Stabilizer Bar Rubber Bush Adhesion via Ultrasonic Cleaning
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Solution Overview
Problem
Existing methods for producing stabilizer bars with rubber bushes face issues of poor environmental friendliness and productivity due to the use of organic solvents, which generate volatile organic compounds (VOCs) and require excessive adhesive agent application, leading to economical inefficiencies and non-compliance with environmental standards.
Innovation Solution
A stabilizer bar with rubber bush is produced using an adhesive agent layer with a primer agent layer and a first top coat agent layer, where the dry film thicknesses are optimized, and the rubber bush is ultrasonically cleaned in hot water to remove contaminants, eliminating the need for organic solvents and reducing adhesive agent usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If organic solvents are used to clean the rubber bush surface, then attached substances such as wax and grease are removed, but volatile organic compounds (VOCs) are generated and disposal costs increase
Solution Approach 1:
The patent changes the cleaning parameter from organic solvent-based to water-based ultrasonic cleaning. This parameter change eliminates VOC generation while maintaining effective removal of attached substances through the combination of ultrasonic vibration and hot water, resolving the contradiction between reliable cleaning and environmental harm.
Solution Approach 2:
The patent replaces the chemical cleaning system (organic solvents) with a mechanical cleaning system (ultrasonic vibration). The ultrasonic waves create cavitation in the water, generating mechanical forces that remove contaminants without requiring harmful chemicals, thus eliminating VOCs while maintaining cleaning effectiveness.
2Strength
If excessive adhesive agent is applied to ensure strong adhesion, then bonding strength is improved, but production cost increases and environmental friendliness deteriorates
Solution Approach 1:
The patent performs preliminary ultrasonic cleaning of the rubber bush surface before adhesive application. This preliminary action removes attached substances that would otherwise prevent proper adhesion, ensuring that the adhesive bonds to a clean surface. As a result, less adhesive agent is needed to achieve the same bonding strength, reducing both material consumption and cost.
3Reliability
If multiple production steps including organic solvent cleaning and rinsing are performed, then cleaning effectiveness is improved, but productivity decreases
Solution Approach 1:
The patent merges the cleaning and rinsing steps into a single ultrasonic cleaning operation using water. Since water is used as the cleaning medium, rinsing is inherently included in the process, eliminating the need for separate rinsing steps. This consolidation maintains cleaning effectiveness while significantly reducing the number of production steps and improving productivity.
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
This approach results in a stabilizer bar with improved environmental friendliness, productivity, and economical efficiency by minimizing VOC generation, reducing the number of production steps, and ensuring compliance with environmental standards, while maintaining strong adhesion between the stabilizer bar and rubber bush.
Implementation Method 1
the rubber bush is ultrasonically cleaned in hot water to remove contaminants
Data Source
AI summary
A stabilizer bar with rubber bush includes a stabilizer bar (2), and at least one rubber bush (6) adhesively fixed to at least a portion of the stabilizer bar. The stabilizer bar (2) and the rubber bush (6) are adhesively fixed to each other with an adhesive agent layer (3). The adhesive agent layer (3) includes a primer agent layer (4) formed on a surface of the stabilizer bar (2) and having a dry film thickness of 3 μm or more and 13 μm or less; and a first top coat agent layer (5) formed on the primer agent layer (4) and having a dry film thickness of 5 μm or more and less than 13 μm.