The forces in a transmission are not always transmitted with the help of gears. There are exceptions, such as the CVT transmission, in which a steel belt or a multi-plate chain moves on conical pulleys. We explain exactly how this works here. There is also some interesting information about this invention, which dates back to the 19th century.
There is no “one” big lever that can be used to improve the energy efficiency of machine tools. Instead, it is important to take a holistic view of all energy flows and that is EMAG’s approach, which the specialists apply to every new development as well as to the retrofitting of older machines. In conversation with Konrad Heimbach, Lead Engineer Energy Efficiency, it becomes clear that even relatively simple measures can massively reduce energy consumption.
The monthly number of new registrations of e-cars in Europe is currently increasing – and with it the required quantities for the e-drive components. The example of the supplier Linamar Technology Hungary shows how the production task behind this can be solved effectively. The e-drive specialists have recently invested in EMAG machines for the production of shafts and gears. A conversation with István Bíró, Project leader at Linamar Technology Hungary, about the new solution at the site in Békécsaba.
As a mechanical engineering company, EMAG is making an important contribution to establishing electromobility: The specialists are developing the production technology that can manufacture central components of the electric motor – on a turnkey basis. A new production line for the rotor shaft of electric cars used by a German components supplier illustrates their approach. The solution was delivered at the end of last year. Here we have a conversation with Andreas Bucher, Key Account Manager at EMAG, and Michael Ihring from EMAG Systems about the reasons for this cooperation.
In a traditional automatic transmission, a torque converter is installed between the engine and transmission. This core component contains an impeller, turbine wheel and a guide wheel. Driven by the engine, the impeller blade catch oil in the housing which creates a flow that will delayed drive the turbine wheel. This principle ensures a smooth startup and separates the drive train from the engine’s vibrations (referred to as engine irregularities).
There are no cars that don’t have differentials in them—otherwise we would be driving through tight curves with the wheels spinning and tires screeching. This essential component is located in the center of the drive axle, where its function is to make sure that the two wheels can turn at different speeds when driving around curves, while nonetheless having exactly the same propulsive power. The torque of the motor is always divided in a fixed ratio.
By the way: All-wheel drive vehicles have a differential on each axle, plus a central differential that distributes the engine power between the axles in a given ratio.
For over 50 years, Kordel has developed a variety of drive systems and transmissions used in agricultural and construction equipment, as well as industrial trucks. This is a task that requires both robust machining and precision, simultaneously. The family-owned business with its headquarters in Dülmen near Münster, Germany relies on the competence of its employees, flat hierarchies and a high level of integration with a “state-of-the-art” machine system. For over 20 years, EMAG’s pick-up technology has played a major role at Kordel. More than 17 production solutions from the Southern German machine builders are used at the production sites in both Germany and Poland. The most recent additions are two VLC 200 GT turn-grind centers. Below is a conversation we had with the Kordel Managing Director, Johannes Kordel, about the success of his company, and the important part mechanical engineering has played in it.
The scroll-free turning of rotor shaft sheet metal housings has a number of advantages over the traditional turning process. For one, scroll-free turning provides significantly higher feed rates per revolution, leading to a reduction in overall cycle time. Machine time is also reduced by using the entire cutting edge of the tool – providing the additional benefit of improving tool life. This technology has also proven to achieve significantly better surface qualities.
Whether excavators, trucks or buses – the market for construction machinery and utility vehicles has been on the upswing for a while now. Where does this success come from and what role will electric drives play in the future? We will examine this by exploring the current situation.
High-strength materials, complex geometries, large unit volumes—the production of turbocharger shafts is one of the most challenging tasks in automotive manufacturing. With its new turn-key production system, EMAG has developed a holistic and complete solution. How exactly does it work?