ENGINEERING CURVES

CLASSIFICATION OF CURVES:

(1) Conic curves or Conics - Ellipse, Parabola and Hyperbola.(2) Involute curves - of a circle and polygon. (3) Cycloidal curves

CONICS

ELLIPSE

PARABOLA

HYPERBOLA

CYCLOID

ProblemA circle of 40 mm diameter rolls along a straight line without slipping. Draw a curve traced by a point on the circumference for one complete revolution of the circle. Name the curve, draw the tangent and the normal to the curve at a point on it 25 mm above the straight line.

INVOLUTE