June 15, 2021 Volume 17 Issue 23

Motion Control News & Products

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What are piezoelectric active shims?

Active shims, such as PIRest from Physik Instrumente, can readjust the gap between two components in a machine at any time with nanometer precision. Due to the piezo element's high resolution down to the nanometer range, active shims cover applications in classical mechanical precision engineering, as well as the alignment of optical components in astronomy, semiconductor manufacturing, and in materials research employing beam-line instrumentation.
Read the full article.


Integrated motor/actuator replaces hydraulics

Curtiss-Wright's Actuation Division has just released its newest integrated motor/actuator, the Exlar GTX060. This is the third frame size in the GTX series of industrial electromechanical actuators. The GTX Series offers force, precision, and repeatability while eliminating or minimizing the maintenance and inefficiencies typical of fluid power alternatives. With continuous force ratings up to 2,668 N (600 lbf) and speeds to 1,016 mm/sec (40 in./sec) in both VAC and VDC power options, the GTX060's compact form can be applied across a wide range of automation applications.
Learn more.


Critical medical applications demand top-quality motion

Surgical robotics systems offer an overwhelming advantage over traditional methods: improved precision and speed, faster patient healing, and a reduced margin of error. For minimally invasive procedures requiring this level of precision, performance, and reliability, the engineers of surgical robotics systems depend on FAULHABER motion systems.
Read the full article.


Pick, measure, and sort small parts with one robotic workstation

New Scale Robotics has introduced its Q-Span Automated Small-Part Measurement Systems for quality control (QC) teams in high-mix, small-batch manufacturing environments. Q-Span Systems combine robotic pick-and-place with automated measurement of small parts. They easily integrate into existing workflows in the QC lab or on the production floor, and automate the tedious manual process of measuring parts with digital calipers.
Learn more.


Universal Robots develops interface for Siemens engineering portal

Integrating Universal Robots' collaborative robots into complex machines and manufacturing environments will soon be a process machine builders and systems integrators can handle seamlessly through one of the world's leading automation platforms: Siemens' TIA (Totally Integrated Automation) portal.
Read the full article.


Voice coil stages and actuators for precise motion

Because of their small dimensions, voice coil motors are often integrated in compact stages, actuators, and fast tip/tilt mirror platforms. These devices are driven by an electromagnetic motor consisting of a moving coil winding and a fixed magnet (the opposite is also possible). By precisely controlling the electric current in the coil, the magnetic force (Lorenz force) -- and thus, acceleration, velocity, and position -- can be varied very accurately.
Learn all about voice coil stages and actuators from PI.


Compact, low-noise gearboxes for high loads

With the GP56-N series, the Nanotec product line now also includes low-noise planetary gearboxes for brushless DC motors and stepper motors with flange size 56 and 60 mm. They are ideally suited for applications in medical devices and building automation. The helical toothing allows the teeth to mesh gradually, which results in a smoother transmission of forces so that vibrations and noise are reduced. Planetary gears and the ring gear consist of a high-quality, low-wear plastic, making the new gearboxes quieter than conventional, straight-geared metal gearboxes. Available in one- and two-stage versions in nine different reductions and varying output torques.
Learn more.


Gearless speed reducers with traction drive tech

Stock Drive Products / Sterling Instrument (SDP/SI) has introduced new speed reducers with traction drive technology. Featuring a gearless drive, these speed reducers are highly efficient and feature only six moving parts. They use engineered traction fluid to cool and lubricate, and they generate less heat than conventional drives. Years of development and testing have been invested in this new technology, resulting in a product featuring infinite ratios up to a ratio of 5:1, dramatic reduction of motor torque ripple, low vibration and noise level, and significantly less maintenance than a conventional gearbox.
Learn more.


Exploring Mars with miniature motors

When developing the high-resolution Panoramic Camera on the ExoMars Rover, engineers looked for motors that were extremely compact and could also deliver reliable and precise positioning for the camera-focusing mechanism. FAULHABER Stepper motors were selected for the job, as they precisely position objects with a resolution of 1280 steps per revolution without the need for a separate feedback system, and are more rugged and sturdy than conventional servo motors.
Read the full article.


MAHLE developing highly efficient magnet-free motor for electric vehicles

German automotive industry supplier MAHLE is currently developing a new, highly efficient magnet-free electric motor that does not require rare-earth elements and costs less to produce. The company says the motor's efficiency level has only been achieved by Formula E racing cars so far.
Read the full article.


