Abstract
Quality loss displays the role of importance in production. The less quality loss, the better characteristic of assembly appeared. In order for minimum quality loss, there exists a large amount of optimal models of tolerance allocation. However, the consideration of influence of assembly deformation is not introduced into these models. In aircraft assembly, thin-walled parts are tending to deform, while the parts of this type ubiquity have their existence in aircraft. Because of this, we have to take into account the assembly deformation in optimizing the tolerance allocation scheme. In this paper, we fist analyze the transfer relation of assembly deformation, then construct the optimal model of tolerance allocation with the consideration of assembly deformation and quality loss, finally, a case study of this methodology is introduced to verify this model.KeywordsOptimizationTolerance allocationAssembly deformationQuality lossModel
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