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Time：2022-01-19Views：0
In the cooling fan industry, most of the names are based on the size of the cooling fan. For example, the 3010 cooling fan is a 30*30*10mm cooling fan, that is, the length and width are both 30mm and the thickness is 10mm. However, the actual fan made by the cooling fan manufacturer The thickness is not 10mm, most of them are around 10.5mm.
Such as 2510, 3010, 3510, 4010, 4510, 6010, these fans are originally 10mm thick, and most of them are 10.5mm thick.
The above fans can be veneered by most manufacturers, that is, the leaves will not be higher than the height of the outer frame, but there are also some larger models, where the leaves are super high and protruding.
For example, 5010 has different sizes from different manufacturers, and the thickness is between 10.5-12mm. Some manufacturers call it 5012 directly.
For example, 7010, 8010, two 10mm thick fans, the outer frame is generally 10.5mm, but the leaves will protrude, making the total height 11-11.5mm
Why is this? It is said that when the cooling fan was introduced to China, these 10mm thick fans were originally 10mm±0.5mm, and the actual thickness was 10mm. At that time, China, which was just starting out, had to achieve this thickness. It is not easy to do, and it is very difficult. It is still difficult for most of the current cooling fan manufacturers. According to this tolerance, the Chinese changed it to 10.5mm±0.5mm. When using it, most of the customers are not troubled, and it has been Up to now, the fan with a thickness of 10mm, the actual thickness is 10.5 or more
According to customer requirements, Jingyangda Technology has re-opened special molds for some 10.5mm thick cooling fans, customized the shaft core, and changed it to 10mm thick to ensure that the leaves are inside the outer frame, without bulging or interference.
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