工程制图第9章答案

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1、第9章　标准件及常用件9-1螺纹的规定画法和标注9-2螺纹紧固件9-3螺纹紧固件的连接画法9-4键、销和齿轮9-5齿轮、轴承和弹簧总目录Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.9-1螺纹的规定画法和标注(1)外螺纹大径M20、螺纹长30、1.按规定画法，螺杆长40、螺纹倒角2×45°绘制螺纹的主、左两视图(1:1)(2)内螺纹大径M20、螺纹长30、孔深40、螺纹倒角2×45°。。答案Evaluation

2、only.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.s粗牙普通螺纹202.5右5gs细牙普通螺纹201左6H中等梯形螺纹508右8e长管螺纹A级33.2492.309右锯齿形螺纹32243661右7e中等答案Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.M20×1.5LH-6HM24

3、-6hG3/4ATr32×12(P6)-8e-L答案Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.答案Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.(1)B型双头螺柱：螺纹规格=M12、公称长度=40mm，bm=。标记(2)A级Ⅰ型六角螺母：螺纹规格=24m

4、m。标记螺柱　ＧB/T897　M12×401240204.44.4M12螺母　GB/T6170　M2421.53639.55M24答案9-2螺纹紧固件Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.螺钉　GB/T65　M10×454538M101662.52.4垫圈　GB/T97.2　1617303螺栓　GB/T5782　M12×5530557.50.616.63M121820.03答案Evaluationonl

5、y.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.答案Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.答案Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011Aspo

6、sePtyLtd.答案Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.答案Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.答案Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.

7、0.Copyright2004-2011AsposePtyLtd.答案8-4键、销和齿轮1.已知齿轮和轴，用A型普通平键连接，轴孔直径为40mm，键的长度为40mm。（2）查表确定键和键槽的尺寸，用1:2画全下列各视图和断面图，并标注出（a）轴（1）写出键的规定标记：（b）齿轮图（a）和（b）中键槽的尺寸。Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.答案Evaluationonly.CreatedwithAs

8、pose.