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Hallen Specialties Inc.: Idler replacement bracket
A new belt conveyor idler replacement bracket from Hallen Specialties Inc. helps reduce downtime due to damaged idler frame roller center supports. The replacement bracket eliminates the need to replace the entire frame when a center support fails. The replacement procedure is relatively easy and can be completed in about 20 minutes, the company says. The replacement brackets are available as a one piece unit to repair/replace both roller center supports and as a single bracket to repair/replace only one side of a damaged roller center support. HallenSpecialties.com Keep Reading
Terex Finlay: J-1170
The Terex Finlay J-1170 primary mobile jaw crusher has a 44-in. x 28-in. chamber that provides material reduction and product sizing. The jaw chamber is available with optional hydraulic release – a feature Terex says is useful when crushing construction and demolition debris. The hydraulic release option has an automatic overload protection system to prevent damage by uncrushable items in the feed material. Hydrostatic transmission of the chamber offers operators reversible operation in the event of blockage. The hydrostatic system also provides variable chamber speed to suit given applications. Additionally, the machine has a heavy-duty variable speed vibrating grizzly feeder with integrated pre-screen that provides an aggressive action to separate fines material efficiently. The feeder ensures continuous choke feeding of the crushing chamber for optimal productivity. Terex.com Keep Reading
Komatsu America Corp.: WA470-7 wheel loader
The WA470-7 wheel loader from Komatsu America Corp. is interim Tier 4 certified with a 272-hp Komatsu SAA6D125E-6 engine. The company says fuel consumption has decreased by about 8 percent over the WA470-6 wheel loader. This new model weighs 52,007 lbs. and features improved efficiency, improved operator comfort and enhanced serviceability. It is equipped with the latest Komtrax technology, which is integrated with Komatsu’s Tier 4 technology. Information such as operating hours, fuel consumption, location, cautions and maintenance alerts are wirelessly relayed to a secure website for analysis. The WA470-7 also has a large capacity torque converter with lockup that provides improved acceleration, faster hill climb ability, a higher top speed and lower fuel consumption. This function activates in second, third and fourth gears, giving the machine a maximum ground speed of 23.8 mph. KomatsuAmerica.com Keep Reading
Sandvik: QH440 crusher
Sandvik has expanded its mobile crushing line with the introduction of the QH440, a track-mounted cone crusher. At the center of this new model is the company's CH440 cone crusher, which has been used in static applications for more than 50 years. The CH440 can process material up to 84 in. and is capable of producing up to 388 tph. Key features include a heavy-duty, wear-resistant, hydraulically folding feed conveyor; a dual-coil metal detector; automated material level feed control for maximum production, reduction and shape; and Cat C13 Tier 3A and 3B engines that both deliver 440 hp. The QH440 comes with a choice of six different crushing chambers, ranging from fine to extra coarse. Sandvik.com Keep Reading
Liebherr
The powerful T 282 diesel electric mining trucks are the pioneers with respect to payload capacity. The trucks transport up to 400 short tons, with a top speed of 40 mph. The T 282 C is a Liebherr integrated truck. The company incorporates proprietary components in strategic areas, specifically developed to serve the needs of the mining industry. The vertical integration philosophy advances supply chain coordination, and facilitates the allocation of resources according to customer’s needs. Liebherr’s T 282 C is engineered to be strong, durable, and lightweight. This mining truck enables reduced cycle times and offers the highest payload to empty vehicle weight (EVW) ratio in its class, according to the company. Liebherr.us Keep Reading
Dust Control Technology: DustBoss DB-100
The DustBoss DB-100 dust suppression unit from Dust Control Technology is engineered to deliver the power to reach the working face of an open cast mine or large quarry. The suppressor has a range of more than 300 ft., giving it ample reach to cover material stockpiles at significant heights. The unit stands nearly 10 ft. tall and can cover 280,000 sq. ft. from a single location. It uses a direct-drive fan motor and has no drive belts, diesel engines or complex worm gear systems that can present breakdown problems in difficult service environments. Fan motor bearing lubrication is recommended every 10,000 hours, while the oscillation motor is lubricated for life. DustBoss models are covered by a three-year, 3,000-hour warranty and satisfaction guarantee. DustBoss.com Keep Reading
Grasan: Portable crushers
Grasan offers standard and custom-built cone crusher plants in road-portable, pit-portable and stationary designs. Grasan says it can provide a variety of crusher brands or utilize a new or used cone crusher provided by the customer. All chassis frames are structurally engineered with high-strength, wide-flange steel beams for long, trouble-free service life. A variety of axle configurations are available to meet load requirements of the states in which the unit operates. Grasan can design a plant with cone only; cone with a discharge conveyor and/or a feed conveyor; or mount a scalping screen ahead of the cone. The company will build to customer specifications or custom-design to meet application requirements. Grasan.com Keep Reading
Azfab dewatering device
Azfab's new plate and frame press is a versatile dewatering device that can be used in high solids filtration applications. The device is hydraulically operated, has a programmable logic controller system and is designed to operate with a continuous press pressure of up to 15 bars, while producing up to 50 tons of cakes per hour. The machine is assembled in the United States, factory tested and delivered to jobsites as a finished machine. It eliminates the need for settling ponds, recovers wash water and fully compresses dry cakes for reuse or disposal. Azfab.com Keep Reading
Are there limits to growth?
By David Chereb Of course there are limits. But too often the discussion about limits occurs after we’ve had a few years of slow growth. Then we start releasing opinions and research articles about why this is the new normal. It’s bunk; it’s nothing more than an excuse so we don’t have to make tough choices or make difficult changes. The U.S. and Europe used to grow at over 3 percent/yr. Now both regions grow at less than 2 percent/yr. Why aren’t we growing at over 4 percent/yr.? Limits to growth Most limits are time dependent. That is, if you have a fixed amount of resources, then there are many limits in the short run about how much you can produce. I grew up in a farm family so it’s natural for me to use a farming analogy. If you have 100 acres of land and 1 million seeds, there is only so much you can produce that season. Even if you have 2 million seeds you won’t be able… Keep Reading
