New Series from Ringspann Heavy-Duty Electromagnetic Brakes: Powerful, Compact, and Sustainable

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With its new series of electromagnetic disc brakes, Ringspann is responding to the growing international demand for electrically operated heavy-duty brakes. The new E-Brakes offer clamping forces of up to 97 kN and, thanks to their compact design, can be easily integrated into existing system environments.

Electromagnetically ventilated disc brakes for industrial applications have always played a major role in the product portfolio of Ringspann. The company has now expanded this segment of its one-stop shop with another series designed specifically for heavy-duty applications. The five variants of the new series bear the prefix “DA” in their product names, meet extreme braking and clamping force requirements, and are ideally suited for use in the steel, portand power plant cranes, as well as belt conveyor, bulk material, and crushing systems—to name just a few examples. “By adding these modern brake calipers to our product line, we are responding to the trend in which more and more plant manufacturers and operators are replacing their previously predominantly pneumatic or hydraulic braking systems with electromagnetic alternatives,” says Maximilian Mappes, brake designer at Ringspann. There are very obvious reasons for this ongoing international trend toward e-brakes in the heavy-duty sector. First and foremost are the simple design and operation of electromagnetic brakes, as well as their straightforward integration into existing system environments. Both factors reduce installation and maintenance costs and enable the easy replacement of pneumatic and hydraulic braking systems.

No Risk of Leakage

The new DA brakes in Ringspann’s product line offer designers, plant operators, and their service teams all the benefits of modern electromagnetic disc brakes. They form a functional and compact unit that, apart from the applied electrical current, requires no external operating medium, no additional power units, and no hose connections or lines prone to leakage. This not only simplifies the designer’s work but also reduces both the effort required for initial installation and the steps involved in maintenance and repair—which also saves costs. “Since neither compressed air nor hydraulic oil is involved in the operation of the electromagnetic brakes, there is no risk of leakage. This is sustainable and resource-efficient, as it permanently reduces the use of cleaning chemicals and protects groundwater from contamination,” emphasizes Maximilian Mappes.

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Wide Range of Capacities And Options

In terms of performance, the DA series rounds out the top end of Ringspann’s lineup of electromagnetic disc brakes. It also serves as a virtually perfect complement to the EV/EH series brakes and the MV series introduced last year. While the EV/EH brakes (clamping forces from 3.2 to 20 kN) are primarily used in industrial automation, the MV brakes (clamping forces from 3.8 to 25 kN) are also suitable for use under harsh conditions. Here, they stand out as a space-saving solution, particularly due to their exceptionally compact design. The new DA series, with five models in ten variants, provides clamping forces ranging from 880 N to 97 kN and offers additional significant advantages. Thanks to automatic wear compensation, a wide range of options—such as sensor technology—and the use of larger brake pads, it can, for example, also be used in safety-critical applications where dynamic braking is required.

In all model series—including the new DA series—customers can also choose between different designs and supply voltages. “Depending on the application and requirements, the design engineer or plant manufacturer can select the optimal variant for their specific needs from our wide range of industrial electromagnetic brakes. We are also always able to configure or develop custom solutions tailored to specific customer needs,” says Maximilian Mappes. ms