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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 do accumulators improve system performance?

September 1, 2017 By Ken Korane

Hydraulic accumulators are pressure vessels that store and discharge energy in the form of pressurized fluid. In essence, potential energy is stored in a compressed gas and released on demand to force oil from the accumulator and into the circuit. Here are some important benefits accumulators provide, and how they make hydraulic systems better. Energy […]

Filed Under: Engineering Basics, Featured, Mobile Hydraulics Blog

What is a linear position sensor?

August 30, 2017 By Mary Gannon

Rota,-ELA-cylinder-cutaway-hall-effect-linear-position sensor

Several technologies exist to provide position feedback or data of a cylinder’s position. Linear position sensors convert the position into a proportional analog or digital signal. LVITs—Linear Variable Inductive Transducers—are contactless position sensing devices, with sensing ranges up to 30 inches or more. Most designs feature an inductive probe surrounded by a conductive tube. This is […]

Filed Under: Components, Engineering Basics, Featured, Sensors / Gages

How does a hydraulic accumulator work?

August 1, 2017 By Ken Korane

Accumulators-Inc-bladder-accumulators

Hydraulic accumulators are energy storage devices. Analogous to rechargeable batteries in electrical systems, they store and discharge energy in the form of pressurized fluid and are often used to improve hydraulic-system efficiency. An accumulator itself is a pressure vessel that holds hydraulic fluid and a compressible gas, typically nitrogen. The housing or shell is made […]

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

The ins and outs of piggy-back hydraulic cylinders

July 24, 2017 By Ken Korane

Texas-Hydraulics--piggyback-cylinders

Piggy-back cylinders, as the name implies, are two opposing hydraulic cylinders mounted with the bodies on top of each other. Taking advantage of this configuration enables a longer stroke from a relatively short overall length. They’re somewhat similar to familiar telescoping cylinders, where several cylinder stages are built inside of one another, and the unit […]

Filed Under: Components, Cylinders, Engineering Basics, Featured Tagged With: texashydraulics

Load-holding valves made simple

May 19, 2017 By Mary Gannon

Eaton Load-holding valves

Load-holding valves, or counterbalance valves, are simple devices but critical to mobile machine stability and cost. Contributed by Todd McIntryre, Global Planning and Strategy Manager, SiCV, Eaton Load-holding valves, which are also known as counterbalance valves, are a small but important part of any mobile machine. Though they are simple in design, their application can often […]

Filed Under: Components, Engineering Basics, Featured, Mobile Hydraulics Blog, Valves / Manifolds Tagged With: Eaton

How much hydraulic safety awareness do you have?

April 26, 2017 By Mary Gannon

Hydraulic safety knowledge and respect for the hazards of hydraulics is gained through training and mentoring; however, the practice of learn as you go is an unacceptable way to gain safety knowledge. Even though electrical components meet standards, when they are assembled into a circuit, the circuit must be inspected to meet codes of the […]

Filed Under: Engineering Basics, Hydraulic Fluids, Mobile Hydraulics Blog Tagged With: hydraulictrainingassociates

How can you keep your mobile machine running efficiently? Part 2

February 24, 2017 By Mary Gannon

mobile-time-bucket-curl

Using a scientific approach to mobile machine maintenance helps technicians have a better handle on the fundamentals of hydraulic components. By Carl Dyke, CD Industrial Group Inc. Last November, we delved into system-specific maintenance tips to ensure the hydraulics on your mobile machine runs at its highest performing levels. We continue this discussion with a look at more […]

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

What is flow sharing?

February 23, 2017 By Mary Gannon

excavator1

By Josh Cosford, Contributing Editor Flow sharing is a method of pressure compensation allowing all channels of metered fluid to take proportional allocation of flow regardless of total pump output. Flow sharing prevents fluid from taking the path of least resistance. To explain, first consider that you have two directional valves with flow controls plumbed […]

Filed Under: Engineering Basics, Featured, Mobile Hydraulics Blog

What is pressure compensation?

December 22, 2016 By Josh Cosford

Prince-2040-2041-Flow-Control

You’ve been around hydraulics a while, haven’t you? With that in mind, you probably take some things for granted. There is plenty of jargon in our industry, and it isn’t learned overnight. However, if you were like me, the term pressure compensation was difficult to grasp early in your hydraulic career. If you still don’t […]

Filed Under: Components, Engineering Basics, Featured, Mobile Hydraulics Blog, Valves / Manifolds Tagged With: prince, Prince Hydraulics, princehydraulics

How can you keep your mobile machine running efficiently? Part 1

December 1, 2016 By Mary Gannon

layersofdirtbackhoe-feat

Learning how to properly maintain your hydraulic system with precision will help support a high-performance, well-functioning machine. By Carl Dyke, Contributing Editor Half of the battle in hydraulic system troubleshooting is knowing exactly what ‘normal’ is. It’s hard to diagnose a component or a section of a system without knowing normal parameters, such as: Speeds Pressure Valve […]

Filed Under: Components, Engineering Basics, Featured, Hydraulic Equipment Components, Hydraulic Primers, Mobile Hydraulics Blog Tagged With: cdindustrialgroup

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