机械制图标注注意事项课件.ppt

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1、,工程图中标注问题Valadon onry.ch Asposeslides for NET 4o dient PEvaluation only.Created with Aspose Slides for NET 4.0 dient Profilo71Copyright 2019-2019Aspose Pty L,目录链轮、齿轮、齿条、蜗轮、蜗杆类零件形位公差的画法与标注。剖视图、向视图、局部放大图的画法与标注四.粗糙度、倒角的画法与标注。五.其他情况的画法与标注。六.技术要求方面。七.组装图、明细表、标题栏方面。Valadon onry.ch Asposeslides for NET 4o

2、dient PEvaluation only.Created with Aspose Slides for NET 4.0 dient Profilo71Copyright 2019-2019Aspose Pty L,链轮、齿轮、齿条、蜗轮、蜗杆类零件Valadon onry.ch Asposeslides for NET 4o dient PEvaluation only.Created with Aspose Slides for NET 4.0 dient Profilo71Copyright 2019-2019Aspose Pty L,.1链轮、齿轮、齿条、蜗轮、蜗杆的主参数应填写在图

3、右上角的栏内,按规定顺序填写。如图1.1法向模数螺旋方向径向变位系数精度等级及其极限偏差配对齿轮检验项目代号差(或极限Valadon onry.ch Asposeslides for NET 4o dient PEvaluation only.Created with Aspose Slides for NET 4.0 dient Profilo71Copyright 2019-2019Aspose Pty L,变位系数公姜值Valadon onry.ch Asposeslides for NET 4o dient PEvaluation only.Created with Aspose Sl

4、ides for NET 4.0 dient Profilo71Copyright 2019-2019Aspose Pty L,顶高系数认问齿厚51配对蜗轮公差监公差(或板限Valadon onry.ch Asposeslides for NET 4o dient PEvaluation only.Created with Aspose Slides for NET 4.0 dient Profilo71Copyright 2019-2019Aspose Pty L,分度圆直径d2齿顶高系数变位系数x分度同齿厚s精度等级配对屿杆齿数公差组检验公差(或限项目偏差)值IIIValadon onry

5、.ch Asposeslides for NET 4o dient PEvaluation only.Created with Aspose Slides for NET 4.0 dient Profilo71Copyright 2019-2019Aspose Pty L,1.2链轮齿部宽度(bfl)一律不标公差。如图1.2f1图1.2Valadon onry.ch Asposeslides for NET 4o dient PEvaluation only.Created with Aspose Slides for NET 4.0 dient Profilo71Copyright 2019

6、-2019Aspose Pty L,1.3链轮齿根圆(df)、量柱测量距(M),统一按h11级公差标如图1.3图1.3Valadon onry.ch Asposeslides for NET 4o dient PEvaluation only.Created with Aspose Slides for NET 4.0 dient Profilo71Copyright 2019-2019Aspose Pty L,4主要参数栏内应标量柱测量距(MR)尺寸,量柱测量距(MR)=分度圆直径(d)+滚子直径(dR),此栏不标注齿根圆尺寸。如图1.4图Valadon onry.ch Asposeslides for NET 4o dient PEvaluation only.Created with Aspose Slides for NET 4.0 dient Profilo71Copyright 2019-2019Aspose Pty L,