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 […]
High bus voltage stepper drives and motors from AutomationDirect
AutomationDirect has added a high voltage ac drive and compatible high torque motors to its stepping system motion control product offering. The ac stepper drive is powered from 90 to 240 Vac and is intended for use with step motors designed to handle a high bus voltage of 340 Vdc. MTRAC motors are specially designed […]
More than one million MDrive integrated motors sold
More than 1 million MDrive integrated motors have sold since 2001 when they revolutionized motion system design by replacing multiple separate components with one compact all-in-one motor and electronics package. MDrive products pioneered the marriage of motor and electronic components all in one compact package, leading to the birth of today’s motion industry staple — […]
Pedal electric cycles (pedelecs) employ FAULHABER electric motors
In many parts of the world, bicycles are central to the culture — both for recreation and practical transportation for everyday tasks such as shopping or commuting to and from work. Efforts to reduce CO2 emissions, concerns about climate change, and rising fossil-fuel costs in many areas (along with congested roadways) have only spurred more […]
MOONS project astronomers use motion technology from FAULHABER
When it comes to exploring our disc-shaped spiral galaxy, astronomers have a fundamental problem: Earth is located on the disc of the Milky Way, which obstructs the view of the galaxy’s center (and its other side) with countless stars. So determining where on the disc other celestial bodies are located is difficult to impossible from […]
What is a DC bus choke and why is it used?
In a recent post, we looked at motor chokes — inductive devices installed between a drive and motor — and why they’re used in servo systems and variable frequency drives. But in variable frequency drives (VFDs), inductors can also be placed after the drive’s input diodes, between the input rectifier and the DC bus link. […]
What is a motor choke and why is it used?
A choke is a passive device that adds inductance to a circuit. Inductance is a property of a coil of wire that resists any change to the current flowing through it. (Straight wires also possess a small amount of inductance.) In other words, if current through the coil increases, the magnetic field of the coil […]
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