Patent ID: 9718265
Date: 2017-08-01
CPC Classifications: B21D,B23K,B32B,Y10T

Claim:
1. Method for producing a composite sheet metal part having at least one metallic region from a composite sheet metal blank which has two outer cover sheets of metal and at least one layer which is arranged between the cover sheets and consists of a plastics material, the method comprising: introducing a composite sheet metal blank into a forming tool; heating, in the forming tool or before the composite sheet metal blank is introduced into the forming tool, at least one selected region of said blank such that the plastics layer arranged between the outer cover layers softens; pressing, using the forming tool by applying a force to at least one outer cover layer of the composite sheet metal blank, the cover sheets against each other at certain points or in certain areas in the at least one selected region so that the plastics layer issues out of the at least one region subjected to a force and a metallic region is produced, subsequently to the application of force or at the same time as the application of force, both cover sheets are joined together at least in certain areas or at certain points in a squeezed region, and wherein heating elements which regulate the temperature of the composite sheet metal blank at least in the selected region are arranged in the forming tool as means for locally regulating the temperature of the blank.