The CNC machinist operates computer numerical control machines to fabricate parts. The CNC machinist loads parts in the machine, cycles the machine and detects malfunctions in the machine operations, such as worn or damaged cutting tools. The position runs production lots, communicates with co-workers regarding productions runs, and maintains a safe, organized and clean work environment.
- Performs all assigned machine shop operations.
- Detects and reports defective materials or questionable conditions to management. Maintains the work area and equipment in a clean, orderly condition and follows prescribed safety procedures.
- Regularly performs milling, turning, drilling, tapping, de-burring, sawing and sanding tasks.
- Performs inspection of machined products, and documents results.
- Completes and maintains paperwork for parts.
- Assists in other work areas to perform fabrication, lay-up, infiltration, furnace operation and sand blasting tasks.
Understanding software and programming languages is a requirement for CNC machinists. They must also be able to follow job instructions, comprehend specifications, and determine correct machine setup to achieve the correct final product. This requires reading and understanding blueprints that detail fabrication tolerances. Machinists must be able to evaluate product quality and make programming adjustments as needed for quality products. CNC machine types and setup requirements vary from business to business. However, machinists must possess the knowledge and skills necessary to grasp the various machine nuances.