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Dimensions, Tolerances and Assemblies - Coggle Diagram
Dimensions, Tolerances and Assemblies
Rules of Dimensioning
Generally, dimensions and drawings must be neat.
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Dimensions should not be duplicated, i.e. same dimension should not be repeated on different views, or the same information need not be given in two different ways
Dimension lines, extension lines and object outlines should not cross or overlap
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Types of Tolerance
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1 Bilateral Tolerance
allowed to vary in two directions from the specified dimension. Both directions need not vary by the same amount.
Calculating Tolerance
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Tolerance is defined as the difference between the upper limit of a dimension and the lower limit of the dimension.
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