Transactions of Materials and Heat Treatment

Title：Engineering design on mandrel feeding curve for aviation rectangular ring radial rolling

Authors： Liu Jun Yang Jiadian Hu Yuanwei Luo Hongfei Wang Qing Guan Bin

Unit： Guizhou Aviation Technology Development Co. Ltd.

KeyWords： aviation material rectangular ring radial rolling mandrel feeding curve reverse U-shape

ClassificationCode：

year,vol(issue):pagenumber：2022,47(3):121-124

Abstract：

In order to meet the requirements of stability in batch manufacturing process for aviation ring forgings and the quality consistency of manufactured products, and also to meet the needs of refined design for rolling process and automatic rolling production for products, according to the rolling production control characteristics and actual production experience of aviation ring forgings, the radial feeding curve of mandrel was planned as a feeding curve with five segments, and the feeding displacement equation group {ΔH=f(vi,Δti ),ΔH=f(D0,d0,D1,d1)} in the radial rolling were built. Then, the engineering experience values of rolling time Δti and initial feeding speed vi of each stage were provided, and the mandrel radial feeding curve vi=f(Δti) was solved. Furthermore, according to the rolling theory and rolling characteristics of aviation material, the initial rolling speed v1 and the growth speed of outer diameter for ring vΔD were checked, and the refine design of ring rolling process was finally completed to meet the needs of process characteristics, manufacturing characteristics, quality requirements and automatic rolling parameters for aviation ring forgings.

Funds：

刘君（1982-），男，硕士，工程师 E-mail：liujun5268@sina.com

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