Community Research and Development Information Service - CORDIS

Design of a suitable clamping fixture for green PM parts allowing turning operations

The restrictions for clamping green parts with lower densities were examined. For this various FEM-simulations were performed and analysed. The necessary clamping force and clamping surface for several machining operations were determined. Different clamping systems were valued by requirements as clamping force, clamping accuracy, contact pressure, easy adaptable, easy to exchange and costs. In the technical view clamping systems as power operated chucks with glass fibre reinforced plastic jaws, power operated mandrels and collets are suitable for clamping green parts. The reachable clamping accuracies and clamping forces of these systems are sufficient for the task. The occurring maximum contact pressures relative to the size of the contact areas of the different clamping systems are nearly equal. But the use of glass fibre reinforced plastic jaws have some advantages regarding to the costs, the easy possibilities of adaptation and the easy and fast exchange of the clamping system. The support of potential manufacturers is planned by different ways like publishing articles, hosting workshops and conferences especially for SMEs as well as taking part in fairs etc.

In particular, it is planned to publish results of the project in one or more of the following journals:
- International Journal of Advanced Manufacturing Technology
- Journal of Material Processing and Manufacturing
- Journal of manufacturing Science and Engineering Transaction of the ASME.

Reported by

Institute for Machine Tools and Factory Management (IWF), TU Berlin
Pascalstr. 8-9
10587 Berlin
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