Pit & Quarry, January 2010

S P E C I A L S E C T I O N S C R E E N I N G S I Z I N G E Q U I P M E N T Inclined screens high on reliability Terex Simplicity inclined screens can be configured with one to four decks depending on the model and the company offers two bearing four bearing and dual mechanism screens It also will design and build machines to fit specific applications and installations The dual mechanism two bearing inclined screens are rugged machines for heavy jobs The dual 140 mm mechanism is an alternative to the 160 mm single shaft mechanism This alternative extends bearing life on heavy duty applications or increases speed on fine screen applications The screens are available in two and threedeck models in sizes ranging from 6 ft x 20 ft to 8 ft x 24 ft The triple mechanism two bearing inclined screen is designed tough to handle high capacity scalping jobs or still give good flexibility for fine screening The triple 140 mm mechanism is an alternative to the 160 mm dual mechanism which is limited in speed capabilities due to the large bore bearing This alternative extends bearing life on heavy duty applications or increases speed on fine screen applications www terexsimplicity com Deck designs updated for long life performance Terex Cedarapids horizontal screens feature updates to handle larger feed sizes and heavier loads The decks have larger support beams and new joint construction that eliminate sidewall flex These features along with the flow through lubrication system and sealed for life O ring Huck bolt construction provide long life and performance The 7 ft and 8 ft screens have continuously welded deck support beams for maximum fatigue life The heart of the horizontal screen is the oval stroke action produced by its triple shaft vibrating mechanism The oval stroke action increases screening efficiency and reduces recirculating loads which boosts production The oval stroke is plug and blind resistant which keeps screen openings clear allowing efficient product separation and sizing Efficient screening reduces load and wear on crushers making the whole circuit more productive The design of the triple shaft screen enables operators to easily change speed stroke angle and stroke lengths A full line of horizontal screens meets the demands of portable and stationary operations Two deck and three deck screens range from 4 ft wide x 12 ft long to 8 ft wide x 20 ft long www terexcedarapids com Composite screening media lowers cost per ton Tandem Products Inc says its composite screening media RhinoWire meets the productivity and minimal downtime demands of aggregate plants This product marries several composite materials into a matrix to provide a long lasting cost effective screen media with high open area According to the company RhinoWire provides a number of benefits It reduces plant screening media costs significantly it lasts four to seven times longer than wire and only costs three to five times wire resists blinding and plugging and installs exactly like wire cloth RhinoWire also improves plant safety due to the extended screen life less time is spent on the deck changing screens It weighs less than wire and reduces the noise level compared to typical wire screen cloth www tandemproducts com 26 PIT QUARRY January 2010 www pitandquarry com