Why Do Fasteners in Stainless Steel Fans Fail?

During prolonged operation of stainless steel fans, their fasteners may occasionally fail. Once fastener failure occurs, it can adversely affect the fan's performance and, in severe cases, even damage the unit.

Therefore, precautions should be taken to prevent such failures during operation. What are the potential causes of fastener failure? The primary reasons for fastener failure in stainless steel fans are as follows:

1. Excessive Load During Operation  The impeller section of stainless steel fans operates at high rotational speeds, subjecting it to substantial loads.  Furthermore, when loads exceed the fan's rated capacity, all internal components bear additional stress, potentially causing fastener failure.

2. Sudden reverse start-up. If the stainless steel fan is not fully stopped before being abruptly started in reverse, its components will move in different directions due to inertia. This causes asynchronous operation among parts, leading to fan malfunctions.

Generally, stainless steel fans operating at ambient temperatures will generate some heat. This is due to friction between machine components, but not all elevated temperatures are normal.