Knurling

Knurling

Serrations or other indentations on a metal surface such as a clock hand-set button, designed to improve the grip of the fingers upon it. Knurling is produced by a knurling tool which carries a hardened steel wheel with the desired pattern upon it. This wheel turns on a hardened shaft lying across a slot cut in the holder. The part to be knurled is rotated in the lathe while the tool is pressed hard against it. In mass production, special machine-knurling tools are used.

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Part of Speech: noun
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Industry/Domain: Chronometry
Category: Clock
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Related terms

knurling

Chronometry; Clock

Serrations or other indentations on a metal surface such as a clock hand-set button, designed to improve the grip of the fingers upon it. Knurling is produced by a knurling tool ...

knurl

Sports; Weightlifting

This is the crisscross pattern on part of a bar's surface, which makes it easier to grip.

knurling

Metals; Metalworking

Knurling is a manufacturing process, typically conducted on a lathe, whereby a diamond-shaped (criss-cross) pattern is cut or rolled into metal.

knurl

Aviation; Aeronautics

A type of finish used on the handle of some metal tools to keep the handle from slipping in your hands. Knurling is done by pressing a special tool against the handle while it is ...

knurled

Language; Dictionaries

Full of knots; gnarled.

reverse painting

Chronometry; Clock

A picture or design often used on a clock tablet and painted on the back side of a glass in reverse order of a normal painting.

reverse fusee

Chronometry; Clock

The reaction of engagement of the great wheel with its pinion is transmitted to its pivot and, in the usual layout, the pull of the fusee line adds to this load. In the ...

rete

Chronometry; Clock

The rotatable circular star map of an astrolabe, in the form of a network of pierced and engraved metal.

frosting

Chronometry; Clock

The granular or matted finish given to the surface of brass clock parts prior to gilding. It is produced by dipping the parts briefly into a concentrated mixture of nitric and ...

front wind

Chronometry; Clock

A clock that is wound through an opening in the dial.

free pendulum

Chronometry; Clock

It has been known for a long time that a 'free' pendulum clock will achieve perfect timekeeping. A pendulum, to achieve this, would maintain its arc and do no work, without ever ...

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