steps invole in manufacturing of roll mill shaft,
Chapter 1 - Basics of Machine Safeguarding - OSHA
Rotating motion can be dangerous; even smooth, slowly rotating shafts can . These parts may be in contact (producing a nip point) or in close proximity. . This danger is common on machines with intermeshing gears, rolling mills, and calenders. . Cutting action may involve rotating, reciprocating, or transverse motion.