MEM19012
Produce jewellery wax model


Application

This unit of competency defines the skills and knowledge required to produce one-off wax models.

This unit is not intended to include fine wire filigree work.

Where the use of computer aided equipment for modelling is required unit MEM09009 Create 2-D drawings using computer-aided design system and unit MEM09010 Create 3-D models using computer-aided design system, should also be selected as appropriate.

No licensing, legislative or certification requirements apply to this unit at the time of publication.

Band: A

Unit Weight: 4


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, drawings, job sheets or work instructions

2

Prepare materials for production of wax model

2.1

Select waxes and tools

2.2

Cut stock materials

3

Produce and finish wax models

3.1

Optimise material use and production time

3.2

Sculpt wax to specifications

3.3

Minimise imperfections in final wax model

3.4

Apply surface finishes

4

Assess suitability of final wax product

4.1

Inspect product for compliance with specifications

4.2

Modify final product, as necessary

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.

Wax models include one (1) or more of the following:

carved forms

structural forms

free-form carving

Tools include one (1) or more of the following:

heat irons

wax guns

saws

carving tools

wax files

flaming torch

Surface finishes include one (1) or more of the following:

fine emery

Shellite

high polishes

Stock materialsinclude variety in one (1) or more of the following:

colour

hardness

properties

length

Inspection includes checking one (1) or more of the following:

tolerances

allowance for casting shrinkage

allowance for finishing processes


Competency Field

Jewellery and horological