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Linear Motion Tips

Covering Linear Motion Systems, Components and Linear Motion Resources

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Linear bearings

What makes a linear guide suitable for high temperature use?

February 14, 2020 By Danielle Collins Leave a Comment

linear guide for high temperature

For most recirculating ball and roller linear guides, the allowable operating temperature range is -10° to 80° C, with some configurations rated up to 100° C for brief periods. But not all applications fall within this temperature range, and each component in the linear bearing assembly (housing, rail, balls, seals, etc.) has a different maximum […]

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

New Compact Linear Bushing (CLB) from Samick

January 28, 2020 By Danielle Collins Leave a Comment

compact linear bushing

The new Compact Linear Bushing (CLB) by SAMICK, a specialist in linear bearings, is gaining popularity in the market as the company expands its product offering for customers. SAMICK’s CLB is a linear ball bearing that conforms to the ISO 10285 standard, providing customers with a low-cost, compact design for easy integration into new or […]

Filed Under: Ball + roller guides, Industry news, Linear bearings Tagged With: samick

Thomson introduces online quote tool for customized 60 Case shafting and hardened pins

December 3, 2019 By Danielle Collins Leave a Comment

Thomson Industries, Inc., a leading manufacturer of linear motion control solutions, has introduced an online instant quote tool that helps design engineers save time during the selection and purchase process of its customized 60 Case shafting. By providing real-time pricing and instant access to lead times for chosen products, Thomson’s intuitive, self-service tool allows designers […]

Filed Under: Ball + roller guides, Industry news, Linear bearings Tagged With: thomson, thomsonindustries, thomsonlinear

Mechanical properties of materials: stiffness and deflection

November 29, 2019 By Danielle Collins 1 Comment

stiffness

In a previous post, we looked at the stress-strain curve and its relationship to various aspects of material strength — tensile strength, yield strength, and fracture strength, for example. And while we often think of materials and structures in terms of strength, technically, “strength” is a measure of how much force a material can withstand […]

Filed Under: Applications, Ball + roller guides, FAQs + basics, Featured, Linear actuators (all), Linear bearings, Plastic + composite guides, Track roller (cam + wheel) guides

What are needle roller linear bearings?

October 4, 2019 By Danielle Collins Leave a Comment

needle roller

You might be familiar with rotary needle roller bearings (often referred to as simply needle roller bearings) which are used extensively in automotive and industrial power transmission applications due to their compact size and high load-carrying capability. But did you know that some linear bearings also use needle rollers? For linear bearings, needle rollers were […]

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

What is curvilinear motion and when is it used?

September 6, 2019 By Danielle Collins 1 Comment

curvilinear motion

In single-axis motion systems, travel is typically either linear (in a straight line) or rotary (in a partial or complete circle). But some applications call for a system that combines straight sections of motion with curved sections — referred to as curvilinear motion. Curvilinear systems generally take one of two forms: simple, constant-radii sections (such as […]

Filed Under: Applications, Ball + roller guides, FAQs + basics, Featured, Linear bearings, Plastic + composite guides, Track roller (cam + wheel) guides

Linear motion trends in slides: Robotics and mobile designs lead the charge

April 5, 2019 By Lisa Eitel Leave a Comment

Demand for simple-to-install and pre-integrated linear-slide systems continues unabated … especially in applications only recently automated. Here’s the perspective of Matt Mowry, North American market manager for drylin products at igus: “We’ve supplied fully assembled and customized linear-slide tables … complete with motors and accessories. We’ve also supplied custom-extruded linear profiles and bearing liners to […]

Filed Under: Applications, Ball + roller guides, Crossed-roller slides, Featured, Linear bearings, Plastic + composite guides, Slides + guides (all), Track roller (cam + wheel) guides Tagged With: igus, pbclinear

One-piece ETX linear bearing/pillow blocks suitable for use in radioactive environments

February 12, 2019 By Miles Budimir Leave a Comment

pillow block

LM76 now offers one piece ETX Linear Bearing/Pillow Blocks that will not degrade in a radioactive environment. Machined from a solid block of self-lubricating ETX, linear bearing blocks have high strength, excellent wear resistance, low coefficient of friction, and excellent dimensional stability at higher temperatures. Custom designed for use in a nuclear power plant these […]

Filed Under: Linear bearings, Slides + guides (all) Tagged With: linear bearing

Selecting shafts for linear bearings: two things you need to know

November 13, 2018 By Danielle Collins 1 Comment

shafts

In a round shaft linear bearing system, the shaft acts as the inner raceway of the bearing and plays a significant role in the wear and life of the system.  Both recirculating and plain linear bearings as well as track-roller wheel-based linear bearings can use a wide variety of shaft materials, depending on the application […]

Filed Under: Applications, Ball + roller guides, FAQs + basics, Featured, Linear bearings, Plastic + composite guides

How do roller pillow blocks compare with traditional round shaft bearings?

November 1, 2018 By Danielle Collins Leave a Comment

roller pillow blocks

Round shaft guides are typically used with plain (composite, plastic, or bronze) or recirculating ball style linear bearings. But another type of round shaft bearing — referred to as a roller block or roller pillow block — offers better stiffness than plain bearings and higher speed capabilities than recirculating ball types. Instead of balls, a […]

Filed Under: FAQs + basics, Featured, Linear bearings, Track roller (cam + wheel) guides

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