CNC Machine Operator A

Job Summary

Applies advanced technical skills and knowledge to program and operate multi-purpose numerically controlled machines to perform defined combinations of machining operations.

Essential Functions

Key Responsibilities Performs tasks that are moderate to complex requiring experience and judgment to complete. Reviews setup sheets and specifications to determine setup procedure, machining sequence, and dimensions of finished work piece. Attaches fixture to machine bed and positions and secures work piece in fixture according to setup instructions.

Assembles cutting tools in tool holders and positions tool holders in machine spindles as specified or inserts cutting tools in specified machine magazines. Enters commands to retrieve pre-programmed machine instructions from database and machine control console. Operates controls and enters commands to index cutting tool to specified set point and start machine.

Observes and listens to machine operation to detect malfunctions such as worn or damaged cutting tools. Changes cutting tools and location of work piece during machining process as specified in setup instructions. Measures work piece for conformance to specifications. Adjusts machine feed and speed, changes cutters to machine parts according to specifications when automatic programming is faulty or machine malfunctions.

Performs other duties as required. These duties may include assignments in job classifications and departments other than the primary assignment.