工程制图习题答案P30.ppt

第30页：旋转剖和阶梯剖 n第一题 n第二题 n第三题 n第四题 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 返回 1.分析图中错误，作出正确局部剖视图。 错误正确 注意：波浪线不能穿 空而过，也不能超出 视图的轮廓线。 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 返回 2.在指定位置作出取局部剖视的主、俯视图 解析： 1. 选方案，视图不对称，虚线内形集于局部，适合用局部剖。 2. 局部剖的关键是选好波浪线位置。 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. P31- 3. 返回 解析： 1. 机件外形简单，有3类8个平行分 布的内部结构，易用阶梯全剖。 2. 阶梯剖标注，不管有多少阶均用 同一字母标示。 3. 应避免剖出不完全要素。 4. 同类内部要素不管有多少个，剖 出一个即可。 5. 回转体不管是否剖出，轴线都不 能省略。 6. 剖视已经表达清楚的内部结构， 其它视图相应部分，虚线可省。 A A A A A - A Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 返回 P31- 4. A AA A-A Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 返回 P31- 4. 旋转剖加 简化画法 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd. 返回 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile .Created with Aspose.Slides for .NE