In this paper,according to the cantilever beam of fetching carton mechanism in square packaging machine, considering the impact of motion of air cylinder on it,its dynamics model and finite element model are built by ...In this paper,according to the cantilever beam of fetching carton mechanism in square packaging machine, considering the impact of motion of air cylinder on it,its dynamics model and finite element model are built by using ANSYS. This paper not only acquires the deformation distribution,stress distribution and natural frequency of the cantilever beam in the static state; but also gets the dynamic response curve in the maximum deformation and the dynamic stress response curve in the near of the maximum stress during the motion of air cylinder. Result shows that no matter static state or dynamic state,deformation of the cantilever in the fetching carton mechanism is acceptable. The design of mechanism is reliable and its motion is also stable; no resonance can occur on the cantilever beam.展开更多
In order to determine the theoretical minimum clamping pressure required in carton clamp handling of heavyweight corrugated package(HCP)such as large packages or unitized agricultural product packages,a numerical mode...In order to determine the theoretical minimum clamping pressure required in carton clamp handling of heavyweight corrugated package(HCP)such as large packages or unitized agricultural product packages,a numerical model of clamping pressure was developed.To develop the model,the dynamic load factor was measured at the handling test course which was designed on the basis of actual handling environment of the target HCP.Also,the static-frictional coefficients between the HCPs and between the HCP and a rubber contact pad of carton clamp arm were analyzed.The main factors in the developed numerical model of clamping pressure were the handling load weight and the effective contact area of the carton clamp arm.In addition,field tests were performed to validate the theoretical minimum clamping pressure calculated from the model.Averaged slip distance from the single package and two packages handling was estimated as a 3.2 mm through field test,and it is expected that the 3.2 mm slip distance will be acceptable for a safe operation in the handling environment.The suggested analytical approach with the numerical model can be a useful means for estimating the clamping pressure of the carton clamps used to handle the HCP.展开更多
基金Program for Changjiang Scholars and Innovative Research Team in University,China(No.IRT1220)Donghua University Thesis Innovation Fund,China(No.EG2014028)
文摘In this paper,according to the cantilever beam of fetching carton mechanism in square packaging machine, considering the impact of motion of air cylinder on it,its dynamics model and finite element model are built by using ANSYS. This paper not only acquires the deformation distribution,stress distribution and natural frequency of the cantilever beam in the static state; but also gets the dynamic response curve in the maximum deformation and the dynamic stress response curve in the near of the maximum stress during the motion of air cylinder. Result shows that no matter static state or dynamic state,deformation of the cantilever in the fetching carton mechanism is acceptable. The design of mechanism is reliable and its motion is also stable; no resonance can occur on the cantilever beam.
基金supported by the Financial Supporting Project of Long-term Overseas Dispatch of Pusan National University’s Tenure-track Faculty,2014.
文摘In order to determine the theoretical minimum clamping pressure required in carton clamp handling of heavyweight corrugated package(HCP)such as large packages or unitized agricultural product packages,a numerical model of clamping pressure was developed.To develop the model,the dynamic load factor was measured at the handling test course which was designed on the basis of actual handling environment of the target HCP.Also,the static-frictional coefficients between the HCPs and between the HCP and a rubber contact pad of carton clamp arm were analyzed.The main factors in the developed numerical model of clamping pressure were the handling load weight and the effective contact area of the carton clamp arm.In addition,field tests were performed to validate the theoretical minimum clamping pressure calculated from the model.Averaged slip distance from the single package and two packages handling was estimated as a 3.2 mm through field test,and it is expected that the 3.2 mm slip distance will be acceptable for a safe operation in the handling environment.The suggested analytical approach with the numerical model can be a useful means for estimating the clamping pressure of the carton clamps used to handle the HCP.
