ISO 19472:2006 PDF

Machinery for forestry — Winches — Dimensions, performance and safety

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Title (English):

ISO 19472:2006

Machinery for forestry — Winches — Dimensions, performance and safety

Document status:: Active
Format:: Electronic (PDF)
Number of pages:: 10
Publication date:: March 13, 2006
Edition:: ISO IS 19472 edition 1 version 1
ICS:: 65.060.80

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Description (English):

ISO 19472:2006 defines terms, and specifies performance and safety requirements for winches used in forestry. It is applicable to fixed and detachable winches and their components mounted on mobile and self-propelled forestry machinery such as skidders and forwarders as defined in ISO 6814 and on agricultural tractors used for skidding in forestry operations. It is not applicable to winches used for hoisting operations on cranes, draglines, high lead logging, cable logging systems or yarding.

Technical details

Technical committee: ISO/TC 23/SC 15 - Machinery for forestry
SKU: ISO 19472:2006

Abstract

Overview

ISO 19472:2006 - Machinery for forestry - Winches - Dimensions, performance and safety specifies terms, dimensional requirements, performance calculations and safety criteria for winches used in forestry. It applies to fixed and detachable winches and components mounted on mobile and self-propelled forestry machines (for example, skidders and forwarders as defined in ISO 6814) and on agricultural tractors used for skidding. It excludes winches used for hoisting on cranes, draglines, high‑lead logging, cable‑logging systems and yarding.

Key topics and technical requirements

Dimensions and drum geometry: Defines drum parameters (barrel and flange diameters, distance between flanges, flange depth, throat clearance) and requires the rope clearance distance S to be equal to two rope diameters (S = 2d).
Storage capacity, line pull and line speed: Provides formulas to calculate rope storage on the drum, line pull (F) and line speed (v) for bare and full drum conditions; calculations account for gear reduction, torque, rope diameter and drum dimensions.
Rope and drum design:
- Minimum barrel‑to‑rope diameter ratio of 8:1.
- Winch design must prevent rope overrun of flanges; housings extending 2d beyond flange or use of kickers/crossbars are acceptable solutions.
Rope breaking load and fastening:
- Minimum static breaking load: 1.4× rated line pull when operator is protected in cab; 2× rated line pull for other applications.
- Drum must have a rope attachment designed to avoid damage; a breakaway anchor is recommended with defined disengagement limits (e.g., disengage at

Related standards

Mentioned in the description and other ISO standards

Overview

Key topics and technical requirements

Dimensions and drum geometry: Defines drum parameters (barrel and flange diameters, distance between flanges, flange depth, throat clearance) and requires the rope clearance distance S to be equal to two rope diameters (S = 2d).
Storage capacity, line pull and line speed: Provides formulas to calculate rope storage on the drum, line pull (F) and line speed (v) for bare and full drum conditions; calculations account for gear reduction, torque, rope diameter and drum dimensions.
Rope and drum design:
- Minimum barrel‑to‑rope diameter ratio of 8:1.
- Winch design must prevent rope overrun of flanges; housings extending 2d beyond flange or use of kickers/crossbars are acceptable solutions.
Rope breaking load and fastening:
- Minimum static breaking load: 1.4× rated line pull when operator is protected in cab; 2× rated line pull for other applications.
- Drum must have a rope attachment designed to avoid damage; a breakaway anchor is recommended with defined disengagement limits (e.g., disengage at

ISO 19472:2006 PDF

Technical details

Abstract

Overview

Key topics and technical requirements

Related standards

Abstract

Overview

Key topics and technical requirements

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