Development of Natural Rubber Tapping Tools: From Traditional Manual Operations to Intelligent Automation

This article systematically reviews the technological evolution of natural rubber tapping tools from traditional manual implements to intelligent automated equipment. The paper begins by examining the traditional manual tapping era, with particular emphasis on analyzing the technical characteristics and application limitations of typical tools such as V-type push pull knives. This analysis reveals manual tapping's heavy dependence on operator expertise and its associated challenges, including high labor intensity, low production efficiency, and inconsistent quality. The paper further explores cutting-edge developments in intelligent tapping equipment, systematically comparing two technical approaches: “one-tree-one-machine” stationary robots (including suspended and fixed-ring configurations) and “one-machine-multiple-trees” mobile robots (such as soft-rail-based and helical-motion designs). This comparative analysis examines their innovative designs, operational principles, and application potential, while identifying challenges encountered in pilot implementations, including high costs, technical complexity, and environmental adaptability. The article subsequently analyzes the key drivers of tapping tool evolution from multiple perspectives, encompassing labor force structural changes, economic pressures, technological advances, policy support, and international collaboration. It identifies current industry bottlenecks in cost–benefit optimization, technology dissemination, energy sustainability, and international competitiveness, while projecting future trends including the parallel development of lightweight and intelligent systems, data-driven precision agriculture, renewable energy integration, and advanced material innovation. Through systematic historical documentation and technical analysis, this study provides theoretical frameworks and practical insights for future innovations in rubber tapping technology. It holds substantial academic and practical significance in facilitating the transformation of the natural rubber industry toward a technology-intensive model and ensuring secure supply of strategic resources.