MEC 140

About Course:

Core Code: MEC 140

Course Name: MECHANICAL ENGINEERING DRAWING II

Credit Hour: 1

Overview of Orthographic projection and dimensioning: Orthographic projection; Different types of lines, their uses and their precedence in drawing; Convention of orthographic drawing; Components of linear and circular dimension; Rules and practices of dimensioning.

Section view: Overview of section View; Cutting line; Cutting Plane; Different types of sections: Full section, Half section, Revolved section, Removed section, Broken-out section; Section lining; Rules and practices of section view.

Drawing of Fastener: Thread and thread terminology, detailed representation of thread, Schematic representation of thread, simplified representation of thread, Nut and bolt terminology, thread calculation, drawing of hexagonal nut and bolt.

Gear Drawing: Gear terminology, Gear calculation, Drawing of gear teeth.

Assembly Drawing: Overview of assembly drawing; types of assembly drawing; Bill of materials; Assembly drawing practice.

AutoCAD: Overview of AutoCAD 2D drawing ; Use of GRID, ORTHO, SNAP tools; 2D drawing and editing; Linear and circular dimensioning in AutoCAD; 3D drawing using extrude, revolve and sweep tools; 2D and 3d view and view ports; Solid operation using union, subtract and intersect tools.

Course Outcomes (COs):

1. Sketch and understand different types of sectioned views

2. Sketch and understand fasteners

3. Sketch and understand gear drawing

4. Sketch and understand assembly drawing

5. Know the required AutoCAD commands

6. Apply the AutoCAD commands

Targeted Program Outcomes (POs): PO3, PO5

Lecture Materials:

1. Introduction to AutoCAD

2. Hand Note

3. Lecture Slide

4. Mechanical 2D Drawing Practice