ABAQUS中的成形模拟

在 Abaqus 中,成形是制造各种零部件最重要的工艺之一。本软件包将指导您如何在 Abaqus 中模拟成形过程,并观察材料在此过程中的行为。本软件包包含一些示例,涵盖轧制、液压成形、挤压、等通道角挤压 (ECAP)、冷锻和钻孔等工艺。.
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ABAQUS中的成形模拟

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Abaqus 中的成形简介

为了介绍“Abaqus成形入门”软件包,我们首先为您介绍一些关于成形工艺的基本信息。如今,工程师们采用多种方法来生产可用的零部件。成形工艺是最重要的制造工艺之一。在该工艺中,原材料无需去除任何材料即可转化为成品。这是该方法的优势之一。在成形工艺中,我们对原材料施加应力(例如压缩、拉伸、剪切等),使其变形为所需的形状。您可以访问[此处插入链接]了解更多关于成形工艺的信息。 此链接.

本课程将教您如何在 Abaqus 中模拟成形过程,并确定其中的有效参数。课程内容涵盖轧制、液压成形、挤压、等通道角挤压 (ECAP)、冷锻和钻孔等成形工艺。.

研讨会 1:布氏硬度试验模拟

首先,第一个研讨会讲解了黄铜合金零件布氏硬度测试的模拟。我们使用轴对称模型来模拟零件。研讨会结束时,您可以绘制应变能图。这样,您就可以根据压入深度计算布氏硬度值。.

研讨会 2 冷锻模拟

本研讨会将介绍钢棒的冷锻工艺。在该工艺中,零件温度低于金属再结晶温度。模拟在二维空间中进行。我们分别使用壳单元和线单元来模拟模型和模具。工艺结束后,您还可以测量米塞斯应力和其他参数。.

研讨会3:Abaqus中ECAP成形的模拟

本次研讨会将讲解铝坯挤压成垂直通道的过程。ECAP 代表等通道角挤压。该工艺会增加应变,从而使材料结构的晶粒尺寸减小。最终,您可以获得有关米塞斯应力大小的信息。.

研讨会 4:Abaqus 中的正向挤压成形

在本研讨会中,我们模拟了铝线的正向挤压过程。由于形状变化明显,我们使用了ALE自适应网格。研讨会结束时,我们可以看到零件温度会因摩擦作用而升高。.

研讨会 5:钻井模拟

接下来,在本工作坊中,我们模拟了一个钻孔过程。在这个例子中,我们将使用钛钻头在铝块上钻孔。我们之前已经在CAD软件中对钻头进行了建模,因此已将其导入到模型中。此外,我们还从材料库中导入了材料属性。.

研讨会6:Abaqus中的挤压成形仿真

本次研讨会中,我们模拟了挤压成型过程。模型是一个铝制零件,我们采用轴对称模型进行建模。该模拟类型为温度-位移耦合模拟,因此我们还需要输入温度属性。.

研讨会7:液压成形和退火模拟

随后,我们对采用三模具的液压成形和退火工艺进行了仿真。该工艺利用高压液压油将材料压入模具中。建模过程中,我们采用了轴对称模型。.

第八讲:四通管液压成形模拟

在本研讨会中,我们讲解了四通管的液压成形仿真。本例中使用了显式求解器,并采用了质量缩放方法来缩短求解时间。在此过程中,零件厚度会发生变化,您可以在可视化模块中看到这一变化。.

 研讨会9:工字钢轧制模拟

最后,我们模拟了工字钢的轧制过程。我们建模了零件形状的四分之一。此外,由于形状变化较多,我们使用了ALE自适应网格。您还可以查看过程结束时的反作用力大小。.

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您可以在这里观看演示。.

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ABAQUS中的成形模拟 有 2 个评价

  1. Avatar of Robert Brown

    罗伯特·布朗

    感谢您开设这门精彩的课程,其中包含许多研讨会。课程内容非常有益,最重要的是信息量很大。.

  2. Avatar of Eymen Kucuk

    艾曼·库丘克

    很棒的课程!非常感谢课程团队。课程组织得井井有条,我从中学习到了很多新知识,也获得了宝贵的实践机会。.

    • Avatar photo

      CAