Research on the winding process of the engine casing retaining ring

doi:10.19936/j.cnki.2096-8000.20260228.014

Abstract

Abstract: In this paper, the hot-melt method was used to prepare aramid/epoxy prepreg 023F/DBE-125 and fiberglass/epoxy prepreg SW280F/DBE-125. Composite material test plates were made using the autoclave process, and their mechanical properties and ballistic impact resistance were characterized. To address the deformation issues encountered during the winding, curing, and processing of the thin-walled engine casing, the mold and the assembly gap of the casing, along with the material’s thermal expansion differences, were used as the design basis for the winding mold of the engine casing retaining ring. Through simulation technology and process trials, suitable winding and processing parameters were determined. Using the parameters obtained from the trial pieces, composite retaining rings were wound onto thin-walled engine casings, and the formed retaining rings were subjected to dimensional and internal quality inspection. The test results show that the performance indicators of the developed engine casing retaining ring meet the required standards. This study provides an important reference for the lightweight design and manufacturing of engine casings and has significant implications for the development of key components in aircraft engines.

Key words: aramid fiber, tape winding, engine casing retaining ring, autoclave curing, finite element simulation, composites

CLC Number:

TB332

YANG Fei, ZHU Guang, SUN Yu, GUO Jin, GAO Haiyuan, ZHENG Yaping, LIU Weiwei. Research on the winding process of the engine casing retaining ring[J]. COMPOSITES SCIENCE AND ENGINEERING, 2026, 0(2): 97-103.

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