done by hand with screw couplings.
Deutsche Bahn Board Member for Digitalisation and Technology, Sabina Jeschke, said: “The DAC opens the door to the comprehensive automation and digitalisation of rail freight transport. The capacity of marshalling and transshipment yards can thus be increased significantly. The introduction of the DAC therefore means a digital revolution for freight transport by rail.” Sigrid Nikutta, Deutsche Bahn Board Member for Freight Transport, said: “We want to grow and shift more goods onto the rails. To do this, we need attractive offers for our customers. Technical innovations, such as the digital automatic clutch, help us do that. It makes rail freight transport faster and easier. This particularly strengthens single-wagon traffic as a green alternative to trucks. Transporting goods by rail is the easiest way to protect the climate.”
At DB Systemtechnik in Minden, several cars have been connected to each other by a DAC as part of a test. Over the next few months, 12 freight wagons will be fitted with coupling types from four manufacturers, with one type set to be selected following technical tests. A test train with 24 cars will make its way through Germany, Austria and Switzerland, as well as other European Union (EU) countries, for several months. The DAC is also being tested through daily use in the shunting yards.
The research project, which will run until the end of 2022, is funded by the German Federal Ministry of Transport and Digital Infrastructure (BMVI) with €13 million. A consortium of six companies is also involved: In addition to DB and its subsidiary, DB Cargo, these are the Swiss and Austrian freight railways, SBB Cargo and Rail Cargo Austria, as well as the wagon keepers Ermewa, GATX Rail Europe and VTG. The goal is a Europe-wide introduction of the digital automatic clutch.
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Rail freight transport: pilot project launched to test automatic rail coupling
DB forms consortium with five European partners • Test of digital automatic coupling begins
A consortium headed by Deutsche Bahn is now trialing the use of digital automatic coupling (DAC) on freight cars. The German Federal Ministry of Transport and Digital Infrastructure (BMVI) awarded the contract for this pilot project to the consortium of six companies from Germany, Austria, Switzerland and France. The project, aimed at demonstrating, testing and obtaining regulatory approval for digital automatic coupling (DAC) in rail freight transport, will run from July 2020 to December 2022.
Digital automatic coupling automatically connects freight cars, as well as their lines for power, data and compressed air, without any need for strenuous physical work. Most freight trains are still currently coupled by hand using buffer-and-chain couplers; DAC makes this process much more efficient and relieves strain on rail workers.
The consortium is made up of DB, its subsidiary DB Cargo, and five other companies: the Swiss and Austrian rail freight companies SBB Cargo and Rail Cargo Austria, along with wagon keepers Ermewa, GATX Rail Europe and VTG.
"It wouldn't make sense to manage the EU-wide introduction of DAC from the Member State level alone," said Enak Ferlemann, Parliamentary State Secretary at the German Ministry of Transport and Digital Infrastructure. "We need to find solutions at the European level. The financial challenges involved are considerable, and they are not the kind of thing that companies alone can solve; we will need a comprehensive European program with sufficient funding. The German Ministry of Transport and Digital Infrastructure will continue to support the introduction of DAC, and we have commissioned the DAC demonstrator project to this end. We will be providing some EUR 13 million in funding for this research project over the coming two-and-a-half years."
Sabina Jeschke, Member of the Management Board for Digitalization and Technology: "We are delighted that we can implement this project together with our strong partners in the consortium. When the digital automatic coupling is introduced throughout Europe, it will be a revolution for freight transport by rail — and an enormous relief for employees."
In the first phase, 12 freight and tank cars from DB Cargo, VTG and GATX will be equipped with prototype couplers from four different manufacturers. Then the initial technical tests will begin. The results of these tests will determine which type of coupler is ultimately selected. In the second phase, a demonstrator train consisting of 24 freight cars equipped with the selected coupler type will run in Germany, Switzerland, Austria and other European countries. This will allow DAC to be tested in daily operations in a variety of areas, including at marshaling yards.
The goal is to prepare the process of selecting one type of coupler to introduce throughout Europe. DAC will open the door to a system of rail freight transport that is fully automated and digitalized. A coordinated approach within Europe will be key to achieving full-scale implementation of the technology.
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