Structural Dynamic Characteristics of Paper Delivery Roller in Printing Presses

ZHANG Shubai; LI Shuai; ZHANG Jun; FENG Caiyuan; DING Dongxu; WANG Kun; ZHANG Mingyang

doi:10.19554/j.cnki.1001-3563.2026.05.017

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Packaging Engineering ›› 2026, Vol. 47 ›› Issue (5) : 156-163. DOI: 10.19554/j.cnki.1001-3563.2026.05.017

Automatic and Intelligent Technology

Structural Dynamic Characteristics of Paper Delivery Roller in Printing Presses

ZHANG Shubai¹, LI Shuai^1,2,*, ZHANG Jun^1,2, FENG Caiyuan¹, DING Dongxu¹, WANG Kun¹, ZHANG Mingyang¹

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Abstract

The work aims to investigate the dynamic performance and potential resonance risk of the delivery roller in printing presses under high-speed operation to ensure safe and reliable performance. A finite-element model of the roller was developed in ANSYS to obtain the first six natural frequencies and corresponding mode shapes. Experimental modal analysis was then carried out using a YSV testing system and hammer excitation, with acceleration sensors deployed to record vibration responses. The experimental results were compared with the simulation outcomes to verify the model accuracy, and the critical rotational speed was subsequently calculated. The relative error between simulated and experimental natural frequencies was found to be less than 4%, and the mode shapes exhibited good agreement. The first-order natural frequency measured in the experiment was 177.75 Hz, corresponding to a calculated first-order critical speed of 10 665 r/min. As the actual operating speed of the delivery roller was below 200 r/min, which was far lower than the critical speed. These findings validate the reliability of the finite-element model and confirm that the roller operates safely without resonance risk under current working conditions and meets practical operational requirements.

Key words

paper delivery roller / finite element analysis / modal analysis / critical rotational speed / resonance.

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ZHANG Shubai, LI Shuai, ZHANG Jun, FENG Caiyuan, DING Dongxu, WANG Kun, ZHANG Mingyang. Structural Dynamic Characteristics of Paper Delivery Roller in Printing Presses[J]. Packaging Engineering. 2026, 47(5): 156-163 https://doi.org/10.19554/j.cnki.1001-3563.2026.05.017

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