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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

Sectioning of Assembly Drawings

Lecture 14

Autumn Quarter

topics for today
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
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
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
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
Orthographic Sectioned Assembly
  • Note cross-hatching style of adjacent parts

Autumn Quarter

conventions for standard parts
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

assignments
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