The LCR16 from SMAC Moving Coil Actuators provides precision Z-theta motion within one small actuator, which is suitable for pick, orient and place applications. A wide variety of LCR16 linear rotary actuators are available with either direct drive or gearbox equipped rotary units. The vacuum-built-in shaft through the rotary motor is available for some models […]
New piezo driver with 1,200 W of power for fast switching applications
PI (Physik Instrumente) has released the new model E-619, a high-power piezo amplifier designed to drive high-capacitance multilayer piezo actuators with rapid rise times or high frequencies. As a special form of electro-ceramics, piezo materials are the gold standard when it comes to speed, force, and precision in a small package. Providing sink/source currents up […]
Moving coil technology: Benefits today (and innovations on horizon)
Moving coils have been around for many years. Now though, market pressures are causing the technology to rapidly evolve and gain in use. This technology competes most directly against pneumatic drives and moving-magnet rotary motors. By Ed Neff • President | SMAC Moving Coil Actuators (MCA) Moving coil technology works in both rotary and linear […]
Moticont high-resolution electric cylinders include integrated encoder
SDLM-025-070-01-01 and SDLM-025-070-01-05 direct drive linear motors from Moticont, also known as electric cylinders, have built-in encoders, and feature high acceleration, high speed, high resolution, zero backlash, and zero cogging. These compact direct-drive linear motors with quiet linear plain bearings are just 1.00 in. (25.4 mm) in diameter and 2.75 in (69.9 mm) long. Protected […]
Parker Hannifin high-precision electromechanical solutions at Photonics West 2019
Parker’s Electromechanical and Drives Division will be exhibiting at SPIE Photonics West 2019 in San Francisco, February 5 to 7, 2019. Every year, more than 20,000 attendees come to the world’s largest photonics technologies event to learn about the latest research as well as find the latest devices and systems that use new technologies to […]
When did the most common linear-actuator options come about?
This is the first of several technical notes on the technology known as moving coil actuators. Here we provide a brief history of linear actuators used in automation — and hint at where moving coil actuators are suitable. By Ed Neff • President | SMAC Moving Coil Actuators (MCA) Hydraulic actuators came first. These devices […]
Enclosed PHD Plus Series ESU electric-belt-driven base slides
PHD Inc. now sells PHD Plus Series ESU electric-belt-driven base slides. The Series ESU Electric Belt-Driven Base Slides feature a robust, enclosed design with a high capacity rail bearing system delivering exceptional moment and load capability. Available in three sizes, with travels lengths up to 5,500 mm and speeds to 5,000 mm/s, these electric base […]
Dunkermotoren launches compact linear motor with double peak force
With the SA/SC 38 series, Dunkermotoren presents a new modular concept for tubular linear direct drives. The highly dynamic three-phase linear motors deliver up to 3,690 N and accelerate at over 200 m/sec2. The modular design is currently available as actuator version SA (with maintenance-free plain bearing system) and component version SC (for modules). If […]
How to size a rack and pinion drive
In linear motion applications, ball screws are widely recognized for their ability to provide high thrust forces, while linear motors are gaining market share in high-speed applications, and belt drives continue to maintain their reputation as the best solution for long travel lengths. But rack and pinion drives are the often-overlooked workhorses behind gantry and […]
What are walking piezo motors?
Piezo motors that produce linear motion include linear ultrasonic piezo motors, linear stepper piezo motors, and piezo inertia motors. Although their construction and principles of operation are different, all three designs harness the inverse piezoelectric effect — in which a piezo material expands or contracts when electrical energy is applied — to produce linear movement in a […]
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