Direct printing method and direct printing machine for printing containers with a direct print
A printing method and technology for printing presses, applied in printing, typewriters, digital output to printing units, etc., can solve the problem that imaging errors cannot be fully corrected, and achieve the effect of reducing manual intervention, reducing complexity, and small computing power
Pending Publication Date: 2020-04-21
KRONES AG
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Problems solved by technology
However, imaging errors cannot be adequately corrected for complex surface topography
Method used
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Embodiment Construction
[0058] figure 1 An overview of an embodiment of a direct printing machine 10 according to the invention for printing containers 2 is shown in plan view. It can be seen that the containers are here configured as molded containers and are transferred to the conveyor 11 , for example from the filling and closing machine by means of the feed star 31 , and are accommodated there in the container receptacle 12 . In this way, the containers are transported by the transporter 11 from the direct printing station 13 attached to the transporter W 、13 C 、13 M 、13 Y 、13 KThey are transported past and printed in different colors by means of direct print heads, not shown in detail, here for example in white, cyan, magenta, yellow and black according to guidelines. The direct printing head works according to the digital printing method or the inkjet printing method. A multicolor direct print is thus produced on the container 2 . It is also conceivable that there are further direct prin...
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The invention relates to a direct printing method for a direct printing machine (10) for printing containers (2), in particular moulded containers, with a direct print, wherein a printing movement path of the direct printing machine (10) is created from 3D data of the containers (2), and a 3D printing model is created from printing parameters of the direct printing machine (10) in order to predictan image of a printing graphic original to be printed on the containers (2) as a direct print, wherein a macroscopic correction and a microscopic correction are determined by means of the 3D printingmodel, wherein the macroscopic correction comprises an inverse of a distortion of the printing graphic original on the containers (2) and the microscopic correction comprises a nozzle correction, wherein the printing graphic original is corrected with the macroscopic correction and stored in a corrected printing graphic, wherein a printing raster image is generated from the corrected printing graphic by using a raster image processor, and wherein the printing raster image (206) is corrected on the basis of the microscopic correction and stored as a corrected printing raster image and is printed onto the containers (2) by the direct printing machine (10) as the direct print.
Description
technical field [0001] The present invention relates to a direct printing method and a direct printing machine for printing direct printing on containers. Background technique [0002] Until now, containers were usually provided with pre-printed labels, which identified the content and / or advertised, by means of labeling machines. Recently, however, direct printing methods are increasingly being used for this purpose, in which the containers are printed directly by means of direct printing heads by printing stations. It is advantageous here that the direct print can be adjusted particularly simply on the basis of the electronic printing pattern template, wherein even individual printing of the containers is possible. [0003] Usually, containers are accommodated in such direct printing methods or direct printing machines in container receptacles of conveyors, for example turrets, and transported along a transport path to one or more printing stations with at least one direc...
Claims
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Login to View More IPC IPC(8): G06F3/12B41J3/407
CPCB41J3/4073G06F3/1208G06F3/1244G06F3/1285B41J3/40733
Inventor 弗洛里安·劳特巴赫伯恩哈德·多迈耶弗洛里安·费斯勒安德烈亚斯·松瑙尔
Owner KRONES AG