AskDefine | Define hone

Dictionary Definition

hone n : a whetstone made of fine gritstone; used for sharpening razors

Verb

1 sharpen with a hone; "hone a knife"
2 make perfect or complete; "perfect your French in Paris!" [syn: perfect]

User Contributed Dictionary

English

Pronunciation

Noun

  1. An extra-fine-grit sharpening stone, especially one used for razors.

Translations

sharpening stone

Verb

  1. To sharpen on, or with, a stone of fine grit.
  2. To refine or master (a skill).

Translations

sharpen with a stone
refine or master

See also

Japanese

Noun

  1. : bone

Extensive Definition

A hone is a machine tool used in the manufacture of precision bores to improve the geometry, surface finish and dimensional control of the finished part. This process is called honing.
Typical applications are the finishing of cylinders for internal combustion engines, air bearing spindles and in gear manufacturing. Types of hone are many and various but all consist of one or more abrasive stones that are held under pressure against the surface they are working on.
The hone is usually turned in the bore while being moved in and out. Special cutting fluids are used to give a smooth cutting action and to remove the material that has been abraded. Machines can be portable, simple manual machines, or fully automatic with gauging depending on the application.
Modern advances in abrasives have made it possible to remove much larger amount of material than was previously possible. This has displaced grinding in many applications where "through machining" is possible. External hones perform the same function on shafts.

Cross-hatch Finish

A "cross-hatch" pattern is used to retain oil or grease to ensure proper lubrication and ring seal of pistons in cylinders. A smooth glazed cylinder wall can cause piston ring and cylinder scuffing. The "cross-hatch" pattern is used on brake rotors, and flywheels.
Other similar processes are lapping and superfinishing.

See also

hone in Azerbaijani: Honalama
hone in German: Honen
hone in Italian: Levigatrice
hone in Dutch: Honen
hone in Russian: Хонингование
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