Diameter of a circle passing through the center of the conductors in any layer of a multiconductor cable.
On a straight thread, the diameter of the coaxial cylinder, the surface of which would pass through the thread profiles at such points as to make the width of the groove equal to one-half of the basic pitch. On a perfect thread this occurs at the point where the widths of the thread and groove are equal.
On a straight thread the pitch diameter is the diameter of the pitch cylinder. On a taper thread the pitch diameter at a given position on the thread axis is the diameter of the pitch cone at that position. Note: When the crest of a thread is truncated beyond the pitch line, the pitch diameter and pitch cylinder or pitch cone would be based on a theoretical extension of the thread flanks.
The diameter on a threaded object that lies between the major and minor diameters. See also major diameter, minor diameter, thread crest, thread depth, thread pitch, thread root
The diameter from the point of engagement of one tooth one side to the base of the opposing tooth on the other side of the gear.
Is the diameter of the pitch circle.
In thread geometry, the diameter of an imaginary cylinder of such diameter and location of its axis that its surface would pass through a straight thread in such a manner as to make the width of the thread ridge and the width of the thread groove equal. The pitch diameter is located, therefore, midway between the sharp major and sharp minor diameters of a given thread form. (empty)
The diameter of the pitch circle Up
The distance, measured through the center of a drum or sheave, from center to center of a rope passed about the periphery of the drum or sheave.
Diameter of a sheave or drum measured from the center line of the cable wrapped around it.
On straight threads, the diameter of the pitch cylinder.
The measurement of a gear or cylinder, determined by dividing the circumference by Pi (3.1416).
The effective diameter of a sheave, pulley or sprocket. The length of a chord passing through the center of the circle formed by the working circumference.
The mean diameter or point at which V-belts ride within a sheave. This dimension is necessary for accurate drive calculations.
Threaded cylindrical object diameter at a midway point between the diameter at the root or base of the threads and the maximum outside diameter of the threaded portion.