SIST EN ISO 6411:2001 PDF

Name: SIST EN ISO 6411:2001 — Technical drawings - Simplified representation of centre holes (ISO 6411:1982)
SKU: SIST EN ISO 6411:2001
Price: 51.9 EUR
Availability: InStock

Technical drawings - Simplified representation of centre holes (ISO 6411:1982)

Название (английский):

SIST EN ISO 6411:2001

Technical drawings - Simplified representation of centre holes (ISO 6411:1982)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 9
Дата публикации:: 1 июля 2001 г.
ICS:: 01.100.20
Технический комитет:: TRS - Technical drawings, quantities, units, symbols and graphical symbols

Тип поставки:

Full version135 €Read online 24h10 €Read online 72h15 €

Язык документа:

ruen

Срок поставки:2 раб. дн. (перевод)

Цена:135 €

Описание (английский):

This representation mode may be used particulary when it is not necessary to show the exact form and size and where the designation of standardized centre holes is sufficient for information. Annex A gives the dimensions for types R, A and B, and Annex B the proportions and dimensions of symbols.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

SIST EN ISO 6411:2001, titled "Technical drawings - Simplified representation of centre holes (ISO 6411:1982)", is a crucial standard published by CEN to streamline the depiction of centre holes on mechanical engineering drawings. This international standard addresses scenarios where the exact form and size of the centre hole do not need to be explicitly detailed. Instead, a simplified symbolic representation alongside standardized designations suffices for providing clear, consistent technical information.

The standard promotes uniformity in technical documentation by defining how centre holes can be graphically represented and designated, enhancing clarity while reducing drawing complexity. It is especially advantageous when standardized centre hole types and designations provide sufficient information for manufacturing and inspection purposes.

Key Topics

Simplified Representation of Centre Holes The standard delineates specific symbols to represent centre holes in technical drawings, focusing on types R, A, and B. These symbols convey essential hole characteristics without requiring detailed dimensional sketches.

Designation System EN ISO 6411 specifies the format to denote centre holes, combining references to the standard, hole type (R, A, or B), and critical dimensions such as pilot diameter and countersink diameter. Example: ISO 6411-B 2.5/8 signifies a type B centre hole with a 2.5 mm pilot diameter and an 8 mm countersink diameter.

Applicable Centre Hole Types

Type R: Radius form centre holes
Type A: Centre holes without protecting chamfers
Type B: Centre holes with protecting chamfers

Dimensional Guidance Annex A of the standard presents precise dimensions for each centre hole type, guiding designers and engineers in selecting preferred sizes.

Symbol Proportions and Lettering Annex B details the proportions, line thickness, and letter heights to ensure the symbols harmonize with other drawing inscriptions, following general ISO design conventions.

General Application Rules The representations should be used when the centre hole is required on the finished part or when its exact depiction is unnecessary but its presence must be communicated.

Applications

Mechanical Engineering Drawings Used extensively in mechanical design blueprints where centre holes are commonplace for aligning or mounting rotating components such as shafts.

Manufacturing Documentation Enables machinists and production teams to understand hole specifications quickly through standardized symbols and simple designations without detailed geometry.

Quality Control and Inspection Simplifies verification by referencing standardized centre hole types, ensuring consistency during inspection processes.

CAD and Drafting Automation Facilitates computer-aided design (CAD) software in providing clear and standardized hole representations, improving interoperability and reducing errors in technical data exchange.

International Collaboration Provides a common language for international engineering teams, fostering uniform understanding and reducing ambiguity in technical drawings worldwide.

Related Standards

ISO 866, ISO 2540, ISO 2541 - Define centre drills for different types of centre holes (without and with protecting chamfers, radius form), directly referenced for drill dimensions.

ISO 128 - General principles of presentation in technical drawings, supporting the standard’s requirements for line thickness and spacing.

ISO 3098 - Lettering specifications for technical drawings, which EN ISO 6411 applies to symbol and lettering presentation.

ISO 6428 - Requirements for microcopying technical drawings, ensuring symbols and legibility are maintained through reproduction.

Summary

SIST EN ISO 6411:2001 streamlines the way centre holes are detailed on mechanical engineering drawings by providing a simplified, symbolic representation system. Its practical value lies in reducing drawing complexity while maintaining clear communication of essential hole parameters through a standardized designation. This contributes to improved efficiency in design, manufacturing, and quality assurance workflows, supporting consistent global engineering practices. Engineers, designers, and drafting professionals benefit from understanding and applying this standard to ensure clarity and conformity in technical documentation related to centre holes.

SIST EN ISO 6411:2001 PDF

Abstract

Похожие стандарты

Overview

Key Topics

Applications

Related Standards

Summary

Технические детали

ISO 6411:1982

Technical drawings — Simplified representation of centre holes

SIST EN ISO 8665-2:2024

Small craft - Power measurements and declarations - Part 2: Electric marine propulsion (ISO 8665-2:2024)

SIST ISO 2540:2017

Centre drills for centre holes with protecting chamfer - Type B

SIST ISO 2541:2017

Centre drills for centre holes with radius form - Type R

BS ISO 128-44:2001

Technical drawings. General principles of presentation. Sections on mechanical engineering drawings.

BS EN ISO 3098-2:2000

Technical product documentation. Lettering.. Latin alphabet, numerals and marks.

SIST EN ISO 6428:2002

Technical drawings - Requirements for microcopying (ISO 6428:1982)