Tenova - Bucket-Chain Excavators

BCEs are particularly well-suited to applications where there is significant ground instability or high ground water levels. In fact, even submerged bucket-chain operation is also possible.

Our machines are all specifically designed to our client`s requirements and incorporate various solutions according to their specific application. We are able to supply a wide-range of machines with capacities up to 14,500 m³/h, which are able to work in high and deep cut operations and with varying depths and heights.

The principal components of a BCE are the bucket ladder with a bucket-chain, the bucket chute, the fixed or slewable superstructure with counterweight boom and the substructure with rail or crawler-mounted undercarriage. Material is transferred to a bench conveyor via a discharge boom or mobile conveyor bridge or directly to the conveyor. Our excavator design hence always aims to meet specific demands and requirements of the project in terms of optimization, standardization and maintenance.

BCEs can work either in bench or block operations. In bench operations, the BCE travels on rail or crawlers rectangular to the direction of pit advance along the slope face. In block operations, a crawler-mounted machine with a slewable superstructure works in high or deep cut mode and feeds the bench conveyor via a slewable discharge boom.

TAKRAF has a long tradition in delivering BCEs for specific material conditions (overburden, coal and ash) and is the only supplier of large BCEs for global mining applications. The largest BCE ever built is a TAKRAF Es 3750 with a maximum capacity of 14,500 m³/h and a cutting depth of 31 m and height of 34 m.