![]() The first natural frequency corresponds to the critical speed of our rotating machinery. All we need to do is setup a “Frequency study” and calculate the first natural frequency of vibration. Knowing the critical speed is therefore vital for both designers and operators of the equipment.įortunately, SOLIDWORKS Simulation makes the process of calculating critical shaft speed easy. When that happens, the motion of the resonating part will be amplified, which can result in severe damage. Unexpected downtime because of a mechanical issue can cost a company thousands of dollars in lost productivity.Ĭritical speed occurs when some part of a rotating machine begins to resonate in response to a frequency produced during operation. At this speed, vibration can cause the machinery to function incorrectly and cause issues such as loosening of parts, poor vibration characteristics and even bearing and foundation damage. ![]() Critical shaft speed is the speed at which a shaft becomes resonant. ![]() ![]() It is essential to understand the critical speed of rotating machinery to ensure safe and reliable operation of the equipment. ![]()
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