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Raster jitter error correction method, device, printing device and storage medium

An error correction and direction correction technology, applied in the field of grating jitter error correction method, device, printing equipment and storage medium, can solve the problems of inaccurate grating positioning and positioning error, and achieve the goal of improving printing quality and improving grating positioning accuracy. Effect

Active Publication Date: 2021-11-09
SHENZHEN HOSONSOFT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The main purpose of the present invention is to provide a grating jitter error correction method, device, printing equipment and storage medium, aiming to solve the technical problem of grating jittering resulting in positioning errors and resulting in inaccurate positioning of the grating

Method used

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  • Raster jitter error correction method, device, printing device and storage medium
  • Raster jitter error correction method, device, printing device and storage medium
  • Raster jitter error correction method, device, printing device and storage medium

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Embodiment 1

[0049] The invention provides a grating jitter error correction method, such as figure 1 As shown, the method includes:

[0050] S1. When the moving object stops, read the raster value;

[0051] Among them, the moving object is the printing car. Specifically, both the printing carriage and the grating are installed on the beam of the inkjet printing equipment. During the movement of the printing carriage, the grating locates the position of the printing carriage on the beam by counting. Since the printing carriage overcomes the air resistance when it moves, it will Wind is generated. In some cases, the movement of the printing carriage will also affect the counting accuracy of the grating. The main reason is that the wind force of the printing carriage moving on the beam is too strong, causing the grating to swing on the left and right sides of the printing carriage movement direction. This swing causes the raster to not be able to count properly and accurately in a timely m...

Embodiment 2

[0062] Embodiment 2 of the present invention provides a grating jitter error correction method, the method comprising:

[0063] S201. When the moving object stops, read the raster value;

[0064] S202. Comparing the grating value with the standard grating value to obtain a grating error value;

[0065] S203. If the grating error value exceeds the preset error range, determine the correction direction and correction distance of the moving object according to the grating error value;

[0066] Specifically, such as figure 2 As shown, step S203 includes:

[0067] S21. Determine the unit jitter error generated by the movement unit distance of the moving object;

[0068] In this embodiment, the positioning error caused by the shaking of the moving object is regarded as linearly changing with the moving distance of the moving object, then: unit shaking error Δ=grating error value / the latest moving distance of the moving object.

[0069] S22. Determine the jitter error generated ...

Embodiment 3

[0077] Embodiment 3 of the present invention provides a grating jitter error correction method, the method comprising:

[0078] S300. Pre-store a table of grating error values ​​generated by moving objects moving at different speeds and at different distances;

[0079] Taking the moving object as the printing cart as an example, the speed is preferably the preset movement speed V1 of the printing cart during the printing process, and different distances may correspond to the distance traveled by the printing cart to print a pass. The speed can also be that during the printing stop and the independent movement of the printing carriage, the movement distance of the printing carriage is divided into multiple movement segments, and the speed V2 of the movement of the printing carriage in the last movement segment is controlled, and different distances correspond to the last movement segment the distance. The grating error table is specifically shown in Table 1.

[0080] Table 1 ...

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Abstract

The invention discloses a raster jitter error correction method, device, printing equipment and storage medium, and relates to the technical field of inkjet printing. The method includes: when a moving object stops, reading the raster value; Comparing the grating values ​​to obtain a grating error value; if the grating error value exceeds a preset error range, determine the correction direction and correction distance of the moving object according to the grating error value; control the moving object to move the correction distance along the correction direction. When the moving object stops, the present invention corrects the grating positioning error caused by the grating vibration during the moving process of the moving object according to the grating error value between the grating read value and the standard value, and the present invention can ensure that the grating positioning error is within the preset Within the error range, the positioning accuracy of the grating is improved. When applied to an inkjet printing device, the printing quality can be improved.

Description

technical field [0001] The invention relates to the technical field of inkjet printing, in particular to a grating shake error correction method, device, printing device and storage medium. Background technique [0002] In many fields, gratings are used for measurement and positioning, such as precision wire harness processing, numerical control machine tools, and inkjet printing technologies. Gratings are used as precision measurement and positioning tools. For example, in inkjet printing technology, the nozzle is installed on the printing carriage, and the printing carriage drives the nozzle to reciprocate along the guide rail beam relative to the printing medium. A grating is installed on the guide rail beam, and the moving position of the printing carriage and the spraying position of the printing head can be determined through the grating. ink position. Usually, a grating is used in combination with a grating strip (grating ruler) and a grating decoder. The grating st...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41J29/393G01B11/00G01B11/04
CPCB41J29/393G01B11/00G01B11/04G01B11/043
Inventor 陈艳黄中琨尤广滨邬海林
Owner SHENZHEN HOSONSOFT CO LTD
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