ConExpo-Con/Agg’s Top New Products
What happens in Vegas doesn’t always
stay in Vegas. Here are best and brightest introductions from the big
show.
Retrofittable VSI rotor
Sandvik Mining & Construction featured its new Sandvik Hurricane rotor, which is said to offer breakthrough benefits in
VSI autogenous rotor design. With four new rotor and wear parts design
patents pending, major improvements include the following: increased
rotor throughput of up to 30 percent for the same power draw; increased
uptime and availability due to reduced overall maintenance; fewer wear
parts required; increased commonality of parts that decreases stocking
requirements; and decreased vibration levels from the new design.
Pre-production hybrid wheel loader
Volvo Construction Equipment unveiled a
pre-production model of a hybrid wheel loader the company plans to
produce in 2009. The L220F is a 349-horsepower loader in the
7-cubic-yard class; the hybrid version includes an integrated starter
generator and an advanced battery that produces up to 515 foot-pounds of
torque and 67 horsepower. The machine’s parallel hybrid technology
improves fuel efficiency by virtually eliminating fuel used at idle and
by providing more torque at low engine speeds. The integrated starter
generator lets the engine shut down at idle and almost instantly
restarts it on demand by rapidly spinning the engine up to optimum
working speed with a burst of energy from the battery. The starter
generator also adds what Volvo calls a “massive electric torque boost”
to the engine, overcoming the diesel engine’s traditional problem of low
torque at low engine speeds. Volvo says the net result is more power,
better performance, and a 10-percent reduction in fuel consumption.
Efficient cone crusher
Metso Minerals rolled out its new cone crusher, the
Nordberg HP5. The second in an all-new series of high-performance cones,
it is designed to offer efficient production of high-quality end
products. The HP5 is said to produce much finer products with fewer
crushing stages, thereby saving energy and lowering costs. With a
combination of optimized speed and a large throw, the company says the
unit offers the highest reduction ratios of any cone crusher currently
on the market. Its efficient crushing action improves power consumption,
resulting in a lower kilowatt-hour per ton of crushed end product with
lower re-circulation load, according to Metso.
Largest hydrostatic wheel loader
Liebherr rolled out its new L 586 2plus2 wheel
loader, calling the 71,800-pound, 7.8-cubic-yard machine the world’s
largest hydrostatic wheel loader. The unit has a tipping load of 45,040
pounds. Liebherr says the 340-horsepower machine outperforms
higher-horsepower mechanical drive designs because of its advanced
hydrostatic drive system. The company says its hydrostatic machines are
up to 25 percent more fuel efficient than conventional drive machines,
and have as much as 25 percent less tire wear and virtually no brake
wear.
New jaw crusher debuts
McCloskey launched its heavy duty, track-mounted
C50 jaw crusher. Working in tandem with Telsmith, the company developed
a 50- by 26-inch single toggle jaw for the new unit. McCloskey, known
previously for its screening equipment, plans to bring a complete range
of jaw crushers, cone crushers, and impact crushers to the market. The
C50 has a 350 horsepower engine, 8.9-cubic-yard hopper, and is highway
transportable without oversize waivers.
Heavy-duty grease
Chevron rolled out its latest addition to the Delo
brand — Delo Heavy Duty EP. Designed for on- and off-highway
construction and maintenance vehicles as well as a wide variety of
off-road applications, the grease is formulated with the company’s
ISOSYN base stocks. It is said to display outstanding water washout and
spray-off resistance properties in wet, off-road environments and offer
excellent shock load extreme pressure protections, making it suitable
for use with pins and bushings on buckets, loaders, shovels, shaker
screens, crushers, and conveyors.
Streamlined installation tool
Flexco introduced its improved aluminum MSRT
installation tool designed for the company’s SR Fastening System. The
Aluminum MSRT Multiple Rivet Driving Tool is lightweight, portable, and
designed to assist the splice installer in harsh working environments
where heavy splicing equipment has to be moved regularly. The scalloped
design of the new tool’s riser plate is said to allow for fast, accurate
alignment of fastener strips on the anvil plate.
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