Spark Erosion Tool Transverse Pressure Electrode Holder
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Solution Overview
Problem
Existing spark erosion tools are limited in producing deep and curved bores, as they are adapted for specific purposes and can only handle shallow bores effectively.
Innovation Solution
A spark erosion tool with an electrode holder that applies pressure transversely to the tool longitudinal axis, allowing for flexible movement and correction of the bore configuration, combined with an electrode design featuring a cylindrical or spherical section with grooves and bores for enhanced material removal and pivoting capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If known spark erosion tools with fixed or articulated carriers are used, then specific curved recesses can be produced, but the tools are limited to shallow bores and specific purposes only
Solution Approach 1:
The electrode holder is designed with dynamic pressure application capability, allowing it to be fixed at selected positions along the bore path and moved to new positions. This dynamic fixing and moving mechanism enables the tool to produce deep bores with any spatial course, transitioning from static to dynamic operation to achieve both versatility and depth
Solution Approach 2:
The electrode holder is divided into functional segments including pressure application means and electrode positioning means. This segmentation allows independent control of fixing and moving functions, enabling the tool to adapt to different bore depths and configurations while maintaining operational flexibility
2Manufacturing precision
If the electrode holder is fixed rigidly, then stable positioning is achieved, but flexible movement and correction of bore configuration become difficult
Solution Approach 1:
The electrode holder employs dynamic fixing where the holder can be secured at selected positions and then moved to new positions. This allows the system to maintain precision during electrode positioning while enabling flexible repositioning for bore correction and configuration changes
Solution Approach 2:
The ability to move the electrode holder to new positions and repeat the fixing process enables feedback-based correction of bore configuration. If the tool runs in an unexpected manner, the holder can be repositioned to correct the bore path, achieving both precision and flexibility
3Stability of the object's composition
If the electrode is secured to a rigid carrier, then structural stability is maintained, but the ability to produce deep bores with any spatial course is limited
Solution Approach 1:
The electrode holder transitions from a rigidly fixed structure to a dynamically adjustable one. The holder can be fixed at selected positions to maintain structural stability during electrode operation, then moved to new positions to enable deep bore production with any spatial course
Solution Approach 2:
The electrode holder is designed to perform multiple functions: maintaining structural stability during electrode operation, enabling movement to new positions, and facilitating production of bores with any spatial course. This multi-functionality achieves both stability and adaptability
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 the production of deep and complexly shaped bores with precise control, improving the universality and quality of the spark erosion process, and enhancing the mechanical and hydraulic properties of drill string parts.
Implementation Method 1
the electrode holder comprises means for applying pressure acting transversely to the tool longitudinal axis in the area of an imaginary hose extending in the tool longitudinal axis
Implementation Method 2
switching on the erosion voltage
Implementation Method 3
method for the production of a spark-eroded hole
Data Source
AI summary
A spark erosion tool includes an electrode arranged on a tool longitudinal axis and an electrode holder aligned along and arranged on the axis and connected to the electrode. The electrode holder includes a moving device for moving the electrode relative to the electrode holder and includes a press for applying pressure transversely to the axis in the area of an imaginary hose extending in the axis. The electrode holder has a cross section corresponding essentially to the electrode. An electrode for a spark erosion tool with a cylinder surface or a spherical surface includes a groove connected to a bore. A deflecting bore can be produced in a drill string part using the spark erosion tool. The deflecting bore is curved and connects two straight flushing bores.