對我來說,風扇自己防塵也很重要

個人認為防塵都幾重要, 因為屋企大塵
下面是一個極端的例子

1. Asaka Piranha 食人魚
風扇同個fan hub之間的空間較小
Asaka PIRANHA gap between fan and hub.jpg
2016-5-14 21:54


2. Zalman ZM-F3
扇同個fan hub之間的空間較大, 可以看到線圈哩!

ZM-F3

zm-sf3 fdb gap between hub and fan.jpg
2016-5-14 21:54

NOCTUA都係用密封式

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本帖最後由 happy_guy 於 2016-5-15 01:04 編輯

要視乎型號

第一張圖係NF-F12 PWM
NF-F12 PWM gap between hub and fan.jpg
2016-5-15 00:59


第二張圖係NF-S12A PWM
NF-S12A PWM gap between hub and fan.jpg
2016-5-15 00:59

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要視乎型號

第一張圖係NF-F12 PWM


第二張圖係NF-S12A PWM
happy_guy 發表於 2016-5-15 01:00

http://noctua.at/media/blfa_file ... a_pwm_manual_en.pdf

Cleaning and Maintenance
In order to ensure flawless operation over many years of usage, the NF-S12A PWM’s premium grade SSO2 bearing is fully sealed to prevent the entering of fine dust particles. Please note that the fan is not designed to be taken apart by the user. Removing the impeller from the frame will break the sealing of the bearing and results in a loss of warranty.

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the NF-S12A PWM’s premium grade SSO2 bearing is fully sealed to prevent the entering of fine dust particles]


多謝指出SSO bearing的資料
我的理解是它防止灰塵進入SSO bearing的空間

NF-S12A PWM gap between hub and fan3.jpg
2016-5-15 02:45

從另一個角度看, 空隙比較大
感覺上灰塵較會容易進入fan hub附近空間

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