Floor Polishing Pad Assembly with Segmented Disks for Consistent Wear
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Solution Overview
Problem
Existing floor polishing and grinding pad assemblies exhibit uneven wear, leading to premature degradation and inconsistent performance, which affects the quality of polishing and grinding operations on surfaces like concrete and stone.
Innovation Solution
A pad assembly comprising a fibrous pad with a reinforcement layer and multiple floor-contacting disks, featuring varying disk configurations such as angled and offset placement, and different abrasive patterns, which promotes consistent wear and improved liquid abrasive flow, enhancing the pad's lifespan and performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional fibrous pads are used for floor polishing or grinding, then the pads can perform basic polishing or grinding functions, but they exhibit uneven wear which prematurely destroys the pads and causes inconsistent polishing or grinding performance
Solution Approach 1:
The pad assembly is segmented into multiple functional components: a fibrous pad layer, a reinforcement layer with specific gravity between 0.90 and 1.10, and multiple floor-contacting disks distributed across the assembly. This segmentation allows each component to perform its specific function - the fibrous pad provides polishing contact, the reinforcement layer maintains structural integrity and uniform wear, and the floor-contacting disks enhance grinding capability - resulting in more consistent performance and extended useful life
Solution Approach 2:
The pad assembly uses composite material structure combining fibrous materials with a reinforcement layer having controlled specific gravity (0.90-1.10). This composite construction creates a multi-layer system where each material contributes its unique properties: the fibrous layer provides flexibility and polishing surface, while the reinforcement layer provides structural stability and uniform wear characteristics, resolving the contradiction between performance consistency and pad durability
2Reliability
If multiple floor-contacting disks with varying configurations are added to the pad assembly, then wear characteristics become more consistent and useful life increases, but the device complexity increases
Solution Approach 1:
The floor-contacting disks are segmented and distributed at multiple locations across the reinforcement layer, with each disk positioned to contact the floor at different zones. This segmentation ensures that wear is distributed evenly across the entire pad assembly rather than concentrating at single points, achieving consistent wear characteristics while maintaining a manageable structural complexity through systematic arrangement
Solution Approach 2:
The floor-contacting disks have varying configurations including different angles relative to the base surface and different positions (some offset from others, alternating between smaller and larger sets). This local variation in disk properties ensures that different zones of the pad assembly wear uniformly, addressing the wear consistency requirement while the systematic variation pattern keeps the overall device complexity manageable
3Productivity
If the fibrous pad is made larger in the centralized area to increase floor contact, then polishing or grinding performance improves, but the pad becomes harder to install and more complex
Solution Approach 1:
The fibrous pad is segmented into a centralized area with larger dimensions and peripheral areas with smaller dimensions, creating a non-uniform but structured configuration. This segmentation allows the centralized area to provide enhanced floor contact for improved polishing or grinding performance while the reduced peripheral dimensions facilitate easier handling and installation, resolving the contradiction between productivity and ease of operation
Solution Approach 2:
The fibrous pad exhibits local quality variation with a larger centralized area optimized for maximum floor contact and polishing performance, and smaller peripheral areas optimized for ease of installation and handling. This localized differentiation of dimensions allows each region of the pad to serve its specific function optimally, achieving both improved productivity and maintained ease of operation
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 described pad assembly achieves more consistent wear characteristics and improved polishing or grinding performance by ensuring even inner and outer wear, increasing the pad's useful life and floor contact, while the preassembled design simplifies installation on machines.
Implementation Method 1
fibrous pads for polishing and grinding floors within industrial or commercial buildings
Implementation Method 2
improved liquid abrasive flow characteristics during polishing or grinding
Data Source
Figure 1~2
Figure 3~4
Figure 5
AI summary
A floor polishing or grinding pad assembly (10) is provided. In one aspect, a polishing or grinding pad assembly employs a fibrous pad (12), a reinforcement layer or ring (14; 114), and multiple floor-contacting disks (16; 16a; 16b; 16c; 116). In another aspect, the reinforcement layer includes a central hole (17) through which the fibrous pad is accessible and the fibrous pad at the hole has a linear dimension (x) greater than a linear dimension (y) of one side of the adjacent reinforcement layer. In yet another aspect, at least one of the floor-contacting disks has an angle (α) offset from that of a base surface of the disk, the fibrous pad and/or the reinforcement layer. A further aspect employs a smaller set of disks (116) alternating between and/or offset from a larger set of the disks (16). In another aspect, the reinforcement layer includes a wavy or undulating internal edge (117) shape.