GB/T 28701-2012Locking assemblies (English PDF)
胀紧联结套
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
September 3, 2012
Implementation date
March 1, 2013
Scope
GB/T 28701-2012 is the English-translated version of 胀紧联结套.
GB/T 28701-2012 is the Chinese standard "Locking assemblies". Its scope clause reads: This standard specifies the ZJ1 type ~ ZJ19 type swelling link sets (hereinafter referred to as swelling sets) terms and definitions, classifications, technical requirements, testing Rules, marking, packaging, transportation, storage and so on.
This standard applies to the coupling shaft and the shaft parts of swelling link sets. Its clauses include terms and definitions.
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Document preview — GB/T 28701-2012
National Standard of the People's Republic of China
- ICS
- 21.120.99
- Classification
- J 19
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Category
- 5 Technical Requirements
- 6 Inspection Rules
- 7 signs, packaging and storage
- Appendix A (informative) swelling link sets of selected instructions
- Annex B (informative) swelling link sets general requirements for mounting and dismounting
- Appendix C (Informative Appendix) ZJ1 type swelling link sets coupling design elements
- Annex D (informative) hydraulic swelling link sets of design elements and disassembly
1 Scope
This standard specifies the ZJ1 type ~ ZJ19 type swelling link sets (hereinafter referred to as swelling sets) terms and definitions, classifications, technical requirements, testing
Rules, marking, packaging, transportation, storage and so on.
This standard applies to the coupling shaft and the shaft parts of swelling link sets.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated edition applies to this article
Member. For undated references, the latest edition (including any amendments) applies to this document.
Within GB/T 70.1 hexagon socket head screws
GB/T 191 Packing, storage flag icon
GB/T 699 high-quality carbon structural steel
GB/T 1031 Geometrical product specifications (GPS) Surface texture Profile method Surface roughness parameters and their values
GB/T 1184 shape and position tolerances without individual tolerance value
GB/T 1800.2 Geometrical product specifications (GPS) limits and fits - Part 2. Standard tolerance grades and holes and shafts limit bias
Difference list
GB/T 3098.1 Mechanical properties of fasteners Bolts, screws and studs
GB/T 3177 Geometrical product specifications (GPS) smooth workpiece size test
GB/T 4879 rust-proof packaging
GB/T 6388 transport package shipping mark
GB/T 13384 mechanical and electrical products packaging General technical conditions
JB/T6396 large alloy structural steel forgings technical requirements
JB/T6399 Heavy machinery spring steel
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1 Swelling link sets lockingassemblies
In the coupling shaft and the hole, allowing tolerance between surface pressure and friction generated in order to achieve a non-key transfer hitch load.
Category 4
Type 4.1
Swelling link sets are divided into 19 kinds of patterns shown in Table 1.
4.2 Model
Swelling link sets of models as described below.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 60 pages — is available in the English PDF.
Referenced standards
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