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Posted by Aaron Dietrich on Tue, Oct 25 2016 @ 8:30 AM

Choosing the right linear actuator [INFOGRAPHIC]

When your design calls for a linear actuator, you have lots of choices.  Pneumatic, electric, rodless, rod, belt driven, screw driven. These are just some of the options available. 

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Posted by Gary Rosengren on Tue, Sep 20 2016 @ 8:30 AM

Electric linear actuator accuracy and repeatability webinar

When an engineer is developing a machine design, accuracy is often top-of-mind.  So is machine cost. But these two considerations can be at odds since the usual scenario is that the higher the accuracy of a device, the higher the cost. This certainly holds true for electric linear actuators and linear motion systems.

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Posted by Aaron Dietrich on Tue, Aug 09 2016 @ 8:30 AM

Electric actuator life in units of time: ball & roller screw actuators

A machine’s useful life depends on the life of its critical components. And machine designers  frequently hear the question, “How long can I expect this machine to keep working?”

When electric linear actuators are used, calculating life can be straight-forward for ball screw and roller screw actuators.  Since these screw types incorporate rolling elements as essential parts, you can use the L10 life formula for ball bearings.

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Posted by igor Glikin on Tue, Jul 12 2016 @ 8:30 AM

Selecting a rodless electromechanical actuator: belt- vs. screw-driven

Let’s say you’ve decided you need a rodless electromechanical actuator to carry a load in your application. Now you have to select a linear drive system. The two most common choices are screw drives and belt drives. Both drive types offer long life, low maintenance, and efficiency in converting the motor’s rotary motion to the carrier’s linear motion. However, each drive type is more suited to particular applications than others, depending on a few key factors.

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Posted by Nick Holmgard on Tue, May 03 2016 @ 8:30 AM

Webinar: tips on electric rod actuator selection

When you’re called on to specify electric linear actuators, one of the critical decisions you’ll face is whether to use a rodless or rod-style model. Either actuator type has advantages and disadvantages.

In general, if the actuator has to carry a load, a rodless product is what you need.  However, if a load needs to be pushed or pulled, select a rod-style actuator. 

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Posted by Aaron Dietrich on Tue, Apr 05 2016 @ 8:30 AM

Linear actuators help prevent food contamination

How FSMA affects linear actuator selection

Until recently, the food processing industry has handled contamination reactively. If a foodborne illness was traced back to contamination at a manufacturing plant, the FDA (Food and Drug Administration) had the manufacturer fix the problem.

The flaw in this system, though, was that most of these illnesses were preventable. The Centers for Disease Control and Prevention estimates that 48 million people (1 in 6 Americans) get sick, 128,000 are hospitalized, and 3,000 die each year from foodborne diseases. That makes food contamination a major public health issue.

The federal government stepped in to change the way the FDA and food producers operate with the Food Safety Modernization Act (FSMA) – signed into law in January 2011. This important legislation shifts the focus to preventing contamination problems instead of just responding to them.  FSMA affects all automation components used in the industry, including linear actuators.

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Posted by Nick Holmgard on Tue, Feb 23 2016 @ 8:30 AM

Rodless electromechanical linear actuator selection: A webinar

Rodless or rod-style linear actuator? It’s a basic and critical decision point for any machine designer. Consider the specifics of your application. Either actuator type has advantages and disadvantages. In general, if a load needs to be pushed or pulled, select an electric rod actuator. However, if you need an actuator to carry a load, a rodless product is what you need. Want to reduce the complexity of a linear motion system? A rodless electromechanical linear actuator can eliminate the need for load-bearing and guiding elements. Also, a rodless actuator can reduce the footprint of a system since its stroke lies completely within its body.

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Posted by Aaron Dietrich on Tue, Jan 12 2016 @ 8:30 AM

Linear actuator article round-up

Linear actuators are important pieces of industrial automation equipment. Without them parts wouldn’t move into place for the next production step, finished goods wouldn’t get to the right palate, and tools might not reach the spot they need to be in to do their work.

A lot rides on these automation components, so engineers need to know as much about them as they can. At Tolomatic linear motion is our core expertise.  We watch what’s written in key trade publications. Here’s a round-up of recent articles that will help you learn more about linear motion.

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Posted by Nick Holmgard on Tue, Dec 15 2015 @ 8:30 AM

Integrated linear actuator increases manufacturing efficiency

Production cost and efficiency are important considerations in all manufacturing, but these factors take on critical status in some segments. Small-engine production is one of these.  Using the right linear actuator can boost efficiency and reduce cost.

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Posted by Aaron Dietrich on Tue, Oct 13 2015 @ 8:30 AM

Electric linear actuators and motors. Getting the right fit.

An electric linear actuator can outperform a pneumatic model with superior control of speed, position, and force as well as provide better accuracy and repeatability. But that superior performance comes with complexity. Pneumatic cylinders commonly are simple, easy-to-understand components, while electric linear actuators are systems comprised of a motor, controller, cables, and actuator. Plus attaching a motor to an actuator usually requires some kind of adaptor or housing.

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