Optimization of Reaming Process and Design of Winding Motion Control for Type IV Composite Hydrogen Storage Cylinder

Abstract

In order to optimize the reaming process of the type IV composite hydrogen storage cylinder, the netting theory was employed for the design of stacking sequences, and the thickness in the head section was predicted. A finite element model of the plastic-lined composite hydrogen storage cylinder, designed to withstand a working pressure of 70.0 MPa, was established by using the wound composite modeler(WCM) in the Abaqus software to analyze the forces acting on the winding layer. The Hashin failure criterion was utilized as the standard for assessing composite failure, and a progressive failure analysis of the cylinder was conducted to predict both the bursting pressure and the failure location of the composite hydrogen storage cylinder. The results indicate that the reaming process can effectively reduce the maximum filament winding thickness in the head section and promote a more uniform transition. At the bursting pressure, the stress within the head liner decreases, thereby enhancing the ultimate bearing capacity of the cylinder. A control system for a four-axis winding machine was designed by utilizing an industrial computer and a programmable multi-axis controller(PMAC). The winding line pattern is designed and the G-code trajectory is generated by the industrial computer. The numerical control system, composed of the PMAC and servo motor, executes the four-axis interpolation motion.

Keywords

filament winding / reaming process / motion control / progressive failure / thickness prediction

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