丝束张力对自动铺丝成型工艺的影响

doi:10.7527/S1000-6893.2015.0151

Abstract

Abstract:

To improve the forming quality of automated fiber placement process, the effects of tows tension on automated fiber placement process are studied by tows feeding and layup experiments. The results of tows feeding experiments turn out that the tows feeding precision and reliability is affected significantly by tension. In order to guarantee tows feeding precision and reliability, the value of tows tension should be kept uniformly and in a proper range. The layup experiment shows that inappropriate tows tension definitely reduces the process quality. By force analysis of the prepreg tow, the influences of tows tension on different layup conditions are discussed, the factors which influenced the proper value range of tows tension are discussed, and the formula of tows tension is derived and verified by layup experiments. Tows tension is one of the important parameter of automated fiber placement process. The value of tows tension should be promptly adjusted with mould surface, trajectory and other processing parameters to improve layup quality.

Key words: composites, automated fiber placement, processing parameters, tows tension, feeding precision, layup quality

CLC Number:

ZHAO Cong, XIAO Jun, WANG Xianfeng, LI Junfei, HUANG Wei. Effects of tows tension on automated fiber placement process[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2016, 37(4): 1384-1392.

References

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Effects of tows tension on automated fiber placement process

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