Michigan Administrative Code
Department - Labor and Economic Opportunity
MIOSHA
General Industry and Construction Safety and Occupational Health Standards
General Industry Safety Standards
Part 1a - ABRASIVE WHEELS
FLANGE PROVISIONS
Section R. 408.10142 - Flange construction
Current through Vol. 24-16, September 15, 2024
Rule 142.
(1) Whenever a wheel is mounted between flanges, the flange shall be designed to transmit the driving torque from the spindle to the abrasive wheel. They shall be dimensionally accurate and balanced with no rough surfaces or sharp edges.
(2) A flange shall be made of steel, cast iron or materials of equal strength and rigidity so that when tightened, the radial width of the bearing surface of contact on the abrasive wheel is maintained (see figure 11 of R 408.10198).
(3) Two flanges between which an abrasive wheel is mounted, except when a special adaptor is used on a depressed center wheel, shall have the same dimensions and bearing surface.
(4) The minimum dimensions for the following types of flanges shall be maintained according to the listed figures and tables: