Check production speed and quality on many types of automated machines.
Operates roughing mill roll stands to reduce steel billets, blooms, and slabs to specified dimensions, using knowledge of rolling practices and steel properties: Reads rolling order to determine setup specifications. Installs rolling equipment, such as roll stands, guides, bar turners, and repeaters on rolling line, using handtools, bars, levers, and sledges. Moves controls to set specified draft between rolls at each stand. Observes color of heated steel to determine rolling temperature and starts roughing stands. Examines product passing through mill for surface defects, such as scratches and cracks. Verifies specified gauge of product after each pass, using calipers. Gives directions to mill crew in readjusting roll draft and realigning guides. May set up and monitor computerized roughing roll stands. May be designated according to type of mill operated as Rougher, Bar Mill; Rougher, Hot-Strip Mill; Rougher, Merchant Mill.