NZQA registered unit standard
281 version 5
Page 1 of 3
Title
Perform basic extrusion process operations
Level
1
Purpose
Credits
4
People credited with this unit standard are able to: identify and
take precautions against operation hazards; perform extrusion
process operations; identify plastics, scrap and waste
materials, and demonstrate material granulating and scrap and
waste material separation; in accordance with enterprise
procedures.
This unit standard is to enable entry level people to perform
basic process operations in an extrusion operation.
Classification
Plastics Processing Technology > Extrusion
Available grade
Achieved
Entry information
Recommended skills
and knowledge
Unit 23128, Demonstrate basic knowledge of plastics
production processes and materials.
Explanatory notes
Definitions
Enterprise – an organisation where training and/or assessment is taking place, and/or
where the trainee is employed.
Enterprise procedures – actions which comply with the policies, systems, and directives in
a particular enterprise. Enterprise procedures must comply with the requirements of the
Health and Safety in Employment Act 1992, and subsequent amendments.
Outcomes and evidence requirements
Outcome 1
Identify and take precautions against operation hazards in accordance with enterprise
procedures.
Evidence requirements
1.1
The dangers of heating plastics materials in an extruder are identified.
Competenz
SSB Code 101571
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
Range
1.2
281 version 5
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dangers include but are not limited to – burns, fumes, molten
material, pressure build up, thermal degradation.
Hazards and harm are identified for machine, purging, hand tools, ancillary
equipment, product, and plastics materials, and precautions are taken.
Outcome 2
Perform extrusion process operations in accordance with enterprise procedures.
Evidence requirements
2.1
The extrusion process is described in terms of the items of equipment on the
line, the purpose of the equipment, and the sequence of their operation.
Range
equipment may include – payoff, extruder, diehead assembly,
sizing, cooling, haul off, marking, measuring, testing, cutting,
coiling, belling;
evidence is required for at least six items of equipment.
2.2
Raw material is loaded, with no damage to plant, personnel, or material.
2.3
Basic extrusion operations are performed, and production is recorded.
Range
2.4
basic extrusion operations may include – product removal, product
inspection, product finishing, product packaging, scrap processing;
evidence is required for at least four operations.
The emergency stop locations on the extruder and ancillary equipment are
identified, and emergency stopping of the extrusion line and ancillary equipment
is described.
Outcome 3
Identify plastics scrap and waste materials, and demonstrate material granulating and
scrap and waste material separation in accordance with enterprise procedures.
Evidence requirements
3.1
The purpose and operation of plastics granulating equipment are described.
3.2
Plastics material granulating is demonstrated wearing the correct personal
safety equipment.
Range
Competenz
SSB Code 101571
safety equipment includes but is not limited to protection of – ears,
eyes, hands.
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
3.3
Hazards and harm associated with the use of plastics granulating equipment
are described.
hazards include but are not limited to – personal injury, material
contamination, granulator damage.
Range
3.4
281 version 5
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Plastics scrap and waste materials are identified and separated.
Planned review date
31 December 2016
Status information and last date for assessment for superseded versions
Process
Version Date
Last Date for Assessment
Registration
1
28 April 1993
31 December 2014
Revision
2
13 February 1997
31 December 2014
Review
3
23 January 1998
31 December 2014
Review
4
27 October 2005
31 December 2014
Review
5
15 September 2011
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 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