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2D Drawing, Dimension and Tolerance - Coggle Diagram
2D Drawing, Dimension and Tolerance
Creating 2D version
Step 1: DRAWING > From Design
Step 2: SAVE an Empty Version
Step 3: Insert the BASE VIEW
Step 4: Insert PROJECTED VIEWS
Step 5: Add in DIMENSIONS and VIEW LABELS
Types of Dimension
Parallel, Superimposed Running, Chain Dimensioning, Combined Dimensioning, Dimensioning Small Features, Dimensioning of Multiple Features, Dimensioning of Radius, Dimensioning of Circle, Arc, and Hole,Dimensioning Angles
Rules of dimensioning
dimensions and drawings must be neat
Dimensions should not be duplicated
Avoid dimensioning to hidden lines and features
Dimension lines, extension lines and object outlines should not cross
Types of tolerance
Bilateral Tolerance:
Unilateral Tolerance:
Limit Tolerance
Clearance
there would still be an allowance for two parts to move,
interference fit
t would be difficult to move (or remove) the two interfacing parts. Usually, a lot of force is needed to remove the two parts.