基于灰色关联分析的连杆衬套温挤压参数优化

史永鹏; 樊文欣; 张涛; 佘文韬; 朱芹

doi:10.15980/j.tzzz.2017.03.008

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基于灰色关联分析的连杆衬套温挤压参数优化
Parameters Optimization of Warm Extrusion for Connecting Rod Bushing Based on the Grey Correlation
2017年37卷第3期页码：262-265
纸质出版日期： 2017 ，
DOI： 10.15980/j.tzzz.2017.03.008

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[1]史永鹏,樊文欣,张涛,佘文韬,朱芹.基于灰色关联分析的连杆衬套温挤压参数优化[J].特种铸造及有色合金,2017,37(03):262-265.

Shi Yongpeng, Fan Wenxin, Zhang Tao, et al. Parameters Optimization of Warm Extrusion for Connecting Rod Bushing Based on the Grey Correlation[J]. Special Casting & Nonferrous Alloys, 2017,37(3):262-265.
[1]史永鹏,樊文欣,张涛,佘文韬,朱芹.基于灰色关联分析的连杆衬套温挤压参数优化[J].特种铸造及有色合金,2017,37(03):262-265. DOI： 10.15980/j.tzzz.2017.03.008.

Shi Yongpeng, Fan Wenxin, Zhang Tao, et al. Parameters Optimization of Warm Extrusion for Connecting Rod Bushing Based on the Grey Correlation[J]. Special Casting & Nonferrous Alloys, 2017,37(3):262-265. DOI： 10.15980/j.tzzz.2017.03.008.

摘要

温挤压成形过程中以摩擦因数、挤压速度、坯料预热温度、模具预热温度等工艺参数为自变量

以成形件的损伤值、挤压力为目标函数

应用DEFORM-3D仿真软件进行数值模拟。通过正交试验设计

研究工艺参数对损伤值、挤压力的影响

分析灰色关联系数和灰色关联度

进行多目标参数优化

获得较优的工艺参数组合。结果表明

影响衬套温挤压成形品质的主次顺序为摩擦因数、挤压速度、坯料预热温度、模具预热温度。采用优化后的温挤压参数成形件的损伤值和挤压力降低

保证了产品品质。

Abstract

In warm extrusion forming process

taking the coefficient of friction

extrusion speed

billet preheating temperature

mold preheating temperature as the independent variables

and a forming damage value

extrusion forces as the objective function

numerical simulation was performed by using DEFORM-3Dsoftware.Influences of process parameters on billet damage and extrusion force was analyzed by orthogonal test design.Grey relational coefficient and grey relation were analyzed to optimize the multi-objective parameters

and the optimized process parameter combination was presented.The results show that the order of influence on the quality of bush extrusion is friction coefficient> extrusion speed> preheating temperature of billet> mold preheating temperature

and the damage value and squeezing force of billet are decreased by using the optimized extrusion parameters

improving the billet quality.