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Joints and Assembly Drawings - Coggle Diagram
Joints and Assembly Drawings
TYPES OF DIMENSIONS
PARALLEL DIMENSIONING
SUPERIMPOSED RUNNING DIMENSIONING
CHAIN DIMENSIONING
COMBINED DIMENSIONING
DIMENSIONING SMALL FEATURES
DIMENSIONING OF MULTIPLE FEATURES
DIMENSIOING OF SMALL RADIUS
DIMENSIONING OF SMALL CIRCLES,ARC AND HOLE
DIMENSIONING ANGLES
RULES OF DIMENSIOING
Dimensions should not be duplicated
Avoid dimensioning to hidden lines and features
Dimension lines, extension lines and object outlines should not cross or overlap
Types of Tolerance
Bilateral Tolerance
Unilateral Tolerance
Limit Tolerance
Calculating Tolerance
Tolerance = Upper limit – Lower Limit
Clearance Fit
There would still be an allowance for two parts to move, such as in a door hinge.
Interference fit
it would be difficult to move (or remove) the two interfacing parts
TYPES OF JOINTS
RIGID
Fixes two components to one another; it provides no degrees of freedom.
Revolute
Has a single rotational degree of freedom, much like a hinge.
Slider
Cylindrical
Pin Slot
Planar
Ball
BILL OF MATERIAL
Material
Quantity of Each Part
Part Number