W.S. Tyler’s XL-Class Vibrating Screens Designed For Highest Production Needs

AggMan Staff | Published on August 21, 2012

ST. CATHARINES, ONTARIO — The XL-Class Vibrating Screen from W.S. Tyler combines advanced exciter drive technology with a wide body to offer better screening action and more throughput. Larger than any other vibrating screen from W.S. Tyler, the XL-Class is intended for high tonnage production rates, yet designed for low maintenance, easy operation and unmatched reliability. Traditionally developed for copper and iron ore, the XL-Class is suitable for almost any application, which either requires above average production rates and/or above standard process reliability.

Exciter drive technology ensures smooth operation and high uptime. The linear stroke is generated by counter weights which are mounted on two machined shafts and spin in opposite direction via two heavy duty spur gears mounted in a nodule iron casting.  This casting mounts to the rugged, reliable FEA (Finite Element Analyzed) exciter bridge.  The bridge is the main exciter support, and transmits dynamic force through the entire structure. In addition to better operation, the exciter design increases bearing life up to 50,000 hours. This makes the XL-Class the screen of choice for applications requiring maximum reliability, including SAG mill processes, or the feeding of key components such as blast furnaces in the steel industry.

The linear stroke is generated by counter weights which are mounted on two machined shafts which spin in opposite direction via two heavy duty spur gears mounted in a nodule iron casting.  This casting mounts to the rugged, reliable FEA (Finite Element Analyzed) exciter bridge.

Designed for the highest production rates, the XL-Class offers large screening surfaces, up to 390-square feet, allowing it to replace up to two inclined screens in virtually the same footprint. This enables the XL-Class to effectively handle incredible production rates up to 15,000-tons per hour and cut sizes from 1/4- to 5-inches with varying degrees of incline. In addition, the XL-Class can be configured as a banana screen. The decks are sloped to increase the speed of the material flow in order to further enhance production rates. This approach is especially effective when the feed load contains a large quantity of fines that are much smaller than the opening of the screen media.

The XL-Class has proven successful for oil sands, which must be processed in temperatures ranging from -40C degrees in the winter to +30C degrees in the summer.  With this extreme temperature fluctuation, the material’s physical properties change from rock like formations when frozen to a plastic like state in high summer temperatures.

To provide added strength, the XL-Class features a rugged HUCK™-bolted screen body fastening. Side plates are constructed with high-strength carbon steel. The area surrounding the shaft assembly is strengthened with a reinforcing plate, which ties together the side plate, screen panel and shaft assembly.

The XL-Class machines are engineered using Finite Element Analysis (FEA), which detects high vibration and stress points, natural frequencies and harmonic responses. This allows W.S. Tyler to set up each screen’s stroke, speed and other variables to perform at peak efficiency and ensure it can handle extreme capacities. Additionally, all machines undergo extensive testing, inspection and vibration analysis prior to shipping, ensuring correct balance, smooth operation and high workmanship. This customization level on the XL-Class allows for the added benefit of an 18-month warranty from date of shipment versus a typical industry standard 12-month warranty.

W.S. Tyler is a wholly owned subsidiary of the German-based Haver & Tyler, and a leading manufacturer, systems provider and specialist in the screening industry. Focused on all aspects of the screening circle, from particle analysis and screen media, to vibrating screens and processing technology, as well as screening services, it’s the company’s mission to bring new approaches and technologies to the market place. With deep roots and years of experience in the wire weaving and screening businesses, W.S. Tyler is able to effectively meet the needs of customers around the world. For more information, contact W.S. Tyler, 225 Ontario St, St. Catharines, ON L2R 7B6, call 800-325-5993, fax 905-688-4733, e-mail sales@wstyler.ca, or visit the website at www.wstyler.ca.

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