- Set up and operate VMC machines to produce parts according to technical drawings.
- Load materials and select appropriate tools for machining.
- Ensure correct job settings, including tool offsets, to maintain accuracy.
2. Tool Knowledge:
- Select and install the right tools based on the material and job specifications.
- Understand different tool types, including cutting tools, drills, and end mills.
- Maintain and handle tools carefully to avoid wear and damage.
3. Feed and Rapid Rate Adjustment:
- Adjust feed and rapid rates depending on material type and machining requirements to ensure efficiency.
- Understand how feed rate affects surface finish and tool life, making adjustments accordingly.
4. Material Knowledge:
- Have a solid understanding of material properties, such as metals, plastics, and composites.
- Select and adjust machining parameters based on material hardness, ductility, and other factors.
5. M Code and G Code Knowledge:
- Work with M code and G code to operate and program VMC machines.
- Make necessary modifications to CNC programs to improve machine performance or meet specific job requirements.
6. Drawing Reading and Interpretation: Read and interpret 2D technical drawings and blueprints to understand machining requirements.
- Ensure that finished parts meet the dimensional and tolerance specifications outlined in the drawings.
7. 2D Programming Knowledge:
- Perform basic 2D programming tasks on the VMC machine when required.
- Create or modify straightforward programs to fit production needs and ensure efficiency.
8. Job Settings:
- Set up jobs by properly positioning workpieces and fixtures in the machine.
- Securely clamp parts to avoid movement during machining.
9. Offset Settings:
- Set and adjust tool and work offsets to ensure machining accuracy.
- Make real-time corrections to offsets to maintain part dimensions within specified tolerances.
10. Quality Control:
- Use precision measuring instruments like micrometres and callipers to check parts against blueprints.
- Perform regular quality checks throughout the machining process and make necessary adjustments.