Why do we need section views? Ponder this question for a moment. Section View Drawings Why do we need section views? Ponder this question for a moment.
What shape do the hidden lines below represent? A standard hole.
What shape do the hidden lines below represent? Complex Interior Details
So why do we need Section Views? Section views clarify interior details that can not be clearly described by hidden lines in normal orthographic views. Section Views DO NOT include hidden lines.
Types of Section Views Full Half Revolved Removed Offset
Full Section Demo The APPLE
Full Section View Bracket with Cutting Plane Full Section – a section view that shows an object as if it were cut completely apart from one end to the other.
Front of Bracket Moved Away to Expose Front Surface Full Section View ** Full Section = ½ of the object being removed. Front of Bracket Moved Away to Expose Front Surface
Multiview Drawing of the Bracket
Full Section of the Bracket Normal View contains the Cutting Plane Line Note – Hidden Lines become solid Object Lines on the Section View
Creating a Full Section View Drawing Open your PHS “A” size border & title block. Create the base view for the part file titled, “Bracket Full Section.” Select the Top View Orientation
Creating a Full Section View Drawing In the Place View Tab, pick Section View. Pick the base view as the basis for the section view. Align the cursor with the center of the base view and draw a vertical cutting-plane line. Right-click and pick Continue.
Creating a Full Section View Drawing Move the cursor below the base view and pick a point to establish the section view. Notice that the cutting-plane line, section lines, and identifiers appear automatically.
Section View Line Types Cutting Plane Line – placed on the normal view to show on the normal view where the cutting plane passes through the object. Section Lining or Crosshatching – evenly spaced lines placed on the section view that show where material touched the cutting plane. Typically drawn at a 45⁰ angle.
Half Section Demo The GREEN PEPPER
Half Section View Half Section View – a section view in which the cutting plane goes through half of the object in two places, removing ¼ of the object. Most commonly used for symmetrical objects. End Cap with Cutting Plane
Front of End Cap Moved Away to Expose Front Surface Half Section View Front of End Cap Moved Away to Expose Front Surface
Multiview Drawing of Packing Gland
Half Section View of End Cap Normal View contains the Cutting Plane Line Note: Hidden Lines are removed from the Sectioned View. Section View contains the Crosshatching
Revolved Section View Revolved Section – a section view in which a cross-section of the object has been cut and turned 90° in place. Most Common Method
Revolved Section Other Acceptable Methods
Removed Sections Views Removed Section – similar to a revolved section except the cross-section that has been moved from within the object to a different location on the drawing sheet. Section A-A Note: Removed Sections must contain a labeling convention.
Removed Sections Views Section B-B Note: Removed Sections must contain a labeling convention.
Removed Sections Views Section C-C Note: Removed Sections must contain a labeling convention.
Removed Sections Views Section D-D Note: Removed Sections must contain a labeling convention.
Removed Sections Views Section E-E Note: Removed Sections must contain a labeling convention.
Offset Section Views Cutting plane lines need not pass directly across an object but may be offset to include several features.