Development of an innovative, self-adjusting fixturing system with functional independence based on graph theory

Driven by the need to respond effectively to the dynamic demands of globalized markets, industrial organizations are continuously improving their manufacturing processes. In this context, manufacturing systems require flexible workpiece fixturing devices that ensure both effective and efficient operational repeatability to accommodate the growing trend of mass customization. This paper presents an innovative solution to meet the requirements of a self-adjusting fixturing system characterized by functional independence, defined here as the decoupling of key operations (such as thickness adjustment and clamping force) to enhance control and performance. To achieve this, the proposed approach integrates several theories and tools, including mechanism theory, graph theory, axiomatic design, and ergonomics. The result is a functional prototype that demonstrates the strengths of the proposed design approach in defining solutions with complex topologies for workpiece fixturing applications. This novel design offers significant practical benefits, including drastically reduced setup times and a pre-settable, independent clamping force. The methodology and resulting system provide a robust solution for flexible manufacturing, particularly in mass customization and future automated (Industry 4.0) environments.