Printing device, control method of printing device, and placement method of printed body

By controlling the motor rotation speed of the printing device and the ejection speed of the inkjet printhead, combined with ultraviolet irradiation control, the power transmission of the rotating mechanism and the configuration of the nozzle array during the printing process are optimized, solving the problems of long printing time, low printing accuracy and excessive ultraviolet irradiation in the existing technology, and achieving efficient and accurate printing results.

CN122094835APending Publication Date: 2026-05-26MIMAKI ENGINEERING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
MIMAKI ENGINEERING CO LTD
Filing Date
2025-03-25
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

Existing printing equipment struggles to shorten printing time while ensuring print quality when printing on the outer periphery of cylindrical, frustum-shaped, or conical substrates. It also suffers from reduced printing accuracy and problems such as substrate deformation or poor ink hardening caused by excessive ultraviolet radiation.

Method used

By controlling the motor rotation speed of the printing device and the ejection speed of the inkjet printhead, combined with ultraviolet irradiation control, the power transmission of the rotating mechanism and the configuration of the nozzle array during the printing process are optimized, thereby achieving precise control of the printed material and appropriate ultraviolet irradiation.

Benefits of technology

While ensuring printing quality, it shortens printing time, avoids deformation of the printed material and poor ink hardening, and improves printing accuracy and efficiency.

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Abstract

This invention provides a printing apparatus for printing on the outer peripheral surface of a substrate having a cylindrical, frustum-cone, or conical shape. The printing apparatus can shorten the printing time while ensuring print quality. The printing apparatus includes: a rotating mechanism 21 that rotates the substrate 2 about its axis; and an inkjet nozzle disposed above the substrate 2 and ejecting ink onto its outer peripheral surface. The rotating mechanism 21 includes a motor 25 as a drive source, which rotates the substrate 2 during printing. Printing data for printing the substrate 2 is input into a control unit that controls the printing apparatus. During printing, the control unit controls the rotation speed of the motor 25 based on the printing data.
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Citation Information

Patent Citations

  • Ultraviolet irradiation device and printing device

    JP2023088834A