Automated forming method for high-speed rail composite material body

Abstract

The invention provides an automatic molding method for a high-speed rail composite material body, which includes the following steps: (1) First, partition the cylindrical section of the body, and divide the body into multi-cavity carbon fiber composite structures with different cross-sectional shapes; (2) through Pultrusion equipment for pultrusion forming multi-cavity carbon fiber composite materials for high-speed rail; (3) positioning and bonding of adjacent high-speed rail body composite material assemblies through positioning and clamping tooling; (4) forming devices through winding reinforcement layers Winding, along the length direction of the high-speed rail body assembly to complete the forming of the reinforcement layer in the hoop direction and ±45° direction; (5) adopt the surface treatment method of shot blasting; (6) paint and spray the surface of the carbon fiber composite high-speed rail body deal with. The invention satisfies the integration and automatic forming of the automated vehicle body, greatly reduces the number of connecting parts, ensures the reliability, safety and comfort of the vehicle body structure and completes the automatic forming of the high-speed rail vehicle body.

Description

technical field [0001] The invention relates to the field of automatic forming of carbon fiber composite materials, in particular to an automatic forming method for a high-speed rail composite material vehicle body. Background technique [0002] The high-speed EMU car body can be regarded as a cylindrical overall load-bearing structure. At present, most of the car bodies of high-speed EMUs adopt a full-load aluminum alloy structure. The alloy extruded profiles are tailor-welded, and the various components are welded and connected. This full load-bearing aluminum alloy car body bears all the loads during the operation of the high-speed EMU. For the high-speed EMU, the performance of the car body stiffness directly affects the safety, reliability and comfort of the EMU car body. and other key indicators. [0003] At present, the traditional structure trains made of metal materials increase the difficulty of solving the problems of vibration, impact, resistance and noise whi...

AI Technical Summary

Problems solved by technology

The assembly is completed by means of modular composite material profiles and glued joints. On this basis, the hoop fiber is wound and solidified on its surface by winding method, so as to solve the shortcoming of weak lateral bonding ability of pultruded profiles.

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