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Linear Motion Tips

Covering Linear Motion Systems, Components and Linear Motion Resources

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Lisa Eitel

Review of linear actuation complemented by guide wheels

December 4, 2019 By Lisa Eitel Leave a Comment

Linear bearings based on steel guide wheels often complement motor-based linear actuation in two challenging application types: Long-stroke linear-motion axes as those driven by belts, linear motors, or rack-and-pinion sets Linear systems in harsh environments subject to hot and humid conditions, abrasive materials, extreme loading, and corrosive chemicals. Recall that wheel-based linear guides are systems […]

Filed Under: Featured, Integrated Linear Systems, Linear actuators (all)

Boosting productivity with the right direct-drive motor and linear-motor feedback

November 27, 2019 By Lisa Eitel Leave a Comment

Feedback options for linear motors and direct-drive torque motors abound. The most common employ optical, magnetic, capacitive, or inductive measurement. Here we explain how the key application parameters of precision, cost restrictions, and insensitivity to mechanical characteristics and environment dictate which technology is most suitable. By Steffen Preg | CEO • SIKO Products Inc. Machines […]

Filed Under: Applications, Controls for linear axes, Encoders + sensors (linear) + I/O, Featured

How to size a rack-and-pinion system for a precision motion axis

November 20, 2019 By Lisa Eitel Leave a Comment

In a previous motion-sizing article, we reviewed how to properly specify a ballscrew-driven motion axis. Here we review how engineering teams can use a similar approach for sizing rack-and-pinion-based servomotor-driven axes on the same five-axis gantry. We’ll use manufacturer software to work through the application. By Sixto Moralez • Regional motion engineer | Yaskawa America […]

Filed Under: Applications, Featured, Rack + pinion driven Tagged With: yaskawa

Festo electric actuators simplify setup of linear motion axes

October 17, 2019 By Lisa Eitel Leave a Comment

Festo now sells a Simplified Motion Series of electric drives that combines the simplicity of pneumatics with the benefits of electric automation. These new electric drives equipped with Digital I/O and IO-Link enable a range of operational and productivity benefits and deliver intelligent IIoT communication. The actuators in this series are built for simple motion […]

Filed Under: Belt + chain driven, Linear actuators (all) Tagged With: festo

SMAC actuators satisfy existing OEM form-fit-function requirements

October 14, 2019 By Lisa Eitel Leave a Comment

SMAC now sells voice coil actuators that include differential features to satisfy OEM requirements … actuators that allow drop-in replacement of existing motion technologies having the same form, fit, and function. This design process is called MCA Inside and has been key in helping OEMs with an install base or an existing design to solve […]

Filed Under: Featured, Linear actuators (all), Mini + piezo + voice coil, Motion Casebook Tagged With: smac

Linear motion systems: Only as strong as weakest link

October 13, 2019 By Lisa Eitel Leave a Comment

Demands placed on linear systems in today’s automation are greater than ever — and continue to increase. Here we review five links in the chain of design elements so critical to precision operation. By Mark Huebner • Mechatronics global product manager | PBC Linear Kevin Bischel • Principal engineer | PBC Linear A linear motion […]

Filed Under: Applications, Ball + leadscrew driven, Featured, Linear actuators (all)

THK roller LM guide type HRX for myriad applications and harsh environments

October 7, 2019 By Lisa Eitel Leave a Comment

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 […]

Filed Under: Applications, Crossed-roller slides, Featured, Slides + guides (all) Tagged With: THK

Pick-and-place applications with Festo tools — showing at Pack Expo

August 28, 2019 By Lisa Eitel Leave a Comment

Festo offers software and hardware to shorten packaging-machine development time and reduce engineering overhead. These components, systems, and software tools will be on display at Pack Expo on September 23 to 25 at the Las Vegas Convention Center Booth LS-6349. Design a pick-and-place robot and control cabinet in minutes Festo demonstrates a Cartesian robot and […]

Filed Under: Applications, Featured, Integrated Linear Systems, Linear actuators (all), Linear drives (all), Pneumatic cylinders, Stages + gantries Tagged With: festo

How roller-screw and ball-screw actuators compare in high-force applications

August 2, 2019 By Lisa Eitel Leave a Comment

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 […]

Filed Under: Ball + lead + roller screws, Featured, Integrated Linear Systems, Linear actuators (all)

PHD Inc. offers linear slides that are IP54 and even IP67 rated (for washdown)

July 1, 2019 By Lisa Eitel Leave a Comment

PHD Inc. offers electric Series ESU linear slides that are IP54 rated with magnetic band sealing for rugged protection. These are electric-motor and belt-driven linear actuators with a robust enclosed design and high-capacity rail bearing system to deliver exceptional moment and load capability. Available in three sizes with travel lengths to 5,500 mm (with  other […]

Filed Under: Belt + chain driven, Featured, Integrated Linear Systems, Linear actuators (all), Slides + guides (all) Tagged With: phdinc

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