LFM™ Harp Wire Proves Tougher, More Effective Than Standard Harp & Piano Wire Screen Cloth


September 7, 2010

Candiac, Quebec, Canada – LFM Harp Wire from Montreal-based Major Wire Industries Limited helps aggregate operations increase throughput over standard harp or piano wire while reducing downtime caused by worn wire cloth. Standard harp or piano wire screens use hard metal or plastic slides to hold the wires in place at the crown bar. The wires vibrate against the slides, which in turn vibrate against the crown, causing breakage. Major Wire’s high-performance LFM Harp Wire is manufactured with straight wires firmly molded into polyurethane strips that hold the wires in place at the crown bar. With its wires embedded into flexible polyurethane strips instead of rigid slides, LFM Harp Wire eliminates this steel-on-steel wear. The polyurethane strips at the crown bars keep the wires equally tensioned, creating better wire vibration when compared to traditional harp or woven wire cloth, reducing blinding and increasing production of a cleaner aggregate product. In addition, LFM Harp Wire’s long slots (up to 12 inches) provide more open area to increase screen capacity.

Because of its unique design, LFM Harp Wire handles high-impact loads better and lasts up to twice as long as conventional harp and piano wire. Additionally, LFM Harp Wire screen media is available in custom configurations to match unique screens and applications. Producers can choose from the commonly selected stainless steel wire or Major Wire’s highly abrasion-resistant OptimumWire® high carbon and high manganese content wire; number and placement of polyurethane strips; a wide range of wire diameters per opening sizes; optional polyurethane intermediate strips for better wire stability and spec material control; and an optional polyurethane side seal, which provides the tightest possible seal. 

Celebrating more than 125 years in business, Major Wire Industries Limited designs, manufactures and markets screening solutions, including Flex-Mat® 3 High-Performance, Self-Cleaning Screen Media in tensioned and modular versions; OptimumWireÒ woven tempered and stainless steel wire cloth; and polyurethane panels for the quarry, mining, recycling and industrial markets. Major Wire is ISO 9001:2008 registered. For more information, contact Major Wire Industries Limited, 225 North Montcalm Blvd., Candiac, Québec, Canada J5R 3L6; telephone: 450.659.7681; fax: 450.659.5570; e-mail major@majorwire.cc or visit www.majorwire.cc.

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