GB/T 39519-2020Hydranlic cylindrically helical compression spring with high working stress—Technical specifications (English PDF)
高应力液压件圆柱螺旋压缩弹簧 技术条件
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
November 19, 2020
Implementation date
June 1, 2021
Scope
GB/T 39519-2020 is the English-translated version of 高应力液压件圆柱螺旋压缩弹簧 技术条件.
GB/T 39519-2020 is the Chinese standard "Hydranlic cylindrically helical compression spring with high working stress—Technical specifications".
Its scope clause reads: 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. Its clauses include terms and definitions.
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Document preview — GB/T 39519-2020
National Standard of the People's Republic of China
- ICS
- 21.160
- Classification
- J 26
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 3.1 High stress spring
- 3.2 Maximum load
- 3.3 Total clearance
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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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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