Method for the designing of tools
AssigneeAutoform Engineering GmbH
InventorsMatthias HILLMANN, Waldemar KUBLI
Life of this patent
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Abstract
The invention concerns a method for the creation of addendums (4) of tools for sheet metal formed parts (2). In the case of this method, fill surfaces (7) for the smoothing of irregular zones of a component edge (3) are generated. Initial directions (31) of sectional profiles (10) are determined in such a manner, that sectional profiles (10) at a distance from one another are arranged along a component (3, 8) with utilization of these initial directions (31) and that an addendum (4) is creatable by the connection of these sectional profiles (10).
Claims13
A method to establish a parametrized process model for a forming simulation of a tool for deep drawing of a sheet metal based on a predefined component geometry, said tool comprising a die, a binder and a punch, whereby the binder is used to fix the sheet metal in an edge zone of the die, before the sheet metal is pressed in a drawing direction by the means of the punch into the die, and at least one parametrized addendum which complements the component geometry along at least one component edge, said method comprising the following steps:
- a. providing the predefined component geometry;
- b. determining a direction of drawing;
- c. providing a binder surface;
- d. creating the geometry of at least one parametrized addendum by arranging sectional profiles along the at least one component edge;
- e. spacing the sectional profiles at a distance from one another, the sectional profiles having initial directions pointing away from the component edge, whereby said initial directions are determined by adapting the direction of the sectional profiles to the course of the component geometry and avoiding overlap of the sectional profiles;
- f. connecting the sectional profiles to create addendum surfaces.
Dependencies are inferred from the claim text.