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brushless dc motors
- Posted: September 01, 2015
The maxon academy features several e-Learning modules to help deepen your knowledge on drive technology. We recently introduced a series of How-to Videos that are easy-to-follow tutorials with specific information on topics from motor selection to gears, winding and motor type comparisons. These short videos are perfect for busy engineers that need a quick review on the selection of high-precision drives and systems.
Additional information and technical data is available by contacting sales@electromate.com.
For more on information on maxon, visit
https://www.electromate.com/products/?partner=1072297493... - Posted: March 20, 2015
Service robots for the disabled must be reliable, safe and easy to use. The right motion system components are essential for these highly specific applications.
Unlike industrial robots for manufacturing, service robots come with their own specification requirements aimed specifically at the end user, and the most discriminating user at that—a human being. That’s why designing and manufacturing service robots takes a particular set of skills and engineering expertise. For example, when Canada-based Kinova Robotics creates designs for this market, the design team brings years of experience in the field. And although they’ve modified the robots over the years, as new products and systems become readily available, they can produce higher quality and more useable products. Using the latest technologies allows the designers to continue to advance offerings to the public.
The company’s Jaco2 Robotic Arm provides a lightweight, quiet and easily controlled device to the service...
Categories: Product Announcements - Posted: August 12, 2013
Often overlooked when sizing DC motors is the Speed-Torque Gradient.
The Speed-Torque Gradeint is defined as Δn / ΔM [rpm/mNm] .
The speed / torque gradient is an indicator of a motor’s performance. The smaller the value, the more powerful the motor and consequently the less motor speed varies with load variations. It is based on the quotient of ideal no-load speed and ideal stall torque.
The speed torque-gradient can be considered a measure of the motor strength, which is defined by motor type and size and not the winding selected. Basically it’s how much speed drop the motor will have for each 1mNm of torque applied.
In the figure below, enhancing the load torque leads to a linear reduction of the speed. Thus it becomes clear what the meaning of Δn/ΔM is: It’s the gradient of the speed-torque line.
...Categories: Technical Support