How is the quality of the cooling fan improved?

The development history of heat dissipation fans is very long. With the increasing speed of modern development, some equipment industries that are prone to generating high heat have increasingly high requirements for the quality of heat dissipation fans. Some better heat dissipation fans may also have high air volume, low noise, and long service life. So how are these conditions achieved and improved?
Camry cooling fan
These conditions are certainly achieved by the R&D and production departments of cooling fan manufacturers. Each cooling fan manufacturer's R&D and production departments are different, and there are many factors that need to be considered. Sometimes, new product research and development may be added based on customer needs. Therefore, each product developed by the R&D department of cooling fan manufacturers is crucial.
The design and development of the outer frame of the cooling fan need to consider and test the resistance and auxiliary force of various frame shapes on ventilation, how to achieve a perfect point of intersection between wind force and wind pressure, how to minimize bearing friction inside the fan, how to maximize the performance of the auxiliary fan and ensure the safety of the fan, all of which require the R&D department to handle. When the internal structural components and wind pressure and speed of two DC cooling fans are identical, different shaped frames are used for testing. Among them, the performance of this fan with a well-designed frame can be improved by up to 20% compared to the other fan with a regular frame. This shows how important the research and development of a product is.
The production department is also very important. A good production department can improve the quality of the entire product by about 40%, and a good production department can improve shipping speed and save production costs. For example, soldering, a skilled soldering worker can often largely avoid fan defects and improve the stability of the cooling fan.