Print Equipment
A
The etched or knurled steel/ceramic roller that transfers ink to the plates. The surface consists of a regular pattern of cells which are filled with ink by revolving the roller in the ink bath or oth...
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C
The minute cavities in the surface of an engraved anilox roller.
A central impression (C.I.) printing machine is a press where all the printing units are placed around a single common impression drum.
Any product that is first shaped and then hardened by means of heat, such as glass or materials used in pottery. Ceramic-coated rollers, with or without engraved surfaces are alternatives to chromium-...
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A cold roller – a roller through which chilled water is passed so that material lapping round it after leaving a drying chamber is cooled.
A roller usually but not necessarily hollow, i.e. a plate cylinder, a hollow cylinder is lighter and easier to handle than a solid roller but is less rigid for the same diameter.
D
A drive, e.g. to a rewind shaft from a direct current motor (as apart from an alternating current motor). An instrument for measuring density or differences in tone.
A roller round which a loop of web runs, the roller being free to move in the direction of the pull exerted by the web tension but is restrained from doing so by a balancing force such as a spring, a ...
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Either a rubber roller or a steel blade applied to an anilox roll in order to meter i.e. control, the amount of ink on the anilox.
The tray on a printing press that contains the ink. or a length of trunking carrying air.
F
A measuring cup- usually Ford Cup No. 4 – used for determining the viscosity of ink by measuring the time it takes for the cup to empty through a small hole in its bottom. Largely superseded by ...
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A word derived from the fact that when a roller partially submerged in an ink bath revolves and is compressed against another roller outside the bath, ink is carried into the nip: and any ink that doe...
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L
A roller resting on a rewind reel (like a rider roller) round which the web passes before it is ‘laid’ onto the reel, eliminates air from between material layers to ensure a sound reel is ...
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M
Rubber rollers for controlling the amount of ink transferred onto the anilox rollers. See Doctor.
P
The rollers in a machine which are usually not driven, round which the material is threaded to ensure that it takes a prescribed path.
S
A bar connected to a hoist at its midpoint (so that it floats horizontally) with hooks at each end for lifting or lowering the shafts of reels or rollers.
T
A blade resting on a roller in such a manner that its tip points in the same direction as the surface of the roller is moving.
V
A device for inspecting the print on a web while the machine is running.