ISO 6880:1983

Overview

ISO 6880:1983 is an International Standard established by the International Organization for Standardization (ISO) that defines the main dimensions and attachment points for trailed units of shallow tillage equipment used in agriculture. This standard specifically addresses the modular arrangement and above-ground positioning of yokes on bearer frames, which are critical components designed for coupling soil working equipment in farming operations.

The standard applies to shallow tillage machinery with a traction resistance of up to 1,200 N per meter of working width. While it provides detailed dimensional guidance on yokes, it does not dictate their exact design, thereby allowing manufacturers flexibility within specified limits to ensure compatibility and interoperability.

Key Topics

• Scope and Application: ISO 6880 focuses on shallow tillage equipment that is trailed by tractors and other machinery, ensuring standardized mating points for coupling soil working implements.
• Main Dimensions:
  • Distance between yokes (S)
  • Yoke height above ground (H)
  • Diameter of yoke hole (d)
  • Distance between yoke sides (a)
  • Distance from hinge axle to front yoke wall (b)
  • Distance from hinge centre to the farthest point of a yoke (R)
    These dimensions outline the physical parameters necessary for effective and secure attachment of equipment components.
• Modular Arrangement: Establishes a standardized configuration of yokes on bearer frames to ensure compatibility between various models and manufacturers.
• Traction Resistance Limit: Equipment designs considered under this standard must not exceed traction resistance of 1,200 N per meter, supporting performance consistency and safety.
• Attachment Points: Specifies above-ground disposition of yokes crucial for coupling bearer frames and traction links to soil working machinery.

Applications

ISO 6880:1983 is widely utilized in the design and manufacture of agricultural machinery specializing in soil preparation and shallow tillage. Key applications include:

• Design and production of shallow soil cultivating equipment such as harrows, cultivators, and other trailed implements.
• Standardized coupling mechanisms between tractors and tillage implements to ensure quick, secure, and reliable attachments.
• Enhancing interoperability between equipment from different manufacturers, promoting greater flexibility for farmers.
• Guiding manufacturers in developing modular bearer frames that accommodate various soil working implements while maintaining dimensional compatibility.
• Assisting equipment maintenance and replacement operations through adherence to standardized dimensions.

By complying with ISO 6880, agricultural machinery manufacturers and users benefit from predictable performance in terms of compatibility, durability, and safety of shallow tillage operations.

Related Standards

• ISO 4254 series: Agricultural machinery - Safety requirements and test methods for various types of cultivation equipment.
• ISO 6692: Machinery for agriculture and forestry - Terminology related to tractors and machinery attachments.
• ISO 730-1: Tractors and machinery for agriculture - Safety and performance requirements for coupling devices.
• National standards harmonized with ISO 6880 may also exist to address region-specific agricultural equipment regulations.

By standardizing key dimensions and attachment points for shallow tillage equipment, ISO 6880:1983 plays a pivotal role in advancing agricultural machinery interoperability, safety, and efficiency-ultimately supporting sustainable agricultural productivity worldwide.