Vmc Operator

VMC Operator & Programmer (Aerospace / Space & Defence Components)
Job Summary
The VMC Operator & Programmer is responsible for programming, setting up, and operating Vertical Machining Centers (VMC) to manufacture high-precision components used in space, aerospace, and defence systems. The role requires strict adherence to
aerospace quality standards, tight tolerances, and traceability requirements.
Key Responsibilities
1. CNC Programming
Develop CNC programs for VMC machines using G-code / CAM software (e.g., Mastercam, NX, Fusion 360).

- Optimize machining parameters for precision, surface finish, and tool life.
Modify and debug programs during production.
2. Machine Setup & Operation

- Set up fixtures, tools, and work offsets for VMC machining.
Perform machining of complex aerospace components from materials such as:
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Aluminium alloys (6061, 7075)
Titanium alloys
Stainless steel
Inconel / superalloys

Operate machines while maintaining micron-level tolerances.
3. Blueprint & CAD Interpretation

- Read and interpret engineering drawings, GD&T, and CAD models.
Understand critical dimensions, tolerances, and surface finish requirements.
4. Quality Control

Perform in-process inspection using:
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Vernier calipers
Micrometers
Height gauges
Bore gauges
Dial indicators

- Ensure compliance with AS9100 / aerospace quality standards.
Maintain component traceability records.

5. Tooling & Process Optimization

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Select proper cutting tools, inserts, and holders.
Implement tool path optimization to improve efficiency and reduce cycle time.
Troubleshoot machining issues like:
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Tool wear
Vibration
Surface defects
6. Documentation

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Maintain process sheets, setup sheets, and inspection reports.
Follow Defence and space manufacturing documentation procedures.
Support First Article Inspection (FAI) and production validation.
7. Safety & Compliance

- Follow shop safety practices and aerospace manufacturing standards.
Ensure proper handling of sensitive defence components and materials.
Required Skills

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Strong knowledge of CNC machining and VMC operations
Understanding of GD&T (Geometric Dimensioning & Tolerance)
Experience with CAM software
Knowledge of aerospace materials machining
Ability to maintain tight tolerances (0.01 mm or better)