基于UG的STEP运动仿真函数对运动时间的控制分析

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This paper introduces the UG built-in STEP motion simulation function that can control model driven motion time so as to obtain the ensuing movement characteristics during different time periods. By analyzing the UG simulation module of motion control functions, this paper proposes a method to convert motion function model into UG simulation module in the STEP motion control functions, which can facilitate the designer in better understanding the characteristics of the mechanism motion simulation. Furthermore, the discussion is also made on how to use the STEP function to control the motion time of crank rocker mechanism, as well as to simulate the motion of double rocker mechanism within the given limits of movement.利用UG自带的STEP运动仿真函数可控制模型驱动的运动时间段，从而获得从动件在不同时间段运动变化规律的特点，分析了UG仿真模块中的运动控制函数，提出一种将运动函数模型转化为UG仿真模块内的STEP运动控制函数，以方便设计者更好地掌握机构的运动仿真变化规律．还阐述了在UG仿真模块中，如何使用STEP运动函数来控制曲柄摇杆机构运动时间以及对双摇杆机构在运动极限范围内的运动仿真．