A professional who controls series of machines to machine cast railroad car wheels to specifications. Respnsibilities include:

• Changes chucks, boring bar, and cutting tools according to specifications on production orders, using handtools.
• Pushes buttons on console panel to start machines that perform threading, flanging, boring, inspecting, and other operations to finish wheels.
• Observes action of machines and transfer stations to detect malfunctions.
• Examines machined surfaces of wheels at specified stations to detect defective cutting tools.