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Lesson 6 - Coggle Diagram
Lesson 6
Dimensions
Parallel dimensioning
Superimposed Running Dimensioning
Chain dimensioning
Combined Dimensioning
N x Dimensioning for multiple same dimensions
Dimensioning circles, arcs, and holes
Dimensioning angles
Tolerances
Bilateral Tolerance
Vary in two directions and do not need to vary by same amount
Unilateral tolerance
allowed to vary in one direction
Limit tolerance
Upper and lower limits of tolerance is specified
Assembly
Types of joints
Rigid
fixes two points together with no degrees of freedom
Revolute
has a single rotational degree of freedom
Slider
Cylindrical
Pin slot
Planar
Ball
Exploded view
Bill of material
Part number
Quantity of each part
Material
Clearance fit
Shaft is smaller than hole
Interference fit
Shaft is bigger than hole