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Find Your Ideal Linear Motion Solution  

Often the ideal motion control solution is not about finding the fastest, sturdiest, most accurate or even least expensive option. Rather, the ideal solution is the optimal balance of performance, life and cost.

That said, ball screws are often viewed as the first choice for linear motion applications because they provide high efficiency, load capacity and positioning accuracy.

However, with careful attention to selection and application, lead screws can deliver efficiency that comes close to ball screws on many applications, high levels of load capacity, and very good positioning accuracy, among many other advantages.

Read Why Lead Screws are the Best Fit for Many Linear Motion Applications - and How to Apply them Correctly (DesignFax, May 2013) for help determining whether a particular application is a good fit for lead screws, and how to select the right lead screw for the application.

What are the main differences between lead screws and ACME screws?

SOLUTION: "Lead screw" is a generic term that refers to any threaded drive screw using sliding surfaces to transmit the load. Lead screws are typically used for dynamic applications. Static applications are generally referred to as “fastener screws” and utilize inefficient thread forms not well suited for regular motion.

"ACME" is a term that refers to a particular thread form. An ACME screw is also a lead screw but not the reverse. The ACME thread standard was designed for part interchangeability and is accompanied by specific class such as 2G, 3G, 2C etc. that have slightly different tolerances.

ACME thread forms can be easily checked using readily available thread gauges. However, ACME thread is designed for interchangeability and manufacturability. Other proprietary lead screw thread forms may perform better depending on the application but are more difficult to characterize.

First Look: NEW! Thomson Glide Screw™
June 27, 2013 11am ET/ 10am CT/ 8am PT

Part linear bearing, part lead screw, the Glide Screw from Thomson combines the best features of these products into an easy to install, one-part solution.

Here is your chance to get a first look at the newest in screw technology and find out what all the buzz is about!

REGISTER NOW! Spaces are limited.  Please double check your local time zone.

Get Thomson 2D and 3D Product Models via FireFox, Chrome and IE

Thomson is constantly looking for ways to help OEM’s build a better machine, faster, and increasing accessibility to tools such as 2D and 3D product models is another step in helping our customers and prospects correctly size and specify the right product for their machine.

Previously available to Internet Explorer users only, models for all Thomson product categories are also now available for download via FireFox, Chrome and other browsers in over 25 file formats, compatible with most popular CAD programs including Solidworks, AutoCAD, Pro/E and more.

Ball Screw or Lead Screw? Video Version

This month’s feature article does a great job of going in-depth on ball screw and lead screw advantages, disadvantages and key selection criteria.

But if you’re short on time and could benefit from a “Cliff’s Notes™” version, watch our short educational video, Thomson Lead Screw vs. Ball Screw Technology (3:28), to get to the heart of the matter.

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