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Mobile Plant, Crushing, Screens & Feeders, Plant & Equipment

Articles from CRUSHERS PLANT & EQUIPMENT (730 Articles), SCREENING PLANT & EQUIPMENT (662 Articles), MOBILE CRUSHERS (504 Articles)

The C-1540 incorporates the Terex 1000 cone crusher with automatic tramp relief and hydraulic CSS adjustment.
The C-1540 incorporates the Terex 1000 cone crusher with automatic tramp relief and hydraulic CSS adjustment.
 










Dual-powered models promise energy, maintenance savings

Terex Finlay has introduced dual-powered models of its popular tracked mobile jaw and cone crushers and a three-deck inclined mobile screen.

The dual-powered J-1175 jaw crusher, C-1540 cone crusher and 694+ incline screen units offer operators the flexibility to power their plant by an on-board diesel genset powerpack configuration or a mains-electric connection. Either power option offers operators potential power, servicing and maintenance cost-savings.

Kieran Hawkes, group sales manager for Terex Finlay’s Western Australian and Northern Territory distributor OPS Screening & Crushing Equipment, said that dual power would enable Terex Finlay to cover a new market segment.

“By using electric motors over conventional hydrostatic drives, electrical systems can be up to 20 per cent more efficient than conventional hydrostatic systems,” Hawkes explained. “Savings come with fuel consumption if using on-board power. If using mains power, the savings can be higher still.

“With mains power, the final savings are dependent upon the gap between fuel prices and mains electricity supply pricing. Current estimates on mains power in Australia suggest the overall saving on a conventional unit can be around 30 per cent.”

Hawkes said that having dual-powered mobile plant in the pit would enable quarry operators to set an optimum speed on a crusher driven by an electric motor connected to a variable speed drive. The operator would still be able to reverse the unit in the event of blockage in the crushing chamber.

The J-1175 comprises the Terex JW42 single toggle jaw chamber and a heavy-duty vibrating grizzly feeder.
The J-1175 comprises the Terex JW42 single toggle jaw chamber and a heavy-duty vibrating grizzly feeder.

Hawkes said that having dual-powered mobile plant in the pit would enable quarry operators to set an optimum speed on a crusher driven by an electric motor connected to a variable speed drive. The operator would still be able to reverse the unit in the event of blockage in the crushing chamber.

He added that dual-powered units require less maintenance than conventional units, aiding the customer in downtime and running costs, and are easier to manage as remote control units.

“This allows control from a central point in the quarry or even from the loader driver who is feeding the plant,” Hawkes said. “Maintenance costs overall on the unit represent a huge saving, due to the electrical system requiring less maintenance than conventional hydrostatic units.”

Hawkes and OPS director Shane Czerkasow viewed the dual-powered units on a recent mission to Northern Ireland where they also met local quarry customers. “One customer I spoke with commented, ‘It’s spooky how quiet the machine operates when connected to the mains’,” Hawkes explained.

“He went on to say that he thought the difference on the quarry power consumption with the units connected to mains power was minimal. There is also a hidden saving  in the time taken for pre-starts and re-fuelling of units – a task that can now be completed in half the time it used to take. The customer was still of the opinion that conventional units have their place in remote locations but that dual power would be his unit of choice.”

Hawkes said that the availability of the dual-powered units is tight “due to heavy demand across Europe”. OPS have placed orders and expect “they will hit our shores soon”.

The J-1175 comprises the Terex JW42 single toggle jaw chamber, a hydraulic closed side setting (CSS) adjustment and a
heavy-duty vibrating grizzly feeder with  pre-screen for optimum production.

The electrical, variable speed-driven jaw chamber retains the reversible operation for clearing blockages and variable speed to suit given applications. Material from the feeder’s pre-screen with automatic control is diverted to a stockpile via an optional bypass conveyor or can join the crushed product on the main discharge conveyor.

The C-1540 incorporates the Terex 1000 cone crusher with automatic tramp relief and hydraulic CSS adjustment. The unit can also be fitted with an optional pre-screen that can bypass fines materials before they are fed to the crushing chamber. An optional on-board side conveyor can discharge these fines.

The 694+ features a large 20’ x 5’ triple-decked inclined screen with a total screening area of 28m2. The screenbox features quick wedge tensioning, access holes and a bottom










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Monday, 16 September, 2019 8:55am
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