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Posted by Aaron Dietrich on Tue, Jun 12 2018 @ 8:30 AM

How to ensure low cost linear motion

“People want to save money on their industrial automation systems,” says captain obvious.  Equally obvious is the fact that no one wants to reduce output or product quality to save a buck. So how does a machine designer accomplish this? Save money without sacrificing performance and quality?

One way to ensure affordable automation systems and, specifically, low cost linear motion, is to stop looking at purchase price only and start thinking long term. Consider the total cost of ownership (TCO) of the equipment.

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Posted by Aaron Dietrich on Wed, May 30 2018 @ 8:30 AM

Keeping it clean: hygienic linear actuators for food safety

Cleanliness is serious business in food processing.  The potential for contamination by microbes, chemicals and other foreign substances is real and always present. And food residue can be hard to eliminate. Keeping processing equipment clean makes good business sense. (Nobody wants their brand associated with foodborne illness.) Plus, the Food Safety Modernization Act (FSMA) makes it part of the law of the land. Food processors rely on their equipment to withstand the rigors of the processing environment. That’s especially true for hygienic linear actuators for food safety.

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Posted by Ryan Klemetson on Tue, May 15 2018 @ 8:30 AM

Electric valve actuators: The best choice for process control

Process engineers have several choices when it comes to actuators for rising stem valves – manual, pneumatic, hydraulic and electric. Manual actuators satisfy simple on-off needs.  Pneumatic valve actuators are fast and low cost. Hydraulic systems can be a solution for high force applications and remote installations. For critical process control applications, though, electric valve actuators can deliver what process engineers are striving for - increased productivity, greater efficiency and less downtime.  In other words, electric actuators improve processes and save money.

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Posted by Aaron Dietrich on Tue, May 01 2018 @ 8:30 AM

Chilly or scorching: linear servo actuator works in all temps

Machine designers know the problems hydraulic cylinders have in cold and hot weather – sluggish response due to thicker oil on the one hand and extensive maintenance downtime on the other caused by frequent seal failure. Plus, there’s the always-present threat of a costly fluid leak. An electric linear servo actuator can solve these challenges and lower operating costs at the same time.

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Posted by Aaron Dietrich on Tue, Apr 17 2018 @ 8:30 AM

What to consider: electric actuators for food and beverage processing

Keeping things clean is a top concern in food and beverage processing operations because food safety is crucial.  The Food Safety Modernization Act (FSMA), with its emphasis on preventing foodborne illness, puts even more pressure on food producers. Machine designers who serve this industry need to incorporate components that meet the industry’s demands. When it comes to electric linear actuators, there are several things a design engineer needs to consider, especially if the machine will be subjected to periodic washdowns. 

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Posted by Aaron Dietrich on Tue, Apr 03 2018 @ 8:30 AM

Stainless steel linear actuators stand up to corrosion, tough conditions

Machine designers who develop systems for harsh environments often need corrosion resistant components, including stainless steel linear actuators, to stand up to challenging environmental conditions. Corrosive agents, moisture and dust in manufacturing environments impact the performance and life of automationn components.  Dust and debris may enter housings causing wear. Moisture may short electrical connections.  Corrosive agents can eat away at housings, seals, fasteners and more. For confirmation that a component will stand up to environmental factors, we recommend the IP (International Protection or Ingress Protection) rating system.

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Posted by Patrick Hobart on Tue, Mar 20 2018 @ 8:30 AM

Hush! Minimizing noise in electric linear motion systems

Under most circumstances electric linear motion systems are quiet.  They certainly don’t create the hissing and bang-bang noises associated with pneumatic systems. However, there’s another type of noise that comes with electric systems of all types – electrical noise or interference.

This is a common occurrence caused by random fluctuations in electrical signals. If the amplitude gets high enough, electrical noise can disrupt the operation of devices like electric linear actuators.  The results can be anything from erratic movements to complete system failure.

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Posted by Aaron Dietrich on Thu, Mar 08 2018 @ 8:30 AM

Electric servo actuators and welding robots build better autos faster

Robots are well-suited to high-volume processes like welding auto bodies because they can work quickly and consistently. Using electric servo actuators makes faster speeds and consistent weld quality possible while reducing costs.

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Posted by Aaron Dietrich on Tue, Feb 20 2018 @ 8:30 AM

Electric linear motion. Selecting linear actuators.

Linear actuators are familiar components in many factory automation systems. They’re one of the usual suspects in any line-up of linear motion components.

There’s a lot riding on specifying the right linear actuator for the task. Choose well and it’s smooth sailing. The actuator performs without a glitch for a long time. Choose the wrong one, and it’s a bumpy ride. You can wind up with break-downs and poor product quality.

 

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Posted by Scott Klar on Tue, Feb 06 2018 @ 8:30 AM

Motor selection for electric linear motion. Stepper vs servo

An electric linear motion system needs a motor. Unlike pneumatic cylinders that are powered by a central air compressor, electric linear actuators are powered by electric motors. The mechanisms in the actuator convert the motor’s rotary motion into linear motion. Machine designers can choose either servo or stepper motors for their electric linear actuator applications.

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