Tiny Cooling Fan resonance damaged blade

All need to use the "Tiny Cooling Fan" motors and electronic products, must decide on a particular system needed for cooling air flow, and the desired amount of wind power depends on the understanding of the system and whether it can take away enough heat to prevent system Health situation of overheating. Facts show that the useful life of the system due to insufficient cooling system and reduce sales and price system, probably because the useful life of the system does not match the user's expectations decline. Once used by more than a few phenomena "Tiny Cooling Fan" happened, we must stop to check, can not continue to run the boot, otherwise it will cause great damage to the fan, you can check is not "Tiny Cooling Fan" long-term Working under stall conditions, a significant increase in air flow pressure pulsation amplitude, resonance damaged blade.