One Piece Vehicle Wheel Boundary Groove Design
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Solution Overview
Problem
One piece vehicle wheels with pierce bolts increase manufacturing costs and deteriorate cleaning properties due to foreign substances entering attachment holes, while also being difficult to adjust for weight balance and design.
Innovation Solution
A one piece vehicle wheel design featuring a cylindrical rim, a disk with spokes extending to the rim, and a boundary groove along the rim-spoke interface, which mimics a two or three piece wheel appearance, improves cleaning, reduces weight, and allows for weight balance adjustment without compromising design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If a pierce bolt is attached to a one piece wheel to achieve a two piece or three piece wheel appearance, then the design quality is improved, but the manufacturing cost increases and cleaning property deteriorates
Solution Approach 1:
The invention divides the one piece wheel into visual segments by forming boundary grooves between the rim and spokes, creating the appearance of separate components without actually assembling multiple parts. This segmentation achieves the desired two-piece or three-piece aesthetic while maintaining the simplicity and cost-effectiveness of a one-piece manufacturing process.
2Shape
If a pierce bolt is attached to a one piece wheel to achieve a two piece or three piece wheel appearance, then the design quality is improved, but the cleaning property deteriorates due to foreign substances entering attachment holes
Solution Approach 1:
The boundary grooves create visual separation between rim and spokes, achieving the desired aesthetic without requiring attachment holes or foreign substances. This eliminates the cleaning problem associated with pierce bolts while maintaining the high-class appearance.
3Object-affected harmful factors
If the width of the boundary groove is increased to improve cleaning property, then the cleaning property is improved, but the weight of the wheel decreases
Solution Approach 1:
The invention converts the potential harm of weight reduction into a benefit by strategically removing material in the boundary groove regions. The weight reduction achieves cleaning improvement while the removed material creates the visual segmentation effect, turning a structural weakness into an aesthetic feature.
4Weight of moving object
If the depth of the boundary groove is adjusted to reduce weight, then the weight is reduced, but the design appearance may be affected
Solution Approach 1:
The invention optimizes the depth parameter of the boundary groove to achieve the desired balance between weight reduction and aesthetic appearance. By carefully controlling the depth within specific ranges, the design maintains its high-class appearance while achieving sufficient weight reduction for cleaning property improvement.
Data Source
AI summary
Provided is a one piece vehicle wheel capable of obtaining design having a high-class feeling, improving the cleaning property, reducing the weight, and easily adjusting the weight balance without deteriorating the design. A one piece type vehicle wheel 1 is provided with a cylindrical rim 2, a disk 3 provided inside the rim 2, and a plurality of spokes 7 each of which extends from the central part of the disk 3 toward the rim 2 and has an outer end connected to the rim. A boundary groove 23 is formed on a design surface side of the vehicle wheel 1 along the boundary between the rim 2 and each of the spokes 7.