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Lesson 6 - Coggle Diagram
Lesson 6
Dimension
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Dimension pf Circle, arc and hole
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Rules- No overlapping , no duplicated dimensions and dimensioning hidden lines
Tolerances
Tolerances are included with dimensions in engineering drawings to take into account these manufacturing limitations.
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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.
Assemblies
Constructing an assembly normally begins with bringing in a base component, selected because of its central role.
Interference Fit
interference fit, it would be difficult to move (or remove) the two interfacing parts.
Clearance Fit
clearance fit, there would still be an allowance for two parts to move, such as in a door hinge.