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GB/T 3780.22-2016 English PDF

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GB/T 3780.22-2016: Carbon black -- Part 22: Calculation of process indexes from an analysis of process control data
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GB/T 3780.22-2016English159 Add to Cart 3 days [Need to translate] Carbon black -- Part 22: Calculation of process indexes from an analysis of process control data Valid GB/T 3780.22-2016

PDF similar to GB/T 3780.22-2016


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Basic data

Standard ID GB/T 3780.22-2016 (GB/T3780.22-2016)
Description (Translated English) Carbon black -- Part 22: Calculation of process indexes from an analysis of process control data
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G49
Classification of International Standard 83.040.20
Word Count Estimation 8,834
Date of Issue 2016-06-14
Date of Implementation 2017-01-01
Regulation (derived from) National Standard Announcement No. 8 of 2016
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 a method for the statistical analysis of carbon black production process control data and the use of process control data to compute the two capacity indices (Cp and Pp) and provides a report on the calculation of process capability and process performance from production control chart data format. This standard is applicable to the granulated carbon black sample in the production process before product storage tank. This standard is applicable to the test items of iodine absorption and oil absorption of GB 3778. It is not applicable to samples transported in tanks or other containers or packed. The method can also be applied to other test methods for carbon black products.

GB/T 3780.22-2016: Carbon black -- Part 22: Calculation of process indexes from an analysis of process control data


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Carbon black - Part 22. Calculation of process indexes from an analysis of process control data ICS 83.040.20 G49 National Standards of People's Republic of China Carbon black - Part 22. Processes Control data calculation process capability index Carbonblack-Part 22. Calculationofprocessindexes 2016-06-14 release 2017-01-01 Implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Management Committee released

Foreword

GB/T 3780 "Carbon black" is divided into the following parts. - Part 1. Test method for iodine absorption; - Part 2. Determination of oil absorption; - Part 4. Determination of oil absorption of compressed specimens; - Part 5. Determination of specific surface area - CTAB method; - Part 6. Determination of color strength; - Part 7. Determination of pH; - Part 8. Determination of heating reduction; - Part 10. Determination of ash; - Part 12. Inspection of impurities; - Part 14. Determination of sulfur content; - Part 15. Determination of light transmittance of toluene extract; - Part 17. Indirect determination of particle size Reflectance method; - Part 18. Identification methods in natural rubber (NR); - Part 21. Determination of sieve residue Water rinsing method; - Part 22. Calculate the process capability index with process control data. This part is part 22 of GB/T 3780. This part is drafted in accordance with the rules given in GB/T 1.1-2009. This section is proposed by the China Petroleum and Chemical Industry Association. This part of the National Rubber and Rubber Products Standardization Technical Committee (SAC/TC35) centralized. This part of the drafting unit. China Rubber Group Carbon Black Industrial Research and Design Institute, Ningbo De Tai Chemical Co., Ltd., Jiangxi Yunwei Tiger Chemical Co., Ltd. Company, Pu Lin Chengshan (Shandong) Tire Co., Ltd., Longxing Chemical Co., Ltd., Qujing Zhongyi Fine Chemical Co., Ltd., Shandong Stock Carbon Co., Ltd. The main drafters of this part. Wang Dingyou, Deng Yi, Huang Xifu, Lai Yiping, Ju Xunning, Hou Hegang, Jiang Liangqiang, Zhang Jianmin. Carbon black - Part 22. Processes Control data calculation process capability index

1 Scope

This part of GB/T 3780 specifies the use of statistical techniques to analyze test data and process control data in carbon black production process control (Cp and Pp), and gives a report on the process capability and process performance of the production control chart data format. This part is applicable to the granulation carbon black samples in the production process before entering the product tank. This part applies to the iodine absorption value in GB 3778, Oil absorption test items. It is not suitable for use in tanks and other containers or packed samples. The method can also be used for other carbon black products The test method of the project.

2 terms and definitions

The following terms and definitions apply to this section. 2.1 The average of the moving average The arithmetic mean of n moving ranges is calculated by R = ΣR/n. 2.2 Cpk index Cpkindex Represent the index of the degree of process change caused by common factors within the technical indicators (see 4.4). 2.3 Moving range The absolute difference between two consecutive, individually tested values. 2.4 Ppk index Ppkindex The index of the degree of process change caused by ordinary and special factors within the technical indicators (see 4.6). 2.5 Process Capability Index Cp Used to compare the index of the degree of process change caused by common factors within the upper and lower control limits (USL and LSL), without concern Whether the process is in the middle (see 4.3). 2.6 Process performance index processperformanceindex Pp Used to compare the exponential degree of process change caused by ordinary and special factors within the upper and lower control limits (USL and LSL), and not Whether the process of care is in the middle (see 4.5).

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