Abstract: The invention relates to a front end of a motor vehicle, consisting of at least one main body and at least a first thermoplastic part and a second thermoplastic part, which are securely connected by injection molding firstly to the main body and simultaneously the various plastics parts are securely connected to one another, wherein the two plastics parts consist of different plastics materials and these are injection molded according to the bi-injection process and fuse with one another when they encounter one another.

Abstract: The invention relates to a front end of a motor vehicle, consisting of at least one main body and at least a first thermoplastic part and a second thermoplastic part, which are securely connected by injection molding firstly to the main body and simultaneously the various plastics parts are securely connected to one another, wherein the two plastics parts consist of different plastics materials and these are injection molded according to the bi-injection process and fuse with one another when they encounter one another.

Abstract: The invention relates to an injection-molding process for producing a plastic molded part in a cavity of a tool. The process includes simultaneously injecting different melt streams composed of different component materials into the cavity, and controlling the injecting operation to obtain a form-fitting and/or material-bonding connection between the different component materials. The process further includes acquiring measurement data concerning the two melt streams at the site of development of the form-fitting and/or material-bonding connection and adapting the control to optimize the injecting operation on the basis of the measurements data acquired.