22168 version 2
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Describe the process of and produce carded batting for mechanically
needled products
Level
3
Credits
6
Purpose
People credited with this unit standard are able to: describe the carding
processes from blended fibre up to the batt prepared for needling; prepare
and operate machines to produce carded batting for mechanically needled
products; identify and correct machine malfunctions and deviations from
product quality; and clean machines and maintain cleanliness in work areas
and machinery.
Subfield
Textiles Manufacture
Domain
Non-Woven Textile Processing
Status
Registered
Status date
15 December 2005
Date version published
16 April 2010
Planned review date
31 December 2013
Entry information
Open.
Accreditation
Evaluation of documentation and visit by NZQA and
industry.
Standard setting body (SSB)
Competenz
Accreditation and Moderation Action Plan (AMAP) reference
0030
This AMAP can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.
Special notes
1
Performance of the elements of this unit standard must comply with the following
enactment, the Health and Safety in Employment Act 1992.
2
Workplace procedures refer to the documented methods for performing work
activities and include health and safety, operational, environmental, and quality
management requirements. They may refer to manuals, manufacturer’s
specifications, codes of practice, or policy statements.
 New Zealand Qualifications Authority 2016
22168 version 2
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Elements and performance criteria
Element 1
Describe the carding processes from blended fibre up to the batt prepared for needling.
Performance criteria
1.1
Process line sections are identified and described in terms of their function and
operation.
Range
sections may include but not are not limited to – final blending bin,
chemical additive system, hopper feed system, carding section,
batt forming section, preparation of batt for needling, all ducting
and transfer mediums, fans.
1.2
The purpose of each stage of the process and its importance towards the final
product is described.
1.3
The effects of incorrect blending and contamination in carding processes are
described in terms of product quality.
1.4
Machine and batch information is identified and interpreted from the work
instructions and production batch cards.
Element 2
Prepare and operate machines to produce carded batting for mechanically needled
products.
Performance criteria
2.1
Machine is prepared for operation in accordance with workplace procedures,
work instructions, and production batch cards.
Range
chemical additives, correct hopper and card roller settings
machine tolerances, batt forming settings, settings for cross-lapper
(if used).
2.2
Start-up sequence for machinery is followed in accordance with machine
requirements and workplace procedures.
2.3
Fibre is fed to the line in accordance with plant operating procedure and
machine requirements.
Range
2.4
batch identified, correct feeding bin allocated, line checked for
contamination, hopper and feed levels maintained.
Machines are operated in accordance with plant safety practices.
 New Zealand Qualifications Authority 2016
22168 version 2
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2.5
Product and machinery are monitored during processing and adjustments are
made, if required, to optimise production and maintain quality standards in
accordance with workplace procedures.
2.6
Production is handled and records are maintained in accordance with workplace
procedures.
Element 3
Identify and correct machine malfunctions and deviations from product quality.
Performance criteria
3.1
Process interruptions and line faults that affect quality are identified and
corrected in accordance with workplace practice.
Range
3.2
Machine malfunction is identified and corrective action is taken in accordance
with workplace procedures.
Range
3.3
may include but are not limited to – roller laps, width variation, loft
variation.
may include but is not limited to – feed roller blockages, bearing
and shaft wraps, unexplained noise.
Cross-lapping machine production is monitored for the correct number of plies
and the correct speed of operation in accordance with the specification batch
card.
Element 4
Clean machines and maintain cleanliness in work areas and machinery.
Performance criteria
4.1
Machines are cleaned at the end of a batch in accordance with plant safety
procedures.
4.2
Cleanliness is maintained in work areas and machinery throughout the process
in accordance with workplace procedures.
4.3
The main processing section is cleared of waste fibre in accordance with
workplace procedures.
4.4
Waste fibre is collected and sorted for recycling in accordance with workplace
procedures.
 New Zealand Qualifications Authority 2016
22168 version 2
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Please note
Providers must be accredited by NZQA, or an inter-institutional body with delegated
authority for quality assurance, before they can report credits from assessment against
unit standards or deliver courses of study leading to that assessment.
Industry Training Organisations must be accredited by NZQA 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 organisations
wishing to develop education and training programmes, such as minimum qualifications for
tutors and assessors, and special resource 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.
 New Zealand Qualifications Authority 2016