Assessor Resource

MEM04005B
Produce moulds and cores by hand (jobbing)

Assessment tool

Version 1.0
Issue Date: May 2024


This unit applies to the production of sand moulds and cores by manual (jobbing) methods to produce metal castings. A range of materials and types of patterns may be used. Knowledge of the metal casting process is also required.

This unit covers hand making of sand moulds and cores for metal casting.

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

Prerequisites

Path 1

MEM09002B Interpret technical drawing

MEM18001C Use hand tools



Evidence Required

List the assessment methods to be used and the context and resources required for assessment. Copy and paste the relevant sections from the evidence guide below and then re-write these in plain English.

The evidence guide specifies the evidence required to demonstrate achievement in the unit of competency as a whole. It must be read in conjunction with the unit descriptor, performance criteria, range statement and the assessment guidelines for the Metal and Engineering Training Package

Overview of assessment requirements

A person who demonstrates competency in this unit must be able to produce jobbing moulds and cores by hand. Competency in this unit cannot be claimed until all prerequisites have been satisfied.

Context of 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.

Interdependent assessment

This unit could be assessed in conjunction with any other units addressing the safety, quality, communication, materials handling, recording and reporting associated with producing jobbing moulds and cores by hand 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.

Consistency of performance

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.

Required skills

Look for evidence that confirms skills in:

interpreting written instruction sketches and drawings

assembling and positioning pattern in the moulding box

positioning ancillary methoding components

preparing moulding media

filling and compacting the mould assembly

stripping the pattern

inspecting the mould

finishing the mould

positioning cores in prints

closing moulds

placing pouring basin

securing mould

following oral instruction

entering routine and familiar information onto proforma and standard workplace forms

Required knowledge

Look for evidence that confirms knowledge of:

metal casting process

variety of pattern types and their application

pattern assembly techniques

selection of moulding box

how to select ancillary components

sand types and their bonding systems

compaction processes

parting and stripping systems

mould requirements

finishing and closing techniques

core placement

pouring requirements

securing systems

pattern care and storage

environmental requirements

use and application of personal protective equipment

safe work practices and procedures

hazards and control measures associated with producing moulds and cores by hand (jobbing)

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.

The range statement provides information about the context in which the unit of competency is carried out. The variables and scope cater for different work requirements, work practices and knowledge between States, Territories and the Commonwealth, and between organisations and workplaces. The range statement relates to the unit as a whole and provides a focus for assessment. Text in italics in the performance criteria is explained here.

The following variables may be present and may include, but are not limited to, the examples listed under the scope. All work is undertaken to relevant legislative requirements, where applicable

Variable

Scope

Materials

Binders, hardeners, sand additives, mould coatings

Patterns

Flatback, uneven, plated patterns , multi-joint, consumable, split patterns, loose piece patterns, patterns requiring odd sides, cored moulds, drag and cope mould etc.

Moulds

Flatback, uneven jointed, multi-part moulds

Core

Full, half and segment cores

Secured

Weights, clamps, bolting

Moulding media

Green sand, shell sand, chemically bonded media etc. may be used

Pouring basin

Hand and pattern formed

Parting and stripping systems

Dry and wet

Runners

Hand and pattern formed

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
Job requirements are correctly identified from drawings, instructions and specifications. 
Material is selected appropriate to job requirements. 
Sequence of operation including job set-up is determined for maximum efficiency and to meet job specifications. 
Pattern equipment is correctly identified from specifications to standard operating procedures. 
Pattern equipment is inspected to specifications, and damaged patterns are identified for repair or replacement to standard operating procedures. 
Pattern is assembled to specification. 
Pattern equipment is set up to specification according to standard operating procedures. 
Core is positioned in prints utilising chaplets and chills as required and vented to specification according to standard operating procedures. 
Mould is closed and checked for compliance to component specification in accordance with standard operating procedures. 
Appropriate moulding/core making equipment is selected and positioned according to standard operating procedures. 
Appropriate moulding media is selected to produce mould and core to specification. 
Mould is secured according to standard operating procedures. 
Moulding media is used to produce mould and core according to standard operating procedures. 
Pouring basin is selected or manufactured to specification and positioned in accordance with standard operating procedures. 
Mould and cores are rammed up with joints and drawbacks as required to standard operating procedures. 
Parting and stripping systems are utilised in accordance with standard operating procedures. 
Loose pieces, vents, risers and runners are positioned and secured as required to standard operating procedures. 
Pattern and loose pieces are removed from mould and core box in a safe manner least likely to cause damage to the pattern and in accordance with standard operating procedures. 
Mould is inspected and repaired as required. 
Mould and core is cleaned and painted according to specification using standard operating procedures. 
All materials/debris is cleared and work site cleaned and left in a safe state. 
Unwanted treated sand is disposed of according to standard operating procedures and legislative and statutory requirements. 

Forms

Assessment Cover Sheet

MEM04005B - Produce moulds and cores by hand (jobbing)
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:

Signature:

Date:

Assessment Record Sheet

MEM04005B - Produce moulds and cores by hand (jobbing)

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: