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2020 / 2021 Edition

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Metso introduce the Nordberg NP15 impact crusher

Nordberg NP15 impact crusher

New crusher designed for increased safety and performance in secondary and tertiary applications

METSO have launched the new Nordberg NP15 impact crusher, the latest addition to a field-proven range of NP-Series machines designed for increased safety and performance in secondary and tertiary applications.

To improve crushing efficiency and produce more end product with less recirculation load, the NP15 impact crusher features a steeper feed angle that increases material penetration into the rotor and makes the discharge curve less sensitive to blow-bar wear and more consistent over time.

The NP15 accepts feed material up to 400mm and can be equipped with a 355kW motor on a single drive. Its maximum throughput capacity is up to 12% greater than that of the existing NP1315 impact crusher, and it can be installed on a lighter steel structure.

Moreover, the number of different side liners has been cut by nearly half compared with the NP1315 unit. The Nordberg NP15 requires only seven different liners; this wear-part arrangement means more flexibility in the use of the side liners and less parts in stock.

Thanks to the IC2000 NP automation system, product quality is both predictable and consistent, say Metso. The system, which is available for the Nordberg NP15 and the whole NP range, gives accurate control of the crusher parameters for a high-quality product and improved plant profitability.

In addition, the wide range of blow-bar options available ensures that the right tool is always available regardless of the abrasiveness of the feed material. Metso’s triple-wedge blow-bar attachment system is said to be the easiest of its kind and provides a very rigid assembly that allows the use of blow bars with ceramic inserts, even with coarse feed material.

To make maintenance safer and easier, the NP15 impact crusher has a new two-part rear frame that combines safety with ease of access. The operator can choose which way to open the frame depending on the point that needs to be reached.

In addition, the removable breaker plate cassette on the NP15 impact crusher ensures that breaker plate liners can be changed safely. A spare cassette can be prepared in advance to further ease and speed up the changing of the liners.

The Nordberg NP15’s maintenance bridge is another innovative solution that provides safe and easy access to the highest side liners and the rotor, while the patented self-rotation rotor is the centralized point for adjusting the settings and changing the blow bars. Thanks to its automated turning, the rotor provides a safe environment for changing the blow bars without risk of operator injury.

Metso add that the Nordberg NP15 impact crusher also offers several other customization options to meet specific technical and business needs.

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