Polishing or grinding pad assembly
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Solution Overview
Problem
Existing floor polishing and grinding pad assemblies experience uneven wear and inconsistent performance, leading to premature degradation and suboptimal results.
Innovation Solution
A pad assembly featuring a fibrous pad with a reinforcement ring and multiple abrasive disks, where the reinforcement ring has a central hole and a wavy or undulating internal edge, enhancing liquid abrasive flow and ease of installation, and the disks are secured to the ring for improved stiffness and flexibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional fibrous pads are used for floor polishing or grinding, then the pads can be installed on powered machines, but they exhibit uneven wear and inconsistent polishing or grinding performance
Solution Approach 1:
The pad assembly is segmented into multiple functional components: a fibrous pad layer for polishing/grinding, a reinforcement layer for structural support, and multiple abrasive disks for enhanced performance. This segmentation allows each layer to perform its specific function optimally, preventing uneven wear and inconsistent performance while extending pad lifespan.
2Ease of operation
If traditional pad constructions are used, then they can perform polishing or grinding functions, but they require complex installation procedures
Solution Approach 1:
The fibrous pad, reinforcement layer, and abrasive disks are merged into a single preassembled unit with integrated components. This combination eliminates the need for complex installation procedures while maintaining the necessary structural complexity for consistent performance and extended lifespan.
3Reliability
If the reinforcement layer has a straight internal edge, then the structure is simple, but liquid abrasive flow characteristics are poor
Solution Approach 1:
The reinforcement layer features a wavy or undulating internal edge shape instead of a straight edge. This curved, wave-like geometry improves liquid abrasive flow characteristics by creating better flow patterns and distribution across the pad assembly, enhancing polishing or grinding consistency.
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 provides improved wear resistance, uniform contact with the floor, and consistent polishing or grinding performance, extending the pad's lifespan and enhancing the efficiency of the process.
Implementation Method 1
the reinforcement layer includes a wavy or undulating internal edge shape... the inner edge shapes of the reinforcement layer may provide 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.