SIST ISO 8082-1:2015 PDF

Overview

ISO 8082-1:2009 - Self-propelled machinery for forestry: Laboratory tests and performance requirements for roll‑over protective structures (Part 1: General machines) defines a reproducible laboratory method for evaluating the force–deflection characteristics of roll‑over protective structures (ROPS) on self‑propelled forestry machines under static loading. The standard prescribes performance requirements for a representative specimen and is applicable to forwarders, skidders, feller‑bunchers, processors, harvesters and log loaders (per ISO 6814). Machines with a rotating platform and cab/boom are excluded and covered by ISO 8082‑2.

Key topics and technical requirements

• Purpose: provide consistent, repeatable static tests to assess ROPS structural performance and energy absorption.
• Test scope: measures force–deflection response and calculates energy as the area under the force–deflection curve.
• Test sequence: lateral → vertical → longitudinal static loading; no repair or straightening between phases.
• Loading details:
  • Lateral loading applied to top longitudinal members using a load‑distribution device; device length ≤ 80% of span between posts for multi‑post ROPS.
  • Vertical loading uses a 250 mm wide beam applied at the top after lateral testing.
  • Longitudinal loading applied along the ROPS centreline to the deformed (post‑lateral) location.
• Measurement and instrumentation:
  • Instruments must record force and deflection; accuracy requirement ±5% of maximum measured values.
  • Deflection application rate considered static (speed