Method for surface structuring, and a surface-structured workpie

Details Method for surface structuring, and a surface-structured workpie Method for surface structuring, and a surface-structured workpie

1999-02-19

2000-04-04

Jones, David

Metal deforming

By application of fluent medium, or energy field

By kinetic energy of fluid or field

72430, 72706, B21J 504

Patent

active

060446773

ABSTRACT:
The present invention relates to a method for surface structuring of workpieces, in particular molds for plastics processing, erosion electrodes or the like, in which a structured surface is applied to an unstructured workpiece surface in order to map the structure into the workpiece surface. In order to provide a method which can be carried out more quickly, and which involves no environmentally hazardous process steps, it is proposed that a structure layer which has the structured surface is arranged between an explosive layer and the workpiece surface, and the structure is forced into the workpiece surface by detonating the explosive layer or a surface-structured explosive layer is arranged on a workpiece surface, and the structure is embossed onto the workpiece by detonating the explosive layer. The invention furthermore relates to a workpiece produced using this method, such a an injection-molding mold, a blowing mold, a compression mold, a foaming mold and a pressure-casting mold, erosion electrode or the like, in which the structure is forced into the workpiece surface by means of an explosive layer.

REFERENCES:
patent: 3050850 (1962-08-01), Chapman
patent: 3060879 (1962-10-01), Staba
patent: 3451239 (1969-06-01), Riegelmayer et al.
Werkzeugbau fur die Kunststoff-Verarbeitung, Dr. -Ing. Klaus Stoeckhert, Edition, Carl Hanser Verlag, pp 392-402.
Menges et al., Anleitung zum Bau von SpritzgieBwerkzeugen, 3rd Edition, Carl Hanser Verlag, pp 50-70.
Metallbearbeitung durch Explosionsenergie, (1964), pp 171-175.

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