SECTIONAL VIEWS

SECTIONAL VIEWS The position of the cutting plane is indicated by the center line A-A, 2. The part of the object behind the arrows is removed in the sectional view. The sectional view can either be an elevation or plan. 3. Cut surfaces produced by cutting planes are called sections and they are hatched with thin continuous lines, equally spaced and usually at 45º as shown.

Types of Sectional Views Half Sections

Types of Sectional Views Local or Broken-out Sections

Types of Sectional Views Part or Scrub Sections

Types of Sectional Views Revolved Sections

Types of Sectional Views Removed Sections

Types of Sectional Views Off-set Section

Types of Sectional Views Aligned Section

Omission of Hatch Lines Webs or Ribs and Spokes and Ribs

Details not Sectioned on Assemblies Spokes aligned and not sectioned

Details not Sectioned on Assemblies