Gel Electroplating Repair Planning for Precise Electrode Positioning

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Solution Overview

Problem

Existing electroplating techniques lack precise instructions for optimizing gel-electroplating positions and conditions, leading to inefficient and labor-intensive repairs, excessive resource consumption, and environmental burdens.

Innovation Solution

A repair instruction device that includes a shape measurement unit, current distribution prediction unit, repair design unit, and output unit to determine optimal gel and electrode positions and conditions for electroplating, ensuring precise and efficient repair of industrial products.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If conventional electroplating techniques are used for repair, then the repair process can be performed, but the positioning of gel and electrode is imprecise leading to excessive material consumption and extended repair time

Engineering Contradiction:
Improvepositioning precision of gel and electrodeVSAvoidmaterial consumption
Core Design Contradiction:
Manufacturing precisionVSLoss of substance

Solution Approach 1:

The patent performs preliminary 3D measurement of the repair target portion and pre-calculates the optimal gel shape and electrode positioning before actual application. This preliminary planning ensures precise material placement from the start, preventing excessive material consumption during the repair process.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent determines the gel shape and electrode positioning specifically tailored to the local geometry of the repair target portion. By adapting the gel and electrode configuration to the specific local requirements rather than using a generic approach, material is applied only where needed, reducing waste.

Inventive Principle:
Principle #3Local quality

2Manufacturing precision

If conventional electroplating techniques are used for repair, then the repair process can be performed, but the positioning of gel and electrode is imprecise leading to extended repair time

Engineering Contradiction:
Improvepositioning precision of gel and electrodeVSAvoidrepair time
Core Design Contradiction:
Manufacturing precisionVSLoss of time

Solution Approach 1:

The patent performs preliminary 3D measurement and calculation of optimal gel shape and electrode positioning before actual repair. This pre-planning eliminates time-consuming trial and error during the repair process, as the optimal configuration is determined in advance based on the measured geometry.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent calculates optimal parameters including gel thickness, electrode distance, and positioning coordinates based on the measured repair target shape. By determining these parameters precisely before repair, the process avoids repeated adjustments and extends repair time.

Inventive Principle:
Principle #35Parameter changes

3Ease of manufacture

If manual trial-and-error method is used for electroplating repair, then the repair can be performed, but labor costs increase due to repeated adjustments

Engineering Contradiction:
Improveease of repairVSAvoidcomplexity of repair instruction system
Core Design Contradiction:
Ease of manufactureVSDevice complexity

Solution Approach 1:

The patent replaces manual trial-and-error adjustment with an automated calculation system that uses 3D measurement data to determine optimal gel shape and electrode positioning. This substitution of mechanical/manual processes with computational methods simplifies the repair operation while reducing labor costs.

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

Solution Approach 2:

The system performs self-calibration by automatically calculating the optimal repair configuration based on measured data without requiring operator expertise or repeated manual adjustments. The calculation unit independently determines the best gel and electrode parameters, making the repair process more autonomous.

Inventive Principle:
Principle #25Self-service

4Manufacturing precision

If precise 3D measurement and calculation system is implemented, then optimal gel and electrode positioning can be achieved, but the system complexity increases

Engineering Contradiction:
Improvepositioning precision of gel and electrodeVSAvoidcomplexity of measurement and calculation system
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The patent employs a universal 3D measurement system that can handle various repair target geometries, and a calculation unit that adapts to different shapes and sizes. This multi-functional approach achieves precise positioning across diverse applications without requiring separate specialized systems for each case.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent introduces a calculation unit as an intermediary between the 3D measurement system and the actual repair application. This intermediary processes the measurement data and generates optimal gel and electrode parameters, bridging the gap between measurement and application while managing system complexity.

Inventive Principle:
Principle #24Intermediary (Mediator)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The device provides accurate instructions for gel-electroplating, reducing labor costs, minimizing material consumption, and optimizing repair time, thus enhancing environmental sustainability.

Implementation Method 1

a shape measurement unit that determines an additional target shape which is a target shape of plating to be added to a repair target portion, by measuring a shape of the repair target portion

Methodology Applied
Scientific Effect3D measurement:

Implementation Method 2

calculate a current distribution at the repair target portion based on a distance between the assumed electrode and each part of the repair target portion and volume resistivity of the assumed gel material

Methodology Applied
Scientific EffectElectrical resistance: Electrical Resistance

Implementation Method 3

gel-electroplating

Methodology Applied
Scientific EffectElectroplating: Electroplating

Implementation Method 4

a current distribution prediction unit that assumes a gel material for electroplating to be applied to the repair target portion and an electrode

Methodology Applied
Scientific EffectElectrodeposition: Electrodeposition

Data Source

PatentEP4585722B1Repair instruction device and repair instruction method
Publication Date: 2026.03.04 HITACHI LTD
  • EP4585722B1 patent drawingFigure 1
  • EP4585722B1 patent drawingFigure 2~3
  • EP4585722B1 patent drawingFigure 4

AI summary

A repair instruction device is provided with a shape measurement unit configured to determine an additional target shape by measuring a shape of a repair target portion in a repair target object; a current distribution prediction unit configured to assume a gel material for electroplating to be applied to the repair target portion and an electrode, and calculate a current distribution at the repair target portion; a repair design unit and repair disposition position instruction unit configured to determine shapes and positions of the gel material and the electrode based on the additional target shape and the current distribution; and an output unit configured to output an electroplating application condition including the shapes of the gel material and the electrode, the positions of the gel material and the electrode, a current value, and an impressing time.