W7WS+S11+Student+Workbook

W7WS+S11+Student+Workbook - Exploration of Engineering...

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Engineering Education EngE 1114, Spring 2011 Exploration of Engineering Design Week 7 Workshop Dimensions, Scale, and Tolerances
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Engineering Education Week 7 Workshop Dimensioning Scale Tolerance Sketching
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Engineering Education In which view should the height of the base be given? A B C D WHY?
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Engineering Education Identify the poor dimensioning practices Education
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Engineering Education Principles of Good Dimensioning Include sufficient dimensions Dimension each feature only once don’t over dimension Dimension features in the most descriptive view This is the Contour Rule Don’t dimension to hidden lines if at all possible Avoid dimensioning inside the object Dimension holes in the circular view, Dimension positive cylinders in the rectangular view Dimension arcs <= 180 o with radius symbol, R Dimension arcs > 180 o with diameter symbol, Ø Extension lines should not touch object Extension lines should not cross dimension lines Dimension between views if possible
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Engineering Education Use good dimensioning practices to dimension the object Education
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Engineering Education If the holes were positive cylinders where would you dimension them?
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This note was uploaded on 10/02/2011 for the course ENGE 1114 taught by Professor Twknott during the Spring '06 term at Virginia Tech.

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W7WS+S11+Student+Workbook - Exploration of Engineering...

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