ISO 3410:1989

Name: ISO 3410:1989 — Agricultural machinery — Endless variable-speed V-belts and groove sections of corresponding pulleys
SKU: ISO 3410:1989
Price: 25 EUR
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Agricultural machinery — Endless variable-speed V-belts and groove sections of corresponding pulleys

Название (английский):

ISO 3410:1989

Agricultural machinery — Endless variable-speed V-belts and groove sections of corresponding pulleys

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 6
Дата публикации:: 20 июля 1989 г.
Издание:: ISO IS 3410 edition 2 version 1
ICS:: 65.060.01

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Описание (английский):

This second edition cancels and replaces the first edition (1976). Specifies the main dimensions of V-belts intended for use on agricultural machinery (in particular harvester-thresher machines), together with the grove section of the corresponding fixed- or variable-diameter pulleys. Tabulates nominal values of datum length from 630 mm up to and including 5 000 mm. Some figures illustrate shapes and reference quantities of concern.

Abstract

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Стандарты, упомянутые в описании

Overview

ISO 3410:1989 (second edition) specifies the main dimensions, tolerances and measurement methods for endless variable-speed V-belts and the groove sections of the corresponding pulleys used in agricultural machinery - in particular harvester‑threshers. This edition cancels and replaces ISO 3410:1976 and provides nominal datum belt lengths from 630 mm up to 5 000 mm, figures for section shapes and guidance on measurement devices and test procedures.

The standard was prepared by ISO/TC 41 (Pulleys and belts) and references related international standards for normal numbers, belt terminology and test methods.

Key Topics

Scope and purpose: Dimensions for V-belts intended for variable‑speed drives on agricultural machines and matching pulley groove profiles (fixed or variable diameter).

Belt section characteristics: Sections are described by a relative flank height (height/primitive width) typically around 0.5, with the primitive line positioned about one third of the profile height below the large side of the trapezoid.

Nominal lengths: Reference (datum) lengths tabulated from 630 mm to 5 000 mm following the R40 series of normal numbers; intermediate values may use R80.

Tolerances and length control: The standard gives permissible length deviations and a method to compute an allowance parameter p (formula shown in the text) and prescribes procedures for checking length and center‑distance variation.

Pulleys and profiles: Defines profiles (HG…HO) and minimum pulley diameters and radial groove dimensions for types of pulleys: type 1 (fixed), type 2 (variable) and type 3 (variable with declutching flange).

Measurement methods: Recommends a measuring device of two functional grooved pulleys (one movable under traction F) - run the belt for at least two revolutions and measure center distance E to compute the reference length Ld = 2E + Cd.

Applications

Designed specifically for agricultural drive systems, notably combine harvester-threshers and other variable-speed transmissions.

Ensures interchangeability, consistent manufacturing and reliable power transmission where belts experience large local deformation entering pulley grooves.

Useful for manufacturers, drive-system designers, test labs and procurement teams specifying belt and pulley dimensions, tolerances and acceptance tests.

Related Standards

ISO 3 - Normal numbers (series R 10, R 40, R 80) referenced for nominal lengths

ISO 1081 - Terminology for V‑belts and grooved pulleys

ISO 9608 - Belt uniformity and center-distance variation test method

ISO 286-2 - Tolerance system referenced for probe diameters and fits

Use ISO 3410:1989 to align belt and pulley designs with international practice, enabling robust variable‑speed V‑belt drives for agricultural machinery.

ISO 3410:1989

Abstract

Похожие стандарты

Overview

Key Topics

Applications

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