Mich. Admin. Code R. 408.10141 - General requirements
Rule 141.
(1)
An abrasive wheel shall be mounted between flanges, except as noted below,
which shall not be less than 1/3 the diameter of the abrasive wheel.
Exceptions:
(a) Mounted wheel.
(b) Portable cup, plug and cone wheels with
threaded inserts or studs.
(c)
Abrasive disc of the inserted nut, inserted washer and projecting stud
type.
(d) Plate mounted
wheel.
(e) Cylinder, cup or
segmented wheel mounted in a chuck.
(f) Depressed center wheel.
(g) Internal wheel less than 2 inches in
diameter.
(h) Straight and flaring
cup wheel for terrazzo use.
(i)
Cutting-off wheel (see subrule (2)).
(j) Masonry and concrete saws.
(2) A straight cutting-off wheel
shall be mounted between relieved flanges which are not less than 1/4 the wheel
diameter. A depressed center cutting-off wheel more than 16 inches in diameter
shall be mounted between flat unrelieved flanges not less than 1/4 the wheel
diameter.
(3) A masonry saw using a
reinforced resinoid and steel-centered wheel may use 4-inch diameter flanges
for wheels through 20-inch diameter.
(4) Concrete saws using a steel-centered
wheel 20-inch and larger may use flanges 1/6 the wheel diameter.
Notes
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No prior version found.