Definition of Friction rollers. Meaning of Friction rollers. Synonyms of Friction rollers

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Definition of Friction rollers

Friction rollers
Ftiction Ftic"tion, n. [L. frictio, fr. fricare, frictum,to rub: cf. F. friction. See Fray to rub, arid cf. Dentifrice.] 1. The act of rubbing the surface of one body against that of another; attrition; in hygiene, the act of rubbing the body with the hand, with flannel, or with a brush etc., to excite the skin to healthy action. 2. (Mech.) The resistance which a body meets with from the surface on which it moves. It may be resistance to sliding motion, or to rolling motion. 3. A clashing between two persons or parties in opinions or work; a disagreement tending to prevent or retard progress. Angle of friction (Mech.), the angle which a plane onwhich a body is lying makes with a horizontal plane,when the hody is just ready to slide dewn the plane. Note: This angle varies for different bodies, and for planes of different materials. Anti-friction wheels (Mach.), wheels turning freely on small pivots, and sustaining, at the angle formed by their circumferences, the pivot or journal of a revolving shaft, to relieve it of friction; -- called also friction wheels. Friction balls, or Friction rollers, balls or rollers placed so as to receive the pressure or weight of bodies in motion, and relieve friction, as in the hub of a bicycle wheel. Friction brake (Mach.), a form of dynamometer for measuring the power a motor exerts. A clamp around the revolving shaft or fly wheel of the motor resists the motion by its friction, the work thus absorbed being ascertained by observing the force required to keep the clamp from revolving with the shaft; a Prony brake. Friction chocks, brakes attached to the common standing garrison carriages of guns, so as to raise the trucks or wheels off the platform when the gun begins to recoil, and prevent its running back. --Earrow. Friction clutch, Friction coupling, an engaging and disengaging gear for revolving shafts, pulleys, etc., acting by friction; esp.: (a) A device in which a piece on one shaft or pulley is so forcibly pressed against a piece on another shaft that the two will revolve together; as, in the illustration, the cone a on one shaft, when thrust forcibly into the corresponding hollow cone b on the other shaft, compels the shafts to rotate together, by the hold the friction of the conical surfaces gives. (b) A toothed clutch, one member of which, instead of being made fast on its shaft, is held by friction and can turn, by slipping, under excessive strain or in starting. Friction drop hammer, one in which the hammer is raised for striking by the friction of revolving rollers which nip the hammer rod. Friction gear. See Frictional gearing, under Frictional. Friction machine, an electrical machine, generating electricity by friction. Friction meter, an instrument for measuring friction, as in testing lubricants. Friction powder, Friction composition, a composition of chlorate of potassium, antimony, sulphide, etc, which readily ignites by friction. Friction primer, Friction tube, a tube used for firing cannon by means of the friction of a roughened wire in the friction powder or composition with which the tube is filled. Friction wheel (Mach.), one of the wheels in frictional gearing. See under Frictional.

Meaning of Friction rollers from wikipedia

- A side friction roller coaster is an early roller coaster design invented by Edward Joy Morris. The design introduced side-friction wheels to help prevent...
- double-row Roller radial with short cylindrical rollers Roller radial spherical double-row Roller needle or with long cylindrical rollers Roller radial with...
- Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other. Types of friction...
- via high friction rollers until it hits a stop and cannot be pushed in further; the reaction of the paper is to buckle. Another pair of rollers grips the...
- and speed. In the ball bearing and roller bearing, to reduce sliding friction, rolling elements such as rollers or balls with a circular cross-section...
- crankshaft, roller chain-driven oil pump cylinder head & valvetrain cast aluminium alloy; four valves per cylinder, 16 valves total, low-friction roller finger...
- on roller coasters, including friction brakes, skid brakes, and magnetic brakes. The most common is a fin brake, an alternative name for a friction brake...
- Morris, it is the oldest standing roller coaster in the world and believed to be the last surviving side friction roller coaster of the figure-eight variety...
- single-start thread with convex flanks that limit friction at the rollers' contacts with **** and nut. The rollers typically orbit the **** as they spin (in...
- RS 4/R8), 32 valves total; lightweight low-friction roller finger cam followers (uprated with peened rollers on RS 4/R8) with automatic hydraulic valve...