Damping Arbor With Segmented Shock Absorbing Assemblies
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Solution Overview
Problem
Conventional damping mechanisms for cutters are complex, time-consuming to manufacture, and ineffective for larger cutters, with rubber rings prone to deformation and breakage under the weight of the rod body, leading to poor vibration absorption and stability issues.
Innovation Solution
A damping arbor with a rod body diameter of 60 mm or more, featuring at least three shock absorbing assemblies evenly spaced around the axis, each comprising a damper, vibration absorbers, and a blocking portion, which share the weight and provide uniform vibration absorption, increasing structural strength and reducing the risk of damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a rubber ring damping mechanism is used, then vibration absorption is provided, but the manufacturing process becomes complicated and time-consuming
Solution Approach 1:
The patent integrates the damping function directly into the rod body structure by forming recesses that receive shock-absorbing elements, merging the damping mechanism with the support structure. This eliminates the need for separate rubber ring components and simplifies the manufacturing process while maintaining vibration absorption effectiveness.
Solution Approach 2:
The damping mechanism is segmented into multiple shock-absorbing assemblies distributed around the rod body perimeter. Each assembly independently absorbs vibration in different directions, providing comprehensive damping coverage. This segmentation allows for modular manufacturing and assembly, reducing overall complexity.
2Object-affected harmful factors
If a single rubber ring damping component is used, then vibration absorption is achieved, but the service life is reduced due to deformation and breakage under rod body weight
Solution Approach 1:
The damping function is divided into multiple shock-absorbing assemblies distributed around the rod body. Each assembly bears only a portion of the rod body weight and absorbs vibration independently. This distribution of load and function significantly reduces stress on each individual component, preventing deformation and breakage, thereby extending service life.
3Object-affected harmful factors
If conventional damping mechanism components are used, then vibration absorption is provided, but the damping effect is poor for larger cutters
Solution Approach 1:
The rod body structure incorporates multiple recesses positioned at specific locations around its perimeter, each designed to receive a shock-absorbing element. This local structural modification creates targeted damping zones that effectively counteract vibration forces in larger cutters, adapting the damping mechanism to the specific size and vibration characteristics of the cutter.
4Object-affected harmful factors
If multiple shock absorbing assemblies are disposed averagely, then better damping effect is achieved, but the device complexity increases
Solution Approach 1:
The shock-absorbing elements are integrated into recesses formed directly in the rod body structure, merging the damping components with the support structure. This integration reduces the number of separate parts and simplifies assembly while maintaining the benefits of multiple distributed damping points for improved vibration absorption.
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 solution achieves improved vibration absorption stability for cutters, extends the service life by distributing weight among multiple assemblies, and allows for cost-effective and easy replacement of broken parts, ensuring consistent processing quality and reduced deformation of the rod body.
Implementation Method 1
the at least three shock absorbing assemblies 4 being inserted into the end surface 11 and surrounding the axis 17 with equal intervals
Implementation Method 2
achieves a better damping effect through a plurality of shock absorbing assemblies disposed averagely
Data Source
AI summary
The present invention relates to a damping arbor, including a rod body and a damping mechanism. A diameter of the rod body is larger than or equal to 60 mm. The rod body includes an end surface for being connected with a cutter head assembly and further defining an axis. The damping mechanism includes at least three shock absorbing assemblies. The at least three shock absorbing assemblies are inserted into the end surface and surrounding the axis with equal intervals.