Elastic Polishing Composite Tool for Curved Surfaces
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Solution Overview
Problem
Traditional coated polishing and abrasive tools are ineffective for out-of-shape or curved-surface products, have a short service life, and can cause surface scratches, limiting their application in high-surface-accuracy requirements.
Innovation Solution
An elastic polishing composite tool comprising a thermoplastic polyurethane adhesive layer with a release paper backing and an abrasive layer with uniformly sized and shaped particles, adhered by a modified adhesive containing polyurethane resin, curing agent, adhesive-quality-modifying agent, and leveling agent, along with a lubricating antistatic coating for enhanced durability and reduced scratching.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional coated polishing tools are used, then they can perform basic polishing functions, but they cannot effectively polish out-of-shape or curved-surface products
Solution Approach 1:
The patent employs a thin film structure where abrasive particles are embedded in an adhesive layer that can conform to curved and irregular surfaces. This flexible thin film design allows the polishing tool to adapt to out-of-shape products while maintaining consistent abrasive contact for reliable polishing quality
Solution Approach 2:
The invention creates a composite structure combining abrasive particles, adhesive layer, and release paper backing. This composite material design provides both the flexibility needed for various shapes and the structural integrity required for effective polishing, resolving the contradiction between adaptability and reliability
2Duration of action of stationary object
If traditional coated polishing tools are used, then they can be manufactured simply, but they have a short service life
Solution Approach 1:
The patent constructs a multi-layer composite tool with abrasive particles embedded in an adhesive layer supported by a release paper backing. This composite structure enhances durability and service life through the synergistic combination of materials, while the manufacturing process remains relatively simple involving coating and embedding operations
Solution Approach 2:
The invention modifies the traditional coated tool by changing the physical and chemical parameters of the coating system - using specific adhesive formulations with controlled viscosity and bonding characteristics, and optimizing abrasive particle size distribution. These parameter changes extend service life without significantly complicating the manufacturing process
3Object-affected harmful factors
If traditional coated polishing tools are used, then they can remove material, but they cause surface scratches
Solution Approach 1:
The patent employs abrasive particles with uniform size distribution and consistent shape characteristics embedded in a compliant adhesive layer. This local uniformity in abrasive properties ensures consistent material removal without the variability that causes surface scratches, while maintaining effective material removal capability
Solution Approach 2:
The invention changes the particle size parameter to a narrow, uniform distribution range and selects specific particle shapes that reduce scratching. This parameter optimization allows the tool to maintain productivity through effective material removal while minimizing surface scratches through controlled abrasive action
4Adaptability or versatility
If a flexible thermoplastic polyurethane layer is used, then it can conform to various shapes, but it deforms during production
Solution Approach 1:
The patent embeds the flexible thermoplastic polyurethane layer within a composite structure, nesting it between the abrasive-containing adhesive layer and the release paper backing. This nested configuration provides structural stability during production while preserving the flexibility needed for various shapes during use
5Manufacturing precision
If uniformly sized and shaped abrasive particles are selected, then polishing quality is improved, but manufacturing complexity increases
Solution Approach 1:
The patent specifies particular parameter ranges for abrasive particles - uniform size within a defined distribution, consistent shape characteristics, and specific material composition. By establishing these controlled parameters, the invention achieves high polishing quality while keeping manufacturing manageable through standardized particle specifications
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 tool provides improved polishing quality, extended service life, and reduced scratches, with enhanced mechanical strength, heat resistance, and anti-abrasive properties, allowing for flexible application on various shapes and surfaces.
Implementation Method 1
The abrasive layer is adhered to the adhesive layer by means of an adhesive
Implementation Method 2
the thermoplastic polyurethane and the release paper form a composite base material of the elastic composite polishing tool
Implementation Method 3
a lubricating antistatic coating is uniformly coated on the upper surface of the grinding material layer
Implementation Method 4
a lubricating antistatic coating is uniformly coated on the upper surface of the grinding material layer
Data Source
Figure 1
AI summary
For achieving an optimal polishing result process it is suggested to provide an elastic polishing composite tool (100) in such a way that it comprises an adhesive layer (10) comprising thermoplastic polyurethane and a release paper, wherein the elastic polishing composite tool (100) further comprises an abrasive layer (11), wherein the abrasive layer (11) is adhered to the adhesive layer (10) by means of an adhesive (12), said adhesive (12) comprising polyurethane resin, a curing agent, a modifying agent and a leveling agent, and wherein the weight ratio of the polyurethane resin, the curing agent, the modifying agent and the leveling agent is 100:(10 - 20):(10-12):(0.5 - 1.5).