lecture5 - Inst Cahrbel Seif Mech 220 1 Mech Mech 220 220...

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Unformatted text preview: Inst. Cahrbel Seif, Mech 220 11/8/2006 1 Mech Mech 220 220 Intro to Engineering CAD Intro to Engineering CAD Section Views 2/2 Section Views 2/2 FALL 2006-07 Inst.: Charbel Seif Office: Wing B - B-303 Extension: 3629 e-mail: [email protected] Inst. Cahrbel Seif, Mech 220 11/8/2006 2 Mech Mech 220: 5th LECTURE 220: 5th LECTURE SECTION VIEWS: SECTION VIEWS: Overview Overview ¡ Sections are used to simplify orthographic views by removing hidden lines. ¡ Sections may be used to replace orthographic views. ¡ Different types of sections are available: ¾ Full Section ¾ Half section ¾ Offset Section ¾ Aligned Section ¾ Revolved/Rotated Section ¾ Removed Section ¾ Assembly Section Inst. Cahrbel Seif, Mech 220 11/8/2006 3 Mech Mech 220: 5th LECTURE 220: 5th LECTURE SECTION VIEWS: SECTION VIEWS: Types of Sectional Views: Revolved Section view ¡ Revolved section is useful for showing cross sections of parts while saving space. Inst. Cahrbel Seif, Mech 220 11/8/2006 4 Mech Mech 220: 5th LECTURE 220: 5th LECTURE SECTION VIEWS: SECTION VIEWS: Revolved Sections Revolved Sections ¡ Revolved sections are used to show the cross-sectional shape of a bar, spoke, or arm in a single view. ¡ The cross-section is taken perpendicular to the view and then revolved 90 degrees around the center axis. Inst. Cahrbel Seif, Mech 220 11/8/2006 5 Mech Mech 220: 5th LECTURE 220: 5th LECTURE SECTION VIEWS: SECTION VIEWS: Revolved Sections Revolved Sections ¡ The rotated section resultes from swinging the cross section 90 degrees and it is shown on the same orthographic view. ¡ The depth of the cross section seen in the top view becomes the width in the front view. ¡ Height is determined from the actual height that exists in the front view at the position selected for the rotated section Inst. Cahrbel Seif, Mech 220 11/8/2006 6 Mech Mech 220: 5th LECTURE 220: 5th LECTURE SECTION VIEWS: SECTION VIEWS: Examples of Revolved Sections Examples of Revolved Sections ¡ Revolved sections are used to generate small cross sectional areas. ¡ If the view outline interferes with the section the view is broken. ¡ Revolved section is generated when dealing with ribs that run in longitudinal direction on a orthographic. Inst. Cahrbel Seif, Mech 220 11/8/2006 7 Mech Mech 220: 5th LECTURE 220: 5th LECTURE SECTION VIEWS: SECTION VIEWS: Types of Sectional Views: Removed Section view ¡ Removed section are used for the same purpose as rotated sections, but instead of being drawn on the same orthographic view, they are removed to some adjacent place on the paper....
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lecture5 - Inst Cahrbel Seif Mech 220 1 Mech Mech 220 220...

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