Control chart: Control chart is a chart with control boundary, which is used to distinguish whether the cause of quality fluctuation is accidental or systematic, and can provide information about the existence of systematic causes, so as to judge whether the production process is under control.
Causal analysis chart: Causal analysis chart is characterized by results, with reasons as factors, and the relationship between them is indicated by arrows.
Scatter chart: Scatter chart, also known as correlation chart, is to draw two variable data that may be related in a targeted way on a coordinate chart to show whether there is correlation between a pair of data. This pairing data may be the relationship between feature-cause, feature-feature and cause-cause.
Pareto diagram: Pareto diagram is a tool to analyze and find the main factors affecting quality. Its form is a double rectangular coordinate diagram, and the left ordinate indicates the frequency (such as the number of pieces, the amount, etc.). ) The ordinate on the right represents the frequency (such as percentage). The dotted line indicates the cumulative percentage, and the abscissa indicates various factors affecting the quality, which are arranged from left to right according to the degree of influence (that is, the frequency of occurrence).
Statistical analysis table: it is a tool to sort out data and analyze the preliminary reasons by using statistical tables. Its format can be changed. This method is simple, but practical and effective.
Data analysis method: number is to summarize and compare the data with the same nature collected under the same conditions.
Histogram: Histogram, also known as histogram, is the main tool to display data changes. Histogram can be used to analyze the regularity of chaotic data, visually see the distribution of product quality characteristics, and the central value or distribution of data is clear at a glance, which is convenient to judge its overall quality distribution.
2. The eight principles include: paying attention to customers, leading role, full participation, process method, system management method, continuous improvement, fact-based decision-making method and mutually beneficial relationship with suppliers.
Focus on customers: organizations depend on their customers, so they should understand their current and future needs, meet their needs and strive to exceed their expectations.
Leadership: leaders establish the purpose, direction and internal environment of organizational unity. The created environment enables employees to fully participate in activities to achieve organizational goals.
Full-time participation: People at all levels are the foundation of the organization, and only with their full participation can their talents bring benefits to the organization.
Process method: managing related resources and activities as a process can achieve the expected goals more efficiently.
Systematic management method: identifying, understanding and managing a system composed of interrelated processes according to established goals is helpful to improve the effectiveness and efficiency of the organization.
Continuous improvement: continuous improvement is the eternal goal of an organization.
Fact-based decision-making method: Effective decision-making is based on logical and intuitive analysis of data and information.
Mutually beneficial relationship with suppliers: maintaining mutually beneficial relationship between organizations and suppliers can enhance the ability of the two organizations to create value.
Extended data
1, Seven Skills of Quality Management
1) source
Seven tools, old and new, were summed up by the Japanese. After the Japanese put forward the old seven pieces and succeeded, they put forward the new seven pieces in 1979. It is called "seven tools" because ancient Japanese samurai often carried seven weapons when they went out to fight, and the so-called seven tools were used by seven weapons.
Of course, there are more than seven useful quality statistics management tools. In addition to the old and new seven tools, the commonly used tools include experimental design, distribution diagram, transfer diagram and so on.
In fact, the methods of quality management can be divided into two categories: one is organizational quality management based on the idea of total quality management; The second is quality control based on mathematical statistics.
2) Main contents
Organizational quality management method refers to the method of quality management from the perspective of organizational structure, business process and working style of personnel. It is based on the idea of total quality management, and its main contents include: formulating quality policy, establishing quality assurance system, carrying out QC group activities, sharing the quality responsibilities of various departments and carrying out quality diagnosis.
2. Eight principles of quality management
1) background
The eight principles of quality management are the most basic/universal general laws expressed in highly generalized language on the basis of actual management experience, which can guide an organization to improve its overall performance by paying long-term attention to the needs and expectations of customers and other interested parties. It is an important part of quality culture.
2) Function
Guide ISO/TC 176 to compile the 2000 edition of ISO9000 family standards and related documents;
Guide the organization managers to establish, implement and improve the quality management system; Of the organization;
Guide auditors, consultants and quality workers in the front line of enterprises to learn, understand and master the 2000 version of ISO9000 standard.
Baidu Encyclopedia-Seven Skills of Quality Management
Baidu Encyclopedia-Eight Principles of Quality Management