sectional-views-w-solutions

sectional-views-w-solutions - ME250 Design and...

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Sectional Views ME250 Design and Manufacturing I
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2 Outline What? Why? Rules Full Section Half Section Offset section Aligned Section Other Sections Summary
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3 What? An ugly rock?
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4 What? A pretty rock?
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5 What? A view that looks inside an object by taking an imaginary cut
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6 What? cutting plane cut material Sectional view label
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7 Why? Visualizing complex internal features is difficult with external views and hidden lines
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8 Rules Cutting Plane Line Arrows point to the portion being kept. Section Lines
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9 Rules Common Section Line Symbols
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10 Rules Common Section Line Symbols More in course pack
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11 Rules Rule 1: Sectioned area should be bounded by a visible outline
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12 Rules Rule 2: Section lines should be parallel
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13 Rules Rule 3: Visible edges behind the cutting plane should be shown
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14 Rules Rule 4: Hidden features should be omitted, except for threads and broken out sections
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15 Full Section Cutting plane passes fully through the object
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16 Full Section Used in many cases to avoid having to dimension hidden lines
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Full Section Exercise Sketch the front view as a full section. Material is steel
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sectional-views-w-solutions - ME250 Design and...

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