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Flexible deburring and automation solutions for die casting

The Ljunghäll Group (subsidiary division of the Gnutti Carlo Group), based in Södra Vi, Sweden, is one of the largest companies in aluminium die casting. With 4 plants worldwide, Ljunghäll produces components for vehicle construction.

For a new project - the machining of gearbox housings, camshaft housing and so-called flywheel housing, Ljunghäll was looking for an experienced partner for the finishing of the castings, and found one in Mössner.

August Mössner GmbH + Co KG, based in Eschach in southern Germany, looks back on more than 30 years of expertise in the field of finishing castings in the HPDC area.

The comprehensive know-how and the flexible system concepts of the finishing lines for castings have created the confidence of Eric Müller, CTO of Ljunghäll, in a long-term partnership with Mössner.

The high demand for quality and reliability perfectly unites the common values of Ljunghäll Light Metalls Division and Mössner.

The challenges in machining the various large parts lie in their geometry and particularly also in their weight. Especially the inner sides of the workpieces are difficult to reach and require precise deburring.

In addition to precise and efficient deburring technology, the production line is characterised by its modularity and flexibility.

The number of units required increases as planned over several years. In order not to make the total investment at the beginning of production, it is distributed according to the required plant capacity.

The processing line can therefore be supplemented with additional deburring robots in further construction stages. This reduces the cycle time and thus increases the output of workpieces.

This flexibility was a major factor in Ljunghäll 's decision to go with Mössner.


With a total of seven different workpieces, the Mössner system does not require any manual set-up processes. An image processing system detects the respective workpiece type. Based on this information, the robots automatically change over to the corresponding gripping system.

The castings are fed to the system via a conveyor belt. The vision system detects the position of the workpieces and transmits this data to the robot.

The gearbox housing is picked up by the robot's gripper system. The robot then moves to the deburring spindles. Here, a combination of compressed air-driven spindles and the proven Mössner machining spindles is used.

The workpiece guide enables a quick change to the various machining stations.

In addition to processing, the robot also takes over the handling tasks when loading and unloading the blast machines.

To ensure the traceability of the castings, the DMC code is applied in the next step by a laser marker.

The machined and marked workpieces are transported out of the system on a conveyor belt and thus reach the further process steps.

Mössner develops and builds special solutions in the fields of mechanical engineering, automation technology and robotics. The focus in the portfolio is, among other things, on turnkey casting and finishing lines and reliably automated plant technology. This includes the processes from core handling, automation of casting machines, cooling and industrial marking, to decoring, sawing, milling and deburring all the necessary sub-processes of cast part production.

Mössner's expertise comes from a wide range of automation solutions installed and commissioned for customers in the foundry and automotive industries worldwide.

Company Info

August Mössner GmbH + Co KG

Hohenstaufenstraße 3
73569 Eschach

Telephone: +49 (0)7175/99806–0
Telefax: +49 (0)7175/99806–35

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