Symmetry as a Design Instrument ensures Stability

Structural symmetry is a key characteristic of the TDR range of roadheading machines produced by Advantec Tunnel & Mining Solutions, Werne, Germany (Fig. 1). This feature has not been introduced for visual or aesthetic reasons. These machines can achieve a cutting performance of up to 400 kW and can operate at compressive strengths of more than 110 MPa. Their unique design concept means that the forward feed of the cutting tool is delivered from the centre of the unit. This has a significant impact on operating performance: the force with which the feed unit works the rock is maintained at a high and consistent level. This helps to minimise machine vibration and twist, even under the toughest conditions – such as when cutting very hard rock − with the result that the TDR series achieves a much longer service life. 

Advantec: A Mining and Tunnelling Specialist

Tunnel digging roadheader (TDR) machines make up the main product group of the Advantec Tunnel & Mining Solutions division (TMS). Advantec’s other business lines include the development and production of durable, high-grade hydraulic cylinders and hydraulic power systems (Advantec Hydraulics) and the worldwide industrial servicing of hydraulic systems and mining machines (Advantec Industrial Service).

HBT’s Stake in Advantec

Advantec’s Tunnel & Mining Solutions division has been 50% owned by the HBT Group since mid-2023, thereby further extending the Group’s already significant mining technology portfolio. Advantec has been associated with HBT for some time through collaboration across several levels. HBT Automation (formerly EXPROTEC) is also collaborating with Advantec in running a number of ongoing projects. These include the delivery of complete energy supply and control systems for the TDR machines.

Access to a new (Global) Market – Tunnel Construction

From HBT’s perspective the decision to invest in Advantec TMS was based not just on the need to expand the company’s mining equipment range by the addition of roadheading machines and the synergy effect that this would create. As these machines are used not only in the mining industry but also in infrastructure tunnel construction projects HBT will now have access to this hugely important market that is projected as having tremendous growth potential in countries such as India, the USA, Australia and Turkey.