Cold Extrusion Process Analysis of "Seven-Speed Sleeve" and Forming Parameter Optimization

Abstract:

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The scheme for cold extrusion process of Seven-speed sleeve is determined according to the experiences and analysis by DEFORM-3D software, the extrusion procedure has been numerical simulation analyzed; The part technology and parameters of die structure has been optimized by orthogonal test. The optimized process parameters are as following: friction factor is 0.10, blank height is 31.4mm, extrusion speed is 200mm/s; The optimized parameters of die structure are as following: 1st step convex fillet is 1.5mm, 1st step concave rounded is 2.0mm, 2nd step convex fillet is 2.0mm, 2nd step concave rounded is 1.0mm, 1st step die-entrance angle is 35°, 2nd step die-entrance angle is 60°.The qualified products are obtained using the optimized process parameters in the production practice.

Info:

Periodical:

Advanced Materials Research (Volumes 199-200)

Edited by:

Jianmin Zeng, Zhengyi Jiang, Taosen Li, Daoguo Yang and Yun-Hae Kim

Pages:

1924-1927

DOI:

10.4028/www.scientific.net/AMR.199-200.1924

Citation:

R. X. Chai et al., "Cold Extrusion Process Analysis of "Seven-Speed Sleeve" and Forming Parameter Optimization", Advanced Materials Research, Vols. 199-200, pp. 1924-1927, 2011

Online since:

February 2011

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Price:

$35.00

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