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Operate a computer controlled sewing
machine on footwear uppers
level:
3
credit:
6
planned review date:
November 2005
sub-field:
Footwear and Leather Trades
purpose:
People credited with this unit standard are able to:
demonstrate knowledge of the function of a computer
controlled sewing machine; set up computer controlled
sewing machine; maintain the machine and identify sewing
faults; and stitch work on a computer controlled sewing
machine using company equipment.
entry information:
Open.
accreditation option:
Evaluation of documentation and visit by NZQA and industry.
moderation option:
A centrally established and directed national moderation
system has been set up by Competenz.
special notes:
1
Specified industry performance is 55% BSI
performance or equivalent. BSI Performance is the
British Standards Institute internationally recognised
performance system (BS3138) where 100% is the
standard expected from a competent fully qualified
performer using the correct methods and taking the
allowed rest. Other comparable rating or performance
systems such as the 60/80 system are acceptable, with
the appropriate performance adjustment.
2
Company safety requirements must conform to the
Health and Safety in Employment Act 1992 and the
Health and Safety in Employment Regulations 1995.
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Operate a computer controlled sewing
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Elements and Performance Criteria
element 1
Demonstrate knowledge of the function of a computer controlled sewing machine.
performance criteria
1.1
The parts of a computer controlled sewing machine are identified and described
in terms of function and purpose, using company equipment.
Range:
1.2
sewing head, automatic thread trimming device, servo motors,
drive mechanism, needle type, pallet locking device, programme
control device.
Machine operating controls are identified and described in terms of function and
purpose, using company equipment.
Range:
means of changing programme, stitch length control, speed
control, operating controls.
element 2
Set up computer controlled sewing machine.
performance criteria
2.1
Stitch length meets product specification and/or company requirements.
2.2
Needle meets product specification and/or company requirements.
2.3
Thread meets product specification and/or company requirements.
2.4
Received work is checked against product specification and/or company
practice.
Range:
not distorted, no over cuts, notches and/or marks clear,
components complete, style, size, quantity.
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Operate a computer controlled sewing
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2.5
Programme is chosen to match product specification.
2.6
Pallet is selected according to product specification and to match selected
programme.
Range:
style, size, correct foot.
element 3
Maintain the machine and identify sewing faults.
performance criteria
3.1
Machine is cleaned and oiled according to company requirements and
manufacturer's recommendations.
3.2
Thread faults are identified and their effect explained.
Range:
3.3
tension variation, fraying, breaking.
Stitch faults are identified and their causes explained.
Range:
slip stitch – worn needle, poor quality thread, incorrect timing;
lock not in centre of material – tension adjustment;
laying of stitch – incorrect needle type, worn needle.
element 4
Stitch work on a computer controlled sewing machine using company equipment.
performance criteria
4.1
Components are assembled into pallet, and pallet is closed according to
product specification.
Range:
4.2
correct order of assembly, accurate position, held firmly, tight
down to pallet.
Pallet is locked into machine, and stitching programme is started according to
machine requirements.
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Operate a computer controlled sewing
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4.3
Stitching errors are rectified according to machine requirements and company
practice.
Range:
run offs, thread breaks, bobbin run outs.
4.4
Pallet is removed from machine and unloaded according to machine
requirements and product specification.
4.5
Work is completed to specified industry performance standard.
4.6
Work is completed to product specification and company quality standards.
Range:
stitch appearance, stitch length, accuracy.
4.7
Documentation is completed to company requirements and practice.
4.8
Work practices meet company safety 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.
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 0030 which can be accessed at
http://www.nzqa.govt.nz/framework/search/index.do.