ISO 128-1:2020 PDF

Technical product documentation (TPD) — General principles of representation — Part 1: Introduction and fundamental requirements

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Title (English):

ISO 128-1:2020

Technical product documentation (TPD) — General principles of representation — Part 1: Introduction and fundamental requirements

Document status:: Active
Format:: Electronic (PDF)
Number of pages:: 6
Publication date:: May 26, 2020
Edition:: ISO IS 128 edition 2 version 1
ICS:: 01.100.01

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Description (English):

This document gives general rules for the execution of technical drawings (2D and 3D), as well as presenting the structure of the other parts of the ISO 128 series. This document is applicable to technical drawing in the fields of mechanical engineering, construction, architecture and shipbuilding. It is applicable to both manual and computer-based technical drawings. For the purpose of this document the term "technical drawing" shall be interpreted in the broadest possible sense, encompassing the total package of documentation specifying the product (workpiece, subassembly, assembly).

Technical details

Technical committee: ISO/TC 10 - Technical product documentation
SKU: ISO 128-1:2020

Abstract

Overview

ISO 128-1:2020 - Technical product documentation (TPD) - General principles of representation - Part 1: Introduction and fundamental requirements - provides the foundational rules for creating clear, consistent technical drawings (2D and 3D). It sets out the scope and structure of the ISO 128 series and defines the basic requirements that make drawings suitable for international exchange, manufacture and verification. The standard applies across mechanical engineering, construction, architecture and shipbuilding, and covers both manual and computer-based (CAD) technical drawings.

Key topics and requirements

Fundamental principles: drawings must be unambiguous, clear, to scale (outlines proportional to the object), suitable for duplication, language independent, and compliant with standards in the ISO 128 series.
Basic drawing entities: specifies required elements such as drawing sheet layout (ISO 5457), title block (ISO 7200 / ISO 9431), object representation (ISO 128 series), dimensioning (ISO 129), lettering (ISO 3098-1), part references (ISO 6433), units (ISO 80000), and protection notices (ISO 16016).
Domain-specific guidance: references to geometrical product specification (GPS) standards for mechanical engineering (e.g., ISO 8015, ISO 1101, ISO 14405 series), construction (ISO 129-5, ISO 6284), and shipbuilding (ISO 129-4).
Documentation rules: assembly drawings should include an item list per ISO 7573; release procedures and change documentation for drawings must be clearly recorded.
Series structure: introduces other ISO 128 parts (line types, views/cuts/sections, shipbuilding representation, simplified mechanical representation, and an index).

Applications and who uses it

ISO 128-1 is used by:

CAD engineers, drafters and technical illustrators creating 2D and 3D drawings
Mechanical, construction and shipbuilding designers and architects
Manufacturing engineers and quality/inspection teams verifying parts and assemblies
Technical documentation authors, standards managers and product release coordinators Practical benefits include consistent international communication of product definition, reduced misinterpretation in manufacturing, and standardised drawing output for plotting, copying and archiving.

Related standards (selected)

ISO 128 series (ISO 128-2, ISO 128-3, ISO 128-15, ISO/TS 128-71, ISO 128-100)
ISO 129 (dimensions and tolerances)
ISO 5457 (drawing sheet sizes/layout)
ISO 7200 / ISO 9431 (title blocks)
ISO 3098-1 (lettering)
ISO 8015, ISO 1101, ISO 14405 (geometrical product specifications)
ISO 7573 (parts lists), ISO 16016 (protection notices)

ISO 128-1:2020 is the starting point for anyone implementing or auditing technical drawing practices to ensure clarity, consistency and international interoperability in technical product documentation.

Related standards

Standards mentioned in the description

Abstract

Overview

Key topics and requirements

Fundamental principles: drawings must be unambiguous, clear, to scale (outlines proportional to the object), suitable for duplication, language independent, and compliant with standards in the ISO 128 series.
Basic drawing entities: specifies required elements such as drawing sheet layout (ISO 5457), title block (ISO 7200 / ISO 9431), object representation (ISO 128 series), dimensioning (ISO 129), lettering (ISO 3098-1), part references (ISO 6433), units (ISO 80000), and protection notices (ISO 16016).
Domain-specific guidance: references to geometrical product specification (GPS) standards for mechanical engineering (e.g., ISO 8015, ISO 1101, ISO 14405 series), construction (ISO 129-5, ISO 6284), and shipbuilding (ISO 129-4).
Documentation rules: assembly drawings should include an item list per ISO 7573; release procedures and change documentation for drawings must be clearly recorded.
Series structure: introduces other ISO 128 parts (line types, views/cuts/sections, shipbuilding representation, simplified mechanical representation, and an index).

Applications and who uses it

ISO 128-1 is used by:

CAD engineers, drafters and technical illustrators creating 2D and 3D drawings
Mechanical, construction and shipbuilding designers and architects
Manufacturing engineers and quality/inspection teams verifying parts and assemblies
Technical documentation authors, standards managers and product release coordinators Practical benefits include consistent international communication of product definition, reduced misinterpretation in manufacturing, and standardised drawing output for plotting, copying and archiving.

Related standards (selected)

ISO 128 series (ISO 128-2, ISO 128-3, ISO 128-15, ISO/TS 128-71, ISO 128-100)
ISO 129 (dimensions and tolerances)
ISO 5457 (drawing sheet sizes/layout)
ISO 7200 / ISO 9431 (title blocks)
ISO 3098-1 (lettering)
ISO 8015, ISO 1101, ISO 14405 (geometrical product specifications)
ISO 7573 (parts lists), ISO 16016 (protection notices)

ISO 128-1:2020 PDF

Technical details

Abstract

Overview

Key topics and requirements

Applications and who uses it

Related standards (selected)

Related standards

Abstract

Overview

Key topics and requirements

Applications and who uses it

Related standards (selected)

Related standards

Technical drawings. General principles of presentation - Basic conventions for lines

Technical product documentation - Sizes and layout of drawing sheets - Amendment 1 (ISO 5457:1999/Amd 1:2010)

Technical product documentation - Data fields in title blocks and document headers (ISO 7200:2004)

Construction drawings. Spaces for drawing and for text, and title blocks on drawing sheets

Carbonaceous materials used in the production of aluminium. Baked anodes and sidewall blocks. Determination o…

Technical product documentation - Lettering - Part 1: General requirements (ISO 3098-1:2015)

Technical product documentation - Part references (ISO 6433:2012)

Quantities and units - Thermodynamics