Distributed drive system designed for conveyor applications

With its new Sinamics G115D, Siemens is introducing a compact and powerful drive system specifically designed for horizontal conveyor applications. The IP-rated system comprises the motor, drive, and gearbox in one unit and is offered in two versions: wall mounted and motor mounted. It is suitable for applications in intra-logistics and airports, as well as in the automotive and food and beverage industries.
Learn more.


FANUC tabletop robot now in 10 model variations

FANUC America has just introduced the LR Mate 200iD/14L, the 10th model variation of its popular LR Mate series of tabletop industrial robots. Since the LR Mate series was launched nearly 30 years ago, it has become one of FANUC's biggest sellers, with over 70,000 units installed across the globe. The LR Mate 200iD/14L allows the highest payload of the LR Mate series, handling parts weighing up to 14 kg in the automotive, e-commerce and warehousing, food and beverage, medical device, pharmaceutical, and many other industries.
Find the right LR Mate for your application.


Boost productivity with OnRobot's all-electric VGC10 vacuum gripper

OnRobot's versatile VGC10 vacuum gripper enabled Sydney, Australia-based injection molding experts Designed Mouldings to boost productivity and reduce cycle times through automation of key assembly processes. The low-cost, all-electric VGC10 easily completes 20,000 product runs in 24 hours -- three times faster than manual labor -- freeing workers to focus on higher value tasks. And with no external air supply to worry about, the VGC10 supported easy deployment with excellent results.
Learn how.


Neat. Guide any major industrial robot easily with Robeye visual guidance system

Recognition Robotics offers its complete Robeye visual guidance system that includes all the components needed to guide any major industrial robot. This industry-proven technology with potential for hundreds of applications is currently running production in multiple automotive OEMs. Benefits include quick-and-easy setup, simplified line feeding (for things like pre-centering tooling, conveyors, high-precision racks and rack stands), reduced production time, increased flexibility, and no CAD data or calibration required for new tasks. Just connect, teach, and recognize -- all in less than five minutes. The Robeye Espresso Starter Kit includes everything you need to get underway.
Learn more about the system.
Learn about Robeye in De-racking Applications.


Mini brushless DC motor with integrated driver

Portescap's new 22ECP miniature brushless DC motor includes an integrated driver to optimize motor performance and simplify installation. The 22-mm-diameter motor is just 35 mm in length and delivers 50% more continuous torque than comparable brushless slotless mini motors -- without compromising smoothness of operation or motor lifespan. It's a high-performance, economic two-pole motor designed to deliver a balance between speed and torque. Applications include respiratory and ventilation devices, infusion pumps, mini industrial pumps, medical hand tools, clinical diagnostics, and valve actuation.
Learn more.


NASA developing autonomous software to save small aircraft from crashing

By Teresa Whiting, NASA Armstrong Flight Research Center

NASA's Resilient Autonomy activity is developing autonomous software for potential use in aircraft ranging from general aviation retrofit to future autonomous flyers. This Joint Capability Technology Demonstration activity is in partnership with the Federal Aviation Administration and the Department of Defense.

The software stems from the Automatic Ground Collision Avoidance System (Auto GCAS), initially developed by NASA, that has saved the lives of 11 F-16 pilots.

The Auto GCAS system takes control of an aircraft from the pilot at the last possible moment to avoid an imminent ground collision. For this activity, the team modified the algorithms of the F-16 GCAS and the Automatic Collision Avoidance Systems and rebranded them to indicate an improved functionality suitable for non-fighter aircraft.

This screenshot taken from a new simulator shows a pilot flying a Cessna 172SP aircraft in the Sierra Nevada mountains. The Improved Automatic Ground Collision Avoidance System display is shown on the right activating because of severe downdraft winds. [Credits: NASA/Mark Skoog]

 

 

 

 

This new version of the software can be used in smaller aircraft like Cessnas and future remotely piloted or autonomous aircraft.

This simulator footage shows iGCAS, or improved GCAS, save a small aircraft from diving into a canyon, into the side of a mountain, or into the ground. The full version of the system the team is working on spans a wide range of autonomy and is called the Expandable Variable Autonomy Architecture (EVAA), which will eventually include more autonomous elements for increased safety on a range of aircraft.


VIDEO: Autonomous software saves aircraft in NASA simulator footage. [Credit: NASA Armstrong Flight Research Center]

Published June 2021

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