The priority program "Modeling of scaling effects on manufacturing processes" will be promoted by the "Deutsche Forschungsgemeinschaft" since 2002

Scaling effects are defined by the occurence of a not directly predictable change of the process parameters, if a process was scaled in correct similarity relations.

The aim of this priority program is to clarify the influence of size appearing at the scaling on manufacturing processes, where plastic shape-changing of metal material takes a central part, and thereby influence the result of the process. The aproaches to be developed should be able to describe the observed phenomenouses. Thereby should be understanding on the limit of process developed, which are due to geometrical, plastical or dynamical instability. It is desirable that the knowledge joined by the analysis of scaling effects on manufacturing processes, lead to novel processes

The papers refer especially to the following points:

1. Modeling of the material-behaviour in the process
2. Developing similiarity material-characteristics
3. Validation of scaling effects