Elements and Performance Criteria
- Observe safety precautions
- Determine job requirements
- Prepare form chucks for spinning
- Perform complex spinning operations
- Spinning speeds are calculated for various metals and metal thicknesses using appropriate mathematical techniques and reference materials.
- Correct back centre and form chucks are selected and mounted according to procedures and specifications.
- Prepared disc is mounted for forming.
- A full range of spinning accessories is used including: back centre, holding and sectional chucks, tee-rest, compound and additional slides, recessed and cranked followers, rollers and knurling wheels.
- Spinning, beading, recessing, oval spinning, screw forming, (thread spinning) seaming, swaging, trimming finishing, annealing and pickling operations are performed to specification.
- Check components for conformance to specifications
- Remove and store components