Volkswagen - Braunschweig
Case Study Volkswagen - Braunschweig

Precision straight off the machine

Volkswagen produces injection moulds and dies for large parts and key components at the company‘s own Components Toolmaking Division. To ensure the contour accuracy and precision of the workpieces, they are measured using m&h touch probes and software. The process is carried out when the workpieces are on the machine and they are only removed when they have been verified. This promotes smooth-running operations and significantly shortens the overall production process.

The Volkswagen Components Toolmaking Division is based at the company‘s Braunschweig plant. Approximately 700 employees produce moulds and dies for plastic injection moulding and light metal casting on almost 100 machine tools of various types and sizes. In addition, tools and equipment are produced for chassis construction within the group.

Workpieces produced are components that are processed on the machines for time periods varying from hours to several days. Dimensions in excess of 2 metres and up to 50 tonnes in weight are not uncommon. The vehicle components coming from these tools are often visible parts or technical components. It is not only necessary to ensure the desired product characteristics of the vehicle, but also to see that the process of producing the components flows as smoothly as possible, all the way to volume production. This calls for tools of exceptional quality. In an interview Dirk Strümpfler, Head of the Components Toolmaking Division, explains the key role which component toolmaking plays at Volkswagen and the responsibility it carries.

„The speed and quality of our company‘s toolmaking division must be second to none“ is how he describes their requirements. „It means large volume throughput accompanied by a very high level of quality.“ This high quality standard calls for permanent efforts in production. The quest for optimization ultimately led to the use of touch probes and the 3D Form Inspect software from m&h. Now the workpieces can be measured at any time, meaning that if necessary they can be reworked while still clamped on the machine. Time consuming second clamping operations, which previously meant loss of accuracy, extra production complexity and was difficult to plan, are now a thing of the past. „Now the workpiece is unclamped only when we know it‘s right“ comments Dirk Strümpfler...

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