Knight's Mechanical Encyclopedia, Q., Quar′ter-ing

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19th-Century American

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Quar′ter-ing–ma-chine′.

A machine for quartering car driving-wheels on their axles, that is, boring the wrist-pin holes at 90° distance apart. A pair of wheels mounted on their axle is placed in the machine, the axle resting upon a pair of vertically adjustable rests, which take the weight off the centers. The boring-heads are adjustable radially from the center of revolution, so as to bore the holes for the wrist-pins at a distance equal to one half the stroke of the piston; a range of adjustability of, say, from 12 to 26 inches stroke. The machine is built for right or for left hand quartering, but, by being fitted with four boring-bars, is adapted for both kinds of quartering. See Fig. 4067.

1877.

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Knight's Mechanical Encyclopedia
Knight, Ed.

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Quar′ter-ing–ma-chine′.

Knight's Mechanical Encyclopedia Knight, Ed.

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Table of Contents:

Quar′ter-ing–ma-chine′.

Knight's Mechanical Encyclopedia
Knight, Ed.