Patent ID: 11953424
Assignee: SPEIRA GMBH
Field: Measurement (Instruments)
Classification: CPC C  G | IPC C  G

Claim 0:
1. Method for the surface treatment of flat products made of aluminium alloys, the method comprising:
pickling the flat product;
carrying out a colour measurement on the surface of the flat product using a colorimeter to determine at least one measured colour value after pickling the flat product;
generating output information on the basis of the at least one measured colour value, wherein the output information is indicative of compliance with at least one default for the measured colour value, wherein generation of the output information includes a comparison of the at least one measured colour value with at least one stored reference value using an evaluation apparatus;
outputting or triggering the output of the output information, wherein the output information is characteristic of a need for an error search;
wherein the output information is indicative of an error in the process flow, which is not directly attributed to a composition of at least one treatment solution for the pickling;
wherein the error in the process flow, which is not directly attributed to a composition of the at least one treatment solution for the pickling, is a mechanical defect in a treatment device, wherein the output information is indicative of a degree of a self-inhibiting process, wherein a self-inhibiting process is a chemical reaction in which intermediate products and/or end products of the reaction reduce and/or slow down a pickling attack of the at least one treatment solution; and
carrying out the error search, wherein the error search includes the search for a mechanical defect in the treatment device and/or the search for a self-inhibiting process, wherein carrying out the error search comprises error identification and error fixing, wherein error fixing comprises fixing a mechanical defect and/or adjusting the treatment solution.