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Dimensions, Tolerances, Assemblies - Coggle Diagram
Dimensions, Tolerances, Assemblies
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Types of Dimensioning
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Dimensioning of Circle, Ark & Hole
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Bilateral Tolerance: allowed to vary in two directions from the specified dimension. Both directions need not vary by the same amount.
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Calculating Tolerance
Tolerance is defined as the difference between the upper limit of a dimension and the lower limit of the dimension.
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Assembling Multiple Parts
In order to bring a product to life, very often, multiple parts and components are needed.
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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. Usually, a lot of force is needed to remove the two parts. Examples are shafts that are fitted through bearings, so that the shaft does not slip.