SMAC now sells voice coil actuators that include differential features to satisfy OEM requirements … actuators that allow drop-in replacement of existing motion technologies having the same form, fit, and function. This design process is called MCA Inside and has been key in helping OEMs with an install base or an existing design to solve […]
Low-power voice-coil actuator for cryogenic environments
H2W Technologies’ new high-force, non-commutated dc linear actuator, otherwise known as a direct-drive voice-coil actuator, is designed specifically for use in cryogenic environments. Material choice and design parameters were implemented such that the motor can operate without degradation or damage when placed in a cryogenic environment. The model NCC14-78-830-1SM can generate a continuous force of […]
Physik Instrumente XY stage provides high speed and 10-nm resolution
Precision motion specialist Physik Instrumente (PI) now sells a new integrated XY stage — part of its compact high-speed positioning stage roster. All of these positioning stages are powered by ultrasonic piezo-linear motors — patented motors that deliver smooth motion, high resolution and rapid step and settle response. Also featured on the motors is a […]
SMAC single-axis servo controller starting at $200
SMAC Moving Coil Actuators has announced release of their next generation Very Low Cost (VLC) single axis DC brushed/brushless motor controller/driver. With a price of $250 for stand-alone ($200 for built in types) the VLC represents another 35% drop in price compared to many of the company’s previous controllers … and with no loss in […]
Electric actuators displace other motion options — including manual designs: A Motion Trends report
Today, electric actuators are easier than ever to specify and install. Value-add services from component suppliers as well as application-specific actuator product lines (especially for battery-powered designs in mobile equipment and consumer use) eliminate many integration tasks for OEMs and end users. These are trends supported in part by a movement Design World has tracked […]
New linear rotary actuator features 35-mm stroke with 5-micron encoder
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 […]
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 […]
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