Download presentation
Presentation is loading. Please wait.
1
Pre-Engineering Introduction to CADD Scales
2
OBJECTIVE Reading and using a scale
3
Types of Scales Classified as open-divided scales and full-divided scales. Architect’s scale Civil Engineer’s scale Mechanical engineer’s scale Combination scale Metric scale
4
Architect’s Scale Used for architectural and structural drafting.
Divided into feet and inches. Triangular instruments include 11 different scales.
5
Architect’s Scales
6
Civil Engineer’s Scale
Also called decimal scale. Used in Civil engineering and manufacturing. Divided into units representing decimal parts of inch. Divisions may represent ay measuring unit.
7
Mechanical Engineer’s Scale
Used for drawing machine parts. Used for measuring in inches or fractional inches. Also called “size” scales.
8
Metric Scales Referred to as “size” scales.
Commonly referenced on drawings as ratios. Scale divisions based on number 10.
9
Drawing to Scale
10
Reading the Architect’s Scale
11
Reading the Mechanical Engineer’s Scale
12
Reading the Civil Engineer’s Scale
13
Reading the Metric Scale
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.