Overview
SIST EN ISO 9902-4:2002/A2:2014 is the amendment 2 to the established international standard ISO 9902-4:2001, issued by CEN and ISO, focused on noise measurement procedures for textile machinery. This part specifically addresses noise test codes for yarn processing, cordage, and rope manufacturing machinery. The standard is essential for defining uniform testing methods and ensuring consistent evaluation of noise emission levels within these segments of textile machinery.
The amendment improves the testing protocols to reflect the evolving technological landscape of yarn and rope production equipment and aligns testing with stringent noise emission regulations. It supports compliance with essential requirements of EU directives related to machinery safety and environmental impact, promoting occupational health and industrial noise control.
Key Topics
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Scope and Application
The standard applies to textile machines used in yarn processing as well as those manufacturing cordage and ropes. It standardizes noise testing to measure how much noise the machinery emits during operation, ensuring safe work environments and regulatory compliance.
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Noise Measurement Methods
EN ISO 9902-4/A2 outlines clear procedures for acoustical measurement of Textile machinery noise emissions, stressing reproducibility and reliability of results. Due to the complex operational conditions, certain high-precision (grade 1) measurement methods are noted as generally not feasible for these machines.
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Test Conditions Requirements
The amendment addresses the demanding environmental and operational conditions necessary for accurate noise level determination, ensuring consistent testing regardless of machinery variations.
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Harmonization with Legislation
The standard conforms with EU machinery directives, offering manufacturers and operators a recognized means to demonstrate adherence to noise emission limits mandated in different jurisdictions while ensuring worker protection.
Applications
SIST EN ISO 9902-4:2002/A2:2014 is applied in:
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Textile Manufacturing Plants
Evaluating yarn processing machines, cordage production lines, and rope manufacturing setups for noise emissions, helping ensure machinery meets occupational health standards.
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Equipment Design and Improvement
Assisting textile machine manufacturers in designing quieter equipment by providing benchmark noise testing procedures and criteria for improvement.
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Regulatory Compliance and Safety Audits
Facilitating compliance demonstrations to regulatory bodies and workplace safety inspections through standardized noise level reporting.
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Environmental Impact Assessment
Measuring machine noise contributes to broader environmental noise management programs in industrial facilities.
Related Standards
ISO 9902 is a multi-part series dedicated to noise test codes for various types of textile machinery. Related parts include:
- EN ISO 9902-1: Noise test codes for spinning preparatory machinery
- EN ISO 9902-2: Noise testing for spindle-based textile machinery
- EN ISO 9902-3: Noise measurement methods for weaving preparation machinery
Additionally, this amendment complements standards related to machinery safety (e.g., machinery directive EN 12100) and noise emission (e.g., ISO 11200 series on noise emission principles).
Keywords: Textile machinery noise test, yarn processing machinery, cordage manufacturing noise standard, rope-making equipment noise measurement, ISO 9902-4 amendment, industrial noise control, textile equipment noise regulations, EU machinery directive compliance, occupational noise safety in textiles