GB/T 34624-2017 in English
VALIDSprings installed in hermetic motor-compressor - Technical specifications
- Issued on:2017-10-14
- Implemented on:2018-05-01
- File Format:PDF
- Delivery:Within 1 day
$288.00
| Standard No: | GB/T 34624-2017 |
| Document status: | VALID |
| Title in English: | Springs installed in hermetic motor-compressor - Technical specifications |
| Title in Chinese: | 全封闭型电动机-压缩机用弹簧 技术条件 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Within 1 day |
| Issued on: | 2017-10-14 |
| Implemented on: | 2018-05-01 |
| ICS Classification: | 21.160-Springs |
| Chinese Classification: | J26-Spring |
| Professional Classification: | GB-National Standard |
| Related Keywords: | helical springs
equal-pitch cylindrical helical compression springs technical specifications introduction cone helical springs cold-rolled helical springs |
| Related Topics: | GB/T 34624-2017
Fully enclosed motor-compressor spring specification GB/T+34624-2017 Small spring testing machine compressor spring Fully enclosed nitrogen blowing instrument GBT34624 GB/T 34624-2017 Motor-Compressor Spring compression test Compressor Vibration Technology |
《GB/T 34624-2017全封闭型电动机-压缩机用弹簧 技术条件》由TC235（全国弹簧标准化技术委员会）归口，主管部门为国家标准化管理委员会。
Introduction
1. Standard Overview
GB/T 34624-2017 Technical Specifications for Springs for Fully Enclosed Motors and Compressors specifies the structural type, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of cold-rolled helical springs made of round cross-section materials for fully enclosed motors and compressors. This standard applies to support springs, including equal-pitch cylindrical helical compression springs, equal-pitch truncated cone helical springs and equal-pitch concave helical springs.
2. Comparison of technical points
| Technical requirements | Specific requirements | Scope of application | Accuracy level |
|---|---|---|---|
| Material selection | It is recommended to use steel wire materials in accordance with GB/T 4357, GB/T 18983, YB/T 5311 and other standards. | All types of springs | As agreed between the supplier and the buyer or as required by the standard |
| Dimensional parameters | Limit deviations of inner diameter, outer diameter and free height. | BYI, BYⅡ and other types of springs | 1 or 2 |
| Geometric tolerances | Verticality, straightness, parallelism and coaxiality. | BYIV-1, BYV type springs | 1 or 2 |
3. Materials and manufacturing requirements
Material selection:It is recommended to use the materials listed in Table 2, including cold-drawn carbon spring steel wire (GB/T 4357), oil quenching-tempered spring steel wire (GB/T 18983) and important purpose carbon spring steel wire (YB/T 5311). Other materials can be agreed upon under special circumstances.
Manufacturing process:It must comply with standard drawings and technical documents, including cold rolling, grinding, heat treatment and other processes. Shot peening treatment requires a surface coverage of ≥90% and a strength range of 0.15~0.4 A.
4. Test method analysis
The test includes permanent deformation test, load and stiffness test, dimension measurement (outer diameter, inner diameter, free height), form and position tolerance detection, etc. Among them, the verticality and straightness detection requires the use of a wide-seat square and parallelism detection tools.
5. Implementation suggestions
- Material selection:Give priority to the steel wire material recommended by the standard to ensure that the performance meets the requirements.
- Manufacturing process:Strictly follow the process flow, focusing on the grinding, heat treatment and shot peening links.
- Testing methods:Use high-precision measuring tools and testing equipment to ensure the accuracy of measurement data.
- Quality control:Establish a complete sampling inspection system and perform acceptance according to GB/T 2828.1.
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