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
GENERAL PROVISIONS
Section R. 408.10105 - Definitions; S to W
Current through Vol. 24-16, September 15, 2024
Rule 105.
(1) "Shoulder grinding" means a periphery grinding operation where a limited amount of grinding with the side of the wheel may be performed.
(2) "Snagging" means the grinding which removes relatively large amounts of material without regard to close tolerances or surface finish requirements.
(3) "Surface feet per minute" or "sfpm" means the distance in feet that any 1 abrasive grain travels in l minute on a peripheral surface of a rotating grinding wheel.
(4) "Surface grinding" means the precision grinding of a plane or formed surface.
(5) "Tool or cutter grinding" means the precision grinding or sharpening of various types of cutting tools.
(6) "Tuck pointing" means the removal, by grinding, of mortar, cement, or other nonmetallic material.
(7) "Wheel types" means the classification of abrasive wheels as listed in the following order:
SHAPE TYPES OF GRINDING WHEELS
SHAPE TYPES OF GRINDING WHEELS CONES AND PLUGS
On all cones and plugs grinding is performed by all surfaces except the flat (dimension "D") on the mounting side. These shapes normally have a blind hole threaded bushing for mounting.
RELIEVED AND/OR RECESSED WHEELS
A relieved side is a depression in the side of the wheel which is tapered from a radial flat at the periphery (A) to an inside flat (K) or recess diameter (P).
