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Equipment Management & Maintenance

Buying machine tires: where rubber meets the bottom line

Top: Scrap yards, transfer stations and recycling facilities offer no shortage of hazards that can shorten the life of your tires. Bottom: Working on an unimproved surface, traction and floatation may be more important than durability.
Top: Scrap yards, transfer stations and recycling facilities offer no shortage of hazards that can shorten the life of your tires. Bottom: Working on an unimproved surface, traction and floatation may be more important than durability.

Tire replacement is the largest single operating expense for skid steer fleets, and a significant maintenance cost for most of the mobile equipment in scrap yards, transfer stations and recycling facilities. Putting new rubber on skid steer loaders, telehandlers and forklifts can be expensive – and even more so for larger machines such as wheel loaders and wheeled excavators and material handlers.

It makes sense then, as a recycler, to be sure you’re choosing the right tires to get the best return on your investment. Choices include numerous makes and models of pneumatic tires, solid rubber tires and foam-filled tires. Increasingly, for many users a solid rubber tire solution is a popular way to go. But according to David Fleischhauer of Camoplast Solideal, global manufacturers of tires and tracks for off-the road mobility solutions, there are a number of factors to consider before buying.

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Metals Recycling

Enhanced Fines Recovery from Non-Ferrous Stream

Pennsylvania-based Eriez offers a range of sorting and separation systems designed to enable scrap processors to maximize efficiency and profits in their non-ferrous metal recovery operations, including a wide range of industry-proven eddy current separator models such as the most recently introduced RevX-E, which is designed to provide enhanced separation of nonferrous metals such as mining oil solid waste, bottom ash, commingled recyclables, plastic, glass, foundry sand, electronic scrap and ASR.

Specifically engineered for enhanced fines recovery, the FinesSort Fines Metal Recovery System (right) will effectively reclaim and segregate valuable metal fines from discarded materials, enabling scrap yard operators to recover both ferrous and nonferrous metals from their incoming stream. The FinesSort receives discarded smaller-sized materials (fines) which have already passed through the primary screening process. By utilizing powerful magnetic components, this system is capable of reclaiming thousands of pounds of metals per day.

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Sponsored Content

4 THINGS TO LIKE ABOUT CAT® XE WHEEL LOADERS

The New Cat® 966M XE and 972M XE wheel loaders are hard at work on sites across North America. Owners, operators and equipment managers say the loaders are meeting or exceeding their high expectations. So what do they like best about the new machines?

High reliability

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MSW Recycling

S+S Changes Name to Sesotec

S+S Separation and Sorting Technology GmbH, based out of Schönberg, Bavaria, and one of the world’s leading suppliers of machines and systems for the detection/ separation of contaminants, product inspection and for the sorting of material flows, is changing their name. As of the end of March 2015, the company’s name will change to Sesotec (Separation and Sorting) which the company says reflects the overall development of the company.

At IFAT 2014, S+S introduced their new WEEE-SORT sorting system designed for use in e-waste recycling. These machines are capable of sorting mixed material flows into uniform fractions, for recycling of plastics, metals and printed circuit boards. WEEE-SORT is specifically designed to meet the needs of e-waste sorting applications, and by using a variety of sensors – near-infrared, colour and metal – offers high flexibility. Units also feature multiple lighting and air-blast capability ensuring high-level separation accuracy, while simultaneously optimizing energy consumption. Also at IFAT 2014, S+S subsidiary KRS Recycling Systems displayed their latest version of the K9 glass sorting system, designed for colour separation of cullet down to a grain size of five millimetres. Units are specifically engineered to improve the recycling of fine, hollow and flat glass with high throughput rates. 

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MSW Recycling

Bunting High Intensity Separation Conveyor on Display at Plastics Industry Event

Bunting Magnetics Co., producer of precision magnetic products for the worldwide plastics, recycling, food, printing, automobile and electronics industries, will show a wide variety of metal detection, magnetic separation and material handling products at NPE2015: The International Plastics Showcase, in Orlando, Florida, held March 23 to 27. Among multiple Bunting products featured at the event, the powerful, high intensity separation conveyor is ideal for removing small work-hardened 300 stainless steel and paramagnetic chips from shredded and ground plastic.

Discussing the conveyor, Bunting material handling product manager Donald Suderman said: “For the high intensity separation conveyor to be seen at the show, Bunting engineers used finite element design software to maximize magnetic field strength and create some of the highest magnetic surface intensities available.

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Metals Recycling

New Technology to Identify Alloys In Aluminum More Quickly and Cost-Effectively

PARC (Palo Alto Research Centre) has successfully completed an ARPA-E (Advanced Research Projects Agency-Energy) funded project to develop technology that can quickly and cost-effectively identify the major alloys in scrap aluminum with 92 percent accuracy, enabling more profitable recycling.

