February 19, 2019 Volume 15 Issue 07

Motion Control News & Products

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New Exlar food-grade actuator

Curtiss-Wright's Actuation Division has expanded its Exlar line with hygienic electric actuators using FDA-approved materials and finishes. Designed for food, beverage, packaging, and pharmaceutical automation, the new GTF unit enables economical USDA, 3-A, BISSC, and EHEDG certification. Its IP69K washdown option, inverted roller screw, and compact servo-driven design deliver reliable, high-performance motion for hygienic machinery.
Learn more.


New Texas conveyor system is 42 miles long!

SEW-EURODRIVE is helping power one of the most ambitious bulk material handling projects in North America through its contribution to the Dune Express conveyor system, a record-setting 42-mile single-flight conveyor across the Permian Basin.
Read the full article.


Compact servo drives for harsh environs

Built on Copley's proven NanoPlus platform, the compact, 1.2-oz R-Series Nano servo drives withstand extreme temperatures, vibration, shock, and humidity. Available in R47 (CANopen) and R48 (EtherCAT) models, they suit space-constrained, harsh environments such as mil/aero robotics and gimbals. This commercial off-the-shelf series provides a hardened option without defense-specific development lead times.
Learn more from Copley Controls.


Hybrid actuator with force up to 14,726 lb

Kyntronics' new all-electric HyCore hybrid actuator is a compact, low-cost alternative to traditional hydraulic, pneumatic, and electro-mechanical systems. Engineered for OEMs, it delivers up to 14,726 lb of force. The self-contained design eliminates leaks and wear, providing precise control, shock-load tolerance, and high efficiency. It simplifies integration and lowers operating costs for mobile equipment, packaging, assembly automation, and more.
Learn more.


SDP/SI motion products: Best sellers

SDP/SI's best sellers aren't just popular -- they're proven. These are the motion components their customers return to time and again for precision, reliability, and unbeatable value. From belts and pulleys to gears, bearings, and couplings, each product has earned its place through consistent performance in real-world applications.
Learn more and see the full products list.


Automated part grinding and finishing in one unit!

Grinding large fabrications is a classic dull, dirty, and dangerous task perfectly suited for automation, yet traditional setups require multiple costly robots. At Automate 2026, Güdel debuted a single-robot solution that utilizes two extra degrees of freedom to finish massive surfaces without complex part repositioning.
Read the full article.


Rockford RBS ball screws and nuts now available

Automation-Direct now offers US-manufactured RBS ball screws and nuts for precise linear motion in OEM and maintenance applications. Achieving over 90% efficiency, they feature low friction, high accuracy, and minimal wear. Available in various diameters, lengths, and leads, these precision-matched components handle axial loads with minimal backlash, providing a dependable solution that reduces maintenance and extends operational life. Great prices too.
Learn more.


Next-gen conveyor transports 3,000-kg payloads

Building on its established portfolio of twin-strand conveyors that are currently used in a variety of industry verticals, Bosch Rexroth is introducing the TS 7plus transfer system, which is the world's first freely configurable, fully electric conveyance solution to workpieces weighing up to 3,000 kg. TS 7plus transports material via conveyor rollers on freely configurable modular sections with lift/transverse, rotary, and positioning units, as well as stop gates. Great for automotive, battery, aerospace/defense, and more.
Learn more.


Next-generation air bearing linear slide

The A-123 noncontact nanoposi-tioning stage integrates a brushless motor, air bearings, and a 1-nm encoder, supporting 40-kg payloads over 750-mm travel. Its pressurized air film eliminates the friction, wear, and vibration of mechanical stages, ensuring zero particle generation. Customizable with options such as granite bases and isolation systems, it is ideal for semiconductor metrology, inspection, photonics, and more.
Learn more.


How to implement redundancy in stepper motors

Some of the recent research activities in the area of electric motor drives for safety-critical applications (such as aerospace and nuclear power plants) are focused on looking at various fault-tolerant motor and drive topologies. After discussing different solutions, this article focuses on a miniature permanent magnet (PM) stepper motor design that provides increased redundancy.
Read this informative FAULHABER article.


Teradyne Robotics unveils a multitude of deployable AI applications at Automate 2026

Teradyne Robotics, the company behind Universal Robots (UR) and Mobile Industrial Robots (MiR), will demonstrate how physical AI is transforming industrial automation at Automate 2026 in Chicago, June 22-25 at booth #1250. The demos presented are real, deployable, and ready for purchase. They include assembly, pick-and-place, palletizing, mobile robots, and more. A lot of good new offerings here. Check it out.
Read the full article.


Affordable nanometer-level precision focus stage

Zaber Technologies has launched the DMA Objective Focus Stage, a compact, linear motor solution for microscope OEMs. Starting at $4,500 with an integrated controller, it offers 50-nm repeatability and sub-15-ms settling times -- matching piezo precision at one-third the cost. Featuring plug-and-play architecture, a developer-friendly API, and a tiny footprint, it accelerates high-throughput workflows like spatial biology and digital pathology.
Learn more.


How Ford automated a moving EV assembly line with vision-guided robots: Inbolt case study

Automating moving assembly lines is highly challenging. At Ford's Cologne Electric Vehicle Center in Germany, applying pressure to water shields on vehicle bodies required following a precise path on unsynchronized, continuously moving vehicle carriers. To automate this, Ford deployed two Universal Robots cobots equipped with Inbolt 3D cameras. Using real-time vision guidance, the robots track vehicle positions and adapt on the fly. The result? Near-zero repairs, reliable moving-line automation, and new possibilities for tasks like tightening operations.
View the video.


Inbolt launches vision-enabled Robot Programming, closing the loop from CAD to factory floor

Inbolt is launching two new capabilities that complete the company's AI Vision Model for robot guidance at Automate 2026 in Chicago, June 22-25. With Robot Programming and Robot Control, Inbolt covers the full path from virtual commissioning to adaptive robot motion control, for stationary and moving-line applications. It's one platform from perception to motion -- on the robots manufacturers already own.
Read the full article.


Top Tech Tip: How to specify electric rod-style actuators for optimal performance, reliability, and efficiency

The engineers at Tolomatic provide their Top 10 Tips for specifying electric rod-style actuators, which have a higher initial cost, more advanced design, and more predictable performance compared to fluid power cylinders. This is a really thorough presentation filled with useful information.
Read the full article.


Thanks for the Opportunity: NASA's record-setting rover mission on Mars ends

One of the most successful and enduring feats of interplanetary exploration, NASA's Opportunity rover mission, is at an end after almost 15 years exploring the surface of Mars and helping lay the groundwork for NASA's return to the Red Planet.

The Opportunity rover stopped communicating with Earth when a severe Mars-wide dust storm blanketed its location in June 2018. After more than a thousand commands to restore contact, engineers in the Space Flight Operations Facility at NASA's Jet Propulsion Laboratory (JPL) made their last attempt to revive Opportunity Tuesday, Feb. 12, to no avail. The solar-powered rover's final communication was received June 10, 2018.

"It is because of trailblazing missions such as Opportunity that there will come a day when our brave astronauts walk on the surface of Mars," said NASA Administrator Jim Bridenstine. "And when that day arrives, some portion of that first footprint will be owned by the men and women of Opportunity, and a little rover that defied the odds and did so much in the name of exploration."

Designed to last just 90 Martian days and travel 1,100 yd (1,000 m), Opportunity vastly surpassed all expectations in its endurance, scientific value, and longevity. In addition to exceeding its life expectancy by 60 times, the rover traveled more than 28 miles (45 km) by the time it reached its final resting spot on Mars' Perseverance Valley.

"For more than a decade, Opportunity has been an icon in the field of planetary exploration, teaching us about Mars' ancient past as a wet, potentially habitable planet, and revealing uncharted Martian landscapes," said Thomas Zurbuchen, associate administrator for NASA's Science Mission Directorate. "Whatever loss we feel now must be tempered with the knowledge that the legacy of Opportunity continues -- both on the surface of Mars with the Curiosity rover and InSight lander -- and in the clean rooms of JPL, where the upcoming Mars 2020 rover is taking shape."

This dramatic image of NASA's Mars Exploration Rover Opportunity's shadow was taken on sol 180 (July 26, 2004) by the rover's front hazard-avoidance camera as the rover moved farther into Endurance Crater in the Meridiani Planum region of Mars. [Credits: NASA/JPL-Caltech]

 

 

 

 

The final transmission, sent via the 70-m Mars Station antenna at NASA's Goldstone Deep Space Complex in California, ended a multifaceted, eight-month recovery strategy in an attempt to compel the rover to communicate.

"We have made every reasonable engineering effort to try to recover Opportunity and have determined that the likelihood of receiving a signal is far too low to continue recovery efforts," said John Callas, manager of the Mars Exploration Rover (MER) project at JPL.

