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Servo Motors

Low-profile kit-style limited angle torque motor

July 19, 2021 By Danielle Collins Leave a Comment

The TMR-075-16-001-2 limited angle torque motor utilizes a toroidally wound, stationary coil assembly with a two-pole permanent magnet rotor to generate torque. The rare earth permanent magnet rotor always has an even number of poles, with two to six poles. The maximum angular excursion with a two-pole rotor is 180º, but the torque will drop […]

Filed Under: Industry News, Servo Motors

How to calculate continuous and peak torque values for servo applications

July 12, 2021 By Danielle Collins Leave a Comment

One of the most important tools for sizing a servo motor is the motor’s torque-speed curve, which shows the combinations of torque and speed that the motor can produce in two operating zones — continuous operation and peak, or intermittent, operation. To prevent thermal overload of the motor — and the drive — it’s important to […]

Filed Under: FAQs + basics, Featured, Servo Motors

Servo motors with high accuracy, smoothness of motion for automated precision processes

June 22, 2021 By Miles Budimir Leave a Comment

servo motors

PRHD2 high-performance permanent magnet synchronous servo motors from Servotronix Motion Control are suitable for automated precision processes such as robotic manufacturing, machine tooling, and electronics assembly. The PRHD2 combines excellent dynamics and torque accuracy with a compact design and high-power density. The electromechanical design of the PRHD2 servo motors features low speed and torque ripple, […]

Filed Under: Motors, Servo Motors

New family of servo systems from AutomationDirect

June 1, 2021 By Miles Budimir Leave a Comment

servo

SureServo2 servo systems, built from motor, drive, I/O breakout module, and cable set components, are now available from AutomationDirect. The SureServo2 offering includes high-powered systems (up to 15 kW), wide input power options (110 Vac or 220 Vac in single or three phase), and a host of additional hardware and software features. The built-in motion […]

Filed Under: Drives + Supplies, Motors, Servo Drives, Servo Motors Tagged With: AutomationDirect

What are eddy currents and how do they affect motor performance?

April 29, 2021 By Danielle Collins Leave a Comment

eddy currents

One of the electromagnetic principles that governs the operation of an electric motor is Faraday’s law, which states that when the magnetic environment of a coil of wire is changed — whether by moving the magnet and coil relative to each other or by changing the magnetic field — a voltage, or electromotive force (EMF), will […]

Filed Under: AC Motors, Brushless Motors, DC Motors, FAQs + basics, Featured, Motors, Servo Motors, Stepper Motors

Robotic bartender powered by Arduino-compatible controller and BLDC servo motors

April 15, 2021 By Kelsey Zebrowski Leave a Comment

Teknic’s Robotic Bartender uses one of Teknic’s new ClearCore controllers (Arduino compatible) and six ClearPath integrated servo motors. A small team of engineers were challenged to demonstrate the flexibility and power of the new controller. They came up with a robotic bartender that lets you order one of 130,000 possible drink combinations for the perfect […]

Filed Under: I/O, Servo Motors Tagged With: teknic

Teknic’s Hudson industrial brushless servo motors now available online

March 19, 2021 By Kelsey Zebrowski Leave a Comment

Teknic’s Hudson industrial grade brushless servo motors have been used by high volume OEM companies for over a decade. These rugged, reliable motors have powered automated equipment in a variety of markets including medical, AOI, and CNC equipment, just to name a few. These field-hardened, OEM-grade motors are now available online in both fast-ship and […]

Filed Under: Brushless Motors, Servo Motors Tagged With: teknic

What is field weakening and how does it affect servo motor performance?

January 28, 2021 By Danielle Collins Leave a Comment

Although servo systems can very precisely control motor speed, position, and torque, in some applications, the motor may not be able to reach the commanded velocity due to limits in the available bus (supply) voltage from the drive. But advanced servo drives offer a technique referred to as field weakening, which alters the motor’s torque-speed […]

Filed Under: AC Motors, FAQs + basics, Featured, Servo Drives, Servo Motors

What is friction compensation in servo control?

January 19, 2021 By Danielle Collins Leave a Comment

Friction, which is the resistance to relative motion between two bodies, occurs in all sliding and rolling motions. In components that use lubrication to separate rolling or sliding surfaces — such as bearings and gears — there are typically two types of friction: static friction and dynamic friction. Static friction — also referred to as “stiction” […]

Filed Under: FAQs + basics, Featured, Servo Drives, Servo Motors, Software

What is dual-loop control for servo systems and when is it used?

January 15, 2021 By Danielle Collins Leave a Comment

In servo-driven systems, feedback for position, velocity, and/or torque control is typically provided by a rotary encoder or resolver mounted to the motor. But mechanical components and connections in the drivetrain — such as gearboxes, ball screws, and couplings — are not perfectly rigid and introduce backlash, compliance, and windup into the system. This lack […]

Filed Under: Controls, Encoders, FAQs + basics, Featured, Servo Motors

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