NTISthis.com

Evidence Guide: MEM19015B - Perform jewellery enamelling

Student: __________________________________________________

Signature: _________________________________________________

Tips for gathering evidence to demonstrate your skills

The important thing to remember when gathering evidence is that the more evidence the better - that is, the more evidence you gather to demonstrate your skills, the more confident an assessor can be that you have learned the skills not just at one point in time, but are continuing to apply and develop those skills (as opposed to just learning for the test!). Furthermore, one piece of evidence that you collect will not usualy demonstrate all the required criteria for a unit of competency, whereas multiple overlapping pieces of evidence will usually do the trick!

From the Wiki University

 

MEM19015B - Perform jewellery enamelling

What evidence can you provide to prove your understanding of each of the following citeria?

Identify enamelling requirements

  1. Enamelling requirements are identified from workplace documentation and customer requirements.
  2. Item materials and construction are assessed for enamelling suitability.
  3. Appropriate enamelling technique and materials are selected for the required outcome.
Enamelling requirements are identified from workplace documentation and customer requirements.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Item materials and construction are assessed for enamelling suitability.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Appropriate enamelling technique and materials are selected for the required outcome.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Prepare items and materials for enamelling

  1. Enamels are prepared for enamelling operation.
  2. Metal surfaces are prepared for enamelling.
  3. Additional processing of item is carried out prior to enamelling.
Enamels are prepared for enamelling operation.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Metal surfaces are prepared for enamelling.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Additional processing of item is carried out prior to enamelling.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Enamel jewellery items

  1. Equipment and items are set up for firing.
  2. Items are enamelled to specification.
  3. Items are fired correctly.
Equipment and items are set up for firing.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Items are enamelled to specification.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Items are fired correctly.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Finish and inspect work

  1. Final finishes are applied.
  2. Product is checked for compliance to specifications.
  3. Faults are rectified.
  4. Relevant job information is recorded.
Final finishes are applied.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Product is checked for compliance to specifications.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Faults are rectified.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Relevant job information is recorded.

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Assessed

Teacher: ___________________________________ Date: _________

Signature: ________________________________________________

Comments:

 

 

 

 

 

 

 

 

Instructions to Assessors

Evidence Guide

The evidence guide provides advice on assessment and must be read in conjunction with the performance criteria, required skills and knowledge, range statement and the Assessment Guidelines for the Training Package.

Overview of assessment

A person who demonstrates competency in this unit must be able to perform jewellery enamelling on a range of materials. Competency in this unit cannot be claimed until all prerequisites have been satisfied.

Critical aspects for assessment and evidence required to demonstrate competency in this unit

Assessors must be satisfied that the candidate can competently and consistently perform all elements of the unit as specified by the criteria, including required knowledge, and be capable of applying the competency in new and different situations and contexts.

Context of and specific resources for assessment

This unit may be assessed on the job, off the job or a combination of both on and off the job. Where assessment occurs off the job, that is the candidate is not in productive work, then an appropriate simulation must be used where the range of conditions reflects realistic workplace situations. The competencies covered by this unit would be demonstrated by an individual working alone or as part of a team. The assessment environment should not disadvantage the candidate.

This unit could be assessed in conjunction with any other units addressing the safety, quality, communication, materials handling, recording and reporting associated with performing jewellery enamelling or other units requiring the exercise of the skills and knowledge covered by this unit.

Method of assessment

Assessors should gather a range of evidence that is valid, sufficient, current and authentic. Evidence can be gathered through a variety of ways including direct observation, supervisor's reports, project work, samples and questioning. Questioning techniques should not require language, literacy and numeracy skills beyond those required in this unit of competency. The candidate must have access to all tools, equipment, materials and documentation required. The candidate must be permitted to refer to any relevant workplace procedures, product and manufacturing specifications, codes, standards, manuals and reference materials.

Guidance information for assessment

Required Skills and Knowledge

Required skills

Look for evidence that confirms skills in:

interpreting instructions and job requirements from job packets, verbal or written instructions/diagrams

checking and clarifying task-related information

analysing item features/properties/construction for enamelling suitability

selecting colour appropriate to job specification/design

selecting enamelling technique/materials to suit job specification/design, item properties and construction

washing and/or grinding enamels

cleaning, polishing/burnishing and pre-treating and pickling metals by hand

performing additional processing requirements

applying enamel to achieve desired outcome

setting equipment to correct temperature

positioning items for firing using appropriate work holding devices

monitoring and gauging stages

removing from heat source at appropriate time to avoid over/under firing

applying different firing techniques and final treatments/finishes

masking out

final firing polishing

checking for conformance to specifications/ design requirements

identifying causes of non-conformances

rectifying faults

entering information onto proformas and other workplace forms

Required knowledge

Look for evidence that confirms knowledge of:

enamels, base metals and properties relating to enamelling, enamelling techniques, firing techniques and work holding devices, faults and common rectification methods

factors for determining suitability for enamelling including available enamelling compositions, firing temperatures, metal type and properties, item construction

different enamelling techniques and terms

enamelling compositions and techniques and related to specific item properties and factors such as metal type/properties, item construction, firing temperature

enamels and forms of availability for purchase including leaded/unleaded, opaque/transparent

terms applied to various enamelling techniques

use of enamel colour chart to determine suitable colours

correct working procedures during the preparation of enamel powder

techniques for washing and grinding enamels, when required, and reasons for doing so

preparation of metal surfaces by hand cleaning, polishing/burnishing, chemical pre-treatment by acid, surface depletion methods and application to different metals

hazards and safety measures relating to pre-treatment of metals and preparation of enamels/metals

additional processing, including stamping, engraving, saw piercing, chasing, oxidising, roller pressing

tools and equipment for processing and their uses

methods of applying enamels including wet packing, dry dusting

melting temperatures of metals and enamels

work-holding devices

visual appearance of enamel at different stages of firing process

counter-enamelling techniques and reasons for doing so

cleaning and lapping processes between firing

different finishes and methods for achieving specific effects

masking out methods

final firing and polishing methods

features and factors for compliance from original specifications and/or job requirements

common enamelling faults/incorrect outcomes and their causes, including oxidation, staining, under/over firing

actions to rectify faults using standard techniques/methods

job data to be recorded

procedures to record data

hazards and control measures, including housekeeping

use and application of personal protective equipment

safe work practices and procedures

Range Statement

The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording, if used in the performance criteria, is detailed below. Essential operating conditions that may be present with training and assessment (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) may also be included.

Enamelling technique

Torch and kiln firing and would include dusting, cloisonne, basse-taille and champleve

Item

Rings, brooches, earrings, pendants and other small-scale objects