SIST ISO 701:2000 PDF

Name: SIST ISO 701:2000 — International gear notation -- Symbols for geometrical data
SKU: SIST ISO 701:2000
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International gear notation -- Symbols for geometrical data

Название (английский):

SIST ISO 701:2000

International gear notation -- Symbols for geometrical data

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 4
Дата публикации:: 1 сентября 2000 г.
ICS:: 01.080.30
Технический комитет:: ISEL - Mechanical elements

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Описание (английский):

La présente Norme internationale spécifie des symboles géométriques pour l'emploi dans la notation des engrenages. Elle comporte deux listes, à savoir : -- d'une part, les symboles principaux, composés d'une seule lettre de base (voir tableau 1); -- d'autre part, des indices à ajouter, s'il y a lieu, aux symboles principaux, pour exprimer telle ou telle qualification du terme en question (voir tableaux 2, 3 et 4).

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

SIST ISO 701:2000, titled International gear notation - Symbols for geometrical data, is an international standard developed by ISO/TC 60 (Gears) subcommittee SC 1, which focuses on nomenclature and worm gears. This second edition updates the original 1976 standard and provides a unified system of symbols for representing the key geometrical data of gears. The standard promotes a consistent international language for gear geometry notation to ensure clear communication and reduce misunderstandings across technical documents and industries.

By specifying standard symbols and indices, ISO 701 facilitates the exchange of technical gear design information worldwide. This standard is essential for manufacturers, engineers, and technical professionals working with gear systems, improving clarity in documentation and enhancing collaboration on a global scale.

Key Topics

Symbol System for Geometrical Data: ISO 701 defines primary symbols comprising single Latin or Greek letters (capital or lowercase, italicized), which represent fundamental gear geometrical parameters such as module, number of teeth, pitch diameter, and pressure angle.

Indices and Modifiers: The standard introduces indices to refine the main symbols, indicating specific characteristics like position (head, base), type (actual, maximum, minimum), and reference elements (pinion, gear). Numeric indices (e.g., 0 for tool, 1 for pinion) help specify particular gear components.

Notation Rules: Symbols consist of a primary letter followed by indices written on a single line beneath it. The standard avoids complicated features such as barred notations, superscripts other than powers, and multi-level indices to maintain simplicity.

Order of Indices: An established order for multiple indices ensures uniformity and avoids ambiguity when several qualifiers apply to a symbol concurrently.

Examples: The standard provides clear examples like "m" for module, "d₁" for pitch diameter of the pinion, or "R₂w" for the length of the generatrix of a gear cone, illustrating practical use of the notation system.

Applications

Gear Design and Manufacturing: ISO 701 supports standardized documentation of gear geometrical data in design drawings, specification sheets, and technical reports, improving clarity and reducing errors during production.

Technical Communication: Enables engineers, designers, and quality control specialists across different countries and companies to understand and interpret gear data without confusion.

Educational Resources: Valuable for training mechanical engineers and students by providing a consistent language for gear geometry, essential for learning gear principles and advanced design.

Software and CAD Integration: The notation system can be implemented inside gear design software and computer-aided design (CAD) tools to maintain uniform labeling and parameter definitions.

Standardization in International Trade: Helps harmonize specifications in global supply chains, improving compatibility and interoperability of gear components manufactured by different suppliers.

Related Standards

ISO 1122-1:1998 - Vocabulary of Gears - Part 1: Geometrical Definitions: ISO 701 symbols correspond to terms defined in ISO 1122-1, ensuring consistency between terminology and notation.

ISO/TC 60 Series: Other ISO standards related to gear design, testing, and quality assurance complement the geometrical notation by addressing manufacturing processes and performance criteria.

Technical Drawing Standards: Standards such as ISO 128 (technical drawings - general principles) and ISO 129 (dimensioning) use such standardized symbols to communicate gear dimensions effectively.

International Electrotechnical Commission (IEC) Standards: Collaboration between ISO and IEC ensures integration with electromechanical components involving gears, facilitating cross-disciplinary standard use.

Keywords: ISO 701, gear notation, gear symbols, geometrical data, gear standards, international gear standards, gear design, gear geometry symbols, mechanical engineering, gear documentation, gear manufacturing standards.

SIST ISO 701:2000 PDF

Abstract

Похожие стандарты

Overview

Key Topics

Applications

Related Standards

Технические детали

ISO 1122-1:1998

Vocabulary of gear terms — Part 1: Definitions related to geometry

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