GB/T 13576.1-2008Buttress threads with the flank angles of 3 and 30 degrees - Part 1: Profiles (English PDF)

Foreword

GB/T 13576 "zigzag (3 °, 30 °) thread" is divided into four parts.

--- Part 1. tooth type;

--- Part 2. pitch diameter series;

--- Part 3. basic dimensions;

--- Part 4. tolerances. This section GB/T Part of 113,576. This Part replaces GB/T 13576.1-1992 "zigzag (3 °, 30 °) thread profile." This section compared with the GB/T 13576.1-1992, no technical change. This part of the National Standardization Technical Committee thread (SAC/TC108) and focal points. This section is drafted. the machine Productivity Promotion Center. The main drafters of this section. Li Xiaobin. This part of the standard replaces the previous editions are.

--- GB/T 13576.1-1992. Serrated (3 °, 30 °) Thread Part 1. tooth type

1 Scope

GB/T 13576.1-2008 is the Chinese national standard on buttress threads with the flank angles of 3 and 30 degrees - part 1: profiles, in the field of mechanical systems and components. The /T suffix marks it as a recommended standard: it is not compulsory by itself, but it becomes binding as soon as a contract, a tender or a customer specification calls it up - which in practice is how most foreign buyers meet it. It was issued on 30 July 2008 by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China, and has been in force since 1 February 2009. Classification: ICS 21.040.30, CCS J04. This page is published from the official record of the standard held by the Chinese standards administration: the identification, the dates, the classification and the issuing body are taken from there. The clause text, the tables and the numeric limits are in the document itself, which is delivered complete in English translation.

GB/T 13576 provisions of this part of the basic design of the tooth and tooth-type Serrated thread. This section applies to general purpose mechanical transmission and fastened serrated threaded connections.

2 Normative references

The following documents contain provisions which, through reference

GB/T 13576 in this section constitute provisions of this section. For dated reference documents Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section.

GB/T 14791 threads term ( GB/T 14791-1993, neq ISO 5408. 1983)

3 Terms and Code

3.1 Terms Terms and definitions GB/T 14791 stipulated applies to GB/T 13576 in this section.

4 Basic tooth type

Basic tooth type shown in Figure 1. The thick solid line represents the basic tooth type.