18323 version 2
28-Jun-16
1 of 4
CAN MAKING
Set a mechanically automated scroll
shear to cut steel sheets into scrolled
strips
level:
3
credit:
5
planned review date:
November 2009
sub-field:
Manufacturing Skills
purpose:
This unit standard covers the setting of mechanically
automated scroll shears to cut sheets of steel up to 1040 mm
x 1040 mm x 0.4 mm in size, fed automatically from a
magazine, into scrolled strips with cutting capacity up to 105
strokes per minute and cutting power of up to 16 tonnes.
People credited with this unit standard are able to: set a
mechanically automated scroll shear for plate size; test run;
and perform quality control checks on a product from a
mechanically automated scroll shear.
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
Mechanically automated means automation achieved
by use of cam timers and cam levers
Product specifications refers to the documented
requirements of the manufactured item.
Scrolled means a castellated edge to minimise wastage
and get maximum components from a sheet.
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.
 New Zealand Qualifications Authority 2016
18323 version 2
28-Jun-16
2 of 4
CAN MAKING
Set a mechanically automated scroll
shear to cut steel sheets into scrolled
strips
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
Set a mechanically automated scroll shear for plate size.
performance criteria
1.1
Scroll shear is isolated and locked out in accordance with worksite procedures.
1.2
Tools and fittings for setting are identified and selected in accordance with
worksite procedures.
1.3
Scroll shear preparation and setting is explained in terms of setting sequence
and potential safety hazards in accordance with worksite procedures.
1.4
Cutter damage or wear that may prevent product from meeting specification is
identified and remedied in accordance with worksite procedures.
1.5
Scroll shear is set in accordance with worksite procedures.
Range:
scroll shear setting may include but is not limited to – scroll head
height, top pawls, feed fingers, sheet break, feed sensor, sheet
return, cutters.
 New Zealand Qualifications Authority 2016
18323 version 2
28-Jun-16
3 of 4
CAN MAKING
Set a mechanically automated scroll
shear to cut steel sheets into scrolled
strips
element 2
Test run a mechanically automated scroll shear.
performance criteria
2.1
Raw materials, product, and scroll shear operation are explained in terms of
common problems and corrective actions in accordance with worksite
procedures.
Range:
common problems to include – irregular plate width, tapered plate,
feed faults, plate out of square, dented plate.
2.2
Scroll shear is test run in accordance with worksite procedures.
2.3
Scroll shear adjustments are made until scroll shear operates in accordance
with worksite procedures.
element 3
Perform quality control checks on a product from a mechanically automated scroll shear.
Range:
quality control checks to include – scrolled sheet width, off-cut width, tapered
plate, scrolled plate burr.
performance criteria
3.1
Quality control checks are performed and recorded in accordance with worksite
procedures.
3.2
Quality control check results are explained in terms of relationships with scroll
shear 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.
 New Zealand Qualifications Authority 2016
18323 version 2
28-Jun-16
4 of 4
CAN MAKING
Set a mechanically automated scroll
shear to cut steel sheets into scrolled
strips
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.
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