bldc motor

This comprehensive guide aims to facilitate informed decision-making for engineers ranging from entry-level to veterans, encompassing a thorough exploration of the components, cost implications, and ideal applications of these mechanisms...

What kind of motor is best for your application?  This 6min video helps you to decide whether a brushed motor or a brushless motor would work better for your needs.  Start your e-learning now with Dr. Urs Kafader from the maxon academy.

 
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Servomotors are generally used as a high performance alternative to the stepper motor. Stepper motors have some inherent ability to control position, as they have built-in output steps.

This often allows them to be used as an open-loop position control, without any feedback encoder, as their drive signal specifies the number of steps of movement to rotate. This lack of feedback though limits their performance, as the stepper motor can only drive a load that is well within its capacity, otherwise missed steps under load may lead to positioning errors.

The encoder and controller of a servomotor are an additional cost, but they optimize the performance of the overall system (for all of speed, power and accuracy) relative to the capacity of the basic motor. With larger systems, where a powerful motor represents an increasing proportion of the system cost, servomotors have the advantage….

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Reprint of December 30, 2015 Linear Motion Tips article from Design World

Servo motor sizing is often done with the help of a manufacturer’s sizing program, but it’s important to understand the three most critical factors—speed, torque, and inertia—to ensure you select the best-fit motor for the application.

Selecting the right servo motor for a linear motion system is a complex task, beginning with initial assumptions and component selections, which must be checked through a series of calculations and, in most cases, repeated over several iterations until a suitable combination of motor and mechanics is found...

Kuka’s compact robots in the KR Agilus series are precise, agile and fast.  As agile systems, these five-axis and six-axis handling units feature short cycle times and high repeatability, particularly for pick-and-place tasks.

Synchronous servomotors from Kollmorgen’s AKM series play a major role in achieving this precision. Using collaborative co-engineering, the two companies reduced the installation volume of the motors compared to standard models.  The performance of the robots within their rated load range sets new standards for speed, cycle times and energy supply.  They can even handle unusual tasks in base and cover installation positions. Kollmorgen developed the custom motors by adapting motors from the standard AKM servomotor series. As fast all-rounders, the robots are suitable for general industrial applications.  With a dead weight of 51 kg, the basic model can support loads up to 6 kg.  The compact robots are suitable for process automation...