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GB/T 30817-2014: Cold coil conical helical spring -- Technical specification
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 30817-2014 | English | 439 |
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Cold coil conical helical spring -- Technical specification
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GB/T 30817-2014
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Basic data | Standard ID | GB/T 30817-2014 (GB/T30817-2014) | | Description (Translated English) | Cold coil conical helical spring -- Technical specification | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J26 | | Classification of International Standard | 21.160 | | Word Count Estimation | 19,123 | | Date of Issue | 6/24/2014 | | Date of Implementation | 12/31/2014 | | Quoted Standard | GB/T 1239.2; GB/T 1805; GB/T 4357; GB/T 10610; GB/T 16947; GB/T 18983; GB/T 21652; GB/T 24588; JB/T 7944; JB/T 10802; YB/T 5311; YS/T 571 | | Regulation (derived from) | National Standards Bulletin No. 14 of 2014 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the material with a circular cross section truncated cone of cold roll coil spring of technical requirements, test methods, inspection rules, packaging, labeling, transportation and storage requirements. This standard applies to ma | GB/T 30817-2014: Cold coil conical helical spring -- 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.
Cold coil conical helical spring. Technical specification
ICS 21.160
J26
National Standards of People's Republic of China
Cold roll coil spring frustum technical conditions
Issued on. 2014-06-24
2014-12-31 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
The standard proposed by China Machinery Industry Federation.
The standard spring by the National Standardization Technical Committee (SAC/TC235) centralized.
This standard is drafted by. Zhejiang Asia-Pacific Electric Co., Ltd., Hangzhou Qianjiang Spring Co., Ltd., machine Productivity Promotion Center.
Participated in the drafting of this standard. Zhejiang Jinchang Spring Co., Ltd., Zhejiang Ian Ling double the first Spring Co., Ltd., Shanghai tricyclic limited spring
the company.
The main drafters of this standard. Zhu Yan, Jiang Ying, Lu Bacon, Zhangyong Sen, people celebrate fees, Qi Li Ping, Zhanggui Jun, Lin Min, Shu Rongfu, Zhou Yin Jian.
Cold roll coil spring frustum technical conditions
1 Scope
This standard specifies the material with a circular cross section truncated cone of cold roll coil spring of technical requirements, test methods, inspection rules, packaging, labeling, transportation
Transport and storage requirements.
This standard applies to material cross-sectional diameter less than or equal to the circular cross section truncated cone of cold roll coil spring 16mm (hereinafter referred to as the truncated cone spiral shells
reed).
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 1239.2 Cold coiled helical springs - Technical specifications - Part 2. Compression springs
GB/T 1805 spring term
GB/T 4357 cold-drawn carbon spring steel wire
GB/T 10610 Geometrical product specifications (GPS) Surface texture Profile method - Rules and procedures for evaluation of the surface structure
GB/T 16947 coil spring fatigue testing standard
GB/T 18983 quenching oil - tempered spring steel wire
GB/T 21652 Copper and copper alloy wire
GB/T 24588 stainless spring steel wire
JB/T 7944 sampling inspection helical springs
JB/T 10802 spring shot peening specifications
YB/T 5311 important use of carbon spring steel wire
YS/T 571 beryllium copper round wire
3 Terms and Definitions
Terms and definitions GB/T 1805 defined apply to this document.
4 classification and structure
4.1 Classification
Truncated cone of the coil spring can be divided into.
a) equal pitch truncated cone coil springs
Etc. Pitch truncated cone coil springs in Figure 1a). Spiral projection on the bottom surface of Archimedes spiral, coil pitch t is effective
An equal amount.
b) truncated cone, etc. helix angle helical spring
And other truncated cone helix angle of the coil spring shown in Figure 1b). Helix angle α helix in the bottom surface of the projection for the logarithmic spiral, coil effective
An equal amount.
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