1. Determine the special process control points, the process technology department shall determine the quality control points that must be specially managed, prepare the list of special process quality control points, and form the quality management system documents after approval.

2, the preparation of quality control point flow chart, clear special links and quality control points. According to the technical requirements and process characteristics of different products, control points are set in the necessary links of the process flow for key control.

3. The control point should analyze and verify the process quality, find out the main influencing factors, define the control methods and conduct continuous evaluation. The process documents of control points should include the contents of quality control, such as making specific provisions on control items, contents, methods, inspection frequency, inspection methods, recording and measuring personnel, etc.

4. According to the requirements of quality control, the process department shall prepare the original record form and specify the requirements for filling in the form, including the requirements for inspection, supervision, identification and signature of process parameters and operating conditions by inspectors and technicians. The main original record forms shall be summarized and filed, and the storage period of product quality production records shall be specified for future reference.

5. According to the list of special process quality control points, work instruction documents for special process quality control points, special process process cards and quality control cards are compiled. On the process card and quality control card of special process, specific technical requirements such as process method, operation method, process parameters, production environment and detection means of special process should be specified in detail to ensure the processing quality of special process.

6. Operators and inspectors in special processes must undergo regular assessment and training, and hold post operation certificates. For special posts with special requirements, personnel who have passed professional examinations and have on-site quality control knowledge and experience must be appointed. The technical and quality departments shall review the operators every year to determine the list of operators at special process control points. Personnel changes need to be re-assessed, and those who do not have the corresponding qualifications cannot operate the process.

7, the equipment must be complete, complete, equipped with display or automatic control of process parameter detection and measurement instruments. If necessary, it should also be equipped with automatic recorder of process parameters and safety alarm device.

8. Formulate and implement the system of equipment maintenance, and the system of regular verification and calibration of process equipment and instruments. The competent department of equipment shall establish technical files for equipment use, spot inspection, maintenance and calibration.

9, the acceptance of quality control points, by the technology department in conjunction with the production department * * * with the acceptance of special process quality control points.

Third, the special process control points of on-site refined management

1 Before production, the operator should be familiar with the process regulations and make all preparations in strict accordance with the process regulations, including the inspection of equipment, instruments and meters. And carry out various pretreatment, sample verification of process parameters, etc. At the same time, make original records. For special key parameters, technicians should make technical disclosure to the operators to ensure that the operators really master the process regulations.

2, in strict accordance with the process regulations. The adjustment of process parameters and the inspection of samples should be carried out according to the technical requirements of different products and the relevant provisions of process regulations.

3. Fill in the original records seriously, truly and completely, and sign, handle, transmit and keep them according to the prescribed procedures.

4, should pay close attention to the handling of the situation in the operation, if found, should immediately take effective measures to solve or notify the relevant departments, and make the original records.

5, each batch of materials must be five minutes after driving inspection, and make records.

6. The process inspector shall patrol the production site, supervise the execution of the process and the records of original records, check the processing quality of products in process, and make supervision and inspection records. For the problems found in the inspection, it is necessary to urge the relevant personnel to correct them in time.

7. If the material is picked due to abnormal problems in product production, it shall be controlled according to the Regulations on Fixed Location Management and the Control Procedure for Nonconforming Products to prevent the nonconforming products from flowing into the next working procedure.

8. When it is found that the control method of the process quality control point cannot meet the requirements of the process capability, the person in charge of the control point should immediately report to the process department, and the process department should organize relevant personnel to analyze, improve and perfect it, so as to ensure that the process is under control and make the process produce qualified products stably for a long time.