Solution
Yuhua Fused Cast
AZS Fused cast Brick Chemical Composition Test Failure How to deal with our factory
1.Identification and isolation of non-conforming products
Immediate identification: Once the chemical composition of AZS fused cast bricks is found to be non-conforming during quality inspection or inspection, it should be identified immediately. Isolation processing: isolate the non-conforming products from the qualified products to prevent confusion, and clearly mark the status of non-conforming products.
2.Analysis of reasons for non-conformity
Collect data: Record the chemical composition data of the non-conforming products in detail and compare it with the standard value.
Analysis of causes: Organise technicians to conduct in-depth analysis of the causes of non-conformity. Possible causes include raw material problems, improper control of production process, equipment failure and so on.
3.Formulate the treatment programme： According to the reasons for failure,
formulate targeted treatment programmes. The following are some common processing measures: rework: if the problem can be solved by re-processing, such as adjusting the production process parameters, replacement of raw materials, etc., you can consider rework of nonconforming products.
Definition of rework standards: The process department evaluates the conditions for rework of nonconforming products according to the product process and product characteristics, and defines rework standards and operation methods.
Execute rework: The production department executes rework operations according to rework standards, and reworked products must be specially labelled and rework records must be kept. Repair: Repair can be considered for non-conforming products that cannot be solved by rework but can be repaired to reach the qualified standard.
Define the repair method: The process department evaluates whether the nonconforming product can be repaired according to the product process and product characteristics, and defines the repair method.
Execute repair: The designated personnel who have passed the competence assessment will execute the repair operation, and the repaired products must be specially labelled and the records of repair items must be kept.
Scrapping: For non-conforming products that cannot be reworked or repaired, they should be scrapped in accordance with the regulations. Application for scrapping: The product belongs to the unit or the responsible unit to put forward the application for scrapping, and fill in the application form for scrapping.
Approval and execution: The scrapping should be countersigned by process, quality and production departments, confirmed by full inspection of quality department, and finally signed and confirmed by factory manager before execution.
Special Mining: In specific cases, such as urgent production needs and unqualified items do not affect the function and appearance of the product, or the evaluation of the impact of the degree of acceptable range, special mining can be considered.
Application for Special Mining: The demand department shall submit the application for special mining. Evaluation and Approval: The special procurement shall be countersigned by the raw material evaluation committee composed of process, quality, production department and related parties, and signed by the chairman of the evaluation committee before execution. Special materials must be attached with special labels to mark and retain special records and traceability information of the production process.
3. Preventive measures and continuous improvement
Strengthen the inspection of raw materials: ensure that incoming raw materials meet the quality requirements, and strictly control the impurity content of raw materials.
Optimise the production process: according to the analysis of the reasons for failure, optimise and adjust the production process to improve the stability of product quality.
Enhance staff training: Improve staff's quality awareness and operation skill level, reduce the non-conformity caused by human factors.
Establishment of quality traceability system: improve the quality traceability system to ensure that non-conforming products can be timely and effective treatment and trace the causes.
Through the implementation of the above measures, Yuhua can effectively deal with the problem of unqualified chemical composition test of AZS fused cast bricks and ensure that the product quality meets the standard requirements.
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