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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 Lecture 14 Autumn Quarter
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
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
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
Assembly Drawing 3 1 • Shows how multiple parts fit together • Orthographic • Pictorial (1) • Exploded (2) • Bill of Materials (3) 2 Autumn Quarter
Orthographic Sectioned Assembly • Note cross-hatching style of adjacent parts Autumn Quarter
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
Example Sectioned Assembly Autumn Quarter
Broken Out Assembly With B.O.M. Autumn Quarter
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