Portescap in Motion

Choosing a Motor for Electronic Pipettes

Posted by Valentin Raschke   Oct 12, 2021   0 Comments

Choosing a Motor for Electronic Pipettes

                                                                                                                                 

When it comes to dispensing a specific volume of liquid in a lab environment, pipettes are essential. Electronic air displacement pipettes have taken the lead due to the needfor a high level of precision and accuracy required for repeated use over a periodof time. With the improvement of a digital interface for adjusting aspiration or dispensing, electronic pipettes offer a huge advantage and relief from ergonomic methods.

The motor is the key element in the design. When design engineers specify a motor    they must consider factors such as motor power, size and weight, and control electronics. Let’s look at the two most considered motor options - stepper motors and DC motors to help determine the fit for your application.

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Topics: miniature motors, Stepper Motors, Brush DC Motors, Portescap, brushless DC motor, pipettes, laboratories, accuracy, precision, automated systems

Sterilizable Encoders and BLDC Motors Drive Surgical Hand Tool Advances

Posted by Andrew Sharp   Sep 28, 2021   0 Comments

Sterilizable Encoders and BLDC Motors Drive Surgical Hand Tool Advances

 

 As handheld surgical tools gain wider adoption, there’s a growing demand for smaller, lightweight devices that can offer more capability and precise motion profiles. When it comes to brushless DC motors (BLDC) commonly used in handheld surgical tools, magnetic encoders provide the high-resolution feedback that makes high-performance drive systems possible, and they offer many benefits. However, not all encoder/feedback technologies are the same.  Here are some situations that call for an encoder as part of a drive system:

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Topics: BLDC Motors, Encoders, feedback sensors, motion system, brushless DC motor, angular position control, torque control, integrated BLDC motor and encoder, surgical hand tools, magnetic encoders, motor feedback, high resolution feedback, motor position, velocity control, motor control, motion control

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