为提高灭茬刀辊设计的可靠性和效率，基于UG - NX 3软件，根据运动方程绘制刀刃运动轨迹，形象直观的获取动态隙角。
For improving the design reliability and efficiency of the stubble roller, visualized dynamic gap Angle was obtained though drawing blade moving track according to movement equation using ug - NX3.
论述了在吊车荷载作用下的简支吊车梁的弯矩包络图的分段、方程求法，最后通过实例说明包络图的绘制。
The paper discussed the sectionalization, the method for finding equation and the drawing of the envelope graph of bending moments of the simple crane girder under the action of crane loads.
针对机构模型建立了约束方程，利用解析法求解机构的位置正反解，并绘制出机构装配简图。
Constraint equation was established according to mechanical model, utilizing the analysis, solving the forward and inverse position solution, and drawing the mechanical assembling sketch.
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