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Linear Motion Tips

Covering Linear Motion Systems, Components and Linear Motion Resources

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Applications

Three easy ways to specify application requirements for linear motion systems

February 27, 2021 By Danielle Collins Leave a Comment

application requirements

The first step in any automation project is to clearly define the objective — what process are you trying to accomplish or what output are you trying to produce? Once the process or output is defined, it’s time to dig into the details of the application so you can choose the right components or systems […]

Filed Under: Applications, FAQs + basics, Featured

Ride the wave of electrification: Off-highway designs with linear actuators

February 23, 2021 By Lisa Eitel Leave a Comment

The transition of mobile machinery and off-highway equipment away from fossil fuels may be a long-term goal, but electrification is already delivering real benefits in the sector. By Tarek Bugaighis • Ewellix Is the era of the internal combustion engine coming to end? Under pressure to reduce harmful emissions, the automotive industry is already gearing […]

Filed Under: Applications, Controls for linear axes, Featured, Integrated Linear Systems, Linear actuators (all), Linear drives (all) Tagged With: ewellix

What factors contribute to air bearing stiffness?

February 12, 2021 By Danielle Collins Leave a Comment

air bearing stiffness

According to the American Society of Mechanical Engineers (ASME), stiffness is: The capacity of a mechanical system to sustain external loads without excessive changes of its geometry (deformations). When we think of stiffness in traditional bearings with rolling elements, we’re typically considering the deflection of the carriage when a load is applied. For air bearings, […]

Filed Under: Applications, FAQs + basics, Featured, Stages + gantries

When should you use a bronze lead screw nut?

February 8, 2021 By Danielle Collins Leave a Comment

Lead screw manufacturers offer nuts in a wide array of materials, including various plastics and grades of bronze. And while plastics garner a lot of attention for their versatility and range of suitable applications, lead screw nuts made of bronze are especially well-suited for applications with high loads or extremely high (or low) temperatures. Plastic […]

Filed Under: Applications, Ball + lead + roller screws, FAQs + basics, Featured

What are low outgassing materials for linear motion components in vacuum applications

February 1, 2021 By Danielle Collins Leave a Comment

Outgassing — the release of gas or vapor from a material through desorption, sublimation (the transition of a material from solid directly to gas), or evaporation — is a critical parameter for materials used in vacuum environments. These gasses and vapors can affect the pressure (or level of vacuum) in the vacuum chamber, and outgassed compounds […]

Filed Under: Applications, Ball + lead + roller screws, FAQs + basics, Featured, Rack + pinion sets, Slides + guides (all)

Gothic arches, tracks, and roller bearings in the context of linear motion

January 27, 2021 By Lisa Eitel Leave a Comment

Industry terminology used to describe linear guides and other linear components widely varies. Here we explain three linear-guide phrases and words having multiple meanings — and differentiate how they relate to track-roller linear guides and profiled-rail linear guides. Let’s start by reviewing the multiple linear-motion meanings for Gothic-arch linear bearing. Gothic arches originate from civil […]

Filed Under: Applications, Ball + roller guides, Editor's blog, Featured, Linear bearings, Slides + guides (all)

Functional safety (and IIoT connectivity) from linear brakes

January 27, 2021 By Lisa Eitel Leave a Comment

In a recent Design World feature, we covered the basics of how functional safety is quantified … and what constitutes a servo-brake option with functional-safety certification. Here we share more details on the construction of safety brakes for linear axes and the intersection of brake safety and IIoT capabilities. Machine safety is core to nearly […]

Filed Under: Applications, Editor's blog, Featured, Industry news, Slides + guides (all) Tagged With: nexengroup

How to make linear motion systems cleanroom compatible

January 22, 2021 By Danielle Collins Leave a Comment

linear motion cleanroom

While we often talk about the importance of keeping contamination out of linear motion components such as linear guides and screws, when these systems are used in a cleanroom, the goal is just the opposite — to keep these components from introducing contamination into the environment. What exactly is a cleanroom? According to ISO 14644-1:2015, […]

Filed Under: Applications, Ball + lead + roller screws, Ball + roller guides, FAQs + basics, Featured, Linear bearings

When is encoder resolution specified in bits, and what does that tell us?

January 7, 2021 By Danielle Collins Leave a Comment

Absolute encoders — whether rotary or linear — track the position of an axis by assigning a unique value to each position on the encoder, so that no matter where the axis being measured is located, its exact position can be determined. And because each position is uniquely identified, this holds true even if the […]

Filed Under: Applications, Encoders + sensors (linear) + I/O, FAQs + basics, Featured

The top 10 linear motion articles of 2020

December 28, 2020 By Danielle Collins Leave a Comment

linear motion articles

Suffice it to say, pretty much everything about 2020 has been out of the ordinary, and our recap of the top linear motion articles for this year is no exception. For the first time in recent history, only one (1!) of the top 10 articles is about ball or lead screw technologies — a topic that usually […]

Pages: Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10

Filed Under: Applications, Ball + lead + roller screws, Ball + leadscrew driven, Ball + roller guides, Belt + chain driven, Featured, Rack + pinion driven, Rack + pinion sets

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