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GB/T 36520.3-2019: Hydraulic fluid power -- Dimensions and tolerances of polyurethane seals -- Part 3: Dimensions and tolerances of wiper ring
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| GB/T 36520.3-2019 | English | 199 |
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Hydraulic fluid power -- Dimensions and tolerances of polyurethane seals -- Part 3: Dimensions and tolerances of wiper ring
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GB/T 36520.3-2019
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Basic data | Standard ID | GB/T 36520.3-2019 (GB/T36520.3-2019) | | Description (Translated English) | Hydraulic fluid power -- Dimensions and tolerances of polyurethane seals -- Part 3: Dimensions and tolerances of wiper ring | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J20 | | Classification of International Standard | 23.100.60; 83.140.50 | | Word Count Estimation | 10,137 | | Date of Issue | 2019-08-30 | | Date of Implementation | 2020-03-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 36520.3-2019: Hydraulic fluid power -- Dimensions and tolerances of polyurethane seals -- Part 3: Dimensions and tolerances of wiper ring
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Hydraulic fluid power - Dimensions and tolerances of polyurethane seals - Part 3. Dimensions and tolerances of wiper ring
ICS 23.100.60; 83.140.50
J20
National Standards of People's Republic of China
Hydraulic transmission polyurethane seal size series
Part 3. Dimensions and tolerances of wipers
Part 3. Dimensionsandtolerancesofwiperring
Published on.2019-08-30
2020-03-01 implementation
State market supervision and administration
China National Standardization Administration issued
Foreword
GB/T 36520 "Hydraulic transmission polyurethane seal size series" is divided into 4 parts.
--- Part 1. Dimensions and tolerances of piston reciprocating seals;
--- Part 2. Dimensions and tolerances of piston rod reciprocating seals;
---Part 3. Dimensions and tolerances of the dust seal;
--- Part 4. Dimensions and tolerances of cylinder seals.
This part is the third part of GB/T 36520.
This part is drafted in accordance with the rules given in GB/T 1.1-2009.
This part was proposed by the China Machinery Industry Federation.
This part is under the jurisdiction of the National Hydraulic and Pneumatic Standardization Technical Committee (SAC/TC3).
This section drafted by. Northwest Rubber Plastics Research and Design Institute Co., Ltd., Anhui Cooper Sealing Technology Co., Ltd., Guangzhou Mechanical Science
Research Institute Co., Ltd., Xi'an Xiangyang Aerospace Materials Co., Ltd., Shanxi Taibao Technology Co., Ltd., Guangdong Tiancheng Seals Co., Ltd.
Company, Qingdao Hailiwei New Material Technology Co., Ltd., Hebei Zhuoli Sealing Technology Co., Ltd.
The main drafters of this section. Lu Xinchun, Gao Jingru, Zhu Baoning, Huang Xuemei, Yuan Jianglong, Jia Xianbao, Wu Kesheng, Wen Yu, Jing Hailing, Tian Youfeng,
Liu Jianhong, Zhang Heng, Wang Jinping, Xie Hongbo, Wu Ruyi.
Hydraulic transmission polyurethane seal size series
Part 3. Dimensions and tolerances of wipers
1 Scope
This part of GB/T 36520 specifies the symbol, structure type, size and tolerance, and marking of the polyurethane dust ring in the hydraulic transmission system.
This part is applicable to the polyurethane sealing ring (referred to as the dustproof ring) installed on the hydraulic cylinder guide sleeve for dust prevention.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 17446 Fluid Transmission System and Component Vocabulary
3 Terms and definitions
The terms and definitions defined in GB/T 17446 apply to this document.
4 symbol
The following symbols apply to this document.
D---sealing groove bottom diameter
D0---sealing groove step diameter
D1---Dust ring outer diameter
D---piston rod diameter
F---polyurethane dust seal code
H---the total height of the dust-proof ring
h---Dust ring root height
L---sealing groove axial length
L1---The total axial length of the sealing groove and step
S1---Dust ring cross section lip width
S2---Dust ring cross-section root width
S3---Dust ring cross section shoulder width
5 structure type
The dust seal and its sealing structure are shown in Figure 1.
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