When choosing a rotor, it's important to understand that, once the capacity is fixed, one of the key performance indicators—Zui—is not the rotational speed, but rather the centrifugal force. The actual strength of the centrifugal force directly affects the efficiency of separation. Although rotors from different manufacturers with the same capacity may reach the same rotational speed, the resulting centrifugal force can vary significantly. Some manufacturers reduce production costs and minimize noise by designing rotors with very small angles, which leads to a shorter centrifugal radius. As a result, at the same rotational speed, the centrifugal force generated is lower compared to a rotor with a larger angle. This also makes it less convenient to collect the centrifuged material effectively.
It's crucial to consider these factors when selecting a rotor, as they directly influence the performance and effectiveness of the centrifuge in practical applications. Understanding how centrifugal force is calculated can help users make more informed decisions.
**Attachment: Centrifugal Force Calculation Formula**
RCF = 11.2 × R × (r/min / 1000)²
In this formula, RCF stands for Relative Centrifugal Force, R represents the radius of the rotor in centimeters, and r/min indicates the rotational speed in revolutions per minute. This calculation allows users to determine the effective centrifugal force applied during the process, helping them compare different rotors and optimize their centrifugation settings for better results.
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