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Lesson 6 - Coggle Diagram
Lesson 6
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Types of Dimensioning
Chain Dimensioning (Should only be used if the function of the object would not be affected by the accumulation of the tolerances)
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Superimposed running (simplifies parallel dimensions in order to reduce the space used on a drawing)
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Dimensioning
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Circle (diameter) , Arc (radius)
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Rules of dimensioning
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Dimension , Extension and object lines should not cross or overlap
Should not be duplicated , same dimension should not be repeated on different views , or the same information need not be given in two different ways