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Product quality and sustainability in large dimension additive manufacturing(LDAM) highly rely on the kinematic and energy performance of LDAM systems.However, the mechanical vibration occurring in the fabrication process hindersthe further development of AM technology in industrial manufacturing. To thisend, a kinematic and energy performance optimization method for LDAM viavibration-suppressed toolpath generation (VTG) is put forward. Kinematicmodeling of LDAM system and related energy consumption modeling are firstconstructed to reveal that the toolpath of servo system assumes the mainresponsibility for kinematic and energy performance in LDAM. Thevibration-suppressed toolpath generation (VTG) method is thus proposed tocustomize servo trajectory for kinematic and energy performance optimization inLDAM. Extensive numerical and physical experiments are conducted on the W16cylinder, including the measurement and analysis of the mechanical vibrationamplitude, and assessment of the surface roughness before and after using theproposed VGT. These experimental results demonstrate that our VGT is able tosimultaneously achieve kinematic and energy performance optimization in LDAM,even though the fabricated part owns aberrant and complex morphology.

Vibration-suppressed toolpath generation for kinematic and energy performance optimization in large dimension additive manufacturing