Ball screws • lead screws

SCHNEEBERGER Inc., a leading innovator in linear technology, has announced a partnership with Sung-il Machinery Co., a leading manufacturer of precision couplings support units for ball screws. “Our partnership with Sung-il Machinery is the perfect fit. Effective immediately, SCHNEEBERGER can now provide quality Sung-il Machinery ball-screw couplings to complement our offering of high-performance precision ball…

Ball screw performance continues to improve, thanks to advancements in manufacturing methods and materials. Newer generations of ball screws have higher load capacities, which means they’re increasingly being used for applications with higher loads as well as more challenging environmental conditions. Hence, the rise in ball-screw-driven actuators replacing traditional fluid power actuation methods in some […]

Collaboration robots (cobots) provide the strength, consistency, and reliability of industrial robots with the judgment and flexibility of human operators. Cobots are increasingly used in large-scale production applications that involve continuous lifting operations but still require a human touch. While cobots have been in use for at least a decade, applications have been limited by…

A new Roller LM Guide Type HRX from THK America Inc. meets the demands of myriad applications and environments. The Type HRX boasts a duplex face-to-face structure (DF Structure) and a full roller design for resilient performance in even harsh settings. Features include a highly rigid, yet simple structure, caged rollers and an extensive dust […]

Tolomatic IMA-S integrated electric servo actuators are designed to hygienic standards for eliminating harborage points and preventing bacterial growth. The 316 stainless-steel construction provides corrosion resistance and withstands high pressure, high temperature and caustic wash-down. With its hygienic design and IP69k ingress protection rating, the IMA-S meets clean-in-place requirements, allowing machine designers to achieve open […]

High-gain flexible coupling which surpasses XGT-CXGL-CXGS-C in performance. This is a single-piece construction with the two aluminum hubs molded with high-gain rubber. The optimal damping and rigidity design enables realization of even greater servomotor gain, leading to reduced stabilization time. Technical information⇒Productivity and stabilization time Suppressing speed unevenness control during stepping motor operation is effective.⇒Suppressing […]

As electric rod-style actuators overtake fluid power in a variety of high-force applications, it is important to understand how different screw technologies compare in the search for optimum performance and low life-cycle cost. By Daniel Schmit • Product Manager | Tolomatic Inc. Electric-rod actuators with either roller-screw or ball-screw technology are playing an expanding role […]

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 […]

The TRX robotic gripper from THK is designed to emulate a human hand and comes in two sizes.

THK America Inc. is committed to serving the U.S. market. For nearly 25 years, the leader in linear-motion guides has been manufacturing components in the United States at their Hebron, Ohio facility. This year, the manufacturer joined forces with MVPvets in assisting, preparing and transitioning military veterans for meaningful employment. More than 70% of THK […]

Tips on how you can reduce costs and time in all project phases – from machine design to building and testing of equipment, from shipping to installation and throughout the life of the production equipment. Rich Hansen, Senior Automation Engineer at Bosch Rexroth Corporation Manufacturers in the medical industry face unique challenges in terms of…

April 1, 2019: CLEVELAND — The International Industrial Color Consortium (IICC) has released its component forecast for 2019 in the April 1st issue of Design World. The Consortium’s Chief Color Officer, Kevin Manfredjensenjen, explained that many of the fluid power and motion control component producers are moving toward bolder tones from previous years. “We’ve seen…

Improvements in lead screw designs have meant screws that are increasingly competitive with other types of drive screws, including ball screws. For instance, lead screws can offer shorter lead times and better performance, all at a lower cost than other screw technologies. Quite a few lead screw manufacturers offer a range of anti-backlash options, superior […]

Continued developments in manufacturing and materials have improved ball screw performance, with the most recent generation of ball screws having greater load densities than ever before, leading to higher load capacities. High-load ball screws are being integrated into electromechanical linear actuator systems for use in applications with higher loads and more demanding environmental conditions. In […]

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 […]

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 […]

It’s the end of another calendar year here at linearmotiontips.com and what better time than now to do a bit of reflection. It’s an opportunity to do a reckoning of sorts and find out what you, our readers, liked most. So here is a short list of the top 5 most viewed posts published in […]

Moticont has added a linear motor to its SDLM Series of high speed direct drive linear motors which are also know as Electric Cylinders. The SDLM-051-095-01-05 is a powerful, compact linear actuator measuring just 2.00 in. (50.8 mm) in diameter and 3.75 in. (95.3 mm) long. It has a 1.0 in. (25.4 mm) stroke and […]

SKF CASM-100 electromechanical actuators from SKF Motion Technologies, Inc. have been uniquely engineered with a modular design enabling tailored solutions for a wide range of industrial linear movement and positioning applications. Various modules providing choices among motor types, gearboxes, ball screws or roller screws, and accessories allow for custom combinations of components ideally suited for […]

In two weeks, IMTS visitors will be able to see THK’s ballscrew-spline BNS-V at booth #134514. Featuring an exceptionally compact and lightweight structure, the low-inertia BNS-V enables quick starts and stops during high-speed operation.   The BNS-V is a stroke-rotary unit with ball screw grooves and a ball spline groove that cross one another on a […]

In this two-part series, we go over the basic definition of types of repeatability and their application in linear motion and actuation applications. Part 2 covers bidirectional repeatability. (Click here for Part 1.)  Information courtesy of IntelLiDrives Corp. As noted in Part 1, repeatability can be defined as the variation in results for a series […]

Electromechanical actuators continue to evolve with more integration as well as more power, challenging some fluid power mainstays. Putting together a linear motion system has never been easier, considering the options available to designers along with powerful new tools with which to design such systems. The availability of more integrated components and so-called smart actuators […]

Dover Motion, a designer and manufacturer of motion setups for life sciences and diagnostics instruments, today announced the launch of the DOF-5 Objective Focusing Stage. The DOF-5 is a microscope objective nanopositioning stage optimized for optical imaging applications. Developed for automated microscope objective focusing applications including next-generation sequencing (NGS), digital cell morphology, and automated digital […]

QVI (Quality Vision International) is proud to announce the newest precision optical instruments for measuring shafts and other cylindrical parts – QVI TurnCheck. QVI TurnCheck systems address the major sources of measurement uncertainty found in shaft measurement today, by focusing on advanced optics, thermal stability, and ease of use. TurnCheck optics have been designed and…

Miki Pulley’s Step-Flex Couplings improve ball screw performance while solving resonance and vibration problems. The Step-Flex is an altogether new class of shaft coupling. The Step-Flex coupling design has a two-part elastomer element combination. This assembly dampens vibration caused by the actuator carrier when struggling to find its home position by making small adjustments in […]