Operate electric-screwdown mechanisms on rolling mill.
What does a Screwdown Operator do?
Operates electric-screwdown mechanism on rolling mill to set draft for reducing slabs, ingots, or billets to specified dimensions, using knowledge of rolling practices and steel properties: Reads rolling order for dimensions, properties, and temperature of product to be rolled. Determines, from experience, number of passes and amount of reduction on each pass required to reduce product to specifications. Moves controls to set rolls for each pass, according to draft reading on dial indicator. Performs other duties, such as assisting in roll changes and repairing or adjusting mill equipment. May calibrate dial of screwdown setting with x-ray reading.