GB/T 1973.1-2021 English PDF

US$279.00 · In stock
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GB/T 1973.1-2021: Small cylindrical springs - Part 1: Technical specification
Status: Valid

GB/T 1973.1: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 1973.1-2021	279	Add to Cart	3 days	Small cylindrical springs - Part 1: Technical specification	Valid
GB/T 1973.1-2005	399	Add to Cart	3 days	Small cylindrically coiled springs specification	Obsolete
GB/T 1973.1-1989	279	Add to Cart	3 days	Small cylindrically coiled springs specification	Obsolete

Similar standards

GB/T 12642   GB 11291.1   GB/T 1239.2   GB/T 1972.2   GB/T 1972.1   

Basic data

Standard ID: GB/T 1973.1-2021 (GB/T1973.1-2021)
Description (Translated English): Small cylindrical springs - Part 1: Technical specification
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J26
Word Count Estimation: 14,191
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 1973.1-2021: Small cylindrical springs - Part 1: Technical specification

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Small cylindrical springs - Part 1.Technical specification ICS 21.160 J26 National Standards of People's Republic of China Replace GB/T 1973.1-2005 Small cylindrical coil springs. Part 1.Technical requirements Released on 2021-08-20 2022-03-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee

Foreword

GB/T 1973 "Small Cylindrical Coil Spring" is divided into three parts. ---Part 1.Technical conditions; ---Part 2.Dimensions and parameters of extension springs; ---Part 3.Compression spring dimensions and parameters. This part is Part 1 of GB/T 1973. This section was drafted in accordance with the rules given in GB/T 1.1-2009. This part replaces GB/T 1973.1-2005 "Technical Conditions for Small Cylindrical Coil Springs". This part and GB/T 1973.1-2005 In comparison, the main technical changes except for editorial changes are as follows. ---Modified the normative reference documents (see Chapter 2, Chapter 2 of the.2005 edition); ---Modified terms and definitions (see Chapter 3, Chapter 3 of the.2005 edition), symbols and definitions (see Chapter 4, Chapter 3 of the.2005 edition) Chapter) Part of the content; ---Modified the materials (see 5.2.1, 4.2.1 of the.2005 edition); ---Modified the limit deviation of the spring diameter (see Table 1, Table 2 of the.2005 edition), the length of the torsion spring arm (see 5.4.4,.2005 Version 4.5.2), the free angle of the torsion spring (see 5.4.5, the.2005 version of 4.5.3); ---The bending angle of the torsion arm has been increased (see 5.4.6); ---Modified the limit deviation of the opening size of the tension spring shackle (see Table 6, Table 5 of the.2005 edition); compression height (see 5.4.11,.2005 4.5.8 of the annual edition); flat end faces (see 5.6, 4.5.10 of the.2005 edition); spring characteristics (see 5.7.1, 4.6.1 of the.2005 edition); Surface quality (see 5.8, 4.7 in the.2005 edition); diameter (outer or inner diameter) (see 6.2, 5.2 in the.2005 edition); ---The bending angle of the torsion arm has been increased (see 6.4, 5.4 in the.2005 edition); --- Modified the size of the opening of the tension spring shackle (see 6.5, 5.5 in the.2005 edition); spring characteristics (see 6.9, 5.9 in the.2005 edition). This part is proposed and managed by the National Spring Standardization Technical Committee (SAC/TC235). Drafting organizations of this section. Fuzhou Changrong Spring Co., Ltd., Ningbo Mingli Spring Co., Ltd., China Machinery Productivity Promotion Center, Qianjiang Spring (Hangzhou) Co., Ltd., Shanghai Sanhuan Spring Co., Ltd., Tianjin Peiheng Hardware Spring Co., Ltd., Wuxi Hengli Fine Spring Co., Ltd., Zhejiang Jinchang Spring Co., Ltd., Hangzhou Fuchun Spring Co., Ltd., Zhejiang Meili Technology Co., Ltd., Huawei Technology Co., Ltd., Shandong Longtian Spring Co., Ltd. The main drafters of this section. Liang Guihua, Sun Jiaolin, Yu Fang, Li Min, Liu Cuiling, Cai Weiping, Fei Qingmin, Shao Wenwu, Lu Shimin, Fang Zhou, Mei Songzhu, Lu Peigen. The previous releases of the standards replaced by this part are as follows. ---GB/T 1973.1-1989, GB/T 1973.1-2005. Small cylindrical coil springs. Part 1.Technical requirements

1 Scope

This part of GB/T 1973 specifies the technical requirements, test methods and inspection rules, packaging, marking, and transportation of small cylindrical spiral springs. Transportation and storage requirements. This section applies to circular cross-section cylindrical spiral compression, tension and torsion springs with a cross-section diameter of less than 0.5 mm of spring material (hereinafter abbreviated as Called spring). Other springs can be used as reference.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article Pieces. For undated reference documents, the latest version (including all amendments) is applicable to this document. GB/T 1805-2001 Spring term GB/T 4357 Cold drawn carbon spring steel wire GB/T 4879 Anti-rust packaging GB/T 21652 Copper and copper alloy wire GB/T 24588 stainless steel spring wire JB/T 7944 Sampling inspection of cylindrical spiral spring YB/T 5311 Carbon spring steel wire for important purposes YS/T 571 Beryllium Bronze Round Wire

3 Terms and definitions

The terms and definitions defined in GB/T 1805-2001 apply to this document.

4 Symbols and abbreviations

GB/T 1805-2001 and the following symbols and abbreviations apply to this document. The opening size m of the tension spring shackle is shown in Figure 1. illustrate. m---The size of the opening, in millimeters (mm). Figure 1 The size of the hook and loop opening of the tension spring ......

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