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GB/T 28280-2012 PDF English

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GB/T 28280-2012: Plain bearings -- Quality characteristics -- Calculation of machine and process capabilities
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GB/T 28280-2012English339 Add to Cart 3 days [Need to translate] Plain bearings -- Quality characteristics -- Calculation of machine and process capabilities

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Basic data

Standard ID GB/T 28280-2012 (GB/T28280-2012)
Description (Translated English) Plain bearings -- Quality characteristics -- Calculation of machine and process capabilities
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard J12
Classification of International Standard 21.100.10
Word Count Estimation 8,869
Quoted Standard GB/T 28281-2012
Adopted Standard ISO 12303-1995, IDT
Regulation (derived from) National Standards Bulletin No. 9 of 2012
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 line with GB/T 28281 quantitative sliding bearing capability and quality characteristics of the machine process capability detailed calculations.

GB/T 28280-2012: Plain bearings -- Quality characteristics -- Calculation of machine and process capabilities




---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.Quality characteristics.Calculation of machine and process capabilities ICS 21.100.10 J12 National Standards of People's Republic of China Quality characteristics of sliding bearings Machine capacity and process capacity calculation (ISO 12303..1995, IDT) 2012-05-11 release 2012-12-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Management Committee released

Foreword

This part is drafted in accordance with the rules given in GB/T 1.1-2009. This standard uses the translation method equivalent to the international standard ISO 12303..1995 "Sliding bearing quality characteristics Machine capacity and process energy Force of the calculation. " This standard is proposed by the China Machinery Industry Federation. This standard is the national sliding bearing standardization technical committee (SAC/TC236) centralized. This standard is responsible for the drafting unit. China Machine Productivity Promotion Center. The standard to participate in the drafting unit. Zhejiang Xianfeng Auto Parts Co., Ltd., Ningbo Bearing Factory, Lin'an Oriental Bearing Co., Ltd.. Quality characteristics of sliding bearings Machine capacity and process capacity calculation

1 Scope

This standard specifies the detailed calculation of the machine capacity and process capability of the GB/T 28281 sliding bearing quantitative quality characteristics method.

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 28281-2012 Sliding bearing quality characteristics Statistical process control (SPC) (ISO 12302..1993, IDT)

3 terms and definitions

The following terms and definitions apply to this document. 3.1 Machine capacity machinecapability The actual performance of the machine meets the required requirements. Usually expressed by an index, for example. Cm, Cmk. 3.2 Process capability The actual ability of a process to meet a specified requirement related to a measure. Usually expressed by an index, for example. Cp, Cpk. 3.3 Statistical process control In the process of product technology through statistical methods to control the quality characteristics of sliding bearings, so that it can meet the quality requirements. 3.4 Quality characteristic Used to evaluate the quality of sliding bearings.

4 symbols and abbreviations

Cm machine capacity index (unilateral) Cmk machine capacity index (unilateral and bilateral) Cp process capability index (unilateral) Cpk process capability index (unilateral and bilateral) d2 factor G normal number of judgments LL limits the limit UL specified limits ...

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