吉林大学学报(工学版) ›› 2014, Vol. 44 ›› Issue (2): 398-403.doi: 10.13229/j.cnki.jdxbgxb201402019

• 论文 • 上一篇    下一篇

装配式凸轮轴多道次扩径联接工艺

寇淑清1, 张鹏1, 韩广秘2, 杨慎华1,3   

  1. 1. 吉林大学 辊锻工艺研究所, 长春 130022;
    2. 一汽解放青岛汽车有限公司, 山东 青岛 266043;
    3. 长春吉扬华欣科技有限责任公司, 长春 130103
  • 收稿日期:2013-05-03 出版日期:2014-02-01 发布日期:2014-02-01
  • 通讯作者: 张鹏(1987- ),男,博士研究生.研究方向:精密高效加工技术.E-mail:taiyuanzhangpeng@yahoo.cn E-mail:taiyuanzhangpeng@yahoo.cn
  • 作者简介:寇淑清(1962- ),女,教授,博士生导师.研究方向:精密高效加工技术与自动化装备. E-mail:kousq@jlu.edu.cn
  • 基金资助:

    国家科技重大专项项目(2012ZX04009-011);国际科技合作计划项目(2011DFR70350).

Connecting technology of multi-step tube expanding for assembled camshaft

KOU Shu-qing1, ZHANG Peng1, HAN Guang-mi2, YANG Shen-hua1,3   

  1. 1. Roll Forging Research Institute, Jilin University, Changchun 130022, China;
    2. FAW Jiefang Qingdao Automobile Co., Ltd., Qingdao 266043, China;
    3. Changchun Ji Yang Hua Xin Technology Co., Ltd., Changchun 130103, China
  • Received:2013-05-03 Online:2014-02-01 Published:2014-02-01

摘要:

阐述了装配式凸轮轴多道次球体扩径联接原理,对多道次扩径联接过程进行了数值模拟研究,对比分析了单、双、三道次扩径的联接区压配力、轴管变形、加载力和联接极限扭矩,并进行了凸轮轴多道次扩径联接静力扭转试验。结果显示,与单道次扩径联接相比,在预期扩径量相同的前提下,多道次扩径工艺可显著提高凸轮与轴管的压配力和联接强度,改善扩径加载条件,降低球体负荷,其中双、三道次扩径联接的凸轮轴静力扭矩可提高12%以上,是一种工艺简单、联接可靠的装配式凸轮轴机械联接新工艺。

关键词: 机械制造工艺与设备, 凸轮轴, 扩径联接, 多道次

Abstract:

The expanding tube connection by pushing through balls with multi-step for hollow assembled camshaft was presented and numerically analysed by finite element simulation. The single-step, double-step and triple-step were contrastive studied from the aspects of press-fit force, residual strain, axial loading force and maximum torsion. Static torsional strength of the assembled camshaft on expanding tube connection by multi-step pushing through balls was determined experimentally.The results show that multi-step tube expanding assembly with equal amount of interference can increase the press-fit force and connecting strength between cam and tube, improve tube expanding conditions and reduce balls load. Static torsion of assembled camshaft by the double-step or triple-step tube expanding is 12% larger than the single-step one. The new technique of assembled camshaft is suggested for its simple procedure and connecting reliability.

Key words: machinery manufacturing processes and equipment, assembled camshaft, connecting of tube expanding, multi-step tube expanding

中图分类号: 

  • TG302

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