Latest Pneumatics & Hydraulics Technical Articles

When setting up a system for the first time, the process can seem complex and daunting. However, there are tools…

When setting up a system for the first time, the process can seem complex and daunting. However, there are tools available to make the job much easier before commissioning.

Fluid control valves rely on the opening and closing of internal passageways to direct the flow of power. But what do…

Fluid control valves rely on the opening and closing of internal passageways to direct the flow of power. But what do they look like inside, and how do these ‘valve spools’ actually work?

Electrical control holds many advantages over fluid power with precise control, feedback, and a lower-maintenance system.…

Electrical control holds many advantages over fluid power with precise control, feedback, and a lower-maintenance system. But how do electric actuators work, and how do they stack up against fluids?

What is pressure? Everybody knows about this important quantity, but how do you define it? How do you measure it? Where…

What is pressure? Everybody knows about this important quantity, but how do you define it? How do you measure it? Where does it come from? In this article, we’ll learn about the basics of pressure.

Knowing what kind of control system to use: that’s a question that must be answered before setting up the factory…

Knowing what kind of control system to use: that’s a question that must be answered before setting up the factory floor. Why would someone choose pneumatic over electrical controls?

In order to trace control system problems to the core, the ability to read and interpret various resources, from…

In order to trace control system problems to the core, the ability to read and interpret various resources, from facility-level diagrams to machine-level wiring layouts, is critical.

This article looks at vacuum ejectors and vacuum pumps, specifically outlining the difference between single and…

This article looks at vacuum ejectors and vacuum pumps, specifically outlining the difference between single and multi-stage versions of each type, and common applications.

Controlling the startup of a motor not only reduces the wear on the motor, but eases the burden on the electrical supply,…

Controlling the startup of a motor not only reduces the wear on the motor, but eases the burden on the electrical supply, reducing infrastructure demands and the running cost of industrial loads.

Pressures are always rising and falling in fluid systems. Sometimes the changes are extreme and lead to damage. What…

Pressures are always rising and falling in fluid systems. Sometimes the changes are extreme and lead to damage. What causes problematic pressure changes, and how can you trace them to their source?

Hydraulic cylinders and actuators can quickly move heavy objects and provide strong clamping forces. But when they break…

Hydraulic cylinders and actuators can quickly move heavy objects and provide strong clamping forces. But when they break down, the effects can be catastrophic and the repairs costly and timely.

There are two types of winding designs inside three-phase industrial motors: Wye and Delta. Although the motors and…

There are two types of winding designs inside three-phase industrial motors: Wye and Delta. Although the motors and connections look similar on the outside, this article discusses the internal construction for Delta wound motors.

Sequential function charts (SFCs) are a great tool when processes require sequence control, but things can get…

Sequential function charts (SFCs) are a great tool when processes require sequence control, but things can get complicated fast. Here are some ways to create better SFC programs and applications.

Function block diagram (FBD) programming is a common language for PLCs following the IEC 61131 standard. What is FBD, and…

Function block diagram (FBD) programming is a common language for PLCs following the IEC 61131 standard. What is FBD, and how does it differ from the familiar ladder logic programs?

From forest to felling, logging road to mill, finished lumber’s adventure on its way to market is filled with control…

From forest to felling, logging road to mill, finished lumber’s adventure on its way to market is filled with control and automation. Learn about the process from start to finish and how lumber mills ensure the world has access to high-quality lumber thanks to control technology.

Some workplaces are more dangerous than others, not because of the practices, but rather the products. Where do…

Some workplaces are more dangerous than others, not because of the practices, but rather the products. Where do explosions occur, and what practices exist to reduce such risk for equipment and workforce?

Triggering a machine by an external event often requires a pulse timer for OpenPLC Pulse Timer control. Here’s a brief…

Triggering a machine by an external event often requires a pulse timer for OpenPLC Pulse Timer control. Here’s a brief tutorial on how an M5Stack Core can offer a simple, effective low-cost Arduino OpenPLC HMI solution.

Directional control valves (DCVs) come in many shapes and sizes for pneumatic and hydraulic applications. Learn to…

Directional control valves (DCVs) come in many shapes and sizes for pneumatic and hydraulic applications. Learn to distinguish the different configurations and the meaning of external markings.

Compliance and compensator devices are used in processes where variation and uncertainty are prevalent. What sorts of…

Compliance and compensator devices are used in processes where variation and uncertainty are prevalent. What sorts of compliance devices are used, and what distinct advantages are held by each?

Implementing PID control in a PLC is far more complicated than textbooks would make it appear. There is more to the…

Implementing PID control in a PLC is far more complicated than textbooks would make it appear. There is more to the process than simply picking gain (k) values and calculating an output value.