Long life and reliability from innovative crusher | World Highways

New technology broadens Sandvik's offering for crushing and screening. Mike Woof reports

Clean screening Increased production capacity and material quality are claimed for the new screening media from Canadian firm Major Wire Industries. The firm's Flex-Mat 3 self-cleaning screen media helps boost throughput and end-product quality while reducing downtime, according to the firm. Wires that resonate independently are said to boost product throughput by up to 40% over conventional woven wire or polyurethane panels by eliminating blinding, pegging and clogging. In addition, this new design is said to offer 30% more open area than woven wire for up to 30% more material throughput. This can boost screening efficiency and deliver material to grade at lower cost than rival systems. Producers can deliver higher quantities of on-grade product as there is less downtime needed for cleaning or replacing screens. The Flex-Mat 3 products feature lime green polyurethane strips that align to the crown bars in each screen box and hold individual wires in place as they run from hook to hook. The wires vibrate independently to better separate material, minimising blinding, pegging or clogging. Wire configurations include a diamond-shaped Flex-Mat D for standard applications; wave-patterned Flex-Mat S for fines removal; and triangular Flex-Mat T for heavy scalping or fine screening.

Rebuilding and revamping Indianapolis-based 2989 JW Jones Company says it is experiencing strong demand for its cone crusher rebuild service, due to its cost-competitive package. The specialist firm has now remanufactured over 1,000 cone crushers to order worldwide. The firm remanufactures and refurbishes aggregate and recycling crushing, screening and washing equipment from an array of different manufacturers. The company buys used cone crushers and says it rebuilds these units from the ground up, including the chassis on portable units in a special area of its facility. Cone crushers are taken apart, evaluated, remanufactured and then sold to contractors or producers worldwide for around 50% of the cost of a new cone crusher. Any part that is out of specification is replaced including: liners, main frames, bushings, gears, hoppers/bowls, heads, shafts, bearings, seals, housing, springs, motors, pumps, alarms and all other wear parts. The remanufactured stationary and portable cone crushers are available in size ranges from 0.6-2.1m and these include units configured to crush materials ranging in hardness. The company also says that it can customise cone crushers to suit most operations with production requirements up to 1,500tonnes/hour. The firm offers installation, startup, parts and wear components as well as servicing and can provide six-month or extended warranties if required.