| Course Code： | MEE1160T |
| Course Name(in Chinese)： | 工程制图 |
| Course Name(in English)： | Mechanical Graphics |
| Course Category： | T |
| Target Studendts： | Materials Science and Engineering，Polymer Science and Engineering |
| Term Avaiable： | 1st term |
| Total Credit Hours： | 64 |
| Total Credits： | 4.0 |
| Prerequisites（Course Code）： | |
| Parallels（Course Code）： | |
| Course Descriptions： | The course mainly deals with the expressional means of 3D objects’ information on a 2D plane, also introduces the methods and the related national standards in the course of drawing and comprehending mechanical graphics for both the components and assemblies. |
| Textbooks Recommended： | [1].ZHAO Huiqing，《Mechanical Graphics》（1st Edition），Chemical Industry Press，Beijing，2003 [2].ZHAO Huiqing，《Mechanical Graphics Exercise Booklet》（1st Edition），Chemical Industry Press，Beijing，2003 |
| Supplementary Materials: | [1].DONG Guoyao etc，《Mechanical Graphics》，Beijing Institute of Technology Press，Beijing，1998 [2].WANG Wei，《Mechanical Graphics》，China Machine Press，Beijing，2002 [3].LIU Zhaoru WU Zhijun GAO Zhengyi XU Jimin，《Mechanical Graphics》（5th Edition），Higher Education Press，Beijing，2006 |
Learning Goals and Objectives
1. Learn the basic conceptions on projection to lay the solid foundation for drawing various mechanical graphics in the future.
2. Know about national standards on mechanical graphics and can consult them.
3. Train the essential abilities to draw and comprehend mechanical graphics.
4. Intensify the abilities to constructive design and draw without the aid of pencils, rubbers and other plot tools.
Course Content and Requirments
1. Basic knowledge on mechanical graphics (2 hours)
Preface, introduce engineering design actuality and the brief introduction of mechanical graphics and the software Inventor，basic rules of national standard for mechanical graphics(dimensions included)，basic theory about projection methods (introduce characteristics of orthographic projection，line and plane characteristics of orthographic projection）the basic three-view drawings and projection rules.
Requirments:
Understand the basic rules of national standards for the size of drawing paper, scale, text and line-type.
Realize how to use plot tools.
Know basic theory about projection methods, the basic three-view drawings and projection rules.
2. Projection views (2 hours)
Classification of solids, basic methods of 3D object-modeling for basic objects composed of plane surfaces (sketch drawing method and creation of stretch characteristic), create various solids, imagine projection views, conversion from 3D to 2D drawings (introduce projection views of a 2D engineering drawing), read 2D engineering drawings to imagine the related 3D objects, draw and dimension.
Requirments:
Read 2D mechanical graphics to imagine the related 3D objects, draw and dimension.
Master the basic methods of 3D object-modeling for basic objects composed of plane surfaces and the conversion from 3D objects to 2D drawings.
3. Projection views of solids composed of curved surfaces (2 hours)
Classification of solids composed of curved surfaces, basic methods of 3D object modeling for such solids (creation of rotation characteristic）, create various solids ,imagine projection views, conversion from 3D objects to 2D drawings, read 2D engineering drawings to imagine the related 3D objects, draw the third view according to the two known views, dimension.
Requirments:
Read 2D engineering drawings to imagine the related 3D objects, draw the third view according to the two known views, dimension.
Grasp the basic methods of 3D object modeling for such solids and the conversion from 3D objects to the corresponding 2D drawings.
4. Intersected objects (2 hours)
Objects( solids composed of planes and curves included) 3D modeling(introduce intersect method), create various intersected objects, imagine projection views, conversion from 3D objects to the corresponding 2D drawings, read 2D engineering drawings to imagine the related 3D objects, draw the third view according to the two known views, dimension.
Requirments:
Read 2D engineering drawings to imagine the related 3D objects, draw the third view according to the two known views, dimension.
