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Device and system for measuring a high of a surface of a rotating body

A technology of rotating body and raised part, which is applied in the direction of measuring device, rotary printing machine, rotary printing machine, etc.

Pending Publication Date: 2022-04-22
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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  • Device and system for measuring a high of a surface of a rotating body
  • Device and system for measuring a high of a surface of a rotating body
  • Device and system for measuring a high of a surface of a rotating body

Examples

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Embodiment Construction

[0051] figure 1 Shown is a rotatable carrier roller 1 of a measuring station 2, a sleeve 3 accommodated on this carrier roller and a sleeve 3 accommodated thereon, preferably by means of an adhesive tape 4 (or alternatively by means of a glue coating of the sleeve). The (so-called) "setter", fastened on the sleeve 3 , the printing plate 5 to be measured at least with respect to its topography, acts as a cross-section of the rotating body 6 . Alternatively, preferably laser-etched printing sleeves can be measured on a carrier cylinder.

[0052] In order to rotate the carrier roller 1 during the measurement, a motor 7 may be present in the measurement station 2 . The measuring station 2 can be part of a so-called "mounter" in which the printing plate 5 is mounted on a carrier sleeve, or it can be arranged independently relative to the "mounter". The measuring station can be arranged independently of the printing press 8 , which is provided with at least one printing unit 9 fo...

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Abstract

The invention relates to a device, for example a flexographic printing plate, for measuring elevations (13) of a surface (14) of a rotating body (6) configured for a drum (15), roller (15), sleeve (3) or plate (5) of a graphic industrial machine (8), comprising a first motor (7) for rotating the rotating body (6) about a rotation axis (22) and a measuring device (18). The measuring device (18) comprises at least one radiation source (19) and at least one line camera (21) for contactless measurement. Preferably, the measuring device (18) also comprises a reference object (30), such as an axially parallel tensioned metal wire, for contactless measurement; and a second motor (29) and, if necessary, another second motor (29b) in order to be able to adjust the measuring device (18) and / or the reference object perpendicularly to the axis of rotation (22). The apparatus is capable of quickly and accurately measuring protrusions such as flexographic printing dots.

Description

technical field [0001] The invention relates to a device and a system for measuring a crown of a surface of a rotating body. [0002] The invention is in the technical field of the graphics industry, and here in particular in the field of measuring rotating bodies such as cylinders, rolls, sleeves (preferably laser-etched flexographic printing sleeves), or plates, preferably mounted on sleeves. Flexographic printing plates on cylinders. During the measurement, the crowning of the rotating body is detected. Background technique [0003] Document DE 3302798 A1 discloses a method for detecting surface coverage or printed and non-printed parts combined with register presetting in order 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 around an axis of rotation; at least one (preferably several) printing layers (Druckdeck) surrounding the central counter-pressure An imp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41F33/14B41F5/24B41F13/12B41F33/00G01B11/00
CPCB41F33/14B41F5/24B41F13/12B41F33/0009B41F33/0036G01B11/00B41F33/02B41F13/10B41F33/0072G01B11/2433
Inventor W·施瓦布
Owner HEIDELBERGER DRUCKMASCHINEN AG
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