Simulation Analysis of Glass Fiber Vibration Feeding Based on EDEM

doi:10.19491/j.issn.1001-9278.2019.09.011

Abstract

Abstract: Aiming at the difficulty of fiber feeding in the production of glass-fiber-reinforced thermoplastics, this work proposed a simple vibrating feeding method and verified its feasibility in practical applications. The motion characteristics of vibrating feeder were analyzed, and the form of motion required for the transportation of glass fiber was determined as the throwing motion and forward slip. The associated conditional formula was derived and used to determine four sets of vibration parameters. A simulation model was established by a discrete unit method with the EDEM simulation software, and the corresponding parameters were set to simulate the fiber vibration feeding condition with four parameters. The simulation results verified the validity of the motion condition formula. Meanwhile, the simulation data for the vibrating feeder in the end region were analyzed. It was found that the vibration feeding method could realize uniform feeding of glass fiber at a constant speed with a suitable mechanical index, and the amplitude showed a significant influence on the velocity of vibration feeding. In this case, the feed rate can be quantitatively adjusted by changing the amplitude.

Key words: glass fiber, vibration feeding, discrete element method, EDEM simulation software

CLC Number:

TQ171.776

LIU Zhikang, FAN Yuanxun, LU Pengcheng, ZHANG Jiacheng. Simulation Analysis of Glass Fiber Vibration Feeding Based on EDEM[J]. China Plastics, 2019, 33(9): 62-66.

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