ISO 3919:2005/Amd 1:2014

Overview

ISO 3919:2005/Amd 1:2014 is an important amendment to the international standard ISO 3919:2005, focusing on coated abrasives - flap wheels with shaft. Issued by the International Organization for Standardization (ISO), this amendment updates specifications for flap wheels used in various grinding and finishing applications. The primary modification involves expanding the range of flap wheel sizes by including two smaller diameter options in Table 1, thereby enhancing product versatility and applicability.

Key Topics

• Flap Wheels with Shaft: These are coated abrasive tools designed with multiple overlapping abrasive flaps mounted around a central shaft. They are widely used for surface preparation, deburring, blending, and finishing in metalworking and woodworking.

• Dimensional Specifications: The amendment revises the dimensional table (Table 1) to introduce smaller diameter flap wheels, thus broadening the scope of standardized sizes available for these tools.

• Standardization Benefits:

  • Facilitates consistent quality and compatibility among flap wheels and corresponding machinery.
  • Promotes safety and performance through adherence to standardized dimensions.
  • Ensures manufacturers and users have a clear guideline for product development and procurement.

• ISO Committee Involvement: The document was developed by ISO/TC 29, Subcommittee SC 5, responsible for grinding wheels and abrasives, ensuring expert input from industry stakeholders.

Applications

Flap wheels with shafts standardized under ISO 3919:2005/Amd 1:2014 serve critical roles in:

• Metalworking Industries: Used for smoothing weld seams, preparing surfaces for painting, polishing, and finishing metal components.
• Automotive Manufacturing: Essential in paint preparation, rust removal, and surface finishing of vehicle parts.
• Woodworking: Fine sanding and surface preparation for furniture and cabinetry.
• Aerospace and Heavy Machinery: Suitable for precision surface conditioning and maintenance of high-grade materials.
• General Industrial Maintenance: Cleaning and refurbishing machinery surfaces safely and efficiently.

The amendment’s inclusion of additional smaller diameter sizes enables greater precision and adaptability, especially vital for delicate or detailed work where larger flap wheels may be impractical.

Related Standards

• ISO 9001 – Quality Management Systems: Supports manufacturers in maintaining consistent quality in producing coated abrasives.
• ISO 525 – Safety requirements for grinding wheels: Provides complementary safety guidelines when using abrasive tools like flap wheels.
• ISO 21952 – Coated abrasives - Dimensions: Details additional dimensional standards for coated abrasives beyond flap wheels.
• ISO/IEC Directives: Governs the development and maintenance process for ISO standards, ensuring consistent international applicability.

Practical Value

Adopting ISO 3919:2005/Amd 1:2014 offers the following advantages:

• Enhanced Tool Selection: Access to a broader range of flap wheel sizes tailored to specific tasks improves operational efficiency.
• Interoperability: Standardized dimensions facilitate compatibility with various grinding and polishing machines worldwide.
• Quality Assurance: Uniform standards elevate overall product safety and effectiveness, reducing tool failure and material damage.
• Global Trade Facilitation: Alignment with ISO standards simplifies procurement and regulatory compliance in international markets.

By adhering to the updated ISO 3919 standard, manufacturers, suppliers, and end-users benefit from improved product consistency, performance, and safety in coated abrasive flap wheels with shafts.

For more information, visit the official ISO website at www.iso.org or contact the ISO copyright office.