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GB/T 12613.7-2011: Plain bearings -- Wrapped bushes -- Part 7: Measurement of wall thickness of thin-walled bushes
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| GB/T 12613.7-2011 | English | 194 |
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Plain bearings -- Wrapped bushes -- Part 7: Measurement of wall thickness of thin-walled bushes
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GB/T 12613.7-2011
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Basic data | Standard ID | GB/T 12613.7-2011 (GB/T12613.7-2011) | | Description (Translated English) | Plain bearings -- Wrapped bushes -- Part 7: Measurement of wall thickness of thin-walled bushes | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J12 | | Classification of International Standard | 21.100.10 | | Word Count Estimation | 10,164 | | Date of Issue | 2011-12-30 | | Date of Implementation | 2012-10-01 | | Older Standard (superseded by this standard) | GB/T 18330-2001 | | Quoted Standard | ISO 3547-1, ISO 4379 | | Adopted Standard | ISO 3547-7-2007, IDT | | Regulation (derived from) |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 total wall thickness of thin-walled sleeve finished detection devices and methods of measurement. | GB/T 12613.7-2011: Plain bearings -- Wrapped bushes -- Part 7: Measurement of wall thickness of thin-walled bushes
---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.
. Plain bearings Wrapped bushes Part 7. Measurement of wall thickness of thin-walled bushes
ICS 21.100.10
J12
National Standards of People's Republic of China
Replacing GB/T 18330-2001
Plain bearings - Wrapped bushes
Part 7. Measurement of wall thickness of thin-walled sleeve
Part 7. Measurementofwalthicknessofthin-waledbushes
(ISO 3547-7.2007, 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
GB/T 12613 "Plain bearings - hub" consists of the following seven parts.
--- Part 1. Dimensions;
--- Part 2. outside and inside diameter of the test data;
--- Part 3. Lubrication holes, grooves and pockets;
--- Part 4. Materials;
--- Part 5. diameter test;
--- Part 6. inner diameter of the test;
--- Part 7. Measurement of wall thickness of thin-walled sleeve.
This part of GB/T 12613 Part 7.
This section drafted in accordance with GB/T 1.1-2009 given rules.
This Part replaces GB/T 18330-2001 "thin-walled slide bearing bush and wall thickness measurement of thin-walled sleeve." And GB/T 18330-
Compared to 2001, the main changes are as follows.
--- Delete obsolete references in Chapter 2.
--- Table 1. Remove the number of specimens symbols n, Measurement Uncertainty Uncertainty uE symbol symbols u, measuring equipment, for the first time with the first
Difference [Delta] x symbol reading second measured value, Δx of this average [Delta] x; modified portion of the symbol. measuring the distance by the symbol "ac" change
As "ach", wall thickness by the symbol "stot" to "s3".
--- Choose to change the measuring line states. When measuring line, when the sleeve width is greater than 50mm, measured from the line of three to two;-point measurement,
Sleeve width > 50mm, ≤90mm ≤150mm when an outer diameter measuring line to 2; sleeve width > 90mm and an outer
Path > is 150mm, select the measuring line consensus by the manufacturer and user.
--- Remove the wall thickness of ten-point measurement.
--- Load measuring head by a "0.6N ~ 2N" to "0.8N ~ 2.5N".
--- Delete "accuracy specification" clause (GB/T 18330-2001 7.3).
--- Delete (GB/T 18330-2001 8.1) "uncertainty u calculated measure."
--- Remove GB/T 18330-2001 Appendix A and Appendix B.
This section uses the translation method identical with the international standard ISO 3547-7.2007 "Plain bearings - Wrapped bushes - Part 7. thin-walled shaft
Sets of wall thickness measurement. "
Consistency correspondence between this part of international documents and normative references of our files are as follows.
--- GB/T 12613.1-2011 Plain bearings - Wrapped bushes - Part 1. Dimensions (ISO 3547-1.2006, IDT)
--- GB/T 18324-2001 copper alloy sliding bearing bush (idt ISO 4379.1993)
And ISO 3547-7.2007 as compared to this section made the following editorial changes.
--- Equivalents adoption of international standards in place of the standard corresponding to international standards.
This part is proposed by China Machinery Industry Federation.
Bearing this in part by the National Standardization Technical Committee (SAC/TC236) centralized.
This section is responsible for drafting unit. Productivity Promotion Center in the machine.
Participated in the drafting of this section. Zhejiang Changsheng Sliding Bearings Co., Ltd., Zhejiang SF Oilless Bearing Co., Ltd., Zhejiang
Bearing Co., Ltd., Bearing Co., Ltd. Jiashan Feng into three complex.
This part of the standard replaces the previous editions are.
--- GB/T 18330-2001.
Plain bearings - Wrapped bushes
Part 7. Measurement of wall thickness of thin-walled sleeve
1 Scope
GB/T 12613 in this section according to GB/T 27939-2011, provides total wall thickness of thin-walled sleeve finished detecting and measuring device
method.
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 3547-1 Plain bearings - Wrapped bushes - Part 1. Dimensions (Plainbearings-Wrappedbushes-Part 1.
Dimensions)
ISO 4379 copper alloy sliding bearing bush (Plainbearings-Copperaloybushes)
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Wall thickness walthickness, s3
The inner surface of the sleeve and the outer diameter surface corresponds to the diameter of the radial distance between the two measuring points. see picture 1.
a) snap-sleeve b) straight seam sleeve
Explanation.
1 --- buckle.
Figure 1 wall thickness, s3
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