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GB/T 32292-2015: Vacuum technology -- Ferrofluid rotary feedthroughs -- Generic specification
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 32292-2015 | English | 239 |
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Vacuum technology -- Ferrofluid rotary feedthroughs -- Generic specification
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GB/T 32292-2015
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Basic data | Standard ID | GB/T 32292-2015 (GB/T32292-2015) | | Description (Translated English) | Vacuum technology -- Ferrofluid rotary feedthroughs -- Generic specification | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J78 | | Classification of International Standard | 23.160 | | Word Count Estimation | 11,144 | | Date of Issue | 2015-12-10 | | Date of Implementation | 2016-07-01 | | Quoted Standard | GB/T 1220; GB/T 1800.1; GB/T 1800.2; GB/T 3452.1-2005; GB/T 3452.2-2007; GB/T 3864; GB/T 4844; GB/T 6070; GB/T 6071; GB/T 13306 | | Regulation (derived from) | National Standard Announcement 2015 No.38 | | 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 | | Summary | This standard specifies the magnetic fluid dynamic seals (hereinafter referred to as seals) technical requirements, test methods, inspection rules, signs, packaging, storage and transportation. This standard applies to vacuum equipment, medium and high voltage electrical switchgear used in magnetic fluid dynamic seals and other similar rotating magnetic fluid dynamic seals. | GB/T 32292-2015: Vacuum technology -- Ferrofluid rotary feedthroughs -- Generic specification---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.
Vacuum technology.Ferrofluid rotary feedthroughs.Generic specification
ICS 23.160
J78
National Standards of People's Republic of China
Vacuum technology magnetic fluid dynamic seal
General technical conditions
2015-12-10 released
2016-07-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
China National Standardization Management Committee released
Foreword
This standard is 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 is under the jurisdiction of the National Vacuum Technology Standardization Technical Committee (SAC/TC18).
The drafting of this standard unit. Hunan Weige Magneto-Fluid Co., Ltd., Hefei Zhixian Optoelectronic Technology Co., Ltd., Dongguan Jin Sheng Precision Components
Co., Ltd., Weihai Zhide Vacuum Technology Co., Ltd., Shenyang Vacuum Technology Research Institute.
The main drafters of this standard. Yan Jichun, Wang Gongfa, Yan Runquan, Zhang Kunlong, Chen Huijian, Wu Anchun, Liu Lei, Hu Mei, Zhang Chengguang, Wang Changming,
Lin Lezhong, Li Yuying.
Vacuum technology magnetic fluid dynamic seal
General technical conditions
1 Scope
This standard specifies the magnetic fluid seal (hereinafter referred to as seals) technical requirements, test methods, inspection rules, signs, packaging, storage
And transportation.
This standard applies to vacuum equipment, medium and high voltage electrical switchgear used in magnetic fluid seals and other similar rotating shaft magnetic fluid motion
Seals.
2 normative reference documents
The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article
Pieces. For undated references, the latest edition (including all modifications) applies to this document.
GB/T 1220 stainless steel bar
GB/T 1800 (all parts) Geometrical product specifications (GPS) limits and mating
GB/T 3452.1-2005 O-shaped rubber seals for hydraulic applications - Part 1. Dimensions series and tolerances
GB/T 3452.2-2007 O-shaped rubber seals for hydraulic and pneumatic applications - Part 2. Specifications for inspection of appearance quality
GB/T 3864 Industrial Nitrogen
GB/T 4844 pure helium, high purity helium and ultra pure helium
GB/T 6070 Vacuum technology Flange dimensions
GB/T 6071 ultra-high vacuum flange
GB/T 13306 signs
3 magnetic fluid seal structure
This standard does not specify the sealing structure of magnetic fluid dynamic seals. The manufacturer can design and manufacture different densities according to the user's condition
Sealed structure of the magnetic fluid dynamic seals.
4 technical requirements
4.1 Major parts and components
4.1.1 The shell shall be made of austenitic stainless steel or other non-magnetic stainless steel material and shall comply with the requirements of GB/T 1220.
4.1.2 The drive spindle (bushings) shall be designed and manufactured using a magnetically conductive stainless steel material and shall comply with the provisions of GB/T 1220.
4.1.3 The sealing material should use a magnetic fluid (magnetic liquid) with a evaporation rate of not higher than 5.5 × 10-6 g · cm2/h at 100 ° C.
4.2 processing accuracy
Seal the transmission spindle and the equipment with the parts of the processing accuracy of not less than GB/T 1800 specified 6 precision; seal sleeve
Of the processing accuracy of not less than GB/T 1800 specified 7-level accuracy.
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