NZQA registered unit standard
2382 version 6
Page 1 of 3
Title
Produce expendable wax patterns for lost wax casting method
Level
2
Credits
5
Purpose
People credited with this unit standard are able to: prepare
equipment for making expendable wax patterns; make a wax
pattern; and make wax pattern tree assembly.
Classification
Mechanical Engineering > Metal Casting
Available grade
Achieved
Explanatory notes
1
References
Health and Safety in Employment Act 1992;
Resource Management Act 1991;
Hazardous Substances and New Organisms Act 1996;
Health and Safety Guidelines on the Management of Hazards in the Metal Casting
Industry. New Zealand: Casting Technology NZ Inc and Occupational Safety and
Health (OSH), 1997. Available at:
http://www.osh.dol.govt.nz/order/catalogue/ipp/metalcasting.pdf.
2
Definition
Worksite procedures – operational procedures put in place by the candidate’s
employer. These include site safety procedures, equipment operating procedures,
job procedures, and procedures for the handling and disposal of materials and waste.
3
Assessment Information
a
All activities must comply with relevant legislative and/or regulatory
requirements, which include, but are not limited to those listed in the references.
b
All work practices must meet documented worksite procedures (where these
exceed code) for personal, product and worksite safety.
Outcomes and evidence requirements
Outcome 1
Prepare equipment for making expendable wax patterns.
Evidence requirements
1.1
Die for equipment is selected and checked in accordance with job specification.
1.2
Release agent is applied to wax contact surfaces on die in accordance with
worksite procedures.
Competenz
SSB Code 101571
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
2382 version 6
Page 2 of 3
1.3
Die is set up and located in equipment in accordance with worksite procedures.
1.4
Wax is loaded in heating equipment and heated to operating temperature in
accordance with worksite procedures.
Outcome 2
Make a wax pattern.
Evidence requirements
2.1
Wax is injected into die in accordance with worksite procedures.
2.2
Wax pattern is removed from die when wax is solidified in accordance with
worksite procedures.
2.3
Pattern is inspected for conformance with specification and prepared in
accordance with worksite procedures.
2.4
Any defective patterns are repaired in accordance with worksite procedures.
Outcome 3
Make wax pattern tree assembly.
Evidence requirements
3.1
Sprue for assembly is made to component specification.
3.2
Patterns are attached to sprue in accordance with worksite procedures.
3.3
Tree assembly is stored in accordance with worksite procedures.
Planned review date
31 December 2014
Status information and last date for assessment for superseded versions
Process
Version Date
Last Date for Assessment
Registration
1
25 October 1994
31 December 2012
Revision
2
14 April 1997
31 December 2012
Revision
3
5 January 1999
31 December 2012
Review
4
19 October 1999
31 December 2012
Review
5
19 May 2006
N/A
Rollover and
Revision
6
17 November 2011
N/A
Competenz
SSB Code 101571
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
2382 version 6
Page 3 of 3
Consent and Moderation Requirements (CMR) reference
0013
This CMR can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.
Please note
Providers must be granted consent to assess against standards (accredited) by NZQA,
before they can report credits from assessment against unit standards or deliver courses
of study leading to that assessment.
Industry Training Organisations must be granted consent to assess against standards by
NZQA before they can register credits from assessment against unit standards.
Providers and Industry Training Organisations, which have been granted consent and
which are assessing against unit standards must engage with the moderation system that
applies to those standards.
Requirements for consent to assess and an outline of the moderation system that applies
to this standard are outlined in the Consent and Moderation Requirements (CMR). The
CMR also includes useful information about special requirements for organisations wishing
to develop education and training programmes, such as minimum qualifications for tutors
and assessors, and special resource requirements.
Comments on this unit standard
Please contact Competenz qualifications@competenz.org.nz if you wish to suggest
changes to the content of this unit standard.
Competenz
SSB Code 101571
 New Zealand Qualifications Authority 2016