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Viewing 10081 to 10110 of 10315
2008-06-19
Article
Komatsu America introduced the D39EX-22 and D39PX-22 crawler dozers during ConExpo 2008. Designed for work in general construction, site preparation, home building, forestry, and utility applications, the new machines feature a hydrostatic transmission (HST) and a new cab-forward design that improves operator visibility, machine balance, ride, and stability.
2008-06-19
Article
Two new crawlers recently added to Doosan Infracore’s lineup were featured as part of the company’s participation at ConExpo 2008. The new models—DX225 and DX255—feature an electronically optimized hydraulic system, next-generation Doosan engine, improved ergonomics and visibility, and reduced maintenance.
2008-06-19
Article
Cat has taken advantage of advances of both price and size in powerful semiconductors to provide its newly announced D7E track-type tractor with a brushless ac-electric-drive system. The D7E will ramp up in production and roll out into regulated markets next year, with the DR7 it is replacing to eventually be discontinued in North America.
2008-06-19
Article
Case Construction Equipment announced at ConExpo 2008 the expansion of its E Series wheel loader line with the addition of the 1221E articulating wheel loader. The new wheel loader features an electronically controlled U.S. EPA Tier-3-certified engine, a spacious cab designed for operator comfort and visibility, and streamlined maintenance.
2008-06-19
Article
J. W. Speaker’s model 700 work lamp features high-output LED technology for its light source that, according to the company, delivers more than twice the light of the previous generation LED work lamp.
2008-06-19
Article
Dassault Systemes' Abaqus 6.8 FEA software from SIMULIA helps engineers to lower costs and reduce cycle times through the realistic simulation of stress, impact, crush, fluid-structure interaction, thermal dynamics, and other complex behaviors of products, materials, and processes.
2008-06-19
Article
TGrid 5.0 from ANSYS is a pre-processor for fluid flow analysis that is used to create large unstructured tetrahedral and hex-core meshes for complex geometry.
2008-06-19
Article
Cole Hersee's SureStart automatic low-voltage disconnect (LVD) allows vehicles to start even if they've been left standing for weeks or are stopped and started many times a day.
2008-06-19
Article
Technology advances help to make equipment operators more comfortable--and more productive--in the field, in the pit, and on the job site.
2008-06-19
Article
Hydraulics may not seem to be at the forefront of the green movement, but the transition from fossil fuels to alternative power sources is creating many challenges for hydraulics companies. Evidencing the uncertainty that’s arising during this changeover, some equipment makers are looking at hydraulic technology as an alternative to electric-motor hybrids, while some hydraulic vendors are looking at electric motors.
2008-06-19
Article
Engineers who analyze combustion processes do not need more variables. However, biofuels, which have burning and performance characteristics that differ sharply from petrodiesel, will alter the way engines perform.
2008-06-19
Article
Emissions regulations are prompting changes in the backup generation market. Suppliers in all ranges of the gen-set market are rolling out efficient, clean-running stationary engines.
2008-06-19
Article
When several sensors are added throughout a vehicle, setup and calibration are far less of a problem than in the past. That is if off-highway test engineers use sensors that employ a standard that stores identification data on the sensor, bringing plug-and-play to the testing field.
2008-06-19
Article
When it came to entering the military market, International Truck and Engine found that speed and safety were as closely intertwined in vehicle design as they are in the animal kingdom. Using a modular technique shortened time until shipments while also enhancing safety.
2008-06-19
Article
One of the most unusual aspects of Caterpillar's upgraded M series motor graders was replacing the steering wheel and other controls with a joystick, reducing operator motion by 78%. The design features over 100 patents.
2008-06-19
Article
Hydraulic engineers who know a lot about fluid pressure and other topics may not understand the intricacies of the software that's transforming hydraulic systems. They'll still be able to create programs using a range of new tools coming from vendors.
2008-06-19
Article
Danaher Motion’s Torque Feedback Device combines tactile and position or velocity feedback with a steering wheel interface in a compact, IP66 rated package. This combination allows designers of electronic vehicle systems, personal mobility equipment, and other off-highway equipment to deliver the performance and maintenance benefits of electric or steer-by-wire systems, with the tactile response of a hydraulic system.
