Assessor Resource

MEM19011
Perform wax injection of moulds for lost wax casting process

Assessment tool

Version 1.0
Issue Date: May 2024


This unit of competency defines the skills and knowledge required to inject materials under pressure for investment and burn-out aspects within ‘lost wax' casting procedures.

This unit applies primarily to organic and synthetic wax injection, but can include resin and plastic materials injected under pressure for investment and burn-out aspects within 'lost wax' casting procedures.

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

Band: A

Unit Weight: 2

You may want to include more information here about the target group and the purpose of the assessments (eg formative, summative, recognition)

Submission Requirements

List each assessment task's title, type (eg project, observation/demonstration, essay, assingnment, checklist) and due date here

Assessment task 1: [title]      Due date:

(add new lines for each of the assessment tasks)


Assessment Tasks

Copy and paste from the following data to produce each assessment task. Write these in plain English and spell out how, when and where the task is to be carried out, under what conditions, and what resources are needed. Include guidelines about how well the candidate has to perform a task for it to be judged satisfactory.

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.

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

missing elements

alignment of rubber mould

air bubbles

shrinkage

distortion

Actions to be taken for imperfect wax patterns include one (1) or more of the following:

repair

re-work

recycle

discard

Copy and paste from the following performance criteria to create an observation checklist for each task. When you have finished writing your assessment tool every one of these must have been addressed, preferably several times in a variety of contexts. To ensure this occurs download the assessment matrix for the unit; enter each assessment task as a column header and place check marks against each performance criteria that task addresses.

Observation Checklist

Tasks to be observed according to workplace/college/TAFE policy and procedures, relevant legislation and Codes of Practice Yes No Comments/feedback
Follow standard operating procedures (SOPs) 
 
 
 
Select appropriate wax material according to design specification requirements 
 
 
Remove wax pattern without damage and inspect 
 
 

Forms

Assessment Cover Sheet

MEM19011 - Perform wax injection of moulds for lost wax casting process
Assessment task 1: [title]

Student name:

Student ID:

I declare that the assessment tasks submitted for this unit are my own work.

Student signature:

Result: Competent Not yet competent

Feedback to student

 

 

 

 

 

 

 

 

Assessor name:

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Date:


Assessment Record Sheet

MEM19011 - Perform wax injection of moulds for lost wax casting process

Student name:

Student ID:

Assessment task 1: [title] Result: Competent Not yet competent

(add lines for each task)

Feedback to student:

 

 

 

 

 

 

 

 

Overall assessment result: Competent Not yet competent

Assessor name:

Signature:

Date:

Student signature:

Date: