December 03, 2024 Volume 20 Issue 45

Motion Control News & Products

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Versatile Transport System: Turbocharge conveyance

THK's Versatile Transport System is a high-mix production solution that will keep your production line moving. Its linear motor drive enables high-speed operations, and processing can be performed directly on top of the system's freely recirculating sliders. This highly precise, modular system has many unique features, including easily adjustable stop positions, flex layouts with path splitting and parallelization, and easy addition/subtraction of extension pieces.
View the video.


Tech Tip: How to keep heavy loads balanced

Some Thomson smart linear actuators have a position-based synchro-nization option to help manage unbalanced loads when using multiple units. The system adjusts the speed of each actuator to keep them starting, moving, and stopping synchronously, regardless of their respective load distribution. So useful. So smart.
Learn all about this feature.


Micropositioning stages ensure high accuracy

PI now offers fast delivery of the L-511 linear microposi-tioning stage, which is designed for applications requiring minimum incremental motion down to 20 nm and drive forces up to 22 lb. The L-511 can be combined to form XY or XYZ motion systems and integrated with rotary stages for enhanced flexibility. Features high-load recirculating ball bearings for exceptional durability, even under demanding, repetitive cycles. To enhance positioning accuracy and automation throughput, this stage integrates non-contact, direction-sensing optical reference point switches located at mid-travel.
Learn more.


Robots think and act on the fly at moving assembly line speeds

Inbolt and FANUC are launching a manufacturing breakthrough enabling FANUC robots to tackle one of the most complex automation challenges: performing production tasks on continuously moving parts at line speeds. With Inbolt's AI-powered 3D vision, manufacturers can now automate screw insertion, bolt rundown, glue application, and other high-precision tasks on parts moving down the line without costly infrastructure investments or cycle time compromises.
Learn more.


Best high-speed rotary bearing in THK history

THK has developed its best-performing, high-speed rotary bearing ever: the High-Speed, Double-Row Angular Contact Ring BWH. This rotary bearing has balls aligned inside a cage between the inner and outer rings and is part of the THK Rotary Series, along with the cross-roller ring. The main features of this product are its ability to receive loads in all directions as well as its high rigidity and rotational accuracy, which are equal to that of cross-roller rings. By adopting a new structure to change the rolling elements from rollers to balls, this product achieves the greatest high-speed performance ever offered by THK.
Learn more.


Elevating tables: Precise vertical positioning in tight spaces

As semicon-ductors and optical components become smaller and more sophisticated, the TZ Series of precision elevating tables from IKO International provides exceptional vertical positioning accuracy in a compact size. This unit features a unique wedge mechanism guided in the vertical direction by a pair of IKO C-Lube Super MX linear motion rolling guides arranged in parallel to achieve highly precise positioning with exceptional rigidity. An optional linear encoder provides full closed loop control to achieve positioning accuracy as high as 0.005 mm, with repeatability of +/-0.001 mm.
Learn more and get all the specs.


This cobot is all about safety around people

The COBOTTA PRO from DENSO Robotics is a lightweight, high-speed collaborative robot designed for communication between workers and robots while maximizing productivity. It delivers a blend of productivity and safety for both simple tasks and multi-step processes like assembly and inspection work. The 6-axis unit operates at speeds up to 2,500 mm per sec when no workers are near and slows or stops when people approach. Two models available: PRO 900 (max payload 6 kg) and PRO 1300 (max payload 12 kg). Many more functions and features.
Learn more.


Powerful, pull-type clapper solenoids handle myriad jobs

New powerful, low-profile, pull-type clapper solenoids are available from Magnetic Sensor Systems (MSS). Applications include valve control, locks, starters, ventilators, clamping, sorting, appliances, tools, HVAC, brakes, clutches, switches, mixing, fire suppression systems, door controls, detent latches, and more. The S-16-264 Series of 17 Pull-Type Clapper Solenoids have ampere turns (windings) adjusted to meet the specific force and duty cycle requirements of your application. They provide up to 130 lb (578 N) of force.
Get all the specs for these solenoids and other options.


Tech Tip: Belt, screw, or chain-driven actuator?

Bishop-Wisecarver provides a quick, very useful guide to help you evaluate the right drive strategy for your system: belt, screw, or chain-driven actuator. Each drive type has unique advantages and limitations, so evaluating all your options will help you find the most suitable actuator setup for your specific application needs.
Read the Bishop-Wisecarver blog.


Ultra-precise linear stage -- down to 0.005 microns

PI, a global leader in precision motion control and nanoposi-tioning, now offers fast delivery of the L-511 linear micropositioning stage, which is designed for applications requiring minimum incremental motion down to 20 nm, drive forces up to 22 lb, and multi-axis configuration options. The L-511 can be combined to form XY or XYZ motion systems and integrated with rotary stages. A variety of drive and encoder options (stepper and servo motors, rotary, and linear encoders) enable ultra-fine sensitivity. Applications include: metrology, laser processing, semiconductors, biotech, optical alignment, and advanced automation.
Learn more and get all the specs.


Choosing the right stepper motor: PM or hybrid?

According to the experts at Lin Engineering, there are two primary types of stepper motors to consider: permanent magnet (PM) and hybrid. But which is right for your application? Both types have their advantages and disadvantages, and the choice ultimately depends on your specific requirements.
Read this informative Lin Engineering article.


New PTFE-free linear guide for precise positioning

The new drylin WWP linear guide from igus features a PTFE-free locking carriage. Engineered from lubrication-free, high-performance polymers and aluminum, the guide offers a lightweight, hygienic, and low-maintenance alternative to complex mechanical and electronic adjustment systems. It is significantly more compact and lightweight than conventional recirculating ball-bearing systems. Applications include interior components in vehicles, aircraft, and furniture.
Learn more and get all the specs.


Heavy-duty gear units for mixing and agitating systems

MAXXDRIVE industrial gear units from NORD DRIVE-SYSTEMS are an established drive solution for heavy-duty applications. In addition to conveying, lifting, and driving, they also play an important role in mixing and agitating systems. MAXXDRIVE units feature a compact, one-piece UNICASE housing that delivers long service life, easy maintenance, and quiet operation. Their robust design handles high axial and radial loads, achieves output torques up to 2,495,900 lb-in., and powers up to 8,075 hp.
Learn more.


What are non-captive linear actuators?

According to PBC Linear, their new non-captive linear actuators are different from the more common external versions of lead screw-driven linear actuators because they allow the lead screw to completely pass through the motor. This fundamental difference offers advantages for designs that have limited space available or for engineers looking to shrink the overall size of their design package.
Read the full PBC Linear blog.


Güdel introduces Swiss-quality tracks for cobots

Güdel Inc. is highlighting new technologies at Automate 2025 booth #2418 that demonstrate its unmatched ability to solve automation engineering challenges. One is the Cobomover, a 7th-axis linear track purpose-built for collaborative and lightweight robots. Designed and manufactured in Switzerland, this unit extends the working range of robots up to 5 m, allowing them to operate multiple workstations and perform a variety of tasks without manual repositioning. Compatible with over 60 cobots and small traditional robots.
Learn more and get all the specs.


Student rocket group shatters international amateur space record

By Matilda Bathurst, University of Southern California Rocket Propulsion Lab

Aftershock II, the latest rocket designed and built by the student-run University of Southern California Rocket Propulsion Lab (USCRPL) at the USC Viterbi School of Engineering, has broken the international altitude record -- reaching further into space than any non-governmental and non-commercial group has ever flown before.

The previous 20-year record of 380,000 ft was set by Civilian Space Exploration Team back in 2004. Aftershock II beats that record by 90,000 ft.

Photo from space. The nose cone of USCRPL's rocket points toward the Moon, across Earth's horizon. [Credit: Photo courtesy of USC Rocket Propulsion Lab]

 

 

It also builds upon the group's record as the first and only student organization to launch a student-designed and built rocket past the Kármán line in 2019.

"This achievement represents several engineering firsts," said Ryan Kraemer, executive engineer of USCRPL and an undergraduate student majoring in mechanical engineering. "Aftershock II is distinguished by the most powerful solid-propellant motor ever fired by students and the most powerful composite case motor made by amateurs."


VIDEO: USC student rocket group shatters amateur international space record. [Credit: USC Rocket Propulsion Lab]

In 2019, the USCRPL Traveler IV rocket was the first collegiate-designed and -built rocket to pass the Kármán line, the boundary separating Earth's atmosphere and outer space. Since then, the student-run team has been striving to beat their own record, seeking to claim the altitude record for amateur rocketry worldwide.

The successful launch of Aftershock II took place on Oct. 20 in the Black Rock Desert rocket launch area, Nevada. Equipped with a new avionics unit and improved safety and data integration, Aftershock II reached a velocity of 5,283 ft/sec and Mach 5.5. The comparatively lightweight rocket amounted to 330 lb, at a height of 13 ft and 8 in. diameter.

Crucially, the endurance of the rocket at hypersonic speeds was made possible by a thermal protection system that included new paint and titanium-coated fins.

"To exceed the standard we set for ourselves with Traveler IV, we had to solve many technical and operational challenges," Kraemer explained. "Thermal protection at hypersonic speeds is a major challenge at the industry level, and the protective paint system that we developed performed perfectly, enabling the rocket to return largely intact. We also made an important upgrade to the fins, replacing the bare carbon edge of previous iterations with titanium leading edges. The titanium not only prevented fraying but actually turned blue from the intense heat during flight through anodization, which really demonstrates the extreme conditions our rocket successfully endured."

Furthermore, the custom-designed computer systems and circuit boards were designed and built from scratch by the student team, enabling the live integration of data. This allowed for tracking of the rocket's position during flight, gathering data, and recovering the rocket on descent.

The USCRPL team with the rocket before liftoff. [Credit: Photo courtesy of USC Rocket Propulsion Lab]

 

 

"This is an exceptionally ambitious project not only for a student team, but for any non-professional group of rocket engineers," said Dan Erwin, chair of the USC Department of Astronautical Engineering. "It's a testament to the excellence we seek to develop in our emerging astronautical engineers, who go on to achieve top roles in the space industry and in government positions. The can-do, problem-solving mindset of USCRPL students has provided a foundation for leading startups including Relativity Space and Ursa Major. If you want to see what's next for the space industry, keep an eye on USCRPL."

Published December 2024

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