Trim Part Assembly Using Position Indicators
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Solution Overview
Problem
The existing methods for assembling trim parts to vehicle support parts, where fixing means are only on the inner surface, make it difficult for operators to accurately apply force, leading to deformation and damage of the trim parts due to the invisibility of the fixing positions on the outer surface, resulting in increased part rejections and costs.
Innovation Solution
Positioning indicators on the outer surface of the trim part to visually indicate the location of the fixing means, allowing operators to apply force safely without deforming the part, which can be done during manufacturing or post-assembly using electrostatic interactions or adhesive agents.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If fixing means are provided only on the inner surface of the trim part, then the outer surface remains unmarked and aesthetically pleasing, but the operator cannot accurately locate the fixing means when applying force during assembly
Solution Approach 1:
The patent applies visual indicators (such as colored marks or symbols) on the outer surface of the trim part at positions corresponding to the fixing means on the inner surface. These indicators change or highlight the visual appearance of the outer surface to guide the operator in applying force at the correct locations, thereby resolving the contradiction between maintaining an unmarked aesthetic surface and providing visible guidance for assembly.
2Ease of operation
If force is applied to the outer surface at a distance from the fixing means, then the operator can apply force to the visible surface, but the trim part deforms and the outer surface is damaged
Solution Approach 1:
The patent introduces visual indicators as an intermediary element between the operator and the fixing means. These indicators are positioned on the outer surface at locations that correspond to the underlying fixing means, serving as a mediator that guides the operator to apply force at the correct positions without needing to see the fixing means themselves, thus maintaining both ease of operation and position accuracy.
3Shape
If the trim part is thin and planar with cavities between trim parts and support parts, then the design is sleek and modern, but the trim part is highly prone to deformation when force is applied
Solution Approach 1:
The patent applies visual indicators to the outer surface before the assembly process begins. These indicators are pre-positioned at the exact locations where force should be applied, allowing the operator to immediately identify the correct force application points. This preliminary action prevents deformation by ensuring force is applied at structurally sound locations near the fixing means, rather than at arbitrary points on the thin, planar surface.
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
Significantly reduces the deformation of trim parts during assembly, enhancing quality and reducing rejections, while ensuring the indicators do not disturb later assembly steps or mar the vehicle's appearance.
Implementation Method 1
the step of fastening the indicators on the outer surface comprises the use of electrostatic interactions between the indicators and the outer surface
Data Source
AI summary
The present invention relates to a method for assembling a trim part (10) to a sup-porting part (12) of a vehicle, wherein the trim part (10) has an outer surface (16) and an inner surface (18) and is fixable to the supporting part (12) by fixing means (14) provided on the inner surface (18), a fixing connection being established by engaging the fixing means (14) with counter means (20) provided on the supporting part (12), the method comprising following steps of aligning the trim part (10) and the supporting part (12) such that the fixing means (14) and the counter means (20) can be engaged to each other, engaging the fixing means (14) with the counter means (20) by applying force to the outer surface (16) of trim part (10), and fastening an indicator (30) on the outer surface (16) for indicating the position of the fixing means (14).