Tool Position and Orientation Global Optimization Intrinsic Geometry of Strip-width-maximization Manufacture Technology for Sculptured Surface

doi:10.3901/JME.2020.11.192

Abstract

Abstract: A universal tool position and orientation global optimization method is presented to generate the sculptured surface by strip-width-maximization machining with single point contact using non-ball-end cutters. Firstly, the tool motion equations are deduced to describe the generation of the sculptured surface by strip-width-maximization machining based on the idea of the surface moving frame. Secondly, comprehensively considering the influence of tool position and orientation, the functional optimized model of the tool positioning is established to enable the relative motion between the tool and the workpiece to be smooth and continuous, aiming at the highest machining efficiency and machining accuracy respectively. Finally, simulated examples, respectively with barrel tools in rotational main cutting motion and elliptic parabolic surface tools in linear translational main cutting motion, are taken to demonstrate the improved machining precision, efficiency and universality of the presented method.

Key words: sculptured surface, strip-width-maximization machining, tool position and orientation, moving frame

CLC Number:

TH212
TH213

ZHOU Kaihong, TANG Jinyuan. Tool Position and Orientation Global Optimization Intrinsic Geometry of Strip-width-maximization Manufacture Technology for Sculptured Surface[J]. Journal of Mechanical Engineering, 2020, 56(11): 192-201.

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