Adjustable Groove Machining Tool for Variable-Diameter Pistons
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Solution Overview
Problem
Existing tools for machining grooves in rotation-symmetric components, such as pistons, lack variability in diameter and have undefined contact force, leading to suboptimal machining quality and flexibility.
Innovation Solution
A tool with an adjustable first device for varying diameters and interchangeable machining elements, including cutting and abrasive tools, with a guiding device for precise positioning and force control, allowing for adaptable machining of different components and surface finishes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a class-specific tool is used for machining grooves, then the tool structure is simple, but the tool provides very little variability in relation to the diameter of rotation-symmetric components
Solution Approach 1:
The tool employs an adjustable diameter mechanism where the distance between the two arms can be varied to accommodate different diameters of rotation-symmetric components. This dynamic adjustment capability allows a single tool to adapt to multiple component sizes without compromising structural simplicity.
Solution Approach 2:
The tool is designed with universal applicability through its adjustable diameter feature and interchangeable machining elements, enabling it to perform multiple machining operations on various sized components with a single tool, rather than requiring multiple specialized tools.
2Ease of operation
If manual pressing is used to apply contact force, then the tool is easy to operate, but the contact force is applied in an undefined manner
Solution Approach 1:
The tool incorporates a spring element that provides a predetermined, defined contact force through its elastic properties. The spring's known force characteristics ensure consistent and controlled machining pressure while maintaining ease of manual operation, eliminating the undefined nature of purely manual pressing.
3Manufacturing precision
If multiple tools are used for different diameters, then each tool can be optimized for its specific diameter, but the quantity of tools increases
Solution Approach 1:
The tool achieves multi-functionality by incorporating an adjustable diameter mechanism and interchangeable machining elements, allowing a single tool to replace multiple specialized tools for different diameters and machining operations, thereby reducing the total number of tools required.
Solution Approach 2:
The dynamic adjustment of the tool's diameter capability allows it to adapt to various component sizes, eliminating the need to maintain multiple fixed-diameter tools while preserving the ability to optimize machining for each specific diameter through adjustment rather than replacement.
4Adaptability or versatility
If interchangeable machining elements are used, then the adaptability for different machining operations is improved, but the device complexity increases
Solution Approach 1:
The tool employs segmentation by separating the machining elements from the main tool body, allowing them to be interchangeably attached and removed. This modular approach enables different machining operations with a single tool while keeping the overall structure relatively simple through standardized attachment mechanisms.
Data Source
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AI summary
A tool (1) for machining a groove (18) of a rotation -symmetric component, preferably a piston (17) of an internal combustion engine, wherein the machining is carried out by a rotation of the tool (1) around an axis of symmetry of the rotation-symmetric component to be machined, wherein the tool (1) comprises at least one arm (2, 3) which is disposed in such a way that a circumference of the rotation-symmetric component can at least be partially enclosed, and wherein a machining device for machining of the groove (18) is provided on the at least one arm (2, 3), wherein at least one adjusting device is provided, with the help of which a contact force on the rotation-symmetric component of the at least one machining device can be selected, and wherein the tool (1) comprises an adjusting device, with which the tool can be adapted to different diameters of a rotation-symmetric component.