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MEI Online: Comminution: Latest News: March 22nd 2010

 
 

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:: Metso Take Their Line of Cone Crushers to the Next Level with the Nordberg MP®1250

Metso's innovative research and development has taken their line of cone crushers to the next level. With the Nordberg MP®1250, Metso is providing up to 30% increase in capacity as a result of advanced crushing dynamics, while increasing the horsepower to 1250 HP. All of this, with an installation that uses the same footprint as the MP®1000, means greater productivity without additional expense.

The MP®1250 has nearly a dozen key features and benefits that include: a redesigned mainframe for improved durability; a new eccentric design that provides improved surface finish and protects the eccentric in the event of overload; and a new head bushing design that further reduces head spin during no-load operation without the need for a mechanical clutch assembly.

Design improvements in the mantle locknut make maintenance quicker and easier, and there are also upgrades in the hydraulic tramp protection system, bowl adjustment and removal, and faster hydraulic re-pressurization times. Together with the new gradation auto-sizing automation system, these improvements make the MP®1250 a formidable addition to Metso’s well-established line of cone crushers. Many of the select upgrade features are also available as individual components. The MP®1250 comes to market at a time when customers not only expect more, but demand more --- in productivity, consistency, adaptability and reliability.

A higher fulcrum point and increased throw mean more work per cycle. An increased power rating of 1250 HP translates into a 30% potential increase in capacity. Higher power-to-production ratio means more efficient use of energy.

An advanced Gradation Auto-Setting System eliminates the need for frequent calibration and continually monitors product size for more consistent crushing and output. It also automatically adjusts the crusher setting.

Easier maintenance is achievable with bolt-on counterweight liners; a new head-nut or locknut that only requires common hand tools to replace; fewer accumulators to charge and monitor; fewer adjustment motors to service; and faster bowl removal.

Improved eccentric design reduces bushing wear during reduced feed conditions. Robust design of the fully-machined sleeved eccentric provides less wear and more protection in overload conditions. A new tramp system provides better protection from mechanical overload, and new drive ring pads provide longer life.

If you are an existing MP®1000 cone crusher user, you can expect the same results by using Metso's MP®1250 retrofit kit for upgrading to high-throw and high pivot point. The kit includes a new sleeved, high-throw eccentric; large counterweight with bolt-on guard; upper head bushing; head ball; and socket liner.

 

 

   

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