ISO 6410-3:2021 PDF

Name: ISO 6410-3:2021 — Technical drawings — Screw threads and threaded parts — Part 3: Simplified representation
SKU: ISO 6410-3:2021
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Technical drawings — Screw threads and threaded parts — Part 3: Simplified representation

Название (английский):

ISO 6410-3:2021

Technical drawings — Screw threads and threaded parts — Part 3: Simplified representation

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 4
Дата публикации:: 22 марта 2021 г.
Издание:: ISO IS 6410 edition 2 version 1
ICS:: 01.100.20

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Описание (английский):

This document establishes rules for the simplified representation of threaded parts, with the exception of screw thread inserts, which are covered in ISO 6410-2. This representation is applicable when it is not necessary to show the exact shape and details of the parts (see ISO 6410-1), for example in assembly drawings.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO 6410-3:2021 is an international standard published by ISO that defines rules for the simplified representation of screw threads and threaded parts in technical drawings. This document applies specifically to cases where detailed depiction of thread geometry is unnecessary, such as in assembly drawings. It complements ISO 6410-1, which covers general conventions, and ISO 6410-2, which addresses screw thread inserts. The standard facilitates clear communication in technical product documentation by establishing universally recognized symbols and representations for threaded components.

Key Topics

Simplified Representation Principles: The standard emphasizes showing only essential features of threaded parts to reduce complexity while preserving clarity. Details such as chamfer edges, thread run-outs, screw ends, and undercuts are omitted in simplified views.

Screws and Nuts Symbols: ISO 6410-3 provides predefined simplified symbols for common screw heads (hexagon, square, cylinder, countersunk), drive types (slot, cross slot, hexagon socket), and nut types (hexagon, crown, square, wing). These symbols enable quick identification without excessive detail.

Small Diameter Threads: Special provisions allow further simplification and dimensional indication for threads with diameters ≤ 6 mm or for repeated patterns of identical threaded holes. Dimensions must comply with ISO 6410-1 requirements. Leaders with arrows pinpoint the center-lines of holes for clarity.

Visual Aids: The standard includes tables and figures demonstrating typical simplified representations to guide technical draughtsmen and engineers in applying consistent symbols across drawings.

Scope of Use: The simplified representation is not intended for detailed manufacturing drawings but rather for assembly or higher-level documentation where full thread detail is unnecessary.

Applications

ISO 6410-3:2021 is highly relevant for:

Mechanical Engineering Drawing: Assisting engineers and drafters in representing threaded components clearly while avoiding clutter, which streamlines the design and review process.

Product Assembly Documentation: Used in assembly manuals and exploded views where thread details do not affect assembly instructions or fit checks.

Standardized Communication: Ensures universal understanding of thread representations between manufacturers, designers, and quality assurance teams worldwide, minimizing misinterpretation and reducing errors.

CAD and Technical Illustration: Facilitates the integration of standard symbols into CAD software templates and technical illustrations to maintain consistency across documentation.

Educational Resources: Serves as a reference for training engineers and technicians on industry-standard representations of threaded parts.

Related Standards

ISO 6410-1:1993 – Technical Drawings - Screw Threads and Threaded Parts - Part 1: General Conventions: Establishes basic rules and symbolic representations for threads. ISO 6410-3 builds on these to provide simplified forms.

ISO 6410-2 – Technical Drawings - Screw Threads and Threaded Parts - Part 2: Screw Thread Inserts: Covers representation rules for threaded inserts, which are excluded from ISO 6410-3.

ISO 129-1 – Technical Product Documentation - Presentation of Dimensions and Tolerances - Part 1: General Principles: Provides guidelines on dimensioning practices referenced for indicating small diameter threads in ISO 6410-3.

ISO 225 – Fasteners - Bolts, Screws, Studs and Nuts - Symbols and Descriptions of Dimensions: Offers complementary symbols for fasteners useful alongside ISO 6410 series for comprehensive technical documentation.

Summary

ISO 6410-3:2021 delivers an essential framework for simplified drawings of screw threads and threaded parts, streamlining technical documentation without sacrificing clarity. Its widespread adoption promotes uniformity and accuracy in engineering communication and is indispensable for professionals involved in mechanical design, drafting, and assembly processes. Implementing this standard improves drafting efficiency and reduces the risk of misunderstandings across global manufacturing and engineering teams.

ISO 6410-3:2021 PDF

Abstract

Похожие стандарты

Overview

Key Topics

Applications

Related Standards

Summary

Технические детали

ISO 6410-1:1993

Technical drawings — Screw threads and threaded parts — Part 1: General conventions

SIST EN ISO 6410-1:2001

Technical drawings - Screw threads and threaded parts - Part 1: General conventions (ISO 6410-1:1993)

SIST EN ISO 6410-2:1998

Technical drawings - Screw threads and threaded parts - Part 2: Screw thread inserts (ISO 6410-2:1993)

SIST EN ISO 6410-3:2021

Technical drawings - Screw threads and threaded parts - Part 3: Simplified representation (ISO 6410-3:2021)

ISO 129-1:2018/Amd 1:2020

Technical product documentation (TPD) — Presentation of dimensions and tolerances — Part 1: General principle…

BS EN ISO 22569:2020

Dentistry. Multifunction handpieces.