According to PARC, current sorting technologies for light metals are prohibitively slow, and therefore expensive. As a result, in the U.S. approximately one million tons/year of scrap aluminum is shipped overseas for manual sorting and recycling. This removes valuable metals from North America and negatively affects the energy balance, for example, when the energy embedded in aluminum metals is exported.

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Metals Recycling

Tungsten Carbide Recycling Company Fills Market Niche

Clockwise from top left: Rend Lake’s yard where carbon steel is stored; raise bore bits; scrap carbide compacts after they’ve been cleaned; and containerized drill bits ready for shipping.
Clockwise from top left: Rend Lake’s yard where carbon steel is stored; raise bore bits; scrap carbide compacts after they’ve been cleaned; and containerized drill bits ready for shipping.

When mining and oil service companies are finished with their drill bits, they typically end up at a scrap dealer, who will usually group the material as heavy melt steel and sell it to a scrap metal recycler under that designation. Heavy melt contains galvanized and nongalvanized steel, as well as wrought iron.

But if those same scrap dealers looked a little closer at the junk bits and mining scrap such as roof bolts they are adding to their junk pile, they would see something a little more interesting – and valuable.

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Metals Recycling

Diagonal-Shaft Wringer Reclaims Cutting Fluids

PRAB’s Diagonal-Shaft Wringer reclaims costly cutting fluids and produces valuable dry chips, which ensures compliance with regulations when transporting scrap for recycling. Process rates of up to 10,000 pounds/hour can be achieved, and units can be configured with additional chip processing and filtration equipment for a full, turnkey processing system.

Effective chip processing with a PRAB Diagonal-Shaft Wringer allows manufacturers to increase the value of aluminum, brass, steel, cast iron and alloys, lower hazardous waste disposal costs, and reclaim valuable coolants for recycling or reuse. Features include: 700 Gs of centrifugal force that separates chips from fluid; gravity or air discharge units for efficient chip handling; and high output with fully automatic operation. Five models in three sizes are available.

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Metals Recycling

MG 380 VZT for Copper and Aluminum Recovery

MG Recycling’s new patented MG 380VZT COMPLETE SYSTEM is designed as a solution for cable processing and to ensure full copper and aluminum recovery, from even the thinnest fractions. The process starts with a TRITRONIC pre-shredder with a unique inverter technology able to adjust its operation according to the processed material. An accessorized feeding belt conveys material to additional equipment mounted on a compact platform, including a new MG Granulator with small rotating blades, specially designed for a long-lasting performance before sharpening is required and which includes a soundproof structure. The system’s ZIG ZAG Separator, a Turbo Pulverizer and a separator, optimizes the process of recycling thick and thin wire cables.

Following the separator stage, some plastic granules can still be contaminated with copper dust. For this, a vibrating sieve is employed, which recognizes the mix of very fine copper-plastic and thanks to a second smaller separator, allows for total copper recovery and very clean plastic particles. A set of advanced filtering solutions complete the plant. This system can be custom-made according to requirements. Besides cable processing, the MG380 VZT is ideal for processing electrical wires, AC radiators and car harnesses, and can be configured for a range of other scrap yard applications. It is engineered to handle up to 1,000 kilograms/hour of input cable, and features minimum power consumption, and fast, easy maintenance and operation. 

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Metals Recycling

Optimax 950 Mid-Weight Loader

Rotobec’s Optimax 950 mid-weight loader is designed to push the boundaries of capabilities in its class. The Optimax 950 comes standard with an 18,000-pound maximum lift capacity, 75-hp high-efficiency electric motor and a standard 27-foot heavy-duty boom. Other key features include a 38-inch slewing ring, 4,200 psi operating pressure and 35cc dual swing motors.

According to Rotobec, in addition to the tough handling pedigree that comes standard in all of the company’s loaders, the Optimax series has been engineered to be adaptable to every conceivable application and environment. The loader is available in the following configurations: SM-X (with power unit and operator station on loader); SM-R (with remote power unit and operator station); the SM-W (with power unit on the loader and a remote operator station) and the SM-H (with a remote power unit and operator station on the loader.)

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Metals Recycling

State of scrap steel

Michael Marley has been covering scrap metal markets for about 40 years. He started with Iron Age magazine in the late 1970s, eventually becoming the Editor. Iron Age no longer exists as a publication, but it did spawn, with Marley’s involvement, what is now known as the weekly Scrap Price Bulletin (www.scrappricebulletin.com) which reports on scrap prices for ferrous metals in the U.S. market. In 1990 Marley moved to American Metal Market as the Scrap Editor, then a sister publication to Iron Age, and following that went to work at World Steel Dynamics. From there, Marley moved to Metalprices.com, a market intelligence service for the international metals industry.

Can you talk about the downward trend in scrap steel prices since the beginning of 2014, and give us some insight into the market factors involved?

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