Process combination of lateral extrusion and shear forming with straight tool motion to manufacture crankshaft-like components
将横向挤压和剪切成型与直线工具运动相结合的工艺组合来制造曲轴类部件
基本信息
- 批准号:276963522
- 负责人:
- 金额:--
- 依托单位:
- 依托单位国家:德国
- 项目类别:Research Grants
- 财政年份:2015
- 资助国家:德国
- 起止时间:2014-12-31 至 2017-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Shear forming processes are not very common in the area of cold forging, due to the fact, that conventional component geometries produced by cold forging show a a rotationally symmetrical shape. Within this project, therefore, a novel shear forming processes should be developed to produce crankshaft-like components by a combination of cold lateral extrusion and shear forming. In contrast to the conventional process combination of shear forming and upsetting there is only a small deformation zone at the transition area of shaft extension and flange. In this area a compressive stress is superimposed and both the process forces and the occurring stresses are reduced. This additionally causes a lower edge rounding at the flange area. To investigate the impacts of several process parameters a simple and modular tool is suggested and should be designed and manufactured within this project. Such process parameters are for example the amount of lateral displacement or the displacement velocity respectively the counter pressure. The main project aim is to provide a basic and scientific knowledge for the combined forming process of lateral extrusion and shear forming with a straight tool motion.
剪切成形工艺在冷锻领域并不常见,因为通过冷锻生产的传统部件几何形状显示出旋转对称的形状。因此,在本项目中,应开发一种新的剪切成形工艺,通过冷侧挤压和剪切成形的组合来生产曲轴类零件。与传统的剪切成形和镦粗工艺相比,在轴伸和法兰的过渡区只有一个很小的变形区。在该区域中,压应力叠加,并且过程力和产生的应力都减小。这额外地导致凸缘区域处的下边缘倒圆。为了研究几个工艺参数的影响,建议使用一种简单的模块化工具,并应在本项目中设计和制造。这样的工艺参数例如是横向位移量或位移速度,相应地是反压力。本研究的主要目的是提供一个基本的科学知识,为横向挤压和剪切成形的组合成形过程与一个直线的工具运动。
项目成果
期刊论文数量(1)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Development of a novel cold forging process to manufacture eccentric shafts
开发制造偏心轴的新型冷锻工艺
- DOI:10.1063/1.5035018
- 发表时间:2018
- 期刊:
- 影响因子:0
- 作者:Pasler;Liewald
- 通讯作者:Liewald
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Professor Dr.-Ing. Mathias Liewald其他文献
Professor Dr.-Ing. Mathias Liewald的其他文献
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{{ truncateString('Professor Dr.-Ing. Mathias Liewald', 18)}}的其他基金
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392513301 - 财政年份:2017
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Research Grants
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- 批准号:
313885700 - 财政年份:2016
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Joining of metal and fibre components based on the semi-solid forming process
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271949384 - 财政年份:2015
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Research Grants
New methodology of springback compensation for Advanced High Strength Steels based on geometrical modifications
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Research Grants
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262424410 - 财政年份:2014
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