Elements and Performance Criteria
- Identify job requirements
- Determine sequence of operation
- Select inspect and prepare pattern equipment
- Pattern equipment is correctly identified from specifications to standard operating procedures
- Pattern equipment is inspected to specifications, and damaged patterns are identified for repair or replacement to standard operating procedures
- Pattern is assembled to specification
- Pattern equipment is set up to specification according to standard operating procedures
- Make mould and core
- Core is positioned in prints utilising chaplets and chills as required and vented to specification according to standard operating procedures
- Mould is closed and checked for compliance to component specification in accordance with standard operating procedures
- Appropriate moulding/core making equipment is selected and positioned according to standard operating procedures
- Appropriate moulding media is selected to produce mould and core to specification
- Mould is secured according to standard operating procedures
- Moulding media is used to produce mould and core according to standard operating procedures
- Pouring basin is selected or manufactured to specification and positioned in accordance with standard operating procedures
- Mould and cores are rammed up with joints and drawbacks as required to standard operating procedures
- Parting and stripping systems are utilised in accordance with standard operating procedures
- Loose pieces, vents, risers and runners are positioned and secured as required to standard operating procedures
- Pattern and loose pieces are removed from mould and core box in a safe manner least likely to cause damage to the pattern and in accordance with standard operating procedures
- Mould is inspected and repaired as required
- Mould and core is cleaned and painted according to specification using standard operating procedures
- Clean and restore work area