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LESSON 6 - Coggle Diagram
LESSON 6
Dimensions
Different types of dimensioning
Chain Dimensioning
Datum Dimensioning
Super-imposed Running Dimensioning
Combined Dimensioning
Small Dimensioning Features
Dimensioning of multiple features
Dimensioning of Radius
Dimensioning of Arcs
Angular Dimensioning
Specific measurements of a side and angle of a design
Don'ts
No repeating dimensions for clarity's sake
Have the dimensions be as easily understood as possible for clarity
Tolerances
Range to take into account manufacturing limitations
Ensures mating parts of an assembly interface and fit well
3 types of Tolerances
Bilateral Tolerance
Bilateral Tolerance
Unilateral Tolerance
Allowed to vary in only 1 direction
Limit Tolerance
Upper and lower limits of a dimensions is specified
Assemblies
Multiple parts are brought together to form a single design
Each component accounted for
Use of joints to combine components
Types of basic joints
Rigid
Fixes 2 components together without any freedom of movement
Revolute
Turns a component into a hinge with a single degree of rotation