NZQA Expiring unit standard
18924 version 6
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Title
Control and optimise the glass container forming process
Level
4
Credits
20
Purpose
People credited with this unit standard are able to control and
optimise gob forming and delivery on two types of independent
section (IS) machine, and control and optimise the IS machine
container forming process.
Classification
Glass and Glazing > Glass Container Manufacturing
Available grade
Achieved
Entry information
Recommended skills
and knowledge
Recommended: Unit 18920, Perform advanced operations for
glass container forming, or demonstrate equivalent knowledge
and skills.
Explanatory notes
1
All work practices must meet enterprise health and safety requirements.
2
Enterprise means an organisation where training and/or assessment is taking place,
and/or where the trainee is employed.
3
Enterprise procedure is defined as 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.
4
Definitions
Mould gear is components of the blank side and mould side.
Blank side components are plunger, thimble, neck ring, blank mould, funnel, baffle.
Mould side components are blow mould, mould bottom plate, distributor (vertiflow)
plate, blow head, take out grips.
Hours of production refer to production equipment run time, and not the total amount
of time spent demonstrating the required competencies.
5
Plastics and Materials Processing Industry Training Organisation unit standard
designation is Form 4.
This unit standard is
expiring
Competenz
SSB Code 8104
 New Zealand Qualifications Authority 2016
NZQA Expiring unit standard
18924 version 6
Page 2 of 3
Outcomes and evidence requirements
Outcome 1
Control and optimise gob forming and delivery on two types of IS machine.
Evidence requirements
1.1
Gob forming and delivery equipment shut down and restart is performed in
accordance with enterprise procedure.
1.2
Gob forming and delivery equipment is selected, and is set to optimise
production to product requirements.
Range
1.3
gob forming and delivery equipment – orifice ring size, needle
size, needle height and stroke, sleeve height and speed,
differential setting, shear height, shear blade setting, cam
selection, shot-gun size, scoop size, trough size, deflector size.
Glass conditioning temperatures and depth in forehearth are adjusted and
stabilised to optimise glass to product requirements.
Outcome 2
Control and optimise the IS machine container forming process.
Evidence requirements
2.1
Controls are adjusted to optimise production output and product quality on IS
machines in accordance with enterprise requirements.
This unit standard is
expiring
Machine settings are saved to file and new machine settings are loaded in
Range
2.2
controls include – machine speed, machine cooling requirement,
air pressure settings, machine event timing values, hot-end
coating settings, Lehr stacking requirements. Evidence is required
for two types of IS machine.
accordance with enterprise procedure.
Range
2.3
Mould gear modifications are described to meet enterprise production output
and product quality requirements.
Range
2.4
evidence is required for two types of IS machine.
evidence is required for three different modifications.
Production data is analysed for trends and corrective action is taken in
accordance with enterprise procedure.
Range
Competenz
SSB Code 8104
evidence is required over 200 hours of production.
 New Zealand Qualifications Authority 2016
NZQA Expiring unit standard
2.5
18924 version 6
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Methods for controlling and reducing waste in container manufacturing are
described.
waste includes – energy, raw materials, glass, manpower, product
failure, inefficient production. Evidence is required for three
examples of waste.
Range
This unit standard is expiring. Assessment against the standard must take place by
the last date for assessment set out below.
Status information and last date for assessment for superseded versions
Process
Version Date
Last Date for Assessment
Registration
1
18 December 2001
31 December 2015
Revision
2
13 February 2004
31 December 2015
Revision
3
20 September 2004
31 December 2015
Review
4
20 November 2006
31 December 2015
Review
5
16 April 2015
31 December 2018
Rollover
6
15 October 2015
31 December 2018
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.
This unit standard is
Providers and Industry Training Organisations,
which have been granted consent and
expiring
which are assessing against unit standards must engage with the moderation system that
Industry Training Organisations must be granted consent to assess against standards by
NZQA before they can register credits from assessment against unit standards.
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 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.
Competenz
SSB Code 8104
 New Zealand Qualifications Authority 2016