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Control and Analysis of Nonlinear Error for 5-Axis Machining of Hybrid Machine Tool

Hong Gang Shi, Wei Xu, Guang Qi Cai

Abstract

Complex parts are the main object for CNC machining. The 3-TPS hybrid machine tool can achieve 3-axis, 4-axis, 5-axis, vertical and horizontal machining. The analysis of nonlinear error of the 3-TPS hybrid machine tool on 5-axis machining and the reduction the error by self-adaptation linearization are introduced in the paper. The obtained formula for nonlinear error can be used in different situations and estimate three-dimensional cutter evelope forming error.

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Key concepts: Machining, Machine tool, Nonlinear system, Numerical control, Linearization, Control theory (sociology), Engineering, Reduction (mathematics)