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Linear Motion Tips

Covering Linear Motion Systems, Components and Linear Motion Resources

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bearings

New rail/roller bearing wheel system for high speed, low friction linear motion

April 29, 2022 By Miles Budimir Leave a Comment

rail roller bearing

LM76’s new SPEED DEMON EL300 rail/roller bearing wheel system is the latest edition to the SPEED DEMON linear bearing family. It features travel lengths of 400 to 3,000 mm, a wide 90 mm base and 49 mm centerline to centerline of the parallel rails of the base, and 100 mm centerline to centerline spacing of […]

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

Ball rail systems: twice the service life and high travel accuracy

October 22, 2015 By Danielle Collins Leave a Comment

Profiled Rail

The patented entry zone of the new BSHP ball runner blocks from Rexroth improves travel accuracy and work piece quality while greatly increasing load capacities and service life. These runner blocks are available in most sizes, versions, and accuracy classes. BSHP ball runner blocks are 100% interchangeable into existing profiled rail applications using the same […]

Filed Under: Ball + roller guides, Industry news, Slides + guides (all) Tagged With: ball rail, bearings, Bosch Rexroth, Linear Guides, profiled rail

Bearing lubricant: Choosing between grease and oil

August 1, 2015 By Danielle Collins 6 Comments

Lack of bearing lubrication is generally regarded as the number one cause of linear-bearing failure. For recirculating linear bearings such as profiled rail guides and ball screws, lubrication separates the bearings (ball or roller) from the raceways, minimizes friction and wear, dissipates heat, and prevents corrosion. It also promotes smooth running of the seals and […]

Filed Under: Linear drives (all), Slides + guides (all) Tagged With: Ball Screw, bearings, Linear Drives, linear guide, Linear Guides, lubrication

How to calculate linear bearing life

October 30, 2014 By Danielle Collins 10 Comments

When selecting linear guides, have you ever seen a disclaimer in the catalog or on the manufacturer’s website regarding dynamic load capacities? It typically reads something like this: Dynamic load capacities are based on 100,000 m of travel. When comparing to products for which load capacities are based on 50,000 m of travel, multiply the 100,000 m […]

Filed Under: Linear bearings, Slides + guides (all) Tagged With: bearings, Calculations, linear guide, Linear Guides, linear motion

How Seals Extend the Life of Linear Systems

October 10, 2014 By Danielle Collins 7 Comments

When selecting a linear system – ball screw, linear guide, or actuator – most of the focus is on application data such as load, speed, travel, and duty cycle. But there’s another factor that should be considered, especially for technically demanding applications or harsh environments. That factor is sealing. How are the bearings protected against […]

Filed Under: Ball + lead + roller screws, Crossed-roller slides, Linear actuators (all), Linear bearings, Slides + guides (all) Tagged With: Actuators, Ball Screw, bearings, Linear Actuator, Linear Actuators, Linear Drives, Linear Guides, linear motion, Linear Slide, Linear Slides

How to Achieve Long Travel and High Speed with Ball Screws

October 2, 2014 By Danielle Collins 14 Comments

If you need a linear motion system that can travel at high speed over long lengths, what solutions come to mind first? Belt drives? Rack and pinion systems? Linear motors? If the application requires high thrust force, belt drives won’t suffice, and if high positioning accuracy is important, rack and pinion systems are out. Linear […]

Filed Under: Ball + lead + roller screws, Linear actuators (all), Linear drives (all) Tagged With: Ball Screw, bearings, Linear Drives, linear motion

Renishaw Helps Achieve High Accuracy Grinding for Giant Wind Turbine Bearings

July 6, 2010 By admin Leave a Comment

KMT Lidköping (www.kmtgroup.com/lidkoping/) has unveiled its new hard-turning VTG4000 (Vertical Turning Grinding) machine that uses a combination of Renishaw SiGNUM optical angle and linear encoders to achieve the required accuracy, and Renishaw magnetic encoders placed on the exposed axes of the cutting heads. “Our largest machine used to accommodate parts up to 600 mm diameter, […]

Filed Under: Encoders + sensors (linear) + I/O, Linear bearings Tagged With: bearings, Linear Actuators, renishaw, wind turbine

Amish Communities Adopt Plastic Bearings

February 25, 2010 By admin Leave a Comment

EAST PROVIDENCE, R.I. – An Ohio-based manufacturer of horse-drawn farming equipment predominately employed by Amish communities uses iglide® plastic plain bearings from igus® on a ‘crumbler’ mechanism; used to crush clods of dirt during the tilling process. The bearings replaced a system of metal shafts and collars that required messy lubricants and frequent maintenance. iglide […]

Filed Under: Featured, Linear bearings Tagged With: amish, bearings, iglide, igus, plastic bearings

Spherical bearings eliminate installation nightmare and maintenance hassles

February 26, 2009 By Miles Budimir Leave a Comment

 EAST PROVIDENCE, R.I. – Igubal® spherical bearings from igus® Inc. put an end to installation nightmares and maintenance hassles for customers from a wide array of industries such as packaging, sports equipment, food processing and automotive. Frequently, other alternatives such as roller bearings fail prematurely and may require readjustment, reaming or retrofitting to compensate for […]

Filed Under: Linear bearings Tagged With: bearings, igus, instillation, spherical bearings

iglide T500 bearings resist harsh chemicals and caustic substances

February 25, 2009 By Miles Budimir Leave a Comment

EAST PROVIDENCE, R.I. – Iglide® T500 plain bearings from igus® Inc., a world-leading developer of plastic bearing technology, are designed to resist harsh chemicals and caustic substances. Iglide T500 is a member of the iglide plastic bearing family from igus, a line of all-polymer bearings requiring no external lubrication or maintenance. Iglide T500 attains exceptional […]

Filed Under: Linear bearings Tagged With: bearings, iglide, igus

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