18328 version 2
28-Jun-16
1 of 5
CAN MAKING
Set up and monitor an automated
tinplate seam welding machine
level:
4
credit:
20
planned review date:
November 2009
sub-field:
Manufacturing Skills
purpose:
This unit standard covers setting and monitoring of fully
automated tinplate seam welding machines which comprise
automated feeding, flexing, roll-forming, body conveying and
seam welding to form a single module.
People credited with this unit standard are able to: prepare
an automated tinplate seam welder for a changeover;
perform a changeover on; test run and monitor; and perform
quality control checks on product from, an automated tinplate
seam welder.
entry information:
Open.
accreditation option:
Evaluation of documentation and visit by NZQA.
moderation option:
A national moderation system of regional panels and
assessor networks has been established by Competenz.
special notes:
1
Definitions
Key points describe anything that may: result in the
success, or otherwise, of a given job; cause injury or
damage; or make the task easier to perform.
Key steps are actions that must be done, as a logical
sequence of an operation, to advance the work.
Product specifications refers to the documented
requirements of the manufactured item.
Setup, in the context of this unit standard, is
synonymous with the term changeover. Either term
may be used in the reading and interpretation of this
unit standard.
 New Zealand Qualifications Authority 2016
18328 version 2
28-Jun-16
2 of 5
CAN MAKING
Set up and monitor an automated
tinplate seam welding machine
Worksite procedures means all documented operational
procedures put in place by the candidate’s employer.
These include: site safety procedures; equipment
operating procedures; standard job procedures; and
procedures for the handling and disposal of materials
and waste.
2
All work practices must meet recognised codes of
practice and documented worksite safety procedures
(where these exceed the code) for personal, product,
and worksite safety, and must meet the obligations
required under current legislation.
3
Legislation relevant to this unit standard includes but is
not limited to the: Health and Safety in Employment Act
1992; Resource Management Act 1991; Hazardous
Substances and New Organisms Act 1996.
Elements and Performance Criteria
element 1
Prepare an automated tinplate seam welder for a changeover.
Range:
one of – height, diameter.
performance criteria
1.1
Welder is isolated and locked out in accordance with worksite procedures.
1.2
Welder changeover is explained in terms of potential safety hazards in
accordance with worksite procedures.
1.3
Tools and fittings for welder changeover are identified and selected in
accordance with worksite procedure.
1.4
Preparation of welder for changeover is performed in accordance with worksite
procedures.
 New Zealand Qualifications Authority 2016
18328 version 2
28-Jun-16
3 of 5
CAN MAKING
Set up and monitor an automated
tinplate seam welding machine
element 2
Perform a changeover on an automated tinplate seam welder.
Range:
one of – height, diameter.
performance criteria
2.1
Welder changeover is explained in terms of purpose and method of operation,
and key points to ensure correct operation for each key step.
2.2
Welder changeover is performed in accordance with worksite procedures.
Range:
welder changeover adjustments may include but are not limited to
– magazine adjustments, dog chain change and or adjustment,
feeder adjustment and synchronisation, waiting angle, welding
calibration tool, production and wire speeds, body roll, guidance
cage, monitor reprogramming, wire width.
Evidence of seven changeover adjustments is required.
element 3
Test run and monitor an automated tinplate seam welder.
performance criteria
3.1
Raw materials, welder operation, and product are explained in terms of
common problems and corrective actions in accordance with worksite
procedures.
Range:
3.2
common problems to include – unwelded bodies, bodies welded
together, stepped bodies, weld splatter, incorrect body roll, misfeeding, malformed cylinders.
Evidence of six common problems is required.
Welder is test run and monitored in accordance with worksite procedures.
 New Zealand Qualifications Authority 2016
18328 version 2
28-Jun-16
4 of 5
CAN MAKING
Set up and monitor an automated
tinplate seam welding machine
3.3
Welder checks and adjustments are made until welder operates in accordance
with worksite procedures.
Range:
3.4
welder checks to include – body roll, tin deposit, weld integrity,
weld overlap, weld tear, roll down (weld reversal), weld monitor,
lacquer strip test, wire gap, can shape, current setting.
Outfeed conveyor and turnover belts are set to can size in accordance with
worksite procedures.
element 4
Perform quality control checks on product from an automated tinplate seam welder.
Range:
quality control checks to include – weld integrity, weld tear, roll down (weld
reversal), lacquer strip, overlap, current setting.
performance criteria
4.1
Quality control checks are performed and recorded in accordance with worksite
procedures.
4.2
Quality control check results are explained in terms of relationships between
welder settings, product specification tolerances, and variance trends.
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.
Please Note
Providers must be accredited by the Qualifications Authority or a delegated interinstitutional body before they can register credits from assessment against unit standards
or deliver courses of study leading to that assessment.
Industry Training Organisations must be accredited by the Qualifications Authority before
they can register credits from assessment against unit standards.
Accredited providers and Industry Training Organisations assessing against unit standards
must engage with the moderation system that applies to those standards.
 New Zealand Qualifications Authority 2016
18328 version 2
28-Jun-16
5 of 5
CAN MAKING
Set up and monitor an automated
tinplate seam welding machine
Accreditation requirements and an outline of the moderation system that applies to this
standard are outlined in the Accreditation and Moderation Action Plan (AMAP). The
AMAP also includes useful information about special requirements for providers wishing to
develop education and training programmes, such as minimum qualifications for tutors and
assessors, and special resource requirements.
This unit standard is covered by AMAP 0013 which can be accessed at
http://www.nzqa.govt.nz/site/framework/search.html.
 New Zealand Qualifications Authority 2016