Expert Columns: Page 24

Read the latest from our collection of expert columnists and contributors.
Expert Columns
Guidelines for Expert Columnists
Interested in submitting an article to OEM Off-Highway? Follow these guidelines to have your piece considered for publication on oemoffhighway.com or in an upcoming e-newsletter.
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Construction
The Evolution of the Skooper
Historical Construction Equipment Association (HCEA)
The Koehring Skooper is considered the first heavy-duty hydraulic front shovel machine in the American market, but where did the idea come from?
A Koehring 205 Skooper used cables for hoisting and hydraulics for bucket reach, breakout and dump.
Electronics
The beneficial electric throttle
Thomson Industries Inc.
Electric throttle actuators create an easy way to increase the efficiency and functionality of equipment with mechanical diesel engines.
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Transmissions
A new safety analysis methodology
Flanders Make
After close analysis of problems arising within SIL quantifiers, a new component-based methodology emerged.
The use case is a control system of a transmission. The inputs to this control system are (i) a switch to set the gear in forward, neutral or reverse, and (ii) a switch for up and down switching. Two safety functions are defined. In the safety analysis of these safety functions, Dana needs to perform SIL quantification on the control hardware. A simplified system concept for the controller is seen above.
Expert Columns
Guidelines for Expert Columnists
Interested in submitting an article to OEM Off-Highway? Follow these guidelines to have your piece considered for publication on oemoffhighway.com or in an upcoming e-newsletter.
Oem Logo2019
HVAC
A flameless HVAC for the long haul
HVAC manufacturer designs extended life, high-efficiency flameless heating and cooling system.
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Market Analysis
Constructing the Europe of tomorrow
The European construction equipment market has good prospects for 2015 as its recovery continues, though to what extent is still unknown.
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Market Analysis
The first large American hydraulic excavators
Historical Construction Equipment Association (HCEA)
Originally marketed as a trenching machine, the hydraulic backhoe's capabilities as a mass excavating machine took years to be realized.
A Koehring 505 Skooper loads out a Euclid end dump.
Expert Columns
Guidelines for Expert Columnists
Interested in submitting an article to OEM Off-Highway? Follow these guidelines to have your piece considered for publication on oemoffhighway.com or in an upcoming e-newsletter.
Oem Logo2019
Fluid Power
The First Hydraulic Excavators
Historical Construction Equipment Association (HCEA)
Using four steam cylinders and no cables or chains, the design eliminated cylinder shock and damage when working at high speed.
The photograph in this advertisement clearly shows the steam cylinder that raised and lowered the dipper stick. The second cylinder, which powered the crowd function, is barely visible inside the boom between the hoist cylinder and the boom tip.
Emissions Control & Exhaust Systems
Mining for engine technology
To close the thermal efficiency gap from 45% to the goal of 55% set by the DOE, engine manufacturers must continue to seek new technology solutions.
Mining For Engine Tech Axis 5458f27cad9d7
Fuels & Fluids
CNG for trucking, today and tomorrow
A look at the current CNG challenges being faced by on-highway vehicles and the solution providers working to make CNG a feasible and economical energy solution.
McNeilus is a leader in the CNG refuse truck market with several different platforms and vehicles using CNG fuel.
Engines
Off-highway emissions control legislation gains traction – are you prepared to meet demand?
Integer Research
The off-highway sector must consider new emerging economies and their infrastructure needs when determining its technological course of action for tackling new emissions challenges and regulations.
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Market Analysis
A niche opportunity in seeders
ContiTech North America, Inc.
Row condition variability provides a specialized need for precision seeding.
Air Actuator Conti Tech 54334b72cb5f3
Market Analysis
Farm tractor market forecast: A tale of two or more markets, not one
Manfredi & Associates
Farm tractor sales expected to be up and down for the rest of 2014 and into 2015.
Total tractor sales (blue) with Housing Starts (red)
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