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1 MEMB113: ENGINEERING GRAPHICS & CAE 13 ASSEMBLY AND DETAIL DRAWING.

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Presentation on theme: "1 MEMB113: ENGINEERING GRAPHICS & CAE 13 ASSEMBLY AND DETAIL DRAWING."— Presentation transcript:

1 1 MEMB113: ENGINEERING GRAPHICS & CAE 13 ASSEMBLY AND DETAIL DRAWING

2 13 ASSEMBLY & DETAIL DRAWING MEMB113 | Dept. of Mechanical Engineering | UNITEN | 2005 2 Assembly and detail drawings There are several different types of engineering drawings: Detail drawings (single part drawing) Assembly drawing Collective part drawing Combined detail and assembly drawing Exploded drawing assembly

3 13 ASSEMBLY & DETAIL DRAWING MEMB113 | Dept. of Mechanical Engineering | UNITEN | 2005 3 Detail drawings Used as the main reference in the manufacture of individual components Should give complete detailed information to manufacture the component Should completely define shape and size Include all dimensions and tolerances Should include information related to material, treatment, surface finish, inspection required.

4 13 ASSEMBLY & DETAIL DRAWING MEMB113 | Dept. of Mechanical Engineering | UNITEN | 2005 4 Detail drawing

5 13 ASSEMBLY & DETAIL DRAWING MEMB113 | Dept. of Mechanical Engineering | UNITEN | 2005 5 Assembly drawing Used to show how a number of components are fitted together to make a complete product unit Will have min. info. such as overall size Each individual components is referenced by a number in a circle (balloon reference), and a leader pointing to it Parts list table is indicated on the drawing

6 13 ASSEMBLY & DETAIL DRAWING MEMB113 | Dept. of Mechanical Engineering | UNITEN | 2005 6 Assembly drawing

7 13 ASSEMBLY & DETAIL DRAWING MEMB113 | Dept. of Mechanical Engineering | UNITEN | 2005 7 Collective part drawings Alternative to single part drawing Shows an item with all dimensions, but those dimension/s which vary will be given a letter and, by reference to a table, the size/s and the part number can be obtained E.g. rivets or bolts The items have the same form but dimensions may vary

8 13 ASSEMBLY & DETAIL DRAWING MEMB113 | Dept. of Mechanical Engineering | UNITEN | 2005 8 Collective part drawings

9 13 ASSEMBLY & DETAIL DRAWING MEMB113 | Dept. of Mechanical Engineering | UNITEN | 2005 9 Combined detail & assembly drawing A combination of detailed and assembly drawing Used to show each items and the assembly on one drawing sheet Only suitable for small products, and simple assembly

10 13 ASSEMBLY & DETAIL DRAWING MEMB113 | Dept. of Mechanical Engineering | UNITEN | 2005 10 Combined detail & assembly drawing

11 13 ASSEMBLY & DETAIL DRAWING MEMB113 | Dept. of Mechanical Engineering | UNITEN | 2005 11 Exploded assembly drawing A pictorial drawing showing all components in a 3D form in their correct position for assembly Useful in DIY kit and giving information to not technically trained people

12 13 ASSEMBLY & DETAIL DRAWING MEMB113 | Dept. of Mechanical Engineering | UNITEN | 2005 12 Exploded assembly drawing

13 13 End of Chapter [11] References: - Engineering Drawing, A.W. Boundy, McGraw-Hill, 2000 - Fundamentals of Graphics Communication 3rd Edition, Gary Bertoline & Eric Weibe, McGraw-Hill


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