NZQA unit standard 16119 version 7
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Title Service moulds for rotational moulding
Level 3 Credits 5
Purpose People credited with this unit standard are able to: demonstrate
knowledge of the construction of rotational moulds; perform
mould servicing; and demonstrate knowledge of and apply
mould release agents.
Classification Plastics Processing Technology > Rotational Moulding
Available grade Achieved
Guidance Information
1 Legislation
Legislation relevant to this unit standard includes but is not limited to the Health and
Safety at Work Act 2015.
2 Definition
Workplace procedures – procedures used by the organisation carrying out the work
and applicable to the tasks being carried out. Examples are – standard operating
procedures, site safety procedures, equipment operating procedures, codes of
practice, quality management practices and standards, procedures to comply with
legislative and local body requirements.
3 Assessment information
All performance criteria must be performed in accordance with workplace
procedures.
Outcomes and performance criteria
Outcome 1
Demonstrate knowledge of the construction of rotational moulds.
Performance criteria
1.1 Standard mould components are identified using a workplace mould and their
purpose is described.
Range mould components – cavity, part line, venting system, clamping
system, frame.
Competenz Ó New Zealand Qualifications Authority 2020
SSB Code 101571
NZQA unit standard 16119 version 7
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1.2 Specialised mould features and their purpose are described.
Range mould features – insulation, heat deflectors, heat pins, filling ports,
transvectors, heating fins, insert holders, drop box, core pins,
lifting attachments.
1.3 The materials and manufacturing processes used for rotational mould
construction are described.
Range materials – aluminium, nickel, mild steel, stainless steel;
manufacturing processes – casting, pre-fabricating,
electroforming, CNC machining.
1.4 The requirement for and method of accommodating venting and product
shrinkage within rotational moulds is explained.
Outcome 2
Perform mould servicing.
Range servicing of two moulds with different configurations is required.
Performance criteria
2.1 All moulding and mould contact surfaces are inspected for damage and wear
and results are reported.
2.2 Mould storage procedures are performed.
Range examples of storage procedures are – external inspection,
cleaning, surface protection coating.
Outcome 3
Demonstrate knowledge of and apply mould release agents.
Performance criteria
3.1 The function and purpose of mould release agents is described.
Range evidence of two different levels of slip is required.
3.2 Mould is prepared for the application of mould release agent and is clean and
free from contamination, in accordance with supplier’s instructions.
3.3 Mould release agent is selected and applied in accordance with supplier’s
instructions.
Range application may include but is not limited to – maintaining
cleanliness, base coat life optimisation, specialised release agents
applied as required.
Competenz Ó New Zealand Qualifications Authority 2020
SSB Code 101571
NZQA unit standard 16119 version 7
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Planned review date 31 December 2022
Status information and last date for assessment for superseded versions
Process Version Date Last Date for Assessment
Registration 1 20 January 1999 31 December 2018
Revision 2 15 November 2002 31 December 2018
Revision 3 17 March 2004 31 December 2018
Rollover and
4 25 September 2006 31 December 2018
Revision
Review 5 11 December 2009 31 December 2021
Review 6 15 September 2016 31 December 2022
Review 7 27 September 2018 N/A
Consent and Moderation Requirements (CMR) reference 0013
This CMR can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.
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 Ó New Zealand Qualifications Authority 2020
SSB Code 101571
