Engineering Drawing: Instrumental Drawing & Dimensioning

1. Instrumental Drawing, Technical Lettering Practices and Techniques (1 hour)

1.1 Equipment, materials and drawing sheets (paper)

1.2 Description of drawing instruments, auxiliary equipment and drawing materials

1.3 Techniques of instrumental drawing

1.4 Pencil sharpening, securing paper, proper use of T-squares, triangles, scales dividers, compasses, erasing shields, French curves, inking pens

1.5 Line types and uses, thickness

2. Dimensioning (1 hour)

2.1 Fundamentals and techniques

2.2 Size and location dimensioning, SI conversions

2.3 Scales: Types and Representative factor

2.4 Use of scales, measurement units, reducing and enlarging drawings

2.5 Placement of dimensions: aligned and unidirectional, chain, parallel/baseline and combined type

2.6 Tolerance Dimensioning