Movable Damping Element with Segmented Elastic Zones
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Solution Overview
Problem
Existing damping devices for cutting and drilling tools are inefficient in adapting to external factors that affect their damping properties, leading to suboptimal performance under varying operating conditions.
Innovation Solution
A movable damping system with an absorbent mass and multiple elastic elements arranged on its periphery, each with optimal damping properties for specific ranges of extrinsic parameters such as temperature, displacement frequency, impact resistance, or humidity, ensuring consistent and effective damping across a broader range of conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single type of elastic element is used in the damping device, then the structure is simple, but the damping performance deteriorates under varying operating conditions
Solution Approach 1:
The damping device divides the elastic element into multiple segments or zones with different material properties. Each segment is optimized for specific operating conditions, allowing the device to maintain effective damping across a broader range of temperatures, frequencies, and humidity levels without requiring multiple separate components.
Solution Approach 2:
Different portions of the elastic element are assigned different material characteristics or compositions tailored to specific local requirements. This enables each region of the elastic element to respond optimally to particular operating conditions, improving overall adaptability while maintaining a unified structure.
2Adaptability or versatility
If multiple elastic elements with different properties are used, then damping performance across various conditions is improved, but device complexity increases
Solution Approach 1:
Multiple elastic elements with different properties are integrated into a single unified component or housing. This consolidation achieves the damping benefits of multiple elements while minimizing structural complexity through combined design and integrated mounting mechanisms.
Solution Approach 2:
The elastic element is designed to perform multiple damping functions simultaneously across different operating conditions. A single component provides adaptive damping for various frequencies, temperatures, and humidity levels, eliminating the need for separate specialized elements.
3Reliability
If elastic elements are pre-stressed for optimal damping, then damping efficiency is maximized under specific conditions, but performance deteriorates when conditions change
Solution Approach 1:
The elastic element incorporates dynamic adjustment capabilities that allow it to adapt its pre-stress characteristics in response to changing operating conditions. This may include temperature-compensating materials or mechanisms that automatically adjust the effective stiffness and damping properties as conditions vary.
Solution Approach 2:
The elastic element is designed with material properties or structural features that change parameters such as stiffness, damping coefficient, or pre-stress levels in response to environmental factors like temperature and humidity. This enables the element to maintain optimal damping efficiency across varying operating conditions rather than being fixed for a single condition.
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 system achieves damping of up to 50% of oscillations in tools, maintaining optimal performance by adjusting elastic elements' properties to match changing operational conditions, thereby enhancing the overall damping efficiency and stability.
Implementation Method 1
The function of this absorbent mass is to vibrate in a different phase to the cylindrical part of the housing and thus dampen the radial vibrations generated by cutting
Implementation Method 2
The different elastic elements enable damping of the vibrational movements of the absorbent mass relative to the cylindrical part of the housing
Implementation Method 3
The function of this absorbent mass is to vibrate in a different phase to the cylindrical part of the housing and thus dampen the radial vibrations
Data Source
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AI summary
The present invention relates to a movable element for a damping system comprising an absorbent mass (1) designed to be positioned in a housing (2) and comprising in the same area at least two adapted portions arranged on the periphery of the absorbent mass (1) and in which respective elastic elements (3) are arranged which are designed to bear against an internal wall of the housing (2), wherein said elastic elements (3) have optimum damping properties in different variation ranges of at least one parameter. The present invention further relates to a damping system.