Page 4 of 4
Title / Prepare and operate an air-entangling or air-twisting machine to wind yarn
Level / 3 / Credits / 8
Purpose / This unit standard is for people working in the yarn making industry. People credited with this unit standard are able to: demonstrate knowledge of an air- entangling or air-twisting machine; comply with company and statutory health, safety, and environment requirements; prepare and operate an air-entangling or air-twisting machine; identify and fix operational and product faults; clean air-entangling or air-twisting machine and work area; and keep records.
Classification / Textiles Manufacture > Core Yarn Processing
Available grade / Achieved
Entry information
Critical health and safety prerequisites / Prerequisite: Unit 4194, Wind yarn, or demonstrate equivalent knowledge and skills.
Explanatory notes
1 Competence will be demonstrated on the type of air-entangling or air-twisting machine installed in the candidate’s workplace. This may be hank to package or package to package with manual or automatic doffing.
2 Competence will be demonstrated on a range of products produced in the candidate’s workplace.
3 Performance of the elements must comply with the Health and Safety in Employment Act 1992.
4 Workplace productivity and quality requirements must be met.
5 Workplace procedures refer to the verbal or documented procedures 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.
Outcomes and evidence requirements
Outcome 1
Demonstrate knowledge of an air-entangling or air-twisting machine.
Evidence requirements
1.1 Parts of the machine are identified and described in terms of their function and operation.
Range may include but is not limited to – accumulator, compressor, conveyor belt, creel, driving spindle, emergency stop button and cable, jet box, machine controls, overfeed rollers, tension devices, tube holders, tube magazine, twist tubes, yarn cutter, yarn detectors, yarn guides, yarn lift.
1.2 Reasons for air entangling or air twisting are explained in terms of product characteristics and end uses.
Outcome 2
Comply with company and statutory health, safety, and environment requirements.
Evidence requirements
2.1 Company-supplied clothing, safety equipment, and materials are worn and used according to workplace procedures and statutory requirements.
2.2 Work methods comply with workplace procedures and statutory requirements to minimise the risk of ill-health and injuries to self and others.
2.3 Unsafe and unhealthy conditions are identified and reported according to workplace procedures and statutory requirements.
Outcome 3
Prepare and operate an air-entangling or air-twisting machine.
Evidence requirements
3.1 Machine is prepared for operation according to workplace procedures.
Range yarn identified, creel loaded, yarn thread up completed, tension devices adjusted, take-up package put in place.
3.2 Machine is operated according to workplace procedures.
3.3 Test samples are taken according to workplace procedures.
3.4 Machine settings are adjusted to produce packages to in accordance with workplace procedures.
Range tension, package build and density.
3.5 Yarn is processed according to workplace procedures.
Range creel maintained, tube magazine maintained, end breaks mended, full packages doffed and stacked, test samples taken.
Outcome 4
Identify and fix operational and product faults.
Evidence requirements
4.1 Yarn faults are identified and corrective action is taken according to workplace procedures.
Range may include but is not limited to – yarn breaks, yarn appearance, package build and density, contamination.
4.2 Yarn joins are made according to workplace procedures.
Range may include but is not limited to – knot, splice.
4.3 Machine faults are identified and corrective action is taken according to workplace procedures.
Range may include but is not limited to – uneven twist, loose twist, over twist.
Outcome 5
Clean air-entangling or air-twisting machine and work area.
Evidence requirements
5.1 Machine and work area are kept clear of fibre and waste to prevent contamination.
5.2 Machine is cleaned at batch end and/or periodically in accordance with workplace procedures.
5.3 Waste is collected and sorted according to workplace procedures.
Outcome 6
Keep records.
Evidence requirements
6.1 Production records are maintained according to workplace procedures.
Range machine batch settings, production records, maintenance records.
This unit standard is expiring. Assessment against the standard must take place by the last date for assessment set out below.
Status information and last date for assessment for superseded versions
Process / Version / Date / Last Date for Assessment /Registration / 1 / 21 November 2008 / 31 December 2019
Review / 2 / 19 May 2016 / 31 December 2019
Consent and Moderation Requirements (CMR) reference / 0030
This CMR can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.
Please note
Providers must be granted consent to assess against standards (accredited) by NZQA, before they can report credits from assessment against unit standards or deliver courses of study leading to that assessment.
Industry Training Organisations must be granted consent to assess against standards by NZQA before they can register credits from assessment against unit standards.
Providers and Industry Training Organisations, which have been granted consent and which are assessing against unit standards must engage with the moderation system that applies to those standards.
Requirements for consent to assess and an outline of the moderation system that applies to this standard are outlined in the Consent and Moderation Requirements (CMR). The CMR 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.
CompetenzSSB Code 101571 / Ó New Zealand Qualifications Authority 2017 / / New Zealand Qualifications Aut