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direct drive motor
Posted: October 04, 2023Over the decades, while the basic premise of motor operation has remained largely consistent, there have been remarkable innovations in design and functionality tailored to the evolving demands of industries. Enter direct drive motors, a technology that seeks to streamline and enhance the power transmission process. Unlike traditional motors, which often rely on a series of transmission mechanisms to transfer and modulate power, direct drive motors seek to simplify the pathway of power, ensuring a direct link between the motor's output and the operational application...
Categories: Automation 101
Posted: March 17, 2016Servomotors 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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Categories: Technical Support- Posted: January 21, 2014
Reprint of Kollmorgen Technical Article posted January 08, 2014, by Tom England
Coating and lamination applications demand precise speed regulation in order to avoid velocity ripple that causes uneven coating and undesirable horizontal bars across the substrate. The key to achieving the most uniform coating is minimizing the variations in velocity as well as in metering of the coating material. Coating and laminating applications are characterized by compliance caused by the elasticity of the web, which in turn produces variations in torque requirements. Web handling machines face the challenge of handling these loads while avoiding velocity ripple that can cause uneven coating and unsightly horizontal bars across the substrate. As an example, consider film coating, where depositing a dark film onto the substrate material at varying velocity would result in a series of dark and ...Categories: Technical Support - Posted: December 02, 2013
Answer: Some slight differences in their magnetic design.
There are several factors that define the type of motion or motor that is best for an application. Directly driving a shaft is not new technology. Moving slow, smooth and accurate while positioning in fine increments takes the right combination of technology. The selection of a motor, encoder, bearing system, and motor controller all contribute to the end result.
Motors that are designed for direct...
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