Pit & Quarry, December 2009
P O R T A B L E P L A N T S Transmission system boosts mobile jaw plant To create the Lippmann 3252 trackmounted mobile jaw plant Lippmann Milwaukee Inc employed its direct crusher drive gear transmission system to develop the triple power match drive system The transmission system provides optimum power efficiency from two rear output points while employing twin VDP pumps for hydraulics The result is a track unit that offers reduced fuel consumption greater system efficiency and higher productivity the company says The size of the 3252 jaw necessitates little to no preparation of material prior to crushing This jaw moves material through the chamber with forced feeding action resulting form the inward and downward eccentric movement of the swing jaw www lippmann milwaukee com VSI line adds vertical gear drive units Terex has added portable chassismounted vertical gear drive units to its offering of Terex Canica vertical shaft impactors The TXC 2050 2300 and 2350 have production capacities of up to 600 tph with feed sizes of up to 8 in The vertical gear drive design utilizes a pinion gear drive system to rotate the crusher shaft which eliminates the need for power hungry hydraulic and turn drives when coupled with a diesel engine Along with better horsepower utilization it also allows for easier above deck access to v belts and drive sheaves In lieu of a diesel engine these crushers can also be driven by horizontally mounted electric motors www canicacrusher com 28 PIT QUARRY December 2009 www pitandquarry com
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