Coating Machine Configuration Using ML-Predicted Film Thickness

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Solution Overview

Problem

Current methods for determining the thickness of a coating substance on manufactured products, such as automotive parts, are manual and prone to errors, leading to inefficiencies and resource wastage due to faulty coating operations.

Innovation Solution

A method and device using a trained machine learning model to predict and simulate coating operations, adjusting parameters to ensure the coating machine achieves optimal quality attributes like dry film thickness, reducing manual intervention and resource wastage.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If manual coating thickness measurement is used, then measurement can be performed, but measurement precision and productivity are reduced due to manual operation and delayed feedback

Engineering Contradiction:
Improvecoating thickness measurement precisionVSAvoidcoating operation productivity
Core Design Contradiction:
Measurement precisionVSProductivity

Solution Approach 1:

The patent replaces manual mechanical thickness gauge measurement with an automated optical or electromagnetic sensing system that continuously monitors coating thickness in real-time during the coating process, eliminating manual intervention and enabling precise automated control

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent implements a closed-loop feedback system where real-time coating thickness measurements are fed back to the coating machine controller, which automatically adjusts coating parameters to maintain desired thickness, enabling both high precision and continuous productivity

Inventive Principle:
Principle #23Feedback

2Reliability

If quality check is performed manually after coating, then coating quality can be verified, but time is lost and resource wastage occurs due to delayed detection of faulty coating

Engineering Contradiction:
Improvecoating quality verificationVSAvoidfeedback response time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The patent performs preliminary quality verification by continuously monitoring coating thickness during the coating process itself, detecting potential defects before they occur and enabling immediate corrective action, rather than waiting for post-coating inspection

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent implements real-time feedback during the coating process that immediately alerts operators or automatically adjusts parameters when coating quality deviates from specifications, eliminating delayed feedback and enabling instant corrective measures

Inventive Principle:
Principle #23Feedback

3Productivity

If no predictive capability is available, then coating machine can operate, but manufacturing precision is reduced due to inability to predict and prevent faulty coating operations

Engineering Contradiction:
Improvecoating operation continuityVSAvoidcoating thickness quality
Core Design Contradiction:
ProductivityVSManufacturing precision

Solution Approach 1:

The patent uses historical data and machine learning models to predict future coating quality outcomes before the actual coating occurs, allowing preventive adjustments to be made to coating parameters to ensure quality before defects happen

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent implements a predictive feedback system that continuously learns from past coating operations and uses this knowledge to anticipate and prevent quality issues, maintaining both high productivity and manufacturing precision through data-driven decision making

Inventive Principle:
Principle #23Feedback

Data Source

PatentEP4063083B1Method for configuring a coating machine
Publication Date: 2025.09.17 SIEMENS AG
  • EP4063083B1 patent drawingFigure 1
  • EP4063083B1 patent drawingFigure 2
  • EP4063083B1 patent drawingFigure 3

AI summary

The present invention provides a method (300), device (102) and system (100) for configuring a coating machine for coating a surface of a product using a coating substance. In one aspect, the method (300) includes determining a value associated with one or more parameters from a plurality of parameters associated with the coating operation. Additionally, the method (300) includes predicting a value associated with at least one attribute associable with the coating substance based on the determined value associated with the one or more parameters using a trained machine learning model. Furthermore, the method (300) includes configuring the coating machine for coating the surface using the coating substance based on the predicted value associated with the at least one attribute associable with the coating substance. Moreover, the method (300) includes initiating a coating operation at the configured coating machine for coating the surface of the product using the coating substance.