Application
This unit of competency defines the skills and knowledge required to prepare investment flasks using manual and automatic equipment for jewellery casting procedures.
No licensing, legislative or certification requirements apply to this unit at the time of publication.
Band: A
Unit Weight: 1
Elements and Performance Criteria
Elements describe the essential outcomes. | Performance criteria describe the performance needed to demonstrate achievement of the element. | ||
1 | Determine job requirements | 1.1 | Follow standard operating procedures (SOPs) |
1.2 | Comply with work health and safety (WHS) requirements at all times | ||
1.3 | Use appropriate personal protective equipment (PPE) in accordance with SOPs | ||
1.4 | Identify job requirements from specifications, job sheets or work instructions | ||
2 | Invest flask | 2.1 | Prepare and check materials |
2.2 | Select and prepare casting methods, tools and equipment | ||
2.3 | Assemble flask for casting | ||
2.4 | Mix investment and prepare curing stage | ||
3 | Operate ‘lost wax’ sequence and clean site | 3.1 | Evacuate ‘low melt’ wax by steam process |
3.2 | Position and store investment flask | ||
3.3 | Select and apply 'burn-out' procedure | ||
3.4 | Clean tools, equipment and site area |
Foundation Skills
This section describes those required skills (reading, writing, oral communication and numeracy) that are essential to workplace performance in this unit of competency.
Foundation skills essential to performance are explicit in the performance criteria of this unit of competency.
Range Statement
This field allows for different work environments and conditions that may affect performance. Essential operating conditions that may be present (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) are included. | |
Casting methods include one (1) or more of the following: | centrifugal casting vacuum casting |
Tools and equipment include one (1) or more of the following: | flasks and base investment scales mixers bowls vacuum |
Competency Field
Jewellery and horological