In dealing with the COVID-19 pandemic many companies have volunteered or been requested to produce urgently needed medical products such as masks, gowns, and ventilators. Tooling up quickly to produce medical grade products for some companies can bring challenges. In addition to needing FDA-compliant materials that will be used in the actual masks, gowns, and […]
What makes a linear guide suitable for high temperature use?
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 […]
New Compact Linear Bushing (CLB) from Samick
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 […]
Thomson introduces online quote tool for customized 60 Case shafting and hardened pins
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 […]
Mechanical properties of materials: stiffness and deflection
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 […]
What are needle roller linear bearings?
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 […]
What is curvilinear motion and when is it used?
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 […]
Linear motion trends in slides: Robotics and mobile designs lead the charge
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 […]
One-piece ETX linear bearing/pillow blocks suitable for use in radioactive environments
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 […]
Selecting shafts for linear bearings: two things you need to know
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 can use a wide variety of shaft materials, depending on the application or environmental requirements. Shafts for recirculating linear […]
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