DBT reveals crushing technology

DBT’S mineral processing unit will be displaying two crushing technology products at the CONEXPO-CON/AGG exhibition in Las Vegas in March 2005.
DBT reveals crushing technology DBT reveals crushing technology DBT reveals crushing technology DBT reveals crushing technology DBT reveals crushing technology

DBT's impact roll crusher

Staff Reporter

The German company’s mineral processing unit will be displaying a full-size horizontal feeder-breaker and new steel rolls at the construction industry gathering March 15-19.

The impact roll-crusher (feeder-breaker) is specially designed for non-abrasive aggregates, recycling, and tunneling applications. The crusher has installed power of 317 kW and a capacity of 544 tonnes per hour.

“Horizontal processing results in greater efficiency, while the low-profile design allows feeding at grade and reversible material flow for jam-free operation,” the company said.

Also on display will be DBT’s new steel roll, incorporating innovations the original equipment manufacturer claims will promise longer service-life than competitive products. Several of these innovations have patents pending.

Continual bearing lubrication is achieved through positive automatic lubrication (“Idler PAL”), with a tapered roller-bearing retention method positioning the bearing, while ensuring consistent, reproducible end-play.

The company said new assembly processes and techniques result in a highly standardised product, with consistent internal tolerances to maximise bearing life. A patent-pending installation method allows rapid retro-fitting of DBT’s steel roll to competitors’ frames.

DBT is also displaying its EXALON roll and heavy-duty engineered pulleys. Made of DBT’s proprietary high-molecular-weight polyethylene, the EXALON roll is 30% lighter and lasts two to three times longer than steel in normal bulk handling environments, DBT said.

The heavy-duty pulley incorporates features such as a keyless locking device to eliminate the unfavorable hub-to-disk weld, resulting in reliable drive of conveyors with belt tensions exceeding 226,800kg.

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