Adjustable Friction Lining Design for Variable Damping Control
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Solution Overview
Problem
Friction dampers lack the ability to adjust frictional damping effectively, limiting their versatility and adaptability to varying conditions in applications such as washing devices and fitness equipment.
Innovation Solution
A friction device with an adjustable friction lining carrier and an adjusting element that allows for manual or motorized adjustment of the friction lining, enabling variable frictional force application through radial displacement and compression of the friction lining.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a friction damper uses a fixed friction lining, then the structure is simple, but the frictional damping cannot be adjusted to varying conditions
Solution Approach 1:
The friction lining is made adjustable through an adjusting element that can radially displace the friction lining relative to the friction lining carrier. This dynamic adjustment capability allows the frictional damping to be adapted to varying conditions while maintaining a relatively simple structure through the use of a friction lining carrier and adjusting element mechanism.
2Adaptability or versatility
If the friction lining is made adjustable, then the adaptability improves, but the device complexity increases
Solution Approach 1:
The friction device is segmented into distinct functional components: a friction lining carrier that holds the friction lining, and a separate adjusting element that controls the radial position of the friction lining. This segmentation allows for independent optimization of each component and simplifies the overall adjustment mechanism.
Solution Approach 2:
The adjusting element changes the frictional force by radially displacing the friction lining, thereby changing the contact pressure between the friction lining and the counterface. This parameter change approach allows continuous adjustment of frictional damping without requiring complex discrete adjustment mechanisms.
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 flexible and targeted adjustment of frictional force, enhancing the damper's performance in different applications by allowing customization of frictional effects to suit specific conditions, such as varying vibration levels or user requirements.
Implementation Method 1
The friction lining, which consists in particular of a compressible material, is at least partially compressed and thereby pressed radially outwards
Implementation Method 2
Friction dampers are known for generating frictional damping between two movably connected components
Data Source
Figure 1
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AI summary
A friction device for a friction damper comprises a friction lining carrier (11), at least one adjustable friction lining (12) arranged on the friction lining carrier (11) and an adjusting element (13) for the adjustably arranging of the at least one friction lining (12) on the friction lining carrier (11).