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GB/T 39519-2020: (Technical requirements for cylindrical spiral compression springs for high-stress hydraulic parts)
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 39519-2020 | English | 279 |
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(Technical requirements for cylindrical spiral compression springs for high-stress hydraulic parts)
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GB/T 39519-2020
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Basic data | Standard ID | GB/T 39519-2020 (GB/T39519-2020) | | Description (Translated English) | (Technical requirements for cylindrical spiral compression springs for high-stress hydraulic parts) | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J26 | | Word Count Estimation | 15,113 | | Date of Issue | 2020-11-19 | | Date of Implementation | 2021-06-01 | | Regulation (derived from) | National Standard Announcement No. 26 of 2020 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 39519-2020: (Technical requirements for cylindrical spiral compression springs for high-stress hydraulic parts)
---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.
(Technical requirements for cylindrical spiral compression springs for high-stress hydraulic parts)
ICS 21.160
J26
National Standards of People's Republic of China
Cylindrical spiral compression spring for high stress hydraulic parts
Technical conditions
2020-11-19 released
2021-06-01 implementation
State Administration for Market Regulation
Issued by the National Standardization Management Committee
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed and managed by the National Spring Standardization Technical Committee (SAC/TC235).
Drafting organizations of this standard. Hangzhou Spring Co., Ltd., China Machinery Productivity Promotion Center, Hangzhou Fuchun Spring Co., Ltd., Huawei Technology Co., Ltd.
Co., Ltd., Changzhou Weiqi Spring Technology Co., Ltd.
The main drafters of this standard. Jiang Xiaowei, Yu Fang, Lu Peigen, Jiang Guoyan, Fang Zhou, Jia Zhen, Qi Liping.
Cylindrical spiral compression spring for high stress hydraulic parts
Technical conditions
1 Scope
This standard specifies the technical requirements, test methods, inspection rules, circular cross-section equal-pitch cylindrical spiral compression springs for high-stress hydraulic components
Packaging, certificate, marking, transportation and storage.
This standard applies to cylindrical spiral compression springs (hereinafter referred to as high-stress springs) for high-stress hydraulic components with spring material diameters less than or equal to 10mm.
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 document.
For undated references, the latest version (including all amendments) applies to this document.
GB/T 1805 Spring term
GB/T 4357 Cold drawn carbon spring steel wire
GB/T 10610 Product Geometric Technical Specification (GPS) Surface Structure Profile Method. Rules and Methods for Surface Structure Evaluation
GB/T 16947 Code for fatigue test of spiral spring
GB/T 18983 quenched-tempered spring steel wire
GB/T 23935-2009 Cylindrical spiral spring design calculation
GB/T 24588 Stainless steel spring wire
JB/T 7858 Evaluation method of cleanliness of hydraulic components and cleanliness index of hydraulic components
JB/T 7944 Sampling inspection of cylindrical spiral spring
JB/T 10802 Technical Specification for Spring Shot Peening
YB/T 5311 Carbon spring steel wire for important purposes
3 Terms and definitions
The following terms and definitions defined in GB/T 1805 apply to this document.
3.1
High stress spring
The stress corresponding to the maximum working load is greater than the test shear stress of the selected material.
Note. Refer to Appendix A for the schematic diagram of high-stress spring.
3.2
Maximum load
The maximum force applied to the spring.
3.3
Total clearance
When the spring length is at the maximum load, the sum of the minimum spacing between the effective turns.
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