June 07, 2022 Volume 18 Issue 21

Motion Control News & Products

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Brushless slotted flat motor weighs only 15 grams

The 20ECF brushless slotted flat motor is the latest motor to join Portescap's flat motor line. The motor's 19-mm rotor diameter is notably smaller than the 20-mm diameter of competitive solutions. At 15 grams, the 20ECF provides a mass savings of at least 30% when compared to competing motion solutions. The motor's design optimization also helps it achieve a 50% improved motor regulation factor relative to standard available solutions. Applications include surgical and service robotics, lab automation, premium tattoo machines, electric grippers, LiDar, and pumps.
Learn more.


Efficient, reliable and flexible robot gripper optimizes machine tending operations

To continuously deliver high-quality results to its customers, WEFAG AG not only invested in new CNC machines, but also deployed a collaborative application with the 3FG15 gripper from OnRobot to tend the CNC machines. This makes it possible for the Swiss family-owned company to meet extremely short delivery times and smaller batch sizes confidently, while also reducing the workload of employees, who can now focus on more demanding tasks.
Watch how the 3FG15 delivered an ROI in 2 months.
Learn more: How to automate machine tending.


Differences between types of multi-axis positioning stages -- parallel vs. stacked

According to the experts at PI (Physik Instrumente), stacking individual motorized stages is a fine approach for assemblies of just a few axes, but as applications become more complex a 6-axis stage design based on parallel kinematics could be the best option. Learn about stiffness, inconsistent dynamics, size and weight fragility, and even cabling considerations for multi-axis applications. Lots of good info here.
Read this informative PI blog.


Universal Robots' new UR20 Cobot makes its U.S. debut at IMTS 2022

Attendees at North America's leading machine tool show (IMTS) are experiencing how the all-new collaborative, industrial cobot from Universal Robots delivers the longest reach and payload in its class, offering the ability to automate even more hard-to-staff tasks in a market struggling to hire. Also learn about cobot grippers, machine tending, robo welding, and more.
Read the full article.


Miniature voice coil servo motor with 1-micron resolution

The miniature GVCM-016-019-01M Linear Voice Coil Servo Motor from Moticont is smaller in diameter than a dime and features a high force-to-size ratio of 1.5 N (5.3 oz) continuous force and 4.6 N (16.6 oz) of peak force. These brushless mini linear servo motors are clean, quiet, and feature high acceleration/deceleration, high speed, high reliability, and cog-free linear motion. An ideal choice for haptic feedback, pipetting in medical devices, machining and drilling, scanners, laser beam steering, sorting, assembly, and more. Can also be a low-cost replacement for pneumatic linear actuators.
Learn more.


MAHLE claims new EV motor is most durable -- can run indefinitely with high performance

Automotive supplier MAHLE says it has developed "the most durable electric motor available" for electric vehicle (EV) applications. Unique to the market, the traction motor -- with a continuous output of more than 90% of its peak output -- can run indefinitely with high performance thanks to a new cooling concept.
Read the full article.


What are Crossed Roller Bearings?

Learn all about HIWIN Crossed Roller Bearings that are three to four times more rigid than standard bearing solutions and are capable of handling loads in the axial, radial, and moment directions. They consist of an outer ring, an inner ring, and a plurality of rollers and spacers. The roller lies between the inner and outer ring with the spacers placed between the rollers to prevent the mutual friction between them, thereby decreasing the torque resistance for rotation. Many options are available depending on the level of rigidity needed.
Learn more.


Compact electrically controlled hydraulic actuator

Bosch Rexroth has expanded its range of standardized self-contained actuators by adding the CytroMotion system solution. With the help of the new compact actuator, linear movements involving forces up to 110 kN can be achieved in a range of machines and systems in smaller spaces -- more efficiently and more sustainably. These benefits can be seen over the entire life cycle. Thanks to fully electric control, CytroMotion makes engineering and commissioning easier. The efficient, power-on-demand drive and the maintenance-free, hermetically sealed design also minimize operating costs.
Learn more.


Belt-driven actuators for harsh environments

Rollon's newly enhanced Plus System lineup of belt-driven linear actuators can be integrated seamlessly with industrial machines. Combining sturdy construction, protective features (sealed), and high-performance characteristics for load, moment control, speed, and acceleration, the Plus System family features an anodized aluminum structure and steel reinforced driving belt. Three types available: Plus System ELM completely enclosed unit, Plus System ROBOT for multi-axis or SCARA robots, and Plus System SC for vertical motion in gantry applications.
Learn more.


Linear positioning and motion systems at IMTS 2022

SCHNEE-BERGER Linear Technology will spotlight its precision positioning and motion systems at IMTS 2022 in September. On display will be a fully functioning demo of a complete linear motion technology system featuring the company's leading and most innovative linear motion components. When linear tech components are designed to work together to create the most effective solution for machine movement, OEMs can accelerate design and manufacturing, reduce assembly time and labor, and achieve a lower TCO.
Learn more.


Micro-sized FlexPro servo drive

ADVANCED Motion Controls' new 60-A continuous FlexPro servo drive model FM060-60C-RM is the third "machine embedded" version in this power range, adding RS-485/232 communication to the previously released EtherCAT and CANopen versions. This drive can operate at its 60-A peak rating continuously with no need for current foldback -- impressive because the micro-package size means up to four units can fit within the footprint of a business card. Applications include cobots, AMRs, AGVs, portable devices, lab and warehouse automation, military equipment, and more.
Learn more.


NSK's new Active Casters help robots move effortlessly

NSK has developed new Active Caster technology for service robots and mobility drive applications. The compact, electric-powered turning unit provides both drive and steering functions based on the difference in rotation between two motors. The developers say it generates less vibration compared to an omnidirectional mobility unit using Mecanum wheels.
Read this informative NSK article.


Hybrid stepper motor with 8-pin integrated connector

Lin Engineering's NEMA 23 (57-mm) hybrid stepper motor can be ordered with an 8-pin integrated connector that allows for multiple connection options. Standard and customized windings and shaft options are available to match your performance requirements, as well as customizable leads and wire harness. This high-volume-availability motor may be the perfect drop-in replacement for your designs if you are experiencing supply chain issues.
Learn more.


IronHorse jet pump and stainless steel motors

Automation-Direct has added the new, economical IronHorse MTRJ series of jet pump motors to their AC motor lineup. They come in a TEFC enclosure with a 56J frame that has a threaded shaft for direct connection to a jet pump, and are available in 120/230 VAC from 1/3 to 2 hp and in 208-230/460 VAC from 1/3 to 3 hp at 3,600 rpm. AutomationDirect has also added the MTS series of IronHorse motors that offer premium efficiency (EISA compliant) and come with an IP69K-rated stainless steel construction that can survive the harshest of environments. They are available in sizes from 1/3 to 20 hp in 208-230/480 VAC 3-phase and in speeds of 1,200, 1,800, and 3,600 rpm.
Learn more.


Machine learning eliminates cogging for linear motors

The highly dynamic AL8000 linear motors from Beckhoff now meet even greater requirements for accuracy and synchronization with the new TwinCAT Cogging Compensation software, which compensates for cogging forces. Cogging forces in linear motors are caused by the magnetic attraction between the iron core in the primary part and the permanent magnets in the secondary part. AL8000 linear motors are particularly suitable for high-precision applications such as milling machines or laser cutting machines.
Learn more.


Army re-envisioning land warfare through next-gen combat vehicles

A Robotic Combat Vehicle - Light is part of the Next Generation Combat Vehicles Cross-Functional Team portfolio, prior to testing at Camp Grayling, MI, in October 2021. [Credit: U.S. Army photo]

 

 

 

 

By Maureena Thompson, U.S. Army Futures Command

Readying the U.S. military for future warfare requires envisioning how next-generation warfighters will maneuver across all domains, including the fundamental land domain.

As a proven leader in ground combat, the Army is accomplishing this task by bringing together ground vehicle experts, industry innovators, and hands-on engineers and researchers to develop, test, and ultimately deliver new fighting vehicles.

Steering the Army's efforts to advance prototypes in this area is the Army Futures Command Next Generation Combat Vehicles Cross-Functional Team, or NGCV CFT, based in Warren, MI.

The NGCV CFT, in partnership with the Combat Capabilities Development Command Ground Vehicle Systems Center, the Program Executive Office - Ground Combat Systems, and industry partners, is working to provide more capable replacements for decades-old combat vehicles and introduce new warfighting capabilities that will produce a speed, range, and reliability of combat vehicles once thought unachievable.

The CFT is also exploring how the Army can strengthen its protection of Soldiers traveling in infantry fighting vehicles and other combat platforms while also ensuring the vehicles are as nimble, durable, and adaptable to unexpected settings as possible.

"Wars are won on the ground. Getting American women and men into positions of relative advantage enables our collective success," said NGCV CFT Director Maj. Gen. Ross Coffman. "The ground manned and unmanned vehicle that Team Detroit delivers will allow the U.S. Army and its partners and allies to maintain dominance over all adversaries far into the future. We cannot expect our foes to capitulate. We must convince them to surrender through materiel, training and leadership."

One of the CFT's top priorities is the establishment of an Optionally Manned Fighting Vehicle, or OMFV, which it is developing through open-source contracts and in-depth conversations with defense industry innovators.

OMFVs, which are presently in a digitally engineered blueprint phase but are set to progress into a prototyping phase in 2023, will not simply serve as a replacement for the Bradley Fighting Vehicle, but instead will bring transformative flexibility and lethality capabilities to future battlefield commanders.

The CFT is also continuing its work on the Armored Multi-Purpose Vehicle, a modern personnel carrier that is undergoing Initial Operational Test and Evaluation, and the Mobile Protected Firepower, a new light tank model that recently completed limited user testing, among other activities.

Along the way, the NGCV CFT is conducting regular Soldier touchpoints and feedback sessions to ensure new vehicle designs meet functional user needs.

As it develops a portfolio of NGCV systems, the CFT is utilizing a Modular Open Systems Approach, standardizing hardware, software, and data interfaces to allow for persistent modernization and smoother, more cost-effective integration of new capabilities moving forward.

Ultimately, "our CFT aims to synchronize efforts between all organizations within the Army Modernization Enterprise to facilitate the rapid acquisition of increased capabilities," said Maj. J. Michael Eisenlohr, Deputy Chief of Staff for the NGCV CFT.

"We are a team of military professionals working with Soldier-centered design leads to develop operationally relevant systems for the future force," Eisenlohr said.

Published June 2022

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