Advanced Forming Process Model - AFPM

Advanced Forming Process Model - AFPM
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先进成形工艺模型 - AFPM

DOI:
10.1007/978-3-642-32448-2_17
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发表时间:
2013
期刊:
影响因子:
--
通讯作者:
Kriechenbauer
Kriechenbauer
中科院分区:
--
文献类型:
--
作者:
Großmann;Hardtmann. A;Wiemer;Penter;Kriechenbauer

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本章讨论了金属成形过程的建模和仿真方法,并说明了它们在产品设计、生产和工艺规划中的应用。在目前基于有限元的成形分析中,对成形过程的主要影响因素被忽略了。在分析压力机和刀具的弹性静力特性的基础上,扩展了传统的有限元过程模型,并考虑了最主要的弹性静力影响。结果表明,在有限元过程仿真中,采用离散元和其他简化方法可以很容易地实现复杂的弹性系统,如模具垫和刀具导向,这些方法最近在商业仿真软件中引入。实验验证了先进成形工艺模型的优越性。伺服机械压力机使制造商能够在钣金成形中建立高速工艺。在这种情况下,动态冲压行为对成形过程的影响远大于相对静态的常规拉深。作为一个例子,高动态成形过程的模拟和解释如下。
This chapter discusses methods of modeling and simulating metal forming processes and explains their application in product design, production and process planning. In today’s Finite Element (FE)-based forming analysis, major effects on the forming process are being neglected. Based on the analysis of the elastostatic press and tool properties, a conventional FE process model was extended with the most dominant elastostatic influences. It is shown that complex elastic systems, such as die cushions and tool guidance, are quite easily implemented in FE process simulations by using discrete elements and other reduction methods, recently introduced in commercial simulation software. The benefit of the Advanced Forming Process Model (AFPM) is demonstrated by an experimental verification. Servo mechanical presses enable the manufacturers to establish high-speed processes in sheet metal forming. There, the dynamic press behavior has a much larger influence on the forming process than it has in the relatively static conventional deep drawing. As an example, a highly dynamic forming process is simulated and explained in the following.
DOI: 10.1002/srin.200505997
发表时间: 2005
影响因子: 2.2
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影响因子: --
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影响因子: --
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