major diameter

major diameter

[′mā·jər dī′am·əd·ər]
(design engineering)
The largest diameter of a screw thread, measured at the crest for an external (male) thread and at the root for an internal (female) thread.
References in periodicals archive ?
That's when the major diameter of the ellipse is the largest and the structural integrity of the tip is the weakest.
Major diameter (a) and minor diameter (b), at right angle to major, was recorded and profile diameter of islet was determined by taking square root of the product of a and b diameters.
Most rifle barrels have a major diameter of sufficient length for this to be accomplished rearward of the barrel taper.
Limited Tenders are invited for 1)Conical Shell Mill Cutter 45 Deg, Minor Diameter : 50 Mm (Approx), Major Diameter : 145 Mm (Approx), Ap : 48 Mm (Approx), No.
The chamber throat is the area that extends forward from the case neck area in the chamber to the first point of major diameter, which is land diameter.
The major diameter of the nests and the shortest distance between them were estimated with a measuring tape.
The major diameter of one rotor interacts with the minor diameter of the opposing rotor, and this dictates that the rotors be run at even speed.
By etching the elliptical bowtie dipole with the major diameter of [L.
The major length is defined as the longest feature in the direction parallel to the stem, while the major diameter is the maximum feature perpendicular to the stem.
This sorting technology measures the major diameter and length dimensions of any part while eliminating potentially damaging effects of handling.

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