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GB/T 27939-2011: Plain bearings -- Quality control techniques and inspection of geometrical and material quality characteristics
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Plain bearings -- Quality control techniques and inspection of geometrical and material quality characteristics
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GB/T 27939-2011
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Basic data | Standard ID | GB/T 27939-2011 (GB/T27939-2011) | | Description (Translated English) | Plain bearings -- Quality control techniques and inspection of geometrical and material quality characteristics | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J12 | | Classification of International Standard | 21.100.10 | | Word Count Estimation | 41,473 | | Date of Issue | 2011-12-30 | | Date of Implementation | 2012-10-01 | | Quoted Standard | ISO 2178; ISO 2795; ISO 3274; ISO 3543; ISO 3547-1; ISO 3547-2; ISO 3547-3; ISO 3547-4; ISO 3547-5; ISO 3547-6; ISO 3547-7; ISO 3548; ISO 4287; ISO 4288; ISO 4378-1; ISO 4384-1; ISO 4384-2; ISO 4386-1; ISO 4386-2; ISO 4386-3; ISO 6524-1992; ISO 6625; ISO 6626; ISO 6691 | | Adopted Standard | ISO 12301-2007, IDT | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 23 of 2011 | | 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 following types of sliding bearings geometrical and material quality characteristics of quality control techniques and inspection: Conforms to ISO 3548 as specified in the metal thin-walled flanged and flangeless bearing, manufacture and require half the total thickness of the swap diameter ratio of S3: Do> O. 11 of flanged and flangeless metal thick bush, meet ISO 3547 series of standards set forth Wrapped bushes, by a single layer or multi-layer material, the outer diameter Do not greater than 230 mm of flanged and flangeless solid metal bushings, D1 �� 200 mm in diameter flanged and flangeless overall thermoplastic sleeve, comply with ISO 6525 and ISO 6526 as specified in the whole circle and half thrust washers, comply with ISO 2795 sintered bushings. | GB/T 27939-2011: Plain bearings -- Quality control techniques and inspection of geometrical and material quality characteristics
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Plain bearings. Quality control techniques and inspection of geometrical and material quality characteristics
ICS 21.100.10
J12
National Standards of People's Republic of China
Sliding bearing geometrical and material quality characteristics
Quality control and inspection
(ISO 12301.2007, IDT)
Issued on. 2011-12-30
2012-10-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard uses the translation method identical with the international standard ISO 12301.2007 "Quality control sliding bearing geometrical and material quality characteristics
System technology and testing. "
Correspondence between the consistency of the standards of international documents and normative references of our document Appendix NA.
And ISO 12301.2007 as compared to the present standard made the following editorial changes.
--- Will, but not included in the standard Normative references to international standards referenced in the body of normative (ISO 2178, ISO 3543) included
This standard normative reference documents;
--- Increase in Appendix NA "normative international documents cited correspondence between the consistency of the file."
The standard proposed by China Machinery Industry Federation.
This standard sliding bearing by the National Standardization Technical Committee (SAC/TC236) centralized.
This standard is drafted by. Productivity Promotion Center in the machine.
Participated in the drafting of this standard. Zhejiang Jiang Xianfeng Automobile Parts Co., Ltd., Chengdu strong Trinity Railway Parts Co., Ltd. Lin'an Oriental slide
Bearing Co., Ltd.
Sliding bearing geometrical and material quality characteristics
Quality control and inspection
1 Scope
This standard defines the quality geometric and material properties of the following types of quality control techniques and bearing inspection.
--- In line with ISO 3548 as specified in the thin-walled metal flanged and flangeless bush;
S3.Do --- more than half of manufacturing and the need for exchange of the total thickness of the outer diameter of > 0.11 flanged and flangeless thick-walled metal bush;
--- In line with ISO 3547 series of standards specified volume bushes;
--- By a single or multiple layers of material, no more than the outer diameter Do flanged and flangeless integral metal sleeve of 230mm;
--- Di≤200mm inner diameter of flanged and flangeless overall thermoplastic sleeve;
--- In line with ISO 6525 ISO 6526 as specified in a full circle and half thrust washers and;
--- In line with ISO 2795 sintered bushes.
2 Normative references
The following documents for the use of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
ISO 2178 magnetic substrates on the non-magnetic coatings - Measurement of coating thickness - Magnetic method (Non-Magneticcoatingson
magneticsubstrates-Measurementofcoatingthickness-Magneticmethod)
ISO 2795 Plain bearings - Sintered bushes - Dimensions and tolerances (Plainbearings-Sinteredbushes-Dimensionsand
tolerances)
ISO 3274 Geometrical product specifications (GPS) Surface texture Profile method of contact (stylus) instruments nominal characteristics
(GeometricalProductSpecifications (GPS) -Surfacetexture. Profilemethod-Nominalcharacteristics
ofcontace (stylus) instruments)
ISO 3543 metallic and non-metallic coatings - Measurement of coating thickness β ray backscatter method (Metalicandnon-metalic
coatings-Measurementofthickness-Betabackscattermethod)
ISO 3547-1 Plain bearings - Wrapped bushes - Part 1. Dimensions (Plainbearings-Wrappedbushes-Part 1.
Dimensions)
ISO 3547-2 Plain bearings - Wrapped bushes - Part 2. outside and inside diameter of the test data (Plainbearings-Wrapped
bushes-Part 2. Testdataforoutsideandinsidediameters)
ISO 3547-3 Plain bearings - Wrapped bushes - Part 3. Lubrication holes, grooves and pockets (Plainbearings-Wrapped
bushes-Part 3. Lubricationholes, groovesandindentations)
ISO 3547-4 Plain bearings - Wrapped bushes - Part 4. Materials (Plainbearings-Wrappedbushes-Part 4.
Materials)
ISO 3547-5 Plain bearings - Wrapped bushes - Part 5. diameter test (Plainbearings-Wrappedbushes-Part 5.
Checkingtheoutsidediameter)
ISO 3547-6 Plain bearings - Wrapped bushes - Part 6. inner diameter of the test (Plainbearings-Wrappedbushes-Part 6.
Checkingtheinsidediameter)
ISO 3547-7 Plain bearings - Wrapped bushes - Part 7. Measurement of wall thickness of thin-walled sleeve (PlainBearings-Wrapped
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