# axis of rotation

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Related to axis of rotation: Instantaneous axis of rotation

## axis of rotation

[′ak·səs əv rō′tā·shən]
(mechanics)
A straight line passing through the points of a rotating rigid body that remain stationary, while the other points of the body move in circles about the axis.

## axis of rotation

i. The line through the rotor head of a helicopter at right angles to the plane of rotation. The blade rotates around this axis.
ii. The centerline about which the propeller rotates.
References in periodicals archive ?
Then, using vertical lines, close the function representing the endpoints and the axis of rotation as in Figure 6.
[[phi].sub.O] is the angle between the object's center of gravity and the first axis of rotation, as shown in Figure 5.
[omega] Angular velocity of the centrifuge [g.sub.r] Radial acceleration owing to angular velocity=r[[omega].sup.2] [v.sub.r] Radial velocity of the bubble [F.sub.Dr] Viscous drag on the bubble in the radial direction [F.sub.Br] Buoyant force on the bubble in the radial direction d Bubble diameter [p.sub.b] Bubble pressure [r.sub.f] Radial distance from the free surface to the axis of rotation r Radial distance of the bubble from the axis of rotation [p.sub.cham] Ambient pressure in the centrifuge T Polymer temperature (assumed to be uniform and constant).
The Southern Cross is almost in line with the Earth's axis of rotation in this hemisphere, but is so high over the horizon that it is difficult to use to determine bearings.
Keep most of your body weight on the left leg and be countering the ball so that your spine is away from the axis of rotation.
Parallel to traffic, she retains a centrifugal relationship to the lanes she occupies, strides away from the main, parent axis of rotation,
A horizontal, circular filter disk is mounted for rotation in the sense of arrow R about a vertical axis of rotation A-A'.
Bearings housings absolute vibration was measured with pjezoaccelerometers 2PH, 3PA, 5PA, 5PH and 8PH (sensitivity 100 mV/g, resonance frequency 22 kHz) in two directions: radial (H) and axial (A) reference to vertical axis of rotation. Measurement data was analysed with Vibration signal analysers (Ahash A4300, A4101, CZ).
There are regions on our Moon that, because of the orientation of its axis of rotation to Sun's light, are permanently shrouded in darkness.
Each joint has its own axis of rotation. There is task when calibrate the industrial robot--to determine of all axes position in laser tracker reference frame.
Particular embodiments may further include mechanically transferring the strip of material from the application surface to the axially tapered building surface, the axially tapered building surface rotating about an axis of rotation during the step of translating.
The wobble in Earth's axis of rotation is a combination of two major components: Chandler wobble, thought to arise as Earth is not rigid, and another is the annual wobble, related to Earth's orbit around the sun.

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