Concrete Products

MAY 2019

Concrete Products covers the issues that attract producers of ready mixed and manufactured concrete focusing on equipment and material technology, market development and management topics.

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42 • May 2019 www.concreteproducts.com FEATURE TRUCKS & COMPONENTS Alcoa Dura-Black Wheels recently hit the heavy-duty truck and trailer market in Men- acing Matte finish. The series offers the same advantages as the manufacturer's lightweight forged aluminum wheels, product engineers note, as they are lighter and stronger than steel alternatives; improve payload and fuel efficiency; and, increase resale value over the life of the vehicle. Manufactured using proprietary technol- ogy and production processes specifically required for appearance and durability, Alcoa Dura-Black Wheels feature premium detail- ing in all design and production aspects. Beyond the Menacing Matte Black surface, each wheel rim flange and mounting sur- face appears bright, and in contrast to the matte black face of the wheel. A bright rim flange provides increased protection during tire mounting and road operation. The bright disc face mounting surface provides protec- tion when mounting and while in use. ARCONIC | DURA-BLACK WHEELS Against the backdrop of the 2019 bauma trade fair in Munich, the manufacturer extended the range of its Carmix self-loading mixer series with a 4.5-cubic meter model. Great agility coupled with high productivity, product engineers note, equip Carmix 45 FX for con- ditions that require power, versatility and precision. The model's user-friendly driving system, compact size (4.5- x 7.75-meter) and 4x4x4 steering allow the mixer to move in limited spaces and travel easily on bumpy, rough roads. Internally, a system composed of a double mixing screw and drum with hydraulic motor rotation and planetary gearbox produces a homogeneous and compact concrete mix. An automatic hydraulic loading system contributes to this result: With a large 600-litre effec- tive capacity bucket, it transfers aggregates in the proper quantity into the drum without wasting material. Eight buckets add up to a full load. The Carmix 45 FX has a large cab featuring a ROPS FOPS structure, plus control and block valves to ensure maximum operator safety and security. The driver's seat is reversible with automatic inversion of the flow circuit to allow the operator perfect visibility when moving around the site. The Carmix 45FX is equipped with a load cell weigh- ing system that allows operators to measure, weigh and program any material to execute a mix design on site. Four sensors, controlled by an on-board programmable computer, are placed at the bottom of the drum in order to perform precisely where the mixing takes place. Com- pared to alternatives using pressure sensors on the shovel, this system ensures: direct control of elements where the mix is made, including the actual weight of water for W/C ratio optimization; higher accuracy and 3-5 percent weight deviation, on par with performance batch plants; and, finished product verification. — Metalgalante S.p.A., www.carmix.com Each Dura-Black is treated on both sides for ease and flexibility of mounting in steer or drive position. Wheels are also supplied with color-matched components including a black valve stem, and a precision, laser- etched logo. Color-matched One-Piece Hub Cover Systems, specifically designed for the Dura-Black series, complete the look. Alcoa Dura-Black Wheels are available in popular sizes for heavy-duty tractor and trailer applications, each utilizing Ultra ONE technology with MagnaForce alloy: 22.5 in. x 8.25 in. ULTRABLK, 40 lbs.; 22.5 in. x 9.00 in. 89U64BLK, 48 lbs.; and, 24.5 in. x 8.25 in. 98U63BLK, 51 lbs. Also available is the wider 22.5 in. x 12.25 in. 82462BLK, which at 66 lbs. is the lightest wheel in its fitment class. — Arconic Wheel and Transportation Products, Cleveland; www.alcoawheels.com/ durablack METALGALANTE | CARMIX 45FX

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