| 释义 |
▪ I. coning, vbl. n.|ˈkəʊnɪŋ|
[f. cone n.1 or v.1 + -ing1.]
The making of a cone-shaped tread (of a wheel); the condition of being coned (see coned ppl. a. 2).
1837W. B. Adams Carriages 297 The coning of the wheels must also act like a wedge... This, together with the coning of the wheels, would make a nearly perfect railway carriage. 1906Times 12 Sept. (Engin. Suppl.) 291/2 The coning of the wheels and the slight inward cant of the rails. 1960Horner & Abbey Dict. Terms Mech. Engin. ii. 85 Coning, the turning of the taper on the diameters of railway wheels and crane and turntable rollers.
2. Aeronaut. The action of the rotor blades of a helicopter slanting upwards when in motion so as to produce a cone-shaped pattern of rotation; hence coning angle: the angle at which the rotor blades rise in coning.
1931J. de la Cierva Wings of Tomorrow vii. 102, I supposed that it was preferable to keep the blades from coning, so that they would remain in a horizontal position while in flight. 1944H. F. Gregory Anything a Horse can Do 148 The angle the blade [of the rotor] makes with the horizontal is known as the coning angle. 1955Liptrot & Woods Rotorcraft v. 49 The physical effect of coning is to move all elements of the blade nearer to the axis of rotation.
▪ II. coning
obs. f. cony. |