The new patented SDLM-019-070-01-01 direct-drive linear motor with integrated position and temperature sensors is the latest addition to the series of zero backlash, zero cogging, high acceleration, high speed, high resolution, long life motors from Moticont. Also known as an electric cylinder, this compact direct-drive linear motor is just 0.75 in. (19.1 mm) in diameter […]
What function do thermistors and KTY sensors serve in motors and gearmotors?
One of the most important operating parameters of motor and gearmotor operation is the temperature of the motor windings. Motor heating is caused by mechanical, electrical, and copper losses, as well as heat transferred to the motor from external sources, including the ambient temperature and surrounding equipment. If the temperature of the motor windings surpasses the […]
What is an equivalent circuit and how is it used?
When analyzing electrical circuits — including those for AC induction motors and DC motors — if the circuit contains two or more of the same passive elements (such as resistors) and is wired exclusively in series or exclusively in parallel, the circuit can be drawn with a simpler representation that contains the voltage source and a […]
New matched motor-drive motion system from Kollmorgen
Kollmorgen’s new 2G Motion System is a servo solution based on the latest thinking about single-source, systems-based design. The 2G Motion System was designed specifically to harness the performance capabilities of Kollmorgen’s AKD2G servo drive and AKM2G servo motor. Motor and drive are precisely matched in every element (e.g. drive switching frequency, commutation algorithms, motor […]
Selecting miniature motors for surgical devices
By Keith Halbert, PhD • Portescap || Device makers and surgeons have for decades relied on sterilizable brushless direct current (BLDC) motors to meet the torque, speed, and reliability requirements of surgical handtools. Now surgical robotics are leveraging these same capabilities. Today’s surgical robotics and robotically-assisted surgical devices often require BLDC motors to meet demanding […]
FAULHABER debuts integrated encoder for flat motors
The BXT motor family from FAULHABER, comprising brushless dc motors with especially short design, was expanded with the diameter-complaint IEF3-4096 magnetic encoder. With just 6.2 mm of additional length, the motor/encoder units also remain extremely short. In addition, the encoder is fully integrated in the robust motorhousing. In this flat design, the IEF3-4096 offers three […]
Motion system design: Can a servo-driven machine be too stiff?
When we think of stiffness, we often think of mechanical stiffness — the ability of a part or system to resist deflection. But in servo-driven motion systems, stiffness can also refer to how the system is tuned — that is, how the gains in the servo controller are set and, correspondingly, how the motor responds […]
IP65-rated step motors for wet, dusty industrial factory environments
Applied Motion Products offers an extended line of stepper motors with IP65 ratings that are dustproof and resistant to water pressure impact, making them suitable for use in wet and dusty applications. Using advanced seal protection technology, the IP65-rated step motors feature sealed laminations, an oil shaft seal, internal corrosion-resistant film coating, gaskets for mechanical […]
Automation Libraries simplify Lexium MDrive controller integration
Three (3) Automation Libraries are now available to simplify interfacing Lexium MDrive integrated motors with commonly available PACs and PLCs from Siemens, Rockwell, and Schneider Electric. The library add-on instructions (AOI) for motion control are available to download for free here. AOIs reduce the work of writing software programs to execute move profiles such as: […]
New outer-rotor brushless motor features high power density
Allied Motion Technologies has released the new KinetiMax High Power Density (HPD) motor series. The outer-rotor brushless motor is designed for high-torque, low-cogging applications like robotics, AGVs, and handheld power tools. An efficiency rating of over 85% coupled with a high power-to-weight ratio makes it an ideal motor for any application where weight and battery […]
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