ISO 9902-3:2001/Amd 2:2014

Overview

ISO 9902-3:2001/Amd 2:2014 is an international standard published by the International Organization for Standardization (ISO) that provides an amendment to the noise test code specifically for nonwoven textile machinery. As part of the ISO 9902 series, this standard focuses on acoustic testing methods designed to measure noise emissions from machinery used in the production of nonwoven textiles. Nonwoven machinery includes equipment such as carding machines, air-laid machines, and spunbond lines that manufacture textile products without weaving or knitting.

This Amendment 2, issued in 2014, adds clarifications and specific conditions related to noise measurement protocols. The amendment emphasizes practical considerations such as the high requirements for measurement conditions, stating that Class 1 acoustic measurement methods are generally not applicable to textile machinery due to practical constraints.

Key Topics

• Noise Test Code for Nonwoven Machinery: The standard outlines procedures for conducting noise emission tests to assess the acoustic impact of nonwoven textile machinery.
• Measurement Conditions: Specifies the environmental and operational conditions under which noise tests should be performed to ensure repeatability and accuracy.
• Class 1 vs. Class 2 Measurement Methods: Clarifies that while highly precise Class 1 methods exist, they are typically unsuitable for textile machinery due to high complexity and operational constraints. Class 2 methods are more applicable.
• Safety and Compliance: Supports manufacturers and operators in meeting regulatory noise emission limits, promoting workplace safety and environmental compliance.
• Standardization and Harmonization: Enables global alignment of noise testing methods across the textile machinery industry, improving comparability and certification processes.

Applications

ISO 9902-3:2001/Amd 2:2014 is primarily applied by:

• Textile Machinery Manufacturers: To design and test machinery that meets international noise emission standards and reduce occupational noise exposure.
• Quality and Compliance Engineers: For conducting routine acoustic evaluations as part of machinery acceptance and maintenance procedures.
• Regulatory Bodies and Inspectors: As a reference standard for ensuring that nonwoven machinery complies with noise pollution regulations.
• Research and Development Teams: To benchmark acoustic performance of new equipment designs in nonwoven textile production.
• Occupational Health Professionals: To assess noise risks and recommend controls in facilities using nonwoven machinery.

By adopting these standardized noise test methods, the textile industry can enhance worker health, reduce noise pollution, and achieve better equipment performance transparency.

Related Standards

• ISO 9902-1 / ISO 9902-2: Noise test codes for other types of textile machinery like conventional textile and spinning machines.
• ISO 6395: Safety requirements for textile machinery, complementing noise test standards for comprehensive machine safety.
• ISO/IEC Directives, Part 1 & 2: Guidelines for the preparation and updating of ISO standards, referenced in the amendment introduction.
• ISO 14001: Environmental management standards that relate to noise pollution control in industrial environments.

Summary

ISO 9902-3:2001/Amd 2:2014 amendment is an essential document for professionals involved in the manufacture, operation, and regulation of nonwoven textile machinery noise emissions. It advances harmonized acoustic testing practices by specifying test codes that balance technical precision with practical applicability in textile production environments. Utilizing this standard helps ensure machinery complies with international noise standards, promoting safer workplaces and environmentally responsible manufacturing.