| The planar double-enveloping worm is independently developed by our country scholars. Since it has the advantages of double line contact, larger composite cure radius, compared with the normal worm, it has important applications in industry. Therefore in order to improve the planar double-enveloping worm machining accuracy and efficiency and lower the production costs, witch become a very important task for machining equipment and methods developed study.Based on the planar double-enveloping worm meshing analysis, and based on four axis-interplation planar double-enveloping worm machining principle, analyzed and discussed the structure and machining method of the NC grinding machines. Made a whol design program of planar double-enveloping worm NC machine. The machine can achieve three-axis interplation turning and four-axis interplation grinding of planar double-enveloping worm. At the same time, the key used for grinding parts-machine tool spindle, rotary grinding head grinding head and drive the rotary table for a detailed structural analysis and design. And in accordance with the processing of planar double-enveloping worm main function of the requirements of the original spindle NC lathe for the transformation process to meet the worm at the exact location and degree requirements. In the transformation of the device after a worm grinding pilot study validated the use of grinding theory and method.In order to verify the academic analysis,we made a sufflciet an deep experiment. For those, based on CDK6150 NC lathe to make a grinding machine, which not only grinding but also turning. According to the actual needs of the production, analysis of the grinding and turning for planar double-enveloping worm machining theory, methods based on turning the programming and computer simulation analysis, and used in cement grinding worm turning into a knife used in Taiwan and turning a series of tests to verify the correctness of the theory and method of high practical value.
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