1 / 16

Involute Curve & Tangent/Normal Drawing

Learn about involute curve and how to draw tangent and normal lines to the curve at any point. Also, solve a homework problem involving a triangular plate and an elastic string.

brandona
Download Presentation

Involute Curve & Tangent/Normal Drawing

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Welcome Engineering Graphics - Lect 6

  2. Last lecture over view • What is an involute ???

  3. Tangent and normal • To draw tangent and normal to the involute at any point on th involute.

  4. Take any point P’ on the curve.

  5. Join this point with the centre of the circle.

  6. Bisect this line and get a centre of the line and mark it as C.

  7. With C as a centre draw a semicircle passing through P’. This semicircle cuts the main circle at point R.

  8. Join point R with the P’, this will be the normal to the given curve.

  9. Draw a line perpendicular to the normal line, to get a tangent line to the curve.

  10. Homework • A thin triangular equilateral plate of 20 mm side pinned at its centroid O. An elastic string circumscribes complete perimeter of plate one end of string is attached to the one of the apex of plate. Draw the curve traced by other end of string keeping it tight when the string is unwounded.

More Related