Section Views ME 123 Visualization and CAD Full Section Front view Right side view in Full Section Left side view Hard to visualize. Compare with right side in section for readability General Guidelines • Use section lines to indicate “cut” material • Show all edges, not just “cut” material • No hidden lines except as needed for feature • Use object lines, not hidden lines, to outline “cut” material • Section lines same direction on each part • Cutting plane line in adjacent view • Section lines normally at 45 o Lines in Sectioning (a) (e) (d) (c) (b) CORRECT INCORRECT INCORRECT INCORRECT Hidden Lines in Section Views (A) (B) Direction of Section Lines INCORRECT CORRECT INCORRECT Normaly the section lines are at 45 degrees, but not if a feature of the part is at 45 degrees.
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Section Views
ME 123 Visualization and CAD Full Section
Front view Right side view in Full Section
Left side view
Hard to visualize. Compare with right side in section for readability
General Guidelines
• Use section lines to indicate “cut” material• Show all edges, not just “cut” material• No hidden lines except as needed for feature• Use object lines, not hidden lines, to outline
“cut” material• Section lines same direction on each part• Cutting plane line in adjacent view• Section lines normally at 45o