Abstract
Machining requires correct workpiece location and restriction. Fixtures secure the workpiece for reproducibility, uniformity, and accuracy. The Workpiece Fixture System (WFS) minimises workpiece elastic deformation to improve machining quality. Elastic deformation impacts workpiece shape and precision. The workpiece's elastic deformation prevented even the most exact machinery from tightening tolerances. Deformation prediction and optimisation require much study. Batch or large production WFSs involve workpiece and fixture setup for machining. Fixture layout design (FLD) involves strategically placing locators and clamps around a workpiece to optimise machining and reduce machining forces. The right FLD holds the workpiece against cutting forces, minimising elastic deformation. FLDs depend on proper locator and clamp placement. FLD optimisation in WFS is essential for high-quality, low-cost machining.
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