The compression molding process has the advantages of high production efficiency,high size control preci-sion,good surface quality,and forming complex structure products,which occupies an important position in the composite molding process.And SMC,GMT,LFT as the main molding process in the compression molding process,the use of more and more widely.In order to further understand the SMC,GMT,LFT process characteristics,this paper is based on the current development status of composite compression molding processes at home and abroad,the process principle,process route,future trend and prospect of SMC,GMT and LFT were described in detail.And the mechanical and physical proper-ties of composite products made under each process were compared,which provided a reference for the application of com-posite compression molding technology.
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