Research on Bionic Force-saving Cutting Tool Based on Structure Characteristics of Limpet's Teeth

Abstract Along with the transformation and upgrading of the manufacturing industry and the arrival of the industrial revolution, the structure of parts is becoming more and more complex, the variety of materials, the demand for cutting performance of tools is increasingly diversified, and the design and development of tools are facing many challenges. By studying the cutting phenomena in nature, scholars have discovered that the teeth and claws, etc., of living organisms have unique structural characteristics, the design and development of tools that mimic the structural features of living organisms have become a new research direction. In order to solve the problem of high energy consumption in the cutting process and to reduce the resistance of the cutting process, five bionic cutting tools were designed based on preparation and geometric feature extraction of limpet teeth and applying them to the design of the tool structure, using the cutting force as the cutting performance index, and exploring the cutting performance of the bionic tools by comparing them with ordinary tools. The cutting force analysis revealed that the No. 2 bionic tool had a significant force-saving effect, with a 16.2% reduction in cutting force. The effect of cutting parameters on the No. 2 bionic tool was investigated through single-factor experiments. The results show that a limpet bionic cutting tool with appropriate dimensional parameters has a significant force-saving effect and improves the tool's cutting performance.