engineering drawings lecture letters numerals and...
Post on 13-Mar-2018
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Engineering Drawings:Letters Numerals and Lines
A short series of lectures on Engineering Drawing as Part of ENGG1960 By Paul Briozzo
Letters, Numerals and Lines• Upper case letters should be used except for conventional refs. e.g. mm, kg, kPa• Only one style of character should be used throughout a drawing• Vertical characters should be used for titles, drawing and reference numbers• Underlining of letters should be avoided • All characters on a drawing should be kept clear of lines
Appropriate Letter Height for Sheet Sizes
Different Types of Lines Available
Example of Usage
Appropriate Line Type and Thickness (mm)
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