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US$109.00 · In stock Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 34888-2017: Rotary shaft lip-type seals -- Determination of installing and removing forces Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 34888-2017 | English | 109 |
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Rotary shaft lip-type seals -- Determination of installing and removing forces
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GB/T 34888-2017
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PDF similar to GB/T 34888-2017
Basic data | Standard ID | GB/T 34888-2017 (GB/T34888-2017) | | Description (Translated English) | Rotary shaft lip-type seals -- Determination of installing and removing forces | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J20 | | Classification of International Standard | 23.100.60; 83.140.50 | | Word Count Estimation | 5,565 | | Date of Issue | 2017-11-01 | | Date of Implementation | 2018-05-01 | | Regulation (derived from) | National Standard Announcement 2017 No. 29 | | 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 |
GB/T 34888-2017: Rotary shaft lip-type seals -- Determination of installing and removing forces---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.
Rotary shaft lip-type seals-Determination of installing and removing forces
ICS 23.100.60; 83.140.50
J20
National Standards of People's Republic of China
Determination of the attachment and detachment force of rotary shaft lip seals
Posted.2017-11-01
2018-05-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
China National Standardization Administration released
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard is proposed by the China Machinery Industry Federation.
This standard by the National Hydraulic Pneumatic Standardization Technical Committee (SAC/TC3) centralized.
This standard was drafted unit. Guangdong Tiancheng Sealing Co., Ltd., Northwest Rubber and Plastic Research Institute Co., Ltd., Anhui Zhongding dense
Sealing Co., Ltd., Qingdao Beihai Seal Technology Co., Ltd., Chengdu Sheng Bang Sealing Co., Ltd., Jiangsu Pearl test machinery have
Limited, Panshi Oil Industry (Anhui) Co., Ltd., Qingdao Seiki Seal Industry Co., Ltd., Chongqing Duke High Pressure Seals Co., Ltd.
The main drafters of this standard. Lin Xiaoyong, Gao Jingru, Fang Binghu, Yin Jianxin, Wu Yongzeng, Van der Pol, Zhu Muzhi, Huang Guowei, Gao Jianming,
Chen Jinyang, Chen Yiqin, Huang Shaobo, Du Changchun, Tao Su Bin.
Determination of the attachment and detachment force of rotary shaft lip seals
1 Scope
This standard specifies the rotary shaft lip seals pressed into or out of the chamber when the force measurement method.
This standard applies to the rotating shaft lip seals (hereinafter referred to as the ring) removable force (that is, into the force and prolapse) determination.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version applies to this article
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 2941 Rubbery physical test specimen preparation and conditioning procedures
GB/T 13871.2 Rotary shaft lip seals with elastomeric body sealing element Part 2. Glossary
GB/T 16491 electronic universal testing machine
GB/T 21283.2 Rotary shaft lip seals with thermoplastic sealing element Part 2. Glossary
3 Terms and definitions
GB/T 13871.2 and GB/T 21283.2 defined terms and definitions apply to this document.
4 test device
4.1 test device by the test machine and test tooling.
4.2 Test machine should meet the provisions of GB/T 16491, should also meet the following requirements.
a) The maximum output force of the testing machine shall meet the requirements of the sealing ring for pressing in and out of the cavity. Force accuracy is ± 0.5% FSR.
b) Testing machine stroke should meet the requirements of sample and tooling installation and disassembly.
c) Displacement speed Promise speed regulation within the range of the displacement speed specified in the test, with a displacement accuracy of ± 0.5% FSR.
Note .FSR is an abbreviation for Ful-ScaleRange, ie full scale range.
4.3 Test tooling should be pad, block positioning block, the test chamber, the pressure block, the typical tooling shown in Figure 1 and Figure 2, the test cavity material, the table
Surface roughness, bore diameter should be consistent with technical drawings.
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