| Summary: | 碩士 === 國立虎尾科技大學 === 機械設計工程研究所 === 103 === The variable speed mechanism includes reduction and increase transmission, is widely used in the robotics industry, medical industry, automotive, aerospace industries. With the demand for high-precision, high-speed ratio, high strength, the domestic variable speed mechanism have been unable to meet the robot industry''s strong demand, requiring active and innovative research and development. The main purpose of this study is to break all the world''s patent products, synthetic inventive products with global market potential, first of all, the use of creative mechanism design approach coupled with small teeth difference, muti-eccentric and multi-series design concept. First, Japanese Patent Nabtesco''s RV-20E as an exist design. The atlas of generalized kinematic chains can be obtained founded on the concepts of generalization and number synthesis. Through specialization, a generalized kinematic chain is converted to a specialized chain. A specialized chain subject to design constraints is called a feasible specialized chain. The atlas of specialized chains could be particularized into the corresponding schematic diagrams through the process of particularization. All the kinematic chain can be synthesized by a five-link transmission mechanism 16 kinds, 35 kinds of six links, 70 kinds of seven links, 116 kinds of eight links. Use CAD software to establish a solid model and use ABAQUS finite element software on the new continuous curve for contact stress, contact area, bending stress analysis of the optimal parameters of the tooth profile.
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