零件的测绘PPT课件

1、第1页/共33页 Analyzing the part Determining representation Drawing the sketch mapProducing the detail drawing Determine the front view and other views. After measuring, draw the sketch map. Draw the detail drawing. First, one should know the part.第2页/共33页第3页/共33页第4页/共33页 第5页/共33页 第6页/共33页 第7页/共33页第8页/共3

2、3页第9页/共33页 第10页/共33页本本 章章 结结 束束第11页/共33页 The part name: Material: Function: Used for cover the ball valve. Structure: The plates have flanges and four evenly arranged through holes. Machining: The castings made by founding and machining.Requirements: Aging treatment and fillet radii R13.R13mm First,

3、 one should know the part name, material, function, structure and machining shapes, as well as other requirements第12页/共33页 Choosing the front view: one should adopt full sectional front views to show the stepped holes. Determine the front view and other views. Choosing other views: Adopt side views

4、to convey its external structure and the distribution of the holes. 第13页/共33页After measuring, draw the sketch map. 1) Draw the border, title block, arrange and draw the datum line.2) Adopt appropriate presentations to draw the views. 3) Draw the border, dimension line and arrow and deepen the thick

5、lines. 4) Measure the dimensions, fill in the dimension values, technical requirements and title block . 第14页/共33页 Draw the detail drawing. 第15页/共33页The rest 其余其余 （ ）Notes 技术要求技术要求Use A2 drawing paper, scale is 1 1, producing the detail drawing The name of the part： Vale body of spray appliance.Mate

6、rial : HT200.Function: Used for vales connection three pipelines. 方案方案1 1方案方案2 2Title block 标题栏标题栏英国图样标题栏英国图样标题栏第16页/共33页 FINISHAS CAST OR TO BS1134 WHERE STATED THREADSTO BS 3643Vale seat with three pipelinesFILLET RADII R3 MMALL DIMENSIONS IN mm DIG NO. 1 ORIGINALSCALE1 :1PROJECTIONMATERIALCAST IR

7、ON10 TO BS 310 DRAWN DATE CHECKED DATE TOLERANCECAST DIMS1.5MACHINED DIMS 0.2,The rest ( )Use A2 drawing paper, scale is 1 1, producing the detail drawing The name of the part ： Vale body of spray appliance.Material : HT200.Function: Used for vales connection three pipelines. 第17页/共33页表达方案表达方案1 1第18

8、页/共33页表达方案表达方案2 2第19页/共33页The rest 其余其余 （ ）Notes 技术要求技术要求Use A2 drawing paper, scale is 1 1, producing the detail drawing The name of the part： Bracket of grinding wheel. Material : HT150.Function: Used for supporting grinding wheel. 方案方案1 1方案方案2 2英国图样标题栏英国图样标题栏Title block 标题栏标题栏第20页/共33页 FINISHAS C

9、AST OR TO BS1134 WHERE STATED THREADSTO BS 3643Bracket of grinding wheelFILLET RADII R3 MMALL DIMENSIONS IN mm DIG NO. 1 ORIGINALSCALE1 :1PROJECTIONMATERIALCAST IRON10 TO BS 310 DRAWN DATE CHECKED DATE TOLERANCECAST DIMS1.5MACHINED DIMS 0.2,The rest ( )Use A2 drawing paper, scale is 1 1, producing t

10、he detail drawing The name of the part： Bracket of grinding wheel. Material : HT150.Function: Used for supporting grinding wheel. 第21页/共33页砂轮头架砂轮头架 表达方案表达方案1 1第22页/共33页The rest 其余其余 （ ）Notes 技术要求技术要求方案方案1 1方案方案2 2Title block 标题栏标题栏Use A2 drawing paper, scale is 1 1, producing the detail drawing The

11、name of the part： Bracket. Material : HT150.Function: Used for supporting bearings. 英国图样标题栏英国图样标题栏第23页/共33页 FINISHAS CAST OR TO BS1134 WHERE STATED THREADSTO BS 3643BRACKETFILLET RADII R3 MMALL DIMENSIONS IN mm DIG NO. 1 ORIGINALSCALE1 :1PROJECTIONMATERIALCAST IRON10 TO BS 310 DRAWN DATE CHECKED DATE TOLERANCECAST DIMS1.5MACHINED DIMS 0.2,The rest ( )Use A2 drawing paper, scale is 1 1, producing the detail drawing The name of the part： Bracket. Mater