ISO 1813:2025 PDF

Belt drives — Electrical conductivity of antistatic belts: Characteristics and test methods

Название (английский):

ISO 1813:2025

Belt drives — Electrical conductivity of antistatic belts: Characteristics and test methods

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 12
Дата публикации:: 20 октября 2025 г.
Издание:: ISO IS 1813 edition 5 version 1
ICS:: 21.220.10

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Описание (английский):

This document specifies the maximum electrical resistance of the following: — antistatic endless V-ribbed belts; — joined V-belts; — single V-belts, including wide section belts and hexagonal belts. This document also specifies the corresponding production control and individual proof methods of measurements. This document applies to new belts intended to be used in an explosive atmosphere or in situations where there is a fire risk. The test is intended to ensure that the belt is sufficiently conductive to dissipate charges of electricity which can form on it in service.

Технические детали

Технический комитет: ISO/TC 41/SC 1 - Friction
SKU: ISO 1813:2025

Abstract

Overview

ISO 1813:2025 - "Belt drives - Electrical conductivity of antistatic belts: Characteristics and test methods" defines electrical conductivity requirements and test methods for antistatic V-belts. The standard covers endless V-ribbed belts, joined V-belts, and single V-belts (including wide‑section and hexagonal belts). It applies to new belts intended for use in explosive atmospheres or where fire risk exists and ensures belts are sufficiently conductive to dissipate static charge in service.

Key topics and technical requirements

Scope: Maximum electrical resistance limits for antistatic belts (limit values are given in Tables 1–3 and by a formula for proof tests in Clause 9).
Test principles: Measure electrical resistance along a fixed belt length using an insulation tester under specified conditions; accept if resistance does not exceed specified limits.
Test equipment:
- Insulation tester: nominal open‑circuit voltage 500 V d.c., able to apply ≥40 V with ≤3 W in test section, measurement accuracy ±5% (1 000 V allowed for resistances >10 Ω).
- Metal electrodes: contact surfaces ≥25 mm wide, nominal 100 mm spacing; V‑groove electrodes sized to the pulley profile for single and joined V‑belts; special electrodes for V‑ribbed belts (driving flanks and back).
- Loading device: applies a force of 1 N per mm nominal belt width to ensure contact.
Production control (factory) method (Clause 8): Conditioning at 15–30 °C; straighten belt, apply specified force, avoid condensation, measure resistance 5 s ±1 s after voltage application; number of test points depends on belt length and type.
Proof (laboratory) method (Clause 9): Conditioning in standard atmosphere 23/50 (23 ±2 °C, 50 ±5% RH); surface cleaning with Fuller's earth; apply conductive coating (either a silver lacquer/colloidal graphite with dried film resistivity

Overview

Key topics and technical requirements

Scope: Maximum electrical resistance limits for antistatic belts (limit values are given in Tables 1–3 and by a formula for proof tests in Clause 9).
Test principles: Measure electrical resistance along a fixed belt length using an insulation tester under specified conditions; accept if resistance does not exceed specified limits.
Test equipment:
- Insulation tester: nominal open‑circuit voltage 500 V d.c., able to apply ≥40 V with ≤3 W in test section, measurement accuracy ±5% (1 000 V allowed for resistances >10 Ω).
- Metal electrodes: contact surfaces ≥25 mm wide, nominal 100 mm spacing; V‑groove electrodes sized to the pulley profile for single and joined V‑belts; special electrodes for V‑ribbed belts (driving flanks and back).
- Loading device: applies a force of 1 N per mm nominal belt width to ensure contact.
Production control (factory) method (Clause 8): Conditioning at 15–30 °C; straighten belt, apply specified force, avoid condensation, measure resistance 5 s ±1 s after voltage application; number of test points depends on belt length and type.
Proof (laboratory) method (Clause 9): Conditioning in standard atmosphere 23/50 (23 ±2 °C, 50 ±5% RH); surface cleaning with Fuller's earth; apply conductive coating (either a silver lacquer/colloidal graphite with dried film resistivity

ISO 1813:2025 PDF

Технические детали

Abstract

Overview

Key topics and technical requirements

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Abstract

Overview

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