Opportunity landed in the Meridiani Planum region of Mars on Jan. 24, 2004, seven months after its launch from Cape Canaveral Air Force Station in Florida. Its twin rover, Spirit, landed 20 days earlier in the 103-mile-wide (166-km-wide) Gusev Crater on the other side of Mars. Spirit logged almost 5 miles (8 km) before its mission wrapped up in May 2011.

In this navigation camera raw image, NASA's Opportunity Rover looks back over its own tracks on Aug. 4, 2010. [Credit: NASA/JPL-Caltech]

 

 

 

 

From the day Opportunity landed, a team of mission engineers, rover drivers, and scientists on Earth collaborated to overcome challenges and get the rover from one geologic site on Mars to the next. They plotted workable avenues over rugged terrain so that the 384-lb (174-kg) Martian explorer could maneuver around and, at times, over rocks and boulders, climb gravel-strewn slopes as steep as 32 degrees (an off-Earth record), probe crater floors, summit hills, and traverse possible dry riverbeds. Its final venture brought it to the western limb of Perseverance Valley.

"I cannot think of a more appropriate place for Opportunity to endure on the surface of Mars than one called Perseverance Valley," said Michael Watkins, director of JPL. "The records, discoveries, and sheer tenacity of this intrepid little rover is testament to the ingenuity, dedication, and perseverance of the people who built and guided her."

More Opportunity Achievements:

  • Set a one-day Mars driving record March 20, 2005, when it traveled 721 ft (220 m).
  • Returned more than 217,000 images, including 15 360-degree color panoramas.
  • Exposed the surfaces of 52 rocks to reveal fresh mineral surfaces for analysis and cleared 72 additional targets with a brush to prepare them for inspection with spectrometers and a microscopic imager.
  • Found hematite, a mineral that forms in water, at its landing site.
  • Discovered strong indications at Endeavour Crater of the action of ancient water similar to the drinkable water of a pond or lake on Earth.

All of the off-roading and on-location scientific analyses were in service of the Mars Exploration Rovers' primary objective: To seek out historical evidence of the Red Planet's climate and water at sites where conditions may once have been favorable for life. Because liquid water is required for life, as we know it, Opportunity's discoveries implied that conditions at Meridiani Planum may have been habitable for some period of time in Martian history.


VIDEO: Drive along with the NASA's Opportunity Mars rover and hear the voices of scientists and engineers behind the mission. Designed to run for 90 days, the exploration spanned almost 15 years. Along the way, it discovered definitive proof of liquid water on ancient Mars and set the off-world driving record.

"From the get-go, Opportunity delivered on our search for evidence regarding water," said Steve Squyres, principal investigator of the rovers' science payload at Cornell University. "And when you combine the discoveries of Opportunity and Spirit, they showed us that ancient Mars was a very different place from Mars today, which is a cold, dry, desolate world. But if you look to its ancient past, you find compelling evidence for liquid water below the surface and liquid water at the surface."

All those accomplishments were not without the occasional extraterrestrial impediment. In 2005 alone, Opportunity lost steering to one of its front wheels, a stuck heater threatened to severely limit the rover's available power, and a Martian sand ripple almost trapped it for good. Two years later, a two-month dust storm imperiled the rover before relenting. In 2015, Opportunity lost use of its 256-MB flash memory and, in 2017, it lost steering to its other front wheel.

Each time the rover faced an obstacle, Opportunity's team on Earth found and implemented a solution that enabled the rover to bounce back. However, the massive dust storm that took shape in the summer of 2018 proved too much.

"When I think of Opportunity, I will recall that place on Mars where our intrepid rover far exceeded everyone's expectations," Callas said. "But what I suppose I'll cherish most is the impact Opportunity had on us here on Earth. It's the accomplished exploration and phenomenal discoveries. It's the generation of young scientists and engineers who became space explorers with this mission. It's the public that followed along with our every step. And it's the technical legacy of the Mars Exploration Rovers, which is carried aboard Curiosity and the upcoming Mars 2020 mission. Farewell, Opportunity, and well done."

Mars exploration continues unabated. NASA's InSight lander, which touched down on Nov. 26, is just beginning its scientific investigations. The Curiosity rover has been exploring Gale Crater for more than six years. And NASA's Mars 2020 rover and the European Space Agency's ExoMars rover both will launch in July 2020, becoming the first rover missions designed to seek signs of past microbial life on the Red Planet.

JPL managed the Mars Exploration Rovers Opportunity and Spirit for NASA's Science Mission Directorate in Washington. For more information about the agency's Mars Exploration program, go to www.nasa.gov/mars.

Source: NASA's Jet Propulsion Laboratory

Published February 2019

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