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Apparatus for measuring protrusion of surface of rotating body

A technology of rotating body and raised part, applied in the direction of measuring device, rotary printing machine, rotary printing machine, etc., to achieve the effect of optimizing the power of the dryer, optimizing the working pressure, and optimizing the printing speed

Active Publication Date: 2020-11-10
HEIDELBERGER DRUCKMASCHINEN AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Known systems cannot always fully meet this requirement

Method used

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  • Apparatus for measuring protrusion of surface of rotating body
  • Apparatus for measuring protrusion of surface of rotating body
  • Apparatus for measuring protrusion of surface of rotating body

Examples

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Embodiment Construction

[0040] figure 1 Shown is the rotatable carrying roller 1 of the measuring station 2, the sleeve 3 accommodated on the carrying roller and the sleeve 3 accommodated on the sleeve 3, preferably by means of an adhesive tape 4 (or alternatively by means of a glue coating of the sleeve) on A printing plate 5 fixed on the sleeve 3 (the so-called “mounter”), at least with respect to its relief topography, is a cross-section of the aforementioned individual components of the rotor 6 . Alternatively, preferably laser-scribed embossing sleeves can be measured on a carrier cylinder.

[0041] In order to rotate the carrier roller 1 during the measurement, a motor 7 can be provided in the measurement station 2 . The measuring station 2 can be part of a so-called "setter" in which the printing plate 5 is mounted on a carrier sleeve, or it can be provided separately and independently from the "setter". Measuring station 2 can be arranged independently of printing press 8 , which is provid...

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Abstract

The invention relates to a apparatus, for example a flexographic printing plate, for measuring elevations (13) of a surface (14) of a rotating body (6) configured for a cylinder (15), a roller (15), asleeve (3) or a printing plate (5) of a printing machine (8), comprising a first motor (7) for rotating the rotating body (6) about an axis of rotation (22) and a measuring device (18), the measuringdevice (18) comprises at least one radiation source (19) and at least one surface camera (21) for contactless measurement. Preferably, the measuring device (18) further comprises a reference object (30), such as axially parallel tensioned metal wires, for contactless measurement; and comprising a second motor (29) and, if necessary, a further second motor (29b) for enabling adjustment of the measuring device (18) and / or of the reference object perpendicularly to the axis of rotation (22). The apparatus enables rapid and highly accurate measurement of elevations, such as flexographic printingdots.

Description

technical field [0001] The invention relates to a device having the features stated in the preamble of claim 1 . [0002] The invention is based in the technical field of the graphic industry and here in particular in the field of measuring rotating bodies such as cylinders, rollers, sleeves (preferably laser-scribed flexographic printing sleeves), or printing plates (preferably is a flexographic plate mounted on a sleeve). The bulge of the rotating body is detected during the measurement. Background technique [0003] Document DE3302798A1 discloses a detection surface coverage Or the printing part and the non-printing part are combined with register presetting to shorten the setting time. [0004] The document DE 10 2014 215 648 A1 discloses a rotary printing press with a central counter-pressure cylinder rotatable about an axis of rotation; at least one (preferably several) printing layers (Druckdeck) surrounding the central counter-pressure cylinder An arrangement wh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41F33/00B41F13/08
CPCB41F33/00B41F13/08B41F33/0027B41F33/0081B41F5/24B41F33/0072G01B11/2433B41P2227/30B41F13/12B41P2233/13
Inventor W·施瓦布
Owner HEIDELBERGER DRUCKMASCHINEN AG
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