Test Your Skills
Each month Fluid Power Journal brings you an industry problem with a solution the following month.
Test Your Skills: Considering Component Capability
Some fluids with very good lubricity and viscosity characteristics may prove caustic to the material in pumps, actuators, or valves, especially when hot. There …
Test Your Skills: Opening Up About Closed Loop Control
When accuracy and repeatability are important to a process, such as when an actuator is required to follow a predetermined position profile, a closed loop …
Test Your Skills: The Application of Fluids
Selection of viscosity must be made with the normal operating temperature of the machine in mind. The temperature is usually measured at the pump. The correct …
Test Your Skills: Application of Proportional Valves
There are many applications for proportional solenoids in the control of hydraulic pressure and flow in both mobile and industrial applications. The terms …
Test Your Skills: Types and Applications of Compressors
The generic term “supply side” is often used to refer to the complete package that includes the compressor, drive motor, and associated hardware, as well …
Test Your Skills: Hydrostatic Transmissions
The transmission of force through a contained hydraulic fluid (hydrostatics) will fall into one of two categories: open circuit or closed circuit. An open …
Gas-Charged Hydraulic Accumulators
Accumulators are pressure vessels and are subject to the American Society of Testing Materials standards in addition to the International Standards …
Stopping a Load with a Shock Absorber
It is common practice to position shock absorbers to cushion loads attached to air cylinders, rather than to subject the air cylinders to shock loading …
Recognizing Misaligned Cylinders
Misalignment of a cylinder occurs when the load is not applied along the centerline of the rod. Many applications have a small amount of inherent misalignment …
Linear Displacement Sensors
The first factors to consider when selecting linear displacement sensors are the mechanical interface, dimensions, contact, noncontact, and environmental …
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