conical surface


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conical surface:

see conecone
or conical surface,
in mathematics, surface generated by a moving line (the generator) that passes through a given fixed point (the vertex) and continually intersects a given fixed curve (the directrix).
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conical surface

[′kän·ə·kəl ′sər·fəs]
(mathematics)
A surface formed by the lines which pass through each of the points of a closed plane curve and a fixed point which is not in the plane of the curve.

conical surface

conical surfaceclick for a larger image
A surface extending from the periphery of the horizontal surface outward and upward at a slope of 20 horizontal to 1 vertical for a horizontal distance of 4000 ft. It is an imaginary surface, in which any object that projects above the surface is considered an obstruction to air navigation.
References in periodicals archive ?
Because of the fact the intersection is both the spherical and conical locus we can indicate the identically equivalent circle of the spherical one on the flattened conical surface but of different properties e.
The tool moves by oscillating motion in direction parallel with the axis of this cylindrical surface that can cause the damage of the created conical surface even before the superfinishing.
The obtained insert shape required additionally the spark machining of three recesses on the conical surface, to be made after heat treatment by hardening.