Electrochemical Machining Tool with Movable Electrode
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Solution Overview
Problem
Existing electrochemical machining methods for fuel injection devices face difficulties in accessing and effectively deburring undercut areas due to challenges in positioning the electrode for optimal working gap formation, leading to suboptimal material removal rates and unreliable electrical contacting.
Innovation Solution
A tool with a movably arranged electrode element relative to the electrode holder, allowing independent adjustment of the electrode element's position and working gap via an actuating element, enabling precise machining of hard-to-reach areas with high material removal rates and reliable electrical contacting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a fixed electrode holder is used for electrochemical machining, then the electrode position is stable, but it is difficult to position the electrode optimally in undercut areas and adjust the working gap
Solution Approach 1:
The electrode element is made movable relative to the electrode holder through a pivotable connection, allowing dynamic adjustment of the electrode position and working gap. This enables the electrode to be positioned optimally in undercut areas while maintaining a relatively simple overall tool structure through the use of a single degree of freedom movement.
2Adaptability or versatility
If the electrode is positioned to access undercut areas, then accessibility is improved, but the working gap becomes difficult to control and material removal rate decreases
Solution Approach 1:
The pivotable electrode element allows the electrode to be dynamically positioned to access undercut areas while maintaining an optimal working gap distance. The actuating element enables precise control of the electrode position, ensuring that the working gap remains within the optimal range for high material removal rates even when machining difficult-to-access areas.
3Manufacturing precision
If manual preparatory and post-processing steps are used, then complex machining areas can be handled, but production time increases and quality consistency decreases
Solution Approach 1:
The tool with the movably arranged electrode element is designed to automatically adapt to the workpiece geometry and maintain optimal working gap throughout the machining process. This self-adjusting capability enables the electrochemical machining process to handle complex undercut areas with high precision while maintaining consistent quality and high productivity, eliminating the need for manual preparatory and post-processing steps.
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
Enables efficient deburring of fuel injection devices, particularly in undercut areas, with improved material removal rates and reduced need for manual processing steps, facilitating high-quality and high-volume production.
Implementation Method 1
An electrolyte liquid can be supplied to the machining area, as a result of which electrochemical reactions take place on the electrode connected as the cathode and on the workpiece connected as the anode.
Implementation Method 2
the electrochemical machining of a fuel injection device
Data Source
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AI summary
The invention relates to a tool (12, 112) for the electrochemical machining of a fuel injection device (10, 110), said tool comprising an electrode holder (22, 122) and an electrode element (24, 124) which forms a cathode during the machining of the fuel injection device (10, 110), in order to be able to electrochemically remove material from the fuel injection device (10, 110) in a machining region (18). The electrode element (24, 124) is arranged in such a way that it can be displaced in relation to the electrode holder (22, 122).