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ISO 1141:2021 Fibre ropes — Polyester — 3-, 4-, 8- and 12-strand ropes

李老师 2/23/2022 浏览 391 ISO 1141:2021 全球

标准简介

Fibre ropes — Polyester — 3-, 4-, 8- and 12-strand ropes是国际标准化组织发布的ISO标准，适用于全球。

标准截图

Fibre ropes — Polyester — 3-, 4-, 8- and 12-strand ropes
Fibre ropes — Polyester — 3-, 4-, 8- and 12-strand ropes(截图)

 

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标准部分原文

Fibre ropes — Polyester — 3-, 4-, 8- and 12-strand ropes

1 Scope

This document specifies requirements for 3-strand hawser-laid and 4-strand shroud-laid ropes, 8-strand braided ropes and 12-strand braided ropes for general service made of polyester, and gives rules for their designation.

This document does not cover all variations in strength or product performance. The rope manufacturer is consulted to ensure the intended design meets the requirements of the application.

2 Normative references

The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.

ISO 1968, Fibre ropes and cordage — Vocabulary

ISO 2307, Fibre ropes — Determination of certain physical and mechanical properties

ISO 9554, Fibre ropes — General specifications

3 Terms a nd definiti ons

For the purposes of this document, the terms and definitions given in ISO 1968 and the following apply.

ISO and IEC maintain terminological databases for use in standardization at the following addresses:

— ISO Online browsing platform: available at https:// www. iso .org/o bp

— IEC Electropedia: available at http:// www .electropedia .org/ 3.1

minimum breaking strength

MBS

force a fibre rope shall at least achieve when tested following a recognized procedure/test method

Note 1 to entry: The MBS is set by each manufacturer, as per their own internal statistical methods based on breaking tests. In ISO 9554:2019, Annex D, two statistical methods are given that can be used to determine the MBS.

[SOURCE: ISO 9554:2019, 3.2]

4 Designation

Fibre ropes shall be designated by

— the words “fibre rope”,

— the number of this document, i.e. ISO 1141,

— the construction or type of rope (see Clause 5),

— the reference number of the rope,

— the material from which the rope is made, and

— the type of stabilization (1 or 2 in accordance with ISO 9554).

Polyester-laid ropes that are required to have a heat setting to ensure lay and dimensional stability are designated as type 1 ropes. In other cases, polyester-laid ropes that are not required to have a heat setting are designated as type 2 ropes.

EXAMPLE Designation of a 3-strand hawser-laid rope heat set (type 1), reference number 30 (type A), corresponding to a linear density of 682 ktex and made of polyester (PES):

Fibre rope ISO 1141 – A – 30 – PES – 1

5 General requirements

5.1 Polyester ropes shall be made in one of the following constructions:

— type A: 3-strand hawser-laid rope (see Figure 1);

— type B: 4-strand shroud-laid rope (see Figure 2);

— type L: 8-strand braided rope (see Figure 3);

— type T: 12-strand braided rope (see Figure 4).

Figure 1 — Shape of a 3-strand hawser-laid rope (type A)

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