Screw Jacks

Articles About Screw Jacks


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Replacing Hydraulic Lifting Systems with Electro-Mechanical Screw Jacks

There is a widespread push to replace hydraulic systems with electo-mechanical screw jack systems and for a number of good reasons. The trend has already been under way in Europe for some years and now it is moving to North America. Engineers are being tasked to “design out” hydraulic systems and “design in” screw jack systems for their pushing, pulling, lifting and holding application needs. White Papers Courtesy of DieQua Corporation
www.powertransmission.com/sc/diequa-replacing-hydraulic/

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1 Seeking Higher Ground (March 2016)

Even for a toddlin town famous for making “no small plans” — such as, for example, reversing in 1900 the Chicago River to secure clean drinking water, or rebuilding itself seemingly overnight after the devastating “Great Chicago Fire” (1871) — to physically — and successfully — elevate itself as much as 14 feet above its original ground level defies not only description but credulity.

2 Introducing the Ball Screw (December 2018)

The Swiss Army Knife of PT Components.

3 Realizing the High Precision Load Handling Benefits of Rodless Electromechanical Actuators (February 2019)

Electromechanical rodless linear actuators can offer better load handling in smaller spaces than rod-style actuators, but realizing those benefits requires careful attention at the specification level. Whether you are replacing a failed actuator, looking for better performance or building a new application from the ground up, success depends on how precisely you specify application requirements.

4 Reduce Your Linear Motion Assemblies to a Single Component with Motorized Lead Screw Actuators (December 2019)

When it comes to specifying linear motion within a machine, system designers have many options from which to choose. Making the right choice can impact the ease of installation, footprint and cost of operation.

5 CNC System Upgrades (December 2017)

Automated production of large objects such as auto body prototypes, boat hulls and surfboards traditionally requires computerized numerical control (CNC) systems costing nearly a million dollars. Thomson Cuts Costs and Production Time for Autoscale Inc.

6 Ball Screws Revisited - Ask the Expert (February 2013)

A reader asks for clarification on last issue's Ask the Expert column about ball screw sizing.

7 Oscillation Welding Protects Pipelines (April 2010)

Ball screw assemblies are key to this patent-pending oilfield corrosion prevention solution.

8 The Show Must Go On (April 2012)

Nook Customized Components Fit Talk Show Set…By a Thread

9 Selecting and Sizing Ball Screw Drives (October 2012)

The ball screw drive is an assembly that converts rotary motion to linear motion and vice versa. The ball screw drive consists of a ball screw and a ball nut with recirculating ball bearings...