as to leave the inside free of projections. (b) The inside diameter of the band shall not be more than 1 inch larger than the outside diameter of the abrasive wheel and shall be concentric with the abrasive wheel. (c) The width and adjustment of the band shall be such that the wheel will not protrude beyond the edge of the band a distance greater than that prescribed in table 10 of R 408.10199. FLANGE PROVISIONS