画法几何习题集解答

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1、1根据立体图作出三面投影，大小量取Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.5,6根据A点的坐标，作出三面投影和立体图a’’XYZAVHWaa’Oaa’a’’根据长对正，宽相等，高平齐ZXYY长宽高Evaluatio

2、nonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.aba’b’c’c’’d’d’’a’’b’’cdEvaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Co

3、pyright2004-2011AsposePtyLtd.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.9作出直线AB的侧面投影，画立体图’XYZOVWHaa’bb’a’’b’’ABEvaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.Evaluationonly.Crea

4、tedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.10求直线AB的实长，及对两投影面的倾角α，β做法提示：求α在水平投影上作，一直角边是水平投影，另一直角边为高度差。b’aba’α实长β实长求β在正面投影上，一直角边是水正面投影，另一直角边为宽度差。宽度差高度差Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.

5、Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.11已知直线AB的实际长度为55mm,求水平投影ab’a’高度差55mm水平投影b水平投影Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.Evaluationonly.CreatedwithAspose.Slidesfor

6、.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.12判别下列各直线的空间位置，并注明反映实际长度的投影a’bb’acdc’d’fee’f’gg’h’(h)直线ABCDEFGH空间位置水平线侧平线正平线铅垂线实长投影abc’’d’’e’f’g’h’Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.Evaluationonly.CreatedwithAsp

7、ose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.13判别CDE三点是否在直线AB上e’a’bb’acc’dd’eC点不在；D点不在；E点在。Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.Evaluationonly.CreatedwithAspose.Slidesfor.NET3