Rotary shears

Rotary shears
Rotary Ro"ta*ry, a. [L. rota a wheel. See {Roll}, v., and cf. {barouche}, {Rodomontade}, {Rou['e]}, {Round}, a., {Rowel}.] Turning, as a wheel on its axis; pertaining to, or resembling, the motion of a wheel on its axis; rotatory; as, rotary motion. [1913 Webster]

{Rotary engine}, steam engine in which the continuous rotation of the shaft is produced by the direct action of the steam upon rotating devices which serve as pistons, instead of being derived from a reciprocating motion, as in the ordinary engine; a steam turbine; -- called also {rotatory engine}.

{Rotary pump}, a pump in which the fluid is impelled by rotating devices which take the place of reciprocating buckets or pistons.

{Rotary shears}, shears, as for cloth, metal, etc., in which revolving sharp-edged or sharp-cornered wheels do the cutting.

{Rotary valve}, a valve acting by continuous or partial rotation, as in the four-way cock. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • Rotary shears — Shears Shears, n. pl. [Formerly used also in the singular. See {Shear}, n., 1.] 1. A cutting instrument. Specifically: (a) An instrument consisting of two blades, commonly with bevel edges, connected by a pivot, and working on both sides of the… …   The Collaborative International Dictionary of English

  • rotary shears — Смотри дисковые ножницы …   Энциклопедический словарь по металлургии

  • Shears — Shears, n. pl. [Formerly used also in the singular. See {Shear}, n., 1.] 1. A cutting instrument. Specifically: (a) An instrument consisting of two blades, commonly with bevel edges, connected by a pivot, and working on both sides of the material …   The Collaborative International Dictionary of English

  • Rotary — Ro ta*ry, a. [L. rota a wheel. See {Roll}, v., and cf. {barouche}, {Rodomontade}, {Rou[ e]}, {Round}, a., {Rowel}.] Turning, as a wheel on its axis; pertaining to, or resembling, the motion of a wheel on its axis; rotatory; as, rotary motion.… …   The Collaborative International Dictionary of English

  • Rotary engine — Rotary Ro ta*ry, a. [L. rota a wheel. See {Roll}, v., and cf. {barouche}, {Rodomontade}, {Rou[ e]}, {Round}, a., {Rowel}.] Turning, as a wheel on its axis; pertaining to, or resembling, the motion of a wheel on its axis; rotatory; as, rotary… …   The Collaborative International Dictionary of English

  • Rotary pump — Rotary Ro ta*ry, a. [L. rota a wheel. See {Roll}, v., and cf. {barouche}, {Rodomontade}, {Rou[ e]}, {Round}, a., {Rowel}.] Turning, as a wheel on its axis; pertaining to, or resembling, the motion of a wheel on its axis; rotatory; as, rotary… …   The Collaborative International Dictionary of English

  • Rotary valve — Rotary Ro ta*ry, a. [L. rota a wheel. See {Roll}, v., and cf. {barouche}, {Rodomontade}, {Rou[ e]}, {Round}, a., {Rowel}.] Turning, as a wheel on its axis; pertaining to, or resembling, the motion of a wheel on its axis; rotatory; as, rotary… …   The Collaborative International Dictionary of English

  • rotary shear — noun 1. : a rotating bedplate of a lathe 2. rotary shears plural : a machine having a pair of rotary overlapped cutter wheels for shearing sheet metal along a curved line …   Useful english dictionary

  • shears — I (New American Roget s College Thesaurus) n. pl. scissors, clippers. See sharpness. II (Roget s IV) n. Syn. cutters, clippers, scissors, snips, nippers, snippers. Types of shears include: lever, alligator, crocodile, barber s, blending, cuticle …   English dictionary for students

  • slitting shears — noun plural : a shearing machine for cutting sheet metal; especially : rotary shears …   Useful english dictionary

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