Abstract
[Objective] To address the problems of heavy manual dependence, low efficiency, and poor bone removal quality in the existing Monopterus albus bone removal processing. [Methods] Simulation analysis and experimental research are carried out based on the previously designed bone removal machine and constitutive model of M.albus. Mechanical property parameters of M.albus bone and muscle tissues are obtained through mechanical tests. Subsequently, a third -order Ogden hyperelastic model for the muscle and a brittle fracture model for the spine are established. By coupling Recurdyn multi -body dynamics simulation software and Abaqus finite element analysis software, a simulation model of the M.albus processing process is constructed to explore the effects of transition wheel rotation speed and initial gap, pressure roller -V block distance, and bone removal cutter head rotation speed on the cutting and bone removal performance for M.albus. [Results] According to the results, increased transition wheel rotation speed reduces the linear velocity difference between the wheel and the fish body, thereby reducing impact and enhancing processing stability, with the optimal performance achieved at a rotation speed of 504 r/min. When the initial gap of the transition wheel changes, clamping force variation affects the traveling posture and processing quality of the fish body. The clamping force reaches the optimal adaptation value at an initial gap of 9 mm, resulting in the best processing quality. Different pressure roller -V block distances lead to various distributions of contact force and stress. Within a certain range, the maximum stress of the fish body is decreased as the distance is increased. At a distance of 16.75 mm, the contact force fluctuates slightly, and the stress is low, achieving the optimal processing effect. Additionally, increased rotation speed of the bone removal cutter head causes increased maximum stress during the bone removal process, which reaches a maximum between 2 800 and 3 200 r/min and is then decreased. The stress is stable at a rotation speed of 3 600 r/min, resulting in the optimal processing effect. [Conclusion] In a certain range, the simulation results are consistent with the experimental results. High simulated processing stress correlates with low experimental sensory score and poor processing quality in physical trials.
Publication Date
11-3-2026
First Page
83
Last Page
98
DOI
10.13652/j.spjx.1003.5788.2025.81019
Recommended Citation
Mingyong, Liu; Changqi, Wang; Xue, Xiang; Lei, Wang; Yang, Shen; and Ping, Li
(2026)
"Processing analysis and experiment of Monopterus albus bone removal machine based on Recurdyn-Abaqus co-simulation,"
Food and Machinery: Vol. 42:
Iss.
10, Article 10.
DOI: 10.13652/j.spjx.1003.5788.2025.81019
Available at:
https://www.ifoodmm.cn/journal/vol42/iss10/10
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