How to Ensure the Quality of Each Biomedical Product

Scan the code of the ultra-low temperature freezer that enters the final inspection stage and connect it to the system, and scan the appearance. Then, according to the model inspection standard, check the required inspection parts including the appearance, product body, door seal, accessories, manuals and other related printed materials one by one and upload photos to the system, then wait for the second inspection and judgment of the information management and control system to ensure that the monitoring data of each machine can be observed in real time. This is the daily work of Mr. Lu, the quality inspector of Haier Biomedical who is in charge of final product inspection. Generally, he needs to repeat the process 50-60 times a day.

In the quality inspection workshop of Haier Biomedical’s new IoT factory, every quality inspector is seriously focused and professional while strictly repeating every process in their charge. It is such a large and precise coordinated quality inspection system that ensures the quality of each manufactured-finished product.

For a high-precision equipment such as a biomedical freezer or refrigerator, strict quality control is essential for sample safety. Therefore, how to establish an intelligent, thorough and efficient quality inspection system is a problem that all manufacturers must solve. At Haier Biomedical, from the completion of production to the successful offline production of each unit, a product has to go through at least two thorough processes to finish a comprehensive quality inspection process covering appearance, safety performance and functional performance. The quality inspection of Haier Biomedical consists of four major links, maximizing efficiency, coverage, intelligence and accuracy to ensure the highest quality of each product.

First Product/Unit Inspection

In the production process, after the foaming mold is installed and debugged, there might occur deformation and size inconformity with the requirements, which will affect the subsequent process production. In order to avoid this problem, Haier Biomedical has introduced a daily first product/unit inspection for each model planned to be produced on the day. After measuring and confirming that the first unit's appearance and dimensions are accurate and without any deviation, mass production can be carried out to ensure the best product size accuracy.

Safety Inspection

From the first inspection process to final assembly, the safety detection link mainly involves product safety inspections including leak detection, grounding and pressure resistance tests. Each welding position is inspected by leak detection equipment to ensure that each product meets the product's factory safety performance test requirements while automated inspections are carried out through information-based laboratory safety tests to prevent test errors caused by human factors.

Performance Inspection

As a key part of product quality control, performance inspections test a series of performance data such as internal temperature, temperature uniformity, cooling speed, switch-on power and USB function, which is the most demanding and time-consuming section of the overall inspection process. When testing temperature uniformity, the quality inspector must first arrange points on the main sensor and the center point of each floor for data collection and parameter adjustment in advance. If any tiny deviation occurs, it is easy to trigger the high and low temperature alarms, thus the link is often with higher requirements for the inspector’s skills, experience and patience. In order to ensure the accuracy of data, the test process takes 12 hours and it often requires the support of night shift colleagues. The test data will be generated the next day and the quality inspector will judge whether it is compliant according to all necessary standards and will be automatically uploaded to the system and synchronized to the test date of corresponding machine, which is convenient for any follow-up inquiries.

Final Inspection

The appearance refinement of the whole unit and the structure will be rechecked in this process. The final inspection before coming the off-production line to packaging is required for each product. This link mainly includes the inspection of the whole machine appearance, door assembly, refrigerator/freezer equipment, accessories and other related inspections, confirming no problem exists after packing and shipment.

Sampling inspection: Before shipment, the sampler shall conduct random inspections on finished products according to the quality and control requirements and further check the appearance and performance test to ensure that each batch of products meets the highest standards and requirements set by Haier Biomedical's Quality and Control Department.

Haier Biomedical’s intelligent quality control and inspection link is also a successful integration of IoT technology with production links. Through the terminal system, the data of all models are connected, which can be observed in real time, greatly reducing labor costs and manual error rates while achieving follow-up real-time traceability of all data for each product, which is convenient for long-term equipment maintenance and product optimization.

Any global leading brand should ensure such quality practices are adhered to ensuring all checks and balances are followed to produce the highest quality products in the market, these internationally leading practices have been implemented at Haier Biomedical. At Haier Biomedical, we have achieved this with actual product experience and user feedback. Strict quality control is Haier Biomedical's commitment to every user who chooses to trust us, and it is also the responsibility of Haier Biomedical to undertake the best practices in the industry to continue to have the trust and of all users for our brand. Intelligent protection of life, being responsible to users, Haier Biomedical is always committed to providing you with the best biomedical cold chain solutions!