Navy NEC · Engineering
U32A Computer Numerically Controlled Machinist
A Navy Enlisted Classification: a skill designation sailors hold in addition to their rating.
Overview
A Computer Numerically Controlled Machinist works with CNC lathes, milling machines, and associated equipment. The machinist applies CNC theory using Computer Aided Design and Computer Aided Machining software.
Core Skills
- cnc lathe operation
- cnc milling operation
- cad model interpretation
- cam toolpath programming
- machine setup
- precision measurement
- g code programming
- tool offset adjustment
- quality inspection
- production documentation
Civilian Software & Tools
- Autodesk AutoCAD
- Dassault Systemes SolidWorks
- Microsoft Office software
- Extensible markup language XML
- Microsoft Excel
- Microsoft Outlook
- Microsoft PowerPoint
- Microsoft Word
Civilian Career Paths
- Mechanical Engineering
- Facilities Management
Training & Development
Getting Started
- NIMS Measurement, Materials, and Safety Certification
- NIMS CNC Milling Level I
- NIMS CNC Turning Level I
- Autodesk Fusion Certified User
Career Growth
- Autodesk Certified Professional in Fusion 360
- Certified Manufacturing Technologist (CMfgT)
- SME Certified Manufacturing Engineer (CMfgE)
Also Common
- NIMS Measurement, Materials, and Safety
- OSHA 30-Hour General Industry
What the Work Involves
- Determine the sequence of machine operations, and select the proper cutting tools needed to machine workpieces into the desired shapes.
- Analyze job orders, drawings, blueprints, specifications, printed circuit board pattern films, and design data to calculate dimensions, tool selection, machine speeds, and feed rates.
- Observe machines on trial runs or conduct computer simulations to ensure that programs and machinery will function properly and produce items that meet specifications.
- Write programs in the language of a machine's controller and store programs on media, such as punch tapes, magnetic tapes, or disks.
- Determine reference points, machine cutting paths, or hole locations, and compute angular and linear dimensions, radii, and curvatures.
Related Occupations
- Computer Numerically Controlled Tool Operators
- Machinists
- Robotics Technicians
- Model Makers, Metal and Plastic
Typical preparation for these civilian roles: a high school diploma and some on-the-job training.
Equivalent Roles in Other Branches
Descriptions may be summarized for clarity. Verify all information with your branch career counselor or official military documentation before making career decisions.
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