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Dimension, Tolerance & Assemblies - Coggle Diagram
Dimension, Tolerance & Assemblies
Dimensions
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
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Dimension lines, extension lines and object outlines should not cross or overlap
Tolerances
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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Assembly Modeling
In an assembly model, multiple parts are brought together to define a larger, more complex product representation. Assembly modelling facilitates the collaboration among designers, engineers, manufacturing technicians and others to ensure a product assembly works. Individuals in different disciplines can work concurrently, resulting in faster and less costly delivery of products to market.
Constructing an assembly normally begins with bringing in a base component, selected because of its central role. Each component brought in needs to be oriented and located relative to other components in the assembly. Assembly joints are used between elements of components.
Types of Joints
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Revolute Joint
Has a single rotational degree of freedom, much like a hinge.