Multi-axis tool path generation for surface finish machining of a rapid manufacturing process
by Jomy Francis; Todd E. Sparks; Jianzhong Ruan; Frank Liou
International Journal of Rapid Manufacturing (IJRAPIDM), Vol. 4, No. 1, 2014

Abstract: This paper proposes a completely automated, integrated tool path planning for the finish machining of freeform surfaces as a part of the hybrid metal additive manufacturing and CNC machining. This planning capability spans from a generation of b-spline freeform surfaces, to surface finish optimisation, to collision detection, to tool path generation. Two scallop height methods have been used to compare the optimal tool path strategy. Both collision detection of a tool with neighbouring surfaces and collision correction for a tool are solved using a novel extension of the bounding box, which uses body diagonal points for computation. This paper proposes a multiple screening technique to improve the computational efficiency of tool path generation calculations.

Online publication date: Thu, 23-Oct-2014

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