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Process control

Process control

The implementation of the process management (process control) is based on the special management to implement the process quality management, and the working procedure quality control point to point to in certain conditions, the quality of key property within a certain time or the part of the dominant factors to implement special management, these special parts must be marked on process flow chart. 

One, set up quality control points of process steps 

Establish working procedure quality control point to the new product, should be in front of the new products put into production, to prepare relevant documents for process design. Set up quality control points of process for the production of products, generally by the enterprise quality management department under the state council in conjunction with the technology department organize relevant functional departments, production workshop according to the following steps. 

1, determine the process quality control points, and prepare the schedule of working procedure quality control point 

Enterprise quality management department under the state council in conjunction with the technology department, organization design, test, production and workshop etc, important degree classification according to the product quality characteristics, process procedures and the quality of the existing problems, through the comprehensive analysis according to the following principles, determine product shall establish in the process of production process quality control points, and prepare the "schedule of working procedure quality control point". 

(1) the product's performance, precision, life, reliability, security, and has a direct effect on its key parts such as quality characteristics, and affect the quality characteristics of dominant factors. 

(2) process itself have special requirements, or the next shark's quality has a direct impact, and affect the quality characteristics of dominant factors. 

(3) working procedure quality is not stable, has not qualified the chance of higher quality, and affect the quality characteristics of dominant factors. 

(4) according to the quality of the user feedback information or sampling inspection, review the quality of the unqualified project. 

2, preparation of quality control points of process related documents 

1) compiled by technology department is responsible for "control point process flow diagram", which indicate the establish process quality point process flow diagram. 

(2) by the technology department organize workshop engineer, ZhiGuanYuan process analysis, the dominant elements of affecting quality and verified and confirmed after the quantitative analysis, prepare the table "process quality". 

(3) by the technology department is responsible for process quality control standards and inspection procedures. Compiled "work instruction" and "working procedure quality control point table (self-checking list)". 

(4) the quality management department will through the process analysis to find out the quantitative dominant requirements, after consultation with technology department, confirm the need as control content, supplement on the "schedule of working procedure quality control point" and the printing. 

3, the dominant process elements of the special management 

Equipment, tools, measuring, testing, production, supply and other departments, according to the requirement of the "table" process quality, the functions of the department about the dominant factors, formulate measures for the administration. Establishment, such as: "equipment cycle check card", "tooling cycle check card" and other documents, and implement special management. 

4, to determine the appropriate control methods (statistical methods) 

Quality management department, technology department organization workshop engineer, ZhiGuanYuan, data collection and processing and analysis. When confirming the current processes are in a state of stability control, set up data record and control charts or other control methods as a control measure. 

5, set up quality control point management system 

Quality management department to draft "process quality control management system", "self management system" and specify the corresponding allowance and reward measures, approved by the labor department after approval by the director. 

6, organize the training 

To participate in quality control of relevant workers, inspector training organization, learning about the control point of files, the rules and regulations, and relevant knowledge, through the assessment requirements. 

7, create conditions of implementation of quality control 

Factory leadership should organize the relevant departments, research and solve everything we need for quality control points of the implementation of quality control technology and resource conditions. 

8, organize the implementation of 

Workshop organization operating workers or inspectors implement process quality control, technology department, quality control, quality inspection department, production management departments jointly organized review, diagnosis, improvement opinions are put forward. The personnel department in accordance with the provisions, the relevant personnel to give subsidies and reward. 

9 pre-acceptance, workshop organization 

Workshop organize relevant personnel in accordance with relevant standards and regulations to implement the process quality control process, condition and effect of acceptance, determined to conform to the requirements and to determine effective to the enterprise quality management department to apply for an official acceptance to working procedure quality control point. 

10, after formal acceptance is given to the effective identification 

Quality management department under the state council in conjunction with the technology department, quality inspection department, production management department to an official acceptance to working procedure quality control point. After the acceptance of hang up the control point logo. 

11, implement dynamic management 

After acceptance, quality management department to strengthen the regular monitoring and inspection of quality control points of process, implement dynamic management. 

(1) the key working procedure quality control point should insist for a long time to implement quality control, quality administrators should, in conjunction with the engineer to strengthen the observation, judgment and analysis of control chart, at any time to take effective measures to keep controlled process stability. Once found the quality control points of control function failure, should remove the control point, the workshop according to build some steps to establish and acceptance. 

(2) the quality of the weak link of quality control points, after a period of time, the implementation of the verified indeed has returned to normal, revocable quality control points. 

(3) according to user requirements to establish the quality control points, when the user is no longer required, may revoke the quality control points. 

Every experience certificate has been revoked working procedure quality control point, must be timely to modify the related technical documents. 

12, organize the supplier audit of quality control points, evaluation 

In order to ensure the effective and continuous improvement, quality control points should be conducted on a regular basis working procedure quality control points of process control, the effect of audit and evaluation. 

Second, the working procedure quality control point should reach the conditions 

1, quality must be clear 

Every quality control points should have clear quality standards, quality standards when they can't express in words or data, it shall establish a quality standard. Quality control points of the quality requirements should be in commonly "schedule of working procedure quality control point" or specified in the engineering drawing "quality management". 

2, process analysis 

Produced by process analysis "table" process quality, to determine the dominant elements after regression analysis methods such as quantitative shall expressly provide the threshold value, detection means and control method, and clearly understood. 3, make operation standard 

Process quality control points should be to guide operation for worker of wi (or operating procedures, operating CARDS). Operators must strictly carry out operation standard. For truly "standardized operations" and "standard operation". 

4, make the inspection procedures and conform to the requirements of the testing equipment, set up perfect quality inspection system 

5, and determine the suitable control method 

Every quality control points, control should be focused on the types and characteristics of the object and the nature of the data, determine the appropriate control methods, such as data table control diagram, control diagram, options or precontrol figure, etc. To operators and inspectors shall be trained, to control method should be used, the calculation, drawing, and judgment, when an exception occurs shall have the ability to take timely measures to adjust the process. 

6, to set up the quality responsibility system, the introspection campaign 

7, operators and inspectors have quality control point to their own requirements 

Eight, to set up the measures for the management of quality control points and the detailed rules for the implementation 

9, can implement process control 

After three months the inspection validation, achieve stable and qualified by the personnel concerned in the workshop. 

10, the enterprise organization acceptance, which has been equipped with logo 

Third, the procedure quality control point of operators and inspectors 

1, the requirements for operators 

(1) should learn to master basic knowledge of the overall comprehensive management, understand the data table used in this process, the use of the control chart and other statistical tools and role, will also have a dot the data and drawing. 

(2) should be clearly grasp the quality requirements of the operation process and quality control requirements. 

3. Familiar with operating procedures and strictly implemented, to the right operation to ensure product quality. 

(4) master process of dominant factors, right into the operating procedures should conscientiously implement the control of the dominant elements; Control of the dominant elements of other departments responsible for should supervise. 

(5) actively carry out self-inspection. 

6 sets up "the procedure is the user" and "the user first" the guiding ideology, constantly improve the quality of process according to customers' requirements. 

7) fill in "data form", "control chart" and operation records, according to the rules of time sampling, testing, and record the dot, calculation and drawing. Keep the record charts and neat, clean and accurate, and don't fake it. 

Was once found abnormal process quality in the process of processing (such as control charts in the abnormal judgment test mode) analysis and take action to correct immediately. If indeed they cannot eliminate abnormal, should immediately report to the team leader or process technicians. 

2, to the checker's request 

(1) in addition to the proper execution of normal quality inspection, shall inspect and supervise workers to perform operation process and quality control procedures. Workers to find any illegal operations, shall be immediately discouraged, when dissuasion failed, should report to the test house and workshop leadership, and make records. 

(2) in the circuit inspection shall check the quality of the control features or dominant factors, found the problem into should help operators analysis, find out why take timely measures to correct. 

(3) to have the process error prevention device, the analyst should be timely check error prevention device running whether normally, in conjunction with the tooling maintenance personnel adjustment, repair if necessary. 

(4) should be familiar with the responsible for inspection within the scope of quality control and testing, test method, test strictly according to the inspection procedures. 

(5) should be familiar with quality control methods used in the figure, table and role of usage. And to supervise and inspect the correctness of the operators perform quality control. 

6. The self-inspection record of operating workers rate, self-check accuracy, calculation and testing for inspection and prepare the report. 

All landowners to participate in the process quality control points of audit in accordance with the regulations. 

Process management (process control) is the most important in the process of enterprise production, the key work. Enterprises in the process of quality management system set up and run, statistical process control system have to be considered as an important sub system, give high attention. 


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