采用计算机绘制和数控机床加工凸轮廓线时，都要输入直角坐标值。
Rectangular coordinate must be input when we use computer to draw CAM contour line or use numerically controlled machine to process it.
这种作图法可以直接求出凸轮的实际轮廓曲线而毋须绘制其理论轮廓线，因而使作图简化精确。
The proposed graphical method may directly plot the CAM profile without plotting its pitch curve, therefore its construction is more simplified and more accurate.
它能够绘制各种从动件运动规律曲线，计算凸轮轮廓坐标值及绘制凸轮廓线。
All kinds of Moving law curve of driven member can be drawn, coordinate data of CAM outline-calculated, and curve of CAM outline-drawn.
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