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Title:Quality control on local loading of a large air aluminum-alloy forging
Authors: Zheng Sijia  Zhou Jie  Li Jie  Wu Daoxiang  Zhou Junfeng  Zhao Tiansheng 
Unit: Chongqing University 
KeyWords: aluminum-alloy forging  local loading  finite elements method  forming load  filling 
ClassificationCode:TG316
year,vol(issue):pagenumber:2017,42(9):1-5
Abstract:

For a large aluminum-alloy aircraft forging, a local loading was proposed to solve the problem of the excessive loading during the integral deforming. Then, the filling and loading, the multi-pass deforming assignment and the loading order for the local loading were studied by the finite elements method. The results show that when the aluminum-alloy forging is loaded integrate, the maximum deforming load 400 MN in integral forming is over the load provided by the existing equipment. While 3-segment  2-pass deforms by the local loading, the maximum deforming load can be controlled within the 300 MN for every pass, and the stop distance between the up die and the bottom die is 55 mm. Meanwhile, a complete filling forging can be achieved to meet the existing equipment requirements by loading from the middle towards both sides.

Funds:
国家自然科学基金资助项目(51575067)
AuthorIntro:
作者简介:郑斯佳(1992-),女,硕士研究生 E-mail:1054977054@qq.com 通讯作者:周杰(1965-),男,博士生导师,教授 E-mail:zhoujie20170323@163.com
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