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this thesis presented a new kind of hydraulic motor with swing planetary drive of bevel gears, and researched the calculation of the efficiency of the mechanism. The main significant or the main difficulties are: firstly, this is a kind of planetary drive of mechanism with space gearing; secondly, the driving component is the planetary gear with special… (More)
This paper applied the concept of “contact” in Differential Geometry into the machining of the sculptured surface. I presented the contact principle of the machining of complicated surfaces, using the circumference circle of the cylindrical cutter to sweep the curved surface instead of ballend mill. This is a highly effective method. In this… (More)
This paper researched the forming theory of the cutting tools with helical teeth and complex surfaces. Deduced the nonlinear equations of the movement of NC system to generate such tools, presented the way to find the solution of the equations, calculated the cross section graphics of the teeth profile and computer simulation of NC machining. 1. The cutting… (More)