Centrifuges are core equipment in almost all research laboratories, clinical testing institutions, and biomedical experimental environments. Whether in molecular biology, cell engineering, biochemistry, immunoassay, or blood analysis, centrifuges perform crucial tasks such as sample separation, purification, and pretreatment. By generating centrifugal force through high-speed rotation, centrifuges can effectively separate components based on density differences, helping researchers and laboratory technicians complete experimental and testing processes more efficiently.
Working principle of centrifuge
Laboratory centrifuges use a motor to drive a rotor at high speed, causing samples to separate under centrifugal force. Because different substances differ in density, particle size, and sedimentation velocity, the components gradually form different distributions during centrifugation, thus achieving sample separation, purification, or concentration.
Depending on the application requirements, laboratory centrifuges can generally be divided into:
- Benchtop centrifuges
- Ultracentrifuges
- Floor-standing centrifuges
- Refrigerated centrifuges
- Microcentrifuges
Different types of equipment differ in terms of speed range, load capacity, temperature control structure, and running time, thus requiring different performance characteristics from the drive motor.
Why Choosing the right motor is crucial
High-speed output and stable rotation speed
Centrifugation efficiency is closely related to rotational speed. For high-speed and ultra-high-speed centrifuges, the motor needs to operate stably and continuously at high speeds while maintaining low speed fluctuations to avoid uneven sample separation or deviations in experimental results.
Low Vibration and Smooth Operation
Centrifuges are high-speed rotating devices, and even minor deviations in the rotor are amplified during high-speed operation. Unstable motor output can easily lead to vibration, noise, and even affect the lifespan of the equipment.
Long-Term Continuous Operation Capability
Laboratory centrifuges typically require long-term continuous operation, especially in applications such as medical testing, biopharmaceuticals, and scientific research, where high stability and reliability are crucial. Compared to traditional brushed motors, brushless DC motors offer significant advantages in efficiency, lifespan, and maintenance requirements, and are now widely used in high-speed laboratory centrifuges.
High-speed drive solution for laboratory centrifuges
The KAE1625 brushless motor developed by Kinmore is manufactured using high-precision processes. It features stable speed control and sustained output capability, providing efficient and reliable power support for laboratory centrifuges.
- High-speed, stable output: This motor boasts an idle speed of 30,150 RPM and a rated speed of 26,566 RPM, providing stable centrifugal force output for laboratory centrifuges and contributing to improved sample separation consistency.
- Low vibration operation: The brushless design reduces mechanical friction and commutation interference, maintaining smooth operation even at high speeds and further improving equipment vibration and noise performance.
- Supports rapid start-stop control: Laboratory centrifuges typically require frequent start-up, acceleration, deceleration, and braking control. The KAE1625 motor offers excellent dynamic response capabilities, adapting to multi-stage speed switching requirements.
Based on the actual application needs of centrifuge equipment, Kinmore Motor will continue to optimize the output stability, vibration control performance and overall operating efficiency of the motor, so as to maintain consistent operating performance under different working conditions and provide efficient drive support for different types of laboratory centrifuge equipment.