2008-06-19
Article
The designers of a diesel-electric locomotive that Vossloh Locomotives debuted in 2007 reduced the chassis weight by 25% by using high-strength steels. The result is a locomotive that the company says provides better transport economics, more evenly distributed axle loads with lower wear of the rails, and better protection for the driver, due to improved deformation properties in the event of a crash.
2008-06-19
Article
The TAD1650VE diesel engine from Volvo Penta is based on the company’s 9- and 12-L engines. The engine features Volvo Advanced Combustion Technology (V-ACT), which includes a flexible high-pressure fuel-injection system, an air management system with internal exhaust gas recirculation (EGR), and an enhanced electronic controller.
2008-06-19
Article
The battery-powered hybrid technology used throughout the automotive industry is making its way into the off-highway marketplace. Volvo Construction Equipment demonstrated a prototype of its L220F hybrid wheel loader at ConExpo, saying the vehicle can save fuel and extend engine lifetimes.
2008-06-19
Article
The ability to receive a real-time status report about what is happening with a trailer being towed by a vehicle fitted with a system that combines electronics, power switching, and connectors is edging closer to mass-production reality.
2008-06-19
Article
The trend in the marketplace for molded silicone rubber parts clearly favors the increased use of injectable liquid silicone rubber (LSR) due to its ease of processability, design versatility, excellent quality, and lower system costs. A new class of highly fluorinated LSRs provides added fuel, oil, and solvent resistance for the most demanding mobility applications.
2008-06-19
Article
Inprox Technology and NASA’s Glenn Research Center are developing silicon carbide (SiC)-based position sensors for potential uses in future turbine engine controls, ground-vehicle engine applications, and space flight. SiC electronics are capable of operating at temperatures as extreme as 600°C (1112°F).
2008-06-19
Article
Ecliptek, a supplier of frequency-control products to the electronics industry since 1987, is just one company to have embraced the fast-growing MEMS resonator timing market, including the EMO product family of programmable oscillators. The oscillators include 12 different product series encompassing four industry-standard package sizes and three supply voltages.
2008-06-19
Article
Composites have replaced metals in a wide range of applications, realizing considerable weight savings as well as associated cost and performance improvements. One factor that can limit the use of composites is their thermal or electrical conductivity properties. In particular, composites based on unidirectional tapes or 2-D laminates are often not suitable in areas where heat is generated.
2008-06-19
Article
Trimble, which provides GPS services to a number of off-highway equipment companies, is expanding its reach by adding control and monitoring capabilities. The complete system, the CCS900 compaction control system, includes a display with human machine interface, along with GPS hardware and an accelerometer.
2008-06-19
Article
Parker Hannifin’s Runwise technology is based on an energy recovery system that collects energy when brakes are applied and when the engine is idling, storing this energy in a hydraulic accumulator. The hybrid technology was developed in conjunction with Autocar, a garbage truck developer, but Parker is also examining systems that can be used in wheel loaders and other vehicles that often start and stop.
2008-06-19
Article
With a surface composed of tightly packed nanostructures that resemble tiny nails, thus the term “nanonails,” University of Wisconsin–Madison engineers and their colleagues from Bell Laboratories have created a material that can repel almost any liquid. But with a jolt of electricity, the liquid on the surface slips past the heads of the nanonails and spreads out between their shanks, wetting the surface completely.
2008-06-19
Article
Club Car’s newest electric vehicle, the Carryall 252 IQ Plus, incorporates the IQ Plus System, which provides 500 A and allows the vehicle's top speed to be customized between 5 and 17 mph. The high-output charger and eight 6-V battery configuration gives a range of up to 86 mi (140 km) on a single charge. For optimal performance, acceleration and motor-braking can also be customized.
2008-06-19
Article
Although it is the smallest Unimog, Mercedes-Benz claims that the U 20 it is just as capable as the larger models, sharing familiar features such as permanent all-wheel drive, single tires front and rear, differential locks, portal axles to maximize ground clearance, coil springs, power take-offs, and onboard dual-circuit common hydraulics. Standard equipment also includes an air-conditioned cab.
Viewing 10081 to 10110 of 10315