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system for printing targets

A target and printing dot technology, which is applied in the system field of printing targets, can solve the problems of visible interference of printed images, adverse effects of printed images, etc., and achieve the effect of reducing interference

Inactive Publication Date: 2016-12-28
HEIDELBERGER DRUCKMASCHINEN AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, as mentioned above, this superimposition can lead to visible disturbances in the printed image due to high ink coverage values ​​and thus have a negative effect on the desired printed image.

Method used

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Experimental program
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Embodiment Construction

[0024] figure 1 A system 1 for printing a three-dimensional object 2 with a non-planar surface 3 is shown. The system has a print head 4 (eg Spectra Galaxy JA256 / 80AAA) which is received on an articulated arm-robot 5 (eg Kuka KR60-3). In the example shown, the robot 5 has three joints 5 a , 5 b and 5 c with which the robot 5 moves the printing head 4 along the surface 3 of the target 2 . The print head 4 is also connected via an ink and data connection 6 to an ink supply and to a computer. Said connection 6 thus includes the ink supply lines and also the signal lines for the individual nozzles 7 of the print head 4 .

[0025] In addition, in figure 1 As shown in , the print head 4 prints the print format A onto the surface 3 of the target 2 in position 4 ′. The movement of the robot 5 and the print head 4 takes place here, for example, either inward toward the plane of the drawing or outward from the plane of the drawing. It is also shown that the print head has previousl...

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PUM

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Abstract

The invention relates to a system (1) for printing an object (2), which prints a preferably multicolored Screened image, having the following features: an inkjet-print head (4) with nozzles (7); a robot (5), preferably an articulated arm-robot, which produces a primary movement (17), wherein the said primary movement comprises at least two printing fields (A, B) of said inkjet-print head (4) laterally abutting against each other; and a device (10) which produces a secondary movement (16), In this case, the secondary movement ( 16 ) takes place substantially perpendicular to the primary movement ( 17 ) and thus connects the printing fields (A, B) laterally to one another. Interfering streaks between the print fields are thus advantageously reduced or prevented.

Description

technical field [0001] The invention relates to a system for printing an object according to claim 1, which system prints an image of at least one non-planar surface of said object. Background technique [0002] It is already known in the prior art to print non-planar surface regions of an object, for example curved sections of a vehicle body, with inkjet print heads and to generate arbitrary multicolored images on this surface. For this purpose, the print head is guided on a robot, for example an articulated arm robot, along the surface of the target at a defined distance relative to the surface, so that the ink droplets ejected from the print head reach the desired surface on the surface. on the site and produce the desired image there. Since the surface of the object is generally much larger than the extent of the print head, it is necessary to guide the print head along the surface multiple times on so-called print fields and the desired print image is formed from side-...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41J3/407B41J2/01B05B12/00
CPCB41J3/4073B05B1/14B05B13/0452B41J25/001B41J2/135
Inventor B·拜尔U·恩斯特H·格兰特H·皮茨
Owner HEIDELBERGER DRUCKMASCHINEN AG