Motor Vehicle Outer Skin Alignment via Gauged Setting Element
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing motor vehicle assembly methods often result in undesired offsets between components due to manufacturing tolerances, leading to alignment issues and aesthetic problems.
Innovation Solution
A setting element is gauged and positioned on the first component of the outer skin, featuring slots for tolerance compensation and a positioning peg that engages with a recess in the second component, ensuring precise alignment and eliminating offsets.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional fastening methods are used to assemble outer skin components, then assembly speed is maintained, but manufacturing tolerances cause undesired offsets and alignment issues between adjacent components
Solution Approach 1:
A setting element is introduced as an intermediary component between the first and second outer skin components. This setting element includes a positioning peg that engages with a positioning recess in the second component, acting as a mediator to transfer and define the precise relative position between components, thereby eliminating offsets caused by manufacturing tolerances
Solution Approach 2:
The setting element is pre-positioned and fastened to the first component at a gauged position before the second component is installed. This preliminary action establishes a predetermined reference position that guides the subsequent installation of the second component, ensuring accurate alignment without requiring complex adjustment procedures during final assembly
2Manufacturing precision
If additional setting work is performed to eliminate offsets between components, then alignment precision is improved, but assembly time and productivity are reduced
Solution Approach 1:
The setting element with its positioning peg and recess mechanism enables the components to self-align during assembly. The positioning features automatically guide the second component into the correct position relative to the first component, eliminating the need for manual measurement and adjustment operations while maintaining high assembly speed
Solution Approach 2:
The setting element is pre-configured with the exact positioning geometry required for accurate alignment. By preparing the positioning peg and recess in advance with precise dimensions, the system eliminates the need for time-consuming setting work during final assembly, as components simply need to be brought together and will self-align
3Manufacturing precision
If tight tolerances are enforced on outer skin components, then aesthetic appearance is improved, but manufacturing cost and complexity increase
Solution Approach 1:
The setting element serves as a mediator that absorbs and compensates for manufacturing tolerances in the outer skin components. By providing a dedicated positioning interface with the positioning peg and recess, the system allows components to be manufactured with more relaxed tolerances while still achieving tight overall alignment through the setting element's reference geometry
Data Source
AI summary
A motor vehicle includes a supporting structure, a first component, fastened to the supporting structure, that forms a first part of an outer skin, a second component, fastened to the supporting structure, that forms an adjacent second part of the outer skin, and a setting element positioned in a defined manner relative to the second component and fastened at a gauged position of the first component.