机械制图:如何画螺纹??????

2024-12-01 10:19:31
推荐回答(5个)
回答1:

机械制图画螺纹应按机械制图标准要求画图与标注,对于螺纹应分齿形详图与零件图两部分,螺纹的画法固然重要,但其标注更是重点。

齿形图如下示:

 

零件图的画法与标注如下:

回答2:

内螺纹:小径是粗实线,大径是细实线;
外螺纹:大径是粗实线,小径是细实线;
内外螺纹配合时,在配合处:大径是粗实线,小径是细实线。
有一个简单记忆方法:不管是内螺纹还是外螺纹,在没有配合时,你就想着,能直接用手摸到的那个就应该划成粗实线。

回答3:

找了张图。你看完就应该知道怎么画了吧。

回答4:

牙底细实线,牙顶粗实线;垂直于螺纹轴线的视图用细实线画四分之三的圆弧;不可见螺纹用虚线。标准件选用就成了,说明是什么型号的。可以看看《机械设计手册》,里面全有的。

回答5:

细实线画个四分之三的圆。

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