Abstract

Computer numerical control (CNC) wood carving technology is increasingly becoming an integral part of the wood processing industry in Vietnam, gradually replacing traditional wood carving methods. This technological advancement not only enhances the aesthetic quality of wood products but also significantly reduces production time and labor costs. However, most manufacturers of CNC wood carving machines do not disclose their design processes, making it challenging for users to select machines that meet their specific requirements. This study focuses on the design and development of a small-scale, 3-axis CNC wood carving machine. The objective is to create a machine that is fully functional, efficient, cost-effective, and easy to maintain. The research includes the conceptual design, 3D modeling, and simulation of the machine, emphasizing precision, smooth operation, and minimal error rates. Finite element analysis (FEA) was conducted to validate the structural durability of the 3D model. Following the simulation, a prototype was fabricated and tested. Experimental results demonstrate that the machine can effectively perform a range of tasks—including carving, milling, and drilling—on materials such as wood, mica, and soft metals like aluminium.

Keywords

CNC wood carving, 3-Axis CNC machine, Prototype development, Finite element analysis (FEA), Design and fabrication.

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