8109 version 4
28-Jun-16
1 of 3
LEATHER - CUTTING AND CLOSING
Join pieces of leather or other material
by zig zag seam in the footwear or
associated industries
level:
2
credit:
3
planned review date:
November 2005
sub-field:
Footwear and Leather Trades
purpose:
People credited with this unit standard are able to: set up zig
zag sewing machine and attachments; maintain the machine
and identify sewing faults; and zig zag seams to specified
industry performance and company quality standards.
entry information:
Open.
accreditation option:
Evaluation of documentation 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 Health
and Safety in Employment Regulations 1995.
3
It is recommended that people be credited with
Unit 8108, Set up and use a single needle lockstitch
sewing machine in the footwear industry or have
demonstrated equivalent knowledge and skills.
8109 version 4
28-Jun-16
2 of 3
LEATHER - CUTTING AND CLOSING
Join pieces of leather or other material
by zig zag seam in the footwear or
associated industries
Elements and Performance Criteria
element 1
Set up zig zag sewing machine and attachments.
performance criteria
1.1
Machine attachments are adjusted to company requirements.
Range:
foot, needle plate.
1.2
Throw of needle meets product specification and/or company requirements.
1.3
Stitch length meets product specification and/or company requirements.
1.4
Needle meets product specification and/or company requirements.
1.5
Thread meets product specification and/or company requirements.
1.6
Tension meets product specification.
element 2
Maintain the machine and identify sewing faults.
performance criteria
2.1
Machine is cleaned and oiled according to company requirements and
manufacturer's recommendations.
2.2
Thread faults are identified and their effect is explained.
Range:
2.3
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.
8109 version 4
28-Jun-16
3 of 3
LEATHER - CUTTING AND CLOSING
Join pieces of leather or other material
by zig zag seam in the footwear or
associated industries
element 3
Zig zag seams.
performance criteria
3.1
Work is completed to specified industry performance standard.
3.2
Work is completed to company quality standards.
Range:
tension, backstitch, symmetry, alignment, length of thread ends.
3.3
Documentation is completed to company requirements and practice.
3.4
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.