NZQA registered unit standard
256 version 5
Page 1 of 3
Title
Set up simple moulds for injection moulding
Level
2
Credits
8
Purpose
People credited with this unit standard are able to remove, fit,
and set simple injection moulds; and select, set up, and
operate ancillary equipment.
Classification
Plastics Processing Technology > Injection Moulding
Available grade
Achieved
Entry information
Recommended skills
and knowledge
Unit 253, Operate the injection moulding machine; Unit 254,
Run and monitor the injection moulding production process;
Unit 258, Service simple moulds for injection moulding; and
Unit 21913, Shift loads in engineering installation,
maintenance, and fabrication work; or demonstrate equivalent
knowledge and skills.
Explanatory notes
1
All work practices must meet enterprise health and safety requirements.
2
Definitions
Enterprise – an organisation where training and/or assessment is taking place,
and/or where the trainee is employed.
Enterprise procedure – actions which comply with the policies, systems, and
directives in a particular enterprise. Enterprise procedure must comply with the
requirements of the Health and Safety in Employment Act 1992, and subsequent
amendments.
Simple injection moulds refers to a two or three plate mould including any ejection
system operating in the mould open axis, but excluding moulds with molten material
retained within the mould between cycles. Products are simple, straight drawn items.
Typical features may include: force, cavity, back plates, support plates; cold runner,
sprue, nozzle seat, locating ring; tab, sub, fan, diaphragm and direct gating; ejector
pins and sleeves, ejector plate and stripper plate; part line and pin venting; simple
drillings for mould cooling.
Competenz
SSB Code 101571
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
256 version 5
Page 2 of 3
Outcomes and evidence requirements
Outcome 1
Remove, fit, and set simple injection moulds.
Range
evidence is required for two simple injection moulds with different dimensions,
configurations, and set-up criteria.
Evidence requirements
1.1
The injection moulding machine is prepared for a mould change in accordance
with enterprise procedure.
1.2
Moulds are prepared for removal and fitting in accordance with enterprise
procedure.
1.3
Tools for mould changing are selected in accordance with enterprise
requirements.
1.4
Mould changes are carried out in accordance with enterprise procedure.
1.5
Nozzle is removed, cleaned, and refitted in accordance with enterprise
procedures.
1.6
The injection moulding machine is set to job specification and in accordance
with enterprise procedure.
1.7
First off sample is made to confirm correction operation in accordance with
enterprise procedures.
1.8
The principal effects of shrinkage, venting, gate location, and cooling on mould
design and construction are described.
Outcome 2
Select, set up, and operate ancillary equipment.
Range
ancillary equipment includes but is not limited to – screw cutters, conveyers,
mound temperature controller, in mould labelling, hot runner controller, colour
dosing or material mixer, hopper loaders, hopper dryers, take out devices,
granulators.
evidence is required for at least three types of ancillary equipment.
Evidence requirements
2.1
Ancillary equipment is selected in accordance with enterprise procedure.
2.2
Ancillary equipment is set up in accordance with enterprise procedure.
2.3
Ancillary equipment is operated in accordance with enterprise procedure.
Competenz
SSB Code 101571
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
Planned review date
256 version 5
Page 3 of 3
31 December 2017
Status information and last date for assessment for superseded versions
Process
Version Date
Last Date for Assessment
Registration
1
28 April 1993
31 December 2013
Revision
2
13 February 1997
31 December 2013
Review
3
23 January 1998
31 December 2013
Review
4
24 August 2006
N/A
Review
5
21 March 2013
N/A
Consent and Moderation Requirements (CMR) reference
0134
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 the Competenz info@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