Application
This unit of competency defines the skills and knowledge required to finish and polish materials using appropriate media and equipment.
Where the interpretation of technical drawings is required unit MEM09002 Interpret technical drawing should also be selected.
Where the selection and use of engineering measurement is required unit MEM12023 Perform engineering measurements should also be selected.
Where the selection and use of power tools/hand held operations is required unit MEM18002 Use power tools/hand held operations should also be selected.
This unit is not intended to apply to touch-up finishing related to maintenance or assembly activities.
No licensing, legislative or certification requirements apply to this unit at the time of publication.
Band: A
Unit Weight: 6
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 | Identify job materials and surface condition | 2.1 | Identify common metals, alloys and non-metals for finishing |
2.2 | Identify common surface imperfections | ||
3 | Select appropriate finishing/polishing procedure | 3.1 | Determine surface finish specifications and select appropriate finishing or polishing method/technique for the work requirements |
3.2 | Select appropriate finishing or polishing equipment for the work material and work requirements | ||
3.3 | Select appropriate media for work requirements | ||
4 | Install and set up grinding and polishing devices according to standard operating procedures | 4.1 | Fit endless belt linishers |
4.2 | Fit and dress grinding wheels and mops | ||
4.3 | Install and set up polishing mops | ||
5 | Grind, finish, brush and/or polish job | 5.1 | Identify hazards and implement risk control measures and procedures |
5.2 | Finish job surface to specification according to SOPs | ||
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, accessibility of the item, and local industry and regional contexts) are included. | |
Applications include one (1) or more of the following: | pre-decorative and post decorative plating jewellery production component manufacture and machining marine vessel construction |
Material includes one (1) or more of the following: | cast iron steel zinc and its alloys copper aluminium and its alloys bronzes sterling silver gold plastics |
Common surface imperfections include one (1) or more of the following: | pitted surface machining lines scale rust |
Finish includes one (1) or more of the following: | brightness texture roughness comparison |
Finishing/polishing equipment includes one (1) or more of the following: | endless belt grinders table linishers pedestal grinders and polishers felt wheels fabric mops and brushes with underhand and overhand techniques flexible drive appliances buffing compounds cutting compounds abrasive belts |
Finishing/polishing media includes the following: | solid and liquid compositions containing alumina, silicon carbide, diamond dust, tripoli, calcium oxide and iron oxides |
Hazards include one (1) or more of the following: | airborne dust inhalation unsecured components |
Competency Field
Surface finishing