Modular Torsion Beam Axle with Multi-Part Side Assemblies
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Solution Overview
Problem
Current rear wheel suspension systems, particularly torsion beam axles, are designed as single-unitary steel parts, limiting the use of new materials, modularity, and scalability, which increases production costs and time due to specific tailoring and reduced tolerances.
Innovation Solution
The design of torsion beam axles with multi-part side assemblies allows for the integration of various materials, including lightweight and stronger materials, enabling modular construction and improved tolerance compensation, achieved through pivotable connections and plug-in connections with depth control, facilitating the use of extruded components and cast parts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If single-unitary steel parts are used for torsion beam axles, then manufacturing simplicity is maintained, but weight reduction and material optimization are limited
Solution Approach 1:
The torsion beam axle is divided into multiple separate components including longitudinal members, cross members, and connection elements that can be manufactured from different materials and assembled together. This segmentation enables weight optimization by selecting lightweight materials for specific components while maintaining overall structural integrity and performance.
2Manufacturing precision
If specific tailoring and reduced tolerances are implemented, then manufacturing precision is improved, but production time and costs increase
Solution Approach 1:
By dividing the axle into modular components with standardized connection interfaces, the system achieves tolerance compensation through the assembly process rather than requiring ultra-precise single-piece manufacturing. This modular approach maintains manufacturing precision while significantly reducing production time and costs.
3Adaptability or versatility
If modular construction with multi-part assemblies is used, then adaptability and material optimization are improved, but manufacturing complexity increases
Solution Approach 1:
The modular axle system employs universal connection interfaces and standardized components that can be configured for different vehicle applications. This universality enables adaptability to various vehicle requirements while controlling manufacturing complexity through reuse of proven design elements across different configurations.
Data Source
AI summary
Torsion beam axles for vehicles are disclosed. An example torsion beam axle disclosed herein includes a first side assembly, the first side assembly including a longitudinal member and a receiver. The example torsion beam axle further including a second side assembly, and a cross strut extending transversely between the first side assembly and the second side assembly.