JB/T 3736.2-1994 Cause-effect diagram, a statistical tool commonly used in quality management

This standard describes the composition, drawing and application of cause-effect diagrams. Cause-effect diagrams are used to analyze the causes of quality problems in order to determine the cause-effect relationship and provide a basis for quality improvement. JB/T 3736.2-1994 Cause-effect diagrams, commonly used statistical tools in quality management JB/T3736.2-1994 Standard download decompression password: www.bzxz.net

Machinery Industry Standard of the People's Republic of China
JB/T 3736. 1~-3736. 8-- 94
Statistical tools commonly used in quality management
Published on December 9, 1994
Ministry of Machinery Industry of the People's Republic of China
Implementation on October 1, 1995
Mechanical Industry Standard of the People's Republic of China
Statistical tools commonly used in quality management
Cause and Effect Diagram
1. Main content and scope of application
This section explains the construction, drawing and application of cause and effect diagrams. JB/13736.2:94
JH3730.2—21
The cause and effect diagram is used to analyze the source of the production and pressure problems in order to determine the cause and effect relationship and provide the basis for quality improvement. The cause and effect diagram consists of two parts. The main part refers to the measurable problem. The big part under the big part represents the influence of the quality factor. The small part, branch and twig represent the search from the point to the next level and then expand to form a tree classification diagram. Figure 1.
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determine the quality or problem of equal division, write it in the direction of the needle, and find the arrow under the right side to determine the problem of the time to eliminate the factor classification method. For example, when dividing the process quality problem, you can use the method of its impact on the solid demand h.
operator, machine, sealing, square light, environmental competition and other categories, or you can classify it as a process step such as heat treatment, preheating, adding, cooling, tempering, full treatment, etc. The country, the three products are in turn, the head is the main point of the consulting, write the country's classification item at the end of the arrow. Classify the items separately and complete the study. Each room shows a network of large branches to create a sense of quality of the star station theme of the original letter, the Ministry of Industry and Commerce approved 1994-12-0 || tt || 1995-10-01 implementation || tt || JB/T 3736.2:94 || tt || two parallel to the work of the head pointing to the two major use, the source of the cause of the middle and then expand the film to form a small technology, small technology is the source of the technology or the flash. The installation can be carried out to improve the day by day. Analyze the reasons marked on the analysis chart, and sort out a small number of <3~5 reasons that have the greatest impact on demand from the lowest quality reasons and mark them on the surface. For example, collect data, conduct tests to confirm, improve and release, etc., and then draw the name of the cause and effect diagram, give the diagram time, the analysis of the hostages, etc. 3.2 Determine the quality of the analysis. See Figure 2. b. Determine the classification of factors that affect the pressure, see Figure 3. c. For the main reasons, see Figure 4.
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Continue to expand and complete the black, dead map.
JB/T 3736.294
Mark the main original area on the cumulative map, see 5, let the name, illustrator, drawing time, and personnel of the cause and effect diagram be clear, see 5E
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This standard is proposed by the Mechanical Industry Department's Mechanical Change Standardization Research Institute. The majority of the law
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wood standard by the Ministry of Industry Mechanical Covering Standardization Research Institute, Beijing No. 1 Machine Tool Factory, the first Lan machine tool production, Shenyang Heavy Machinery! Factory responsible for the main evil down Zhang, the standard business Zhang Bao, and well, Xiao Zongxiang, storage as proof.
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