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Linear Motion Tips

Covering Linear Motion Systems, Components and Linear Motion Resources

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lead screw

Motion Trends: 3D printing aides lead screw design, prototyping

March 15, 2018 By Miles Budimir Leave a Comment

lead screws

A number of trends in the motion industry are impacting lead screw design and implementation. One of these is the miniaturization of components. For instance, applications in optics as well as medical devices demand high precision, and smaller miniature lead screws can meet high precision specifications and can fit where space is limited and where […]

Filed Under: Ball + lead + roller screws, Linear drives (all) Tagged With: haydonkerk, lead screw

Leadscrews: Motion system mainstays

January 27, 2017 By Miles Budimir 1 Comment

leadscrews

Among the methods available for converting rotary motion to linear, leadscrews are a mainstay. A leadscrew, or power screw, is a threaded rod or bar that translates rotational motion into linear motion. Leadscrews generate sliding rather than rolling friction between a nut and the screw. Consequently, higher friction means a lower overall efficiency. And efficiency, […]

Filed Under: Applications, Ball + lead + roller screws, Linear drives (all), Motion Casebook Tagged With: lead screw

Three easy ways to reduce maintenance costs for linear systems

March 28, 2016 By Danielle Collins 1 Comment

maintenance

If you’ve read many articles on this site, you probably recall that inadequate lubrication can cause bearing failure. But while lubrication is the most important maintenance factor in linear bearing life, there are other things that users can do to reduce maintenance costs and ensure they get the most life from a linear bearing, ball screw, or […]

Filed Under: Applications, Linear actuators (all), Linear drives (all), Slides + guides (all) Tagged With: Ball Screw, lead screw, Linear Actuator, linear guide, lubrication, maintenance

New miniature lead screws

October 15, 2015 By Danielle Collins Leave a Comment

Helix Linear Technologies today unveiled its Ultra Miniature lead screw product line. Helix designed the new range of lead screws for applications that demand micron level positioning and impressively small envelopes. Helix is matching these new screws with their proprietary internally lubricated anti-backlash nut designs to produce a precision lead screw assembly with zero backlash […]

Filed Under: Ball + lead + roller screws, Industry news, Linear drives (all) Tagged With: lead screw, lead screws

Helix Linear automates PTFE coating of its precision lead screws

October 8, 2015 By Danielle Collins Leave a Comment

Helix Linear has announced the acquisition of a Robotic Coating System (RCS) for applying its proprietary H4X PTFE coating to lead screws. This is the most advanced coating system in the industry and allows Helix to precisely apply the highest quality PTFE coatings to their precision lead screws. The PTFE coating acts as a dry […]

Filed Under: Ball + lead + roller screws, Industry news, Linear drives (all) Tagged With: helix linear, lead screw

New video helps engineers service the Thomson Motorized Lead Screw

September 8, 2015 By Danielle Collins Leave a Comment

Thomson Industries, Inc. has released a new educational video to help design engineers correctly service the Thomson Motorized Lead Screw in the field. The precision-engineered units combine a hybrid stepper motor and lead screw in one compact envelope to provide clear advantages with a solution that is smaller, stronger, and more efficient than alternate technologies. […]

Filed Under: Ball + leadscrew driven, Industry news, Linear actuators (all) Tagged With: lead screw, thomson, thomson linear

Compact Stages for Scanning and Indexing

June 2, 2015 By Danielle Collins Leave a Comment

The Velmex XSlide assembly is a compact positioning stage highly suitable for high performance incrementing and scanning of smaller loads. Its compact design makes it ideal for limited space applications. Constructed with hard-coat anodized aluminum dovetail ways and smooth motion PTFE bearings, XSlide assemblies deliver higher rigidity for longer life and more precise movement when […]

Filed Under: Ball + leadscrew driven, Industry news, Linear actuators (all) Tagged With: lead screw, Linear Slide

How to determine if a screw will back drive

May 15, 2015 By Danielle Collins 2 Comments

Screw assemblies are generally preferred over belts or linear motors in vertical applications. This is because a screw will prevent the load from catastrophically crashing if there’s a loss of power to the motor. But a vertical load can still cause a screw to back drive, allowing the load to drop, albeit at a slightly […]

Filed Under: Applications, Ball + lead + roller screws, Linear drives (all) Tagged With: back drive, Ball Screw, calculation, lead screw

Can Lead Screws Outperform Ball Screws?

January 23, 2015 By Danielle Collins 2 Comments

lead screw

Lead screws are often regarded as the less expensive alternative to ball screws – suitable only for light-duty applications with low precision requirements. While it’s true that ball screws often have the advantage over lead screws when it comes to load capacity and rigidity, lead screws’ reliance on sliding, rather than rolling, motion makes them the better choice for […]

Filed Under: Ball + lead + roller screws Tagged With: lead screw, leadscrew, linear drive, linear motion

Micro Series Lead Screw Assemblies from Haydon Kerk Motion Solutions

June 2, 2010 By admin Leave a Comment

Hollis, NH – Haydon Kerk Motion Solutions introduces their Kerk® Micro Series Lead screw Assemblies. Haydon Kerk has applied their experience and knowledge of precision thread rolling to a new range of micro-sized lead screws. Standard configurations include 2mm diameter screws with leads ranging from 0.3mm to 2mm per revolution and a variety of nut […]

Filed Under: Ball + lead + roller screws, Linear actuators (all) Tagged With: haydon kerk, haydonkerk, kerkite, lead screw, linear motion, micro series

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