Drop forging

Drop forging
Drop Drop (dr[o^]p), n. [OE. drope, AS. dropa; akin to OS. dropo, D. drop, OHG. tropo, G. tropfen, Icel. dropi, Sw. droppe; and Fr. AS. dre['o]pan to drip, drop; akin to OS. driopan, D. druipen, OHG. triofan, G. triefen, Icel. drj[=u]pa. Cf. {Drip}, {Droop}.] 1. The quantity of fluid which falls in one small spherical mass; a liquid globule; a minim; hence, also, the smallest easily measured portion of a fluid; a small quantity; as, a drop of water. [1913 Webster]

With minute drops from off the eaves. --Milton. [1913 Webster]

As dear to me as are the ruddy drops That visit my sad heart. -- Shak. [1913 Webster]

That drop of peace divine. --Keble. [1913 Webster]

2. That which resembles, or that which hangs like, a liquid drop; as a hanging diamond ornament, an earring, a glass pendant on a chandelier, a sugarplum (sometimes medicated), or a kind of shot or slug. [1913 Webster]

3. (Arch.) (a) Same as {Gutta}. (b) Any small pendent ornament. [1913 Webster]

4. Whatever is arranged to drop, hang, or fall from an elevated position; also, a contrivance for lowering something; as: (a) A door or platform opening downward; a trap door; that part of the gallows on which a culprit stands when he is to be hanged; hence, the gallows itself. (b) A machine for lowering heavy weights, as packages, coal wagons, etc., to a ship's deck. (c) A contrivance for temporarily lowering a gas jet. (d) A curtain which drops or falls in front of the stage of a theater, etc. (e) A drop press or drop hammer. (f) (Mach.) The distance of the axis of a shaft below the base of a hanger. [1913 Webster]

5. pl. Any medicine the dose of which is measured by drops; as, lavender drops. [1913 Webster]

6. (Naut.) The depth of a square sail; -- generally applied to the courses only. --Ham. Nav. Encyc. [1913 Webster]

7. Act of dropping; sudden fall or descent. [1913 Webster]

{Ague drop}, {Black drop}. See under {Ague}, {Black}.

{Drop by drop}, in small successive quantities; in repeated portions. ``Made to taste drop by drop more than the bitterness of death.'' --Burke.

{Drop curtain}. See {Drop}, n., 4. (d) .

{Drop forging}. (Mech.) (a) A forging made in dies by a drop hammer. (b) The process of making drop forgings.

{Drop hammer} (Mech.), a hammer for forging, striking up metal, etc., the weight being raised by a strap or similar device, and then released to drop on the metal resting on an anvil or die.

{Drop kick} (Football), a kick given to the ball as it rebounds after having been dropped from the hands.

{Drop lake}, a pigment obtained from Brazil wood. --Mollett.

{Drop letter}, a letter to be delivered from the same office where posted.

{Drop press} (Mech.), a drop hammer; sometimes, a dead-stroke hammer; -- also called drop.

{Drop scene}, a drop curtain on which a scene is painted. See {Drop}, n., 4. (d) .

{Drop seed}. (Bot.) See the List under {Glass}.

{Drop serene}. (Med.) See {Amaurosis}. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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Look at other dictionaries:

  • drop-forging — dropˈ forging noun The process of shaping metal parts by forging between two dies, one fixed to the hammer and the other to the anvil of a steam or mechanical hammer (dropˈ forge noun and transitive verb) • • • Main Entry: ↑drop …   Useful english dictionary

  • drop forging — n. a product made by drop forging …   English World dictionary

  • Drop forging — Drop forging. См. Штамповка. (Источник: «Металлы и сплавы. Справочник.» Под редакцией Ю.П. Солнцева; НПО Профессионал , НПО Мир и семья ; Санкт Петербург, 2003 г.) …   Словарь металлургических терминов

  • drop forging — noun : a forging made by the force of a dropped weight (as in a drop hammer) * * * Metalworking. a drop forged object. [1880 85] * * * drop forging, a drop forged forging …   Useful english dictionary

  • drop forging — Metalworking. a drop forged object. [1880 85] * * * Process of shaping metal and increasing its strength. In most forging, an upper die is forced against a heated workpiece positioned on a stationary lower die. If the upper die or hammer is… …   Universalium

  • drop forging — an operation in which a metal shape is formed by forcing hot metal into impressions formed in solid blocks of hardened alloy steel, the forging dies. The dies are made in halves, one attached to the rising and falling block of the drop forge and… …   Mechanics glossary

  • drop forging — Смотри Прессование …   Энциклопедический словарь по металлургии

  • drop forging — Смотри объемная штамповка …   Энциклопедический словарь по металлургии

  • drop forging — A piece of steel shaped between dies while hot …   Dictionary of automotive terms

  • drop forging operations — Смотри кузнечно штамповочное производство …   Энциклопедический словарь по металлургии

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