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Sectioning of Assembly Drawings

Sectioning of Assembly Drawings. Lecture 14. Topics for Today. QUIZ Tomorrow – Sections Review - Sectioning of Revolved Solids Assembly Drawings Wednesday/Thursday – Lab #5 Material Joining & Beam Bending Read the lab notes and procedures before coming to lab.

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Sectioning of Assembly Drawings

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  1. Sectioning of Assembly Drawings Lecture 14 Autumn Quarter

  2. Topics for Today • QUIZ Tomorrow – Sections • Review - Sectioning of Revolved Solids • Assembly Drawings • Wednesday/Thursday – Lab #5 • Material Joining & Beam Bending • Read the lab notes and procedures before coming to lab Autumn Quarter

  3. Sectioning: Solid Revolutions Assembly Drawings • Tips for sectioning solid revolutions • What is an assembly drawing • How to section multiple parts in one drawing • What parts not to section Autumn Quarter

  4. Review - Tips For Sectioning Solid Revolutions • Ribs, webs and other thin features are normally not sectioned • Align (rotate into true size & shape): • Ribs • Bolt holes • Lugs • Spokes Autumn Quarter

  5. Assembly Drawing 3 1 • Shows how multiple parts fit together • Orthographic • Pictorial (1) • Exploded (2) • Bill of Materials (3) 2 Autumn Quarter

  6. Orthographic Sectioned Assembly • Note cross-hatching style of adjacent parts Autumn Quarter

  7. Conventions for Standard Parts • Not Sectioned – show all exterior features for: • Shafts • Bearings, roller or ball • Gear Teeth • Threaded Fasteners, Nuts and Bolts • Rivets • Ribs, Spokes and Lugs • Washers • Keys and Pins Autumn Quarter

  8. Example Sectioned Assembly Autumn Quarter

  9. Broken Out Assembly With B.O.M. Autumn Quarter

  10. Assignments • Dwg 27 – T49 • Complete section views • Due at end of today’s lecture • Dwg 28 – B21 • Sectioned Assembly • Due at beginning of next lecture Autumn Quarter

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