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Mobile Hydraulic Tips focuses on pumps, fittings, valves, manifolds and other products and news in the Mobile Hydraulics industry.

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Engineering Basics

How to specify pressure sensors for hydraulic applications

April 8, 2021 By Mary Gannon

sensata pressure sensors hydraulic applications

Learn about common challenges and key specifications to consider when selecting pressure sensors for hydraulic systems with pressures greater than 50 bar (725 psi). Contributed by By Daniel Mullen, Product Manager, Sensata Technologies Pressure sensors are critical components in fluid power systems, where they are used in a control loop with a Program Logic Controller […]

Filed Under: Components, Engineering Basics, Featured, Sensors / Gages Tagged With: sensata

When should you use rotary actuators?

March 23, 2021 By Mary Gannon

Rotary-Actuator-1

Rotary actuators, in many cases, are a hybrid of linear and rotary actuators. Of course, in the fluid power realm, linear and rotary actuators are more affectionately referred to simply as cylinders and motors, respectively. A cylinder creates linear force when pressure acts up its piston’s surface area, while a motor creates rotational force when […]

Filed Under: actuators, Components, Engineering Basics, Mobile Hydraulics Blog

How does hydraulic cylinder repair work?

March 9, 2021 By Mary Gannon

Hydraulic cylinder repair services. Image courtesy of Hydraulex

By Josh Cosford, Contributing Editor When well cared for, hydraulic cylinders should last decades. So long as they were designed for their application — meaning they perform within the bounds of their environment — there should be no reason for damage or wear outside of regular use. The mount, rod and raw material should have […]

Filed Under: Components, Cylinders, Engineering Basics, Featured

What are the most common hydraulic cylinder piston rod problems?

January 26, 2021 By Mary Gannon

common hydraulic Cylinder piston rod problems

By Josh Cosford, Contributing Editor It would help if you never underestimate the importance of your cylinder rod. The rod is not just the object transmitting the force from the cylinder’s piston but also the interface between that cylinder and your machine. Before you can correctly select and then design the piston rod, you must […]

Filed Under: Components, Cylinders, Engineering Basics, Featured, Mobile Hydraulics Blog

How do you safely precharge an accumulator?

September 26, 2019 By Mary Gannon

Freudenberg's accumulator charge kit

By Josh Cosford, Contributing Editor When high-pressure hydraulics fail, the result is often a whimper as a seal blows out and pressure decays to useless levels. The harm to the surrounding environment and spectators is often little or none, which is why high-pressure hydraulic systems are so popular. However, when high-pressure pneumatic systems fail, you […]

Filed Under: Accumulators, Components, Engineering Basics, Featured

What are flow control valves?

September 17, 2019 By Mary Gannon

Hydac Flow Control

In the collection of hydraulic valve components, flow control valves are any device manufactured for the purpose of modifying the rate of fluid flow in a portion of a hydraulic circuit. Flow variability occurs through the adjustment of the effective orifice size inside the valve, and this is achieved through various techniques based upon the […]

Filed Under: Components, Engineering Basics, Valves / Manifolds

How do relief valves work?

July 23, 2019 By Mary Gannon

Kepner inline relief valves

By Josh Cosford, Contributing Editor It seems like a question with an easy answer, but you’d be surprised how often people ask, “how do relief valves work?” We in the fluid power industry take our knowledge for granted, but each and every one of us was at some point ignorant of literally every hydraulic component […]

Filed Under: Components, Engineering Basics, Valves / Manifolds

What is the difference between fixed and variable pumps?

May 9, 2019 By Mary Gannon

Hydraulic-Pumps-2

For novices in the fluid power industry, lack of understanding between the fixed flow and variable flow pumping concepts is quite common. A hydraulic pump has one mission, and that is to transform incoming mechanical energy at its shaft into hydraulic energy capable of transferring force to actuators somewhere downstream. This transfer of force is […]

Filed Under: Components, Engineering Basics, Pumps / Motors

Telematics offers high-value solutions for industry

October 19, 2018 By Mary Gannon

CD Industrial telematics garbage compactor

Telematics facilitates the exchange of rich data to and from mobile or remote machinery, helping to streamline maintenance and costs. Contributed by Carl Dyke, CD Industrial Group Inc. How can the owner of a fleet of cranes avoid the daily worries about whether the machines are being operated and maintained for safe performance? Is there […]

Filed Under: Engineering Basics, Featured, Mobile Hydraulics Blog Tagged With: cdindustrial, cdindustrialgroup

Hydraulic symbology 102: understanding basic fluid power schematics

October 10, 2018 By Mary Gannon

Hydraulic symbology Accumulator Types

By Josh Cosford, Contributing Editor Back in August of 2017, you saw my article Hydraulic symbology 101: Understanding basic fluid power schematics (read it here first, if you haven’t already). I covered basic constituent lines, shapes and their respective symbols. Due to space constraints, I left out some of the major components represented by symbols […]

Filed Under: Engineering Basics, Featured, Mobile Hydraulics Blog

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