Create 3D models of various intersected objects in computer practice.
5. Projection views of intersected objects (2 hours)
intersections：comprehend objects conformation, characteristic of intersections, create various intersected objects,，imagine projection views, conversion from 3D to the corresponding 2D drawings, realize the change tendency of intersections , read, complete intersections，dimension.
Requirments:
Draw the Projection views of the intersected objects, read and complete intersections，dimension.
Grasp basic 3D modeling methods for various intersected objects.
6. Projection views of composite objects (8 hours)
Composite objects (****yze construction of built-up objects by wooden models), create characteristic models of composite objects, conversion from 3D to the corresponding 2D drawings, read 2D drawings; Composite objects (****yze construction of cut-away objects by wooden models), create 2D engineering drawings according to the characteristic models of composite objects, read 2D engineering drawings.
Requirments:
Create 2D three views according to the characteristic models of composite objects.
Read three views of composite objects.
Dimensions of the composite objects.
Grasp the basic 3D modeling methods for composite objects.
7. Various views of parts in common use (8 hours)
Auxiliary views, full sections, cutaway views， prescriptive views，simplified views and local magnification views，the creating methods by Inventor.
Requirments:
Understand the conceptions, expressional means, dimensions and applications of Auxiliary views, partial views and oblique drawings.
Master the conceptions, expressional means, dimensions and applications of full sections, Half sections，broken sections, oblique sections, revolved sections, dimensions and the creating method by Inventor.
Grasp the conceptions, expressional means, dimensions and applications of cutaway sections and removed sections.
Know how to draw prescriptive views， simplified views and partial magnification views.
8. Standard components and common components (6 hours)
Know how to draw and symbolize bolt, Cap Screw and Stud and the creating methods by the software Inventor, draw the assembling drawings for them. Understand and draw the gears, keys, and pins, recognize them in an assembling drawing.
Requirments:
Know how to draw, symbolize, dim Bolt, Cap Screw and Stud , consult their information in the standard handbook.
Understand the symbols of Bolt, Cap Screw and Stud, know how to draw assembling drawings of them according to the standard prescriptive rules.
Understand the symbols of gears, keys, and pins and consult their information in the standard handbook, know how to draw their prescriptive views.
9. A Component drawing (8 hours)
Summarize the basic contents, discuss views expression and dimension styles of component drawings, so the technical structure, roughness and tolerance.
Requirments:
Know the function, contents and drawing procedures of a component drawing.
Grasp the properties of various technical structures and the basic knowledge about roughness and tolerance of the given component.
Comprehend the expressional means of the typical components and the dimension styles of the common structures to create component drawings correctly.
Comprehensive training: measure and draw the component drawings of bracket and shaft.
10. An assembling drawing (18 hours)
Realize the contents of an assembling drawing and views expressional styles (including prescriptive, specific and simplified views).Know the exact procedures and methods to draw an assembling drawing. Know the exact procedures and methods to comprehend an assembling drawing. Grasp the dimension styles for Assembling drawings and the assembly methods by Inventor.
Requirments:
Realize the function and contents of an assembling drawing.
Understand the views expression style, dimension styles of an assembling drawing. Know how to number components properly and fill in the components list and draw an assembling drawing properly and correctly.
Grasp the assembly methods in Inventor pracitce.
Assembling practice： According to the known components, draw an assembling drawing for such assemblies as a faucet, a filter and a speed reducer and so on.
Read the assembling drawing of a speed reducer to find out assembly relationship and working principle.
Disassembling practice: According to a piece of fairly easy assembling drawing, comprehend it and disassemble certain components from the assembly (required to read at least three pieces of assembling drawings).
Assignment
Every time the howework is assigned before class is over and should be handed in before the next class. The total times of the homework whether it is late or missing should amount to less than 20% of the certain times, otherwise the related student himself will not be allowed to take part in the examination.
Evaluation Approaches
Open examination
Asses**ent System
The final examination results are given out in five grades: A、B、C、D and F.