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GB/T 2821-2003Gear -- Symbols for geometrical data (English PDF)

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Issued by

General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China

Level / Type

National · Recommended

Issue date

November 25, 2003

Implementation date

June 1, 2004

Scope

GB/T 2821-2003 (Gear -- Symbols for geometrical data) is available as an English-translated PDF.

GB/T 2821-2003 — Gear -- Symbols for geometrical data

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Document preview — GB/T 2821-2003

National Standard of the People's Republic of China

ICS: 21.200
Classification: J 17
Replacing: GB/T 2821-1992

Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China

What this standard covers1
Document data2

What this standard covers

This standard specifies: for marking gear parameters geometric code. It consists of two tables: the main code, consists of a single basic letters (see Table 1, subscript, for defining a main code (see Table 2, Table 3 and Table 4).

Document data

International classification (ICS): 21.200.

Chinese classification (CCS): J17.

Estimated length of the Chinese original: 4,446 words.

Adopted international standard: ISO 701-1998; IDT.

Supersedes the earlier edition GB/T 2821-1992.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 3 pages — is available in the English PDF.

Referenced standards

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