Latest Pneumatics & Hydraulics Technical Articles

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Industrial Robot End-of-Arm Tooling Comparison and Selection

Industrial Robot End-of-Arm Tooling Comparison and Selection

Most grippers are powered by either air or electricity. Learn about the questions and factors an engineer should consider to make the best decisions while selecting a gripper to use for unique applications.


Fundamentals of Hydraulic Pumps: Types and Operating Principles

Fundamentals of Hydraulic Pumps: Types and Operating Principles

Hydraulic pumps take energy from a source, usually an electric motor or combustion engine, and turn it into a usable force to complete work. What kind of hydraulic pumps exist, and how do they work?


Introduction to Transfer Functions for Control System Analysis

Introduction to Transfer Functions for Control System Analysis

Transfer functions allow systems to be converted from non-algebraic time measurement units into equations that can be solved, but how do these functions work, and why do we use them?


Pneumatic Cylinders Used for Industrial Automation

Pneumatic Cylinders Used for Industrial Automation

Engineers face a common challenge of moving objects from one point to another, especially in a production line. This article will introduce the pneumatic cylinder as used in industrial automation.


Joystick Controls: How Do You Use Them For Automated Systems?

Joystick Controls: How Do You Use Them For Automated Systems?

We usually think of joysticks in terms of video game controllers, but they exist in all kinds of industrial systems: heavy equipment, overhead cranes, and even some robotic controls. But how do they work?


Hydraulic Accumulators: What Are They and Why Do We Need Them?

Hydraulic Accumulators: What Are They and Why Do We Need Them?

Hydraulic systems suffer from pressure drops and energy loss whenever any fluid is in motion. Learn about these devices called ‘accumulators’. What are they, how do they work, and why do we need them?


Introduction to Sequence Valve Control in Fluid Flow Systems

Introduction to Sequence Valve Control in Fluid Flow Systems

Fluid flow control is often crucial to control systems and can be achieved by incorporating control valves. In this article, we will look at the sequence valve and its use in systems to automate fluid flow.


Pressure Sensor Fundamentals and Types

Pressure Sensor Fundamentals and Types

Pressure sensors are essential tools in industrial applications, required wherever there is a hydraulic or pneumatic system to keep pressure quantities under control.


Fluid or Electric Power? Understanding Hydraulic and Pneumatic Motors

Fluid or Electric Power? Understanding Hydraulic and Pneumatic Motors

There are many different kinds of electric motors used for industrial power transfer, but there are also hydraulic and pneumatic motors that can lend advantages in some situations.


Understanding Thermal and Pressure Safety Valves for Fluid Flow Systems

Understanding Thermal and Pressure Safety Valves for Fluid Flow Systems

Safety is a concern in any system containing potential energy, whether electrical, chemical, or fluid. Each has methods of protection, and for fluid systems, certain shutoff valves are used in situations when excess pressure can be a problem.


Introduction to Basic Three-Phase Motor Control Circuits

Introduction to Basic Three-Phase Motor Control Circuits

Large motors require a circuit to turn on and off. This may be as simple as a single on/off drum-type switch or as elaborate as a VFD unit. Learn about some common control circuit designs for typical three-phase motor requirements.


What is Proportional Gain?

What is Proportional Gain?

This article discusses the meaning and effects of proportional gain in a controlled system such as motion, temperature, and fluid flow.


Not Just Another IIoT Article: MQTT for Pneumatic Cylinder Maintenance

Not Just Another IIoT Article: MQTT for Pneumatic Cylinder Maintenance

IIoT is a daunting topic due to ambiguous interactions of hardware and software. This article outlines the basic steps to use an MQTT broker to collect the number of cycles from a pneumatic cylinder for PM software.


Safety Devices - The When, How, and Why

Safety Devices - The When, How, and Why

Machine safety design can be a daunting task with all the different safety devices on the market today. Choosing the correct device for your design can be made easier by understanding when to use the proper device.


Comparing Parallel Circuits: Practical vs Theoretical Electrical Systems

Comparing Parallel Circuits: Practical vs Theoretical Electrical Systems

We are taught that parallel circuits maintain equal voltage across all branch resistors, equally sharing the source voltage. But reality is often far from ideal, and individual devices certainly impact the rest of the circuit.


Types of Actuators: Comparing Pneumatic vs. Electric Actuators

Types of Actuators: Comparing Pneumatic vs. Electric Actuators

Actuators are used to control the motion of manufacturing devices and raw materials. This article will compare electric actuators and several types of fluid-power actuators.


Teardown: What’s Inside a 3-Phase Induction Motor?

Teardown: What’s Inside a 3-Phase Induction Motor?

Coil, field winding, rotor, stator, eddy current… When it comes to motors, there are numerous terms that describe the theory of operation, but what is inside a 3-phase motor? Take a look, and learn how they work.


Teardown: What’s Inside a Pneumatic Solenoid Valve Bank?

Teardown: What’s Inside a Pneumatic Solenoid Valve Bank?

Air power drives a lot of modern equipment. Robot grippers, ejectors, actuators, and rotary tables are just a few of the devices controlled by air. What’s inside those banks of solenoid valves, and how do they work?


Proportional Gain and Proportional Band Explained

Proportional Gain and Proportional Band Explained

Learn about proportional gain and proportional band, two key proportional control concepts, to better understand the most popular control system method in industrial automation.


Feedback for Fluid Cylinders: Bang Bang Control

Feedback for Fluid Cylinders: Bang Bang Control

Tracking the position of a hydraulic or pneumatic cylinder is often accomplished at a basic precision level, detecting only end stop limits with discrete digital values… But what methods accomplish this?