推荐回答(4个)
齿顶圆是用粗实线,齿根圆是用细实线或省略不画。以下是解决方法:
1、打开CAD软件用绘图功能。

2、肆差打开工具→表达含毕式,输入参数。确定后打开规律曲线,在出现的规律函数对话框中点击根据方程,依次确定X、Y、Z的参数表达式,一裂老皮直点确定。到最后确定基点和坐标系的方位也确定就好。

3、打开基本曲线,点击圆,依次画出齿顶圆、基圆。

4、根据齿轮的分度圆直径,齿顶圆直径,齿宽等各项参数,绘制齿轮。

5、最后把齿轮的参数表弄上,就完成了。
齿顶圆用粗实线,齿根圆用细实线或省略不画,分度圆用点画线画出,以齿轮圆简凳心为圆心,齿顶圆的半径用齿轮的最大的那个半径,牙根圆的半径为齿顶圆减全齿高。
以两条直线的交点为圆心,150为半径绘制一个圆;
以垂直的直线与半径为75圆的交点为圆心,17.5为半径绘制一个圆;
将半径为17.5的圆以两条相交直线的交点为阵列的中心点阵列6个,并删除半径为75的圆;
以半径为150的圆和水平线的左交点为第一点画一条与水平线成15角的线;
以半径为150的圆和水平线的左交点为第一点画一条与水平线成-15角的码饥线;
并修剪掉多余的线:将组成齿形的三部分(两段线和一小段弧)以两相交直线的交点为阵列的中心点,阵列22个,并 修剪掉多余的弧线。

扩展资料:
齿轮的齿形包括齿廓曲线、压力角、齿高和变位。渐开线齿轮比较容易制造,因此现代使用的齿轮中 ,渐开线齿轮占绝对多数,而摆线齿轮和圆弧齿轮应用较少。
在压力角方面,小压力角齿轮的承载能力较小;而大压力角齿轮,虽然承载能力较高,但在传递转矩相同的情况下轴承的负荷增大,因此仅用迟咐返于特殊情况。而齿轮的齿高已标准化,一般均采用标准齿高。变位齿轮的优点较多,已遍及各类机械设备中。
参考资料来源:百度百科-齿根圆直径
以齿轮圆心为圆心,齿顶掘蠢圆的半径用齿轮的最大的那个半径,牙根圆的半径为齿顶圆减全齿高。
齿轮懂得具体判派陪画法:
1、 打开CAD,打开没有画完的齿轮图形;接下来要画羡棚它的左视图
2、齿轮的分度圆直径d1=m*z;
齿顶圆直径d2=m*z+h;
齿根圆直径d3=m*z-h;
3、打开参数管理器,弹出对话框;点击对话框左上方带*的f,创建新的用户参数
4、在参数管理器中输入m,z,h,α;录入数值
5、用点划线画分度圆:点击参数化→直径标注;输入m*z
6、接着用实线画齿顶圆;点击参数化→直径标注;输入m*z+h
7、用同样的方法画出齿根圆:输入m*z-h
8、再次打开参数管理器,看到如下图

齿顶圆用粗实线,齿根圆用细实线或省略不画,分度圆用点画线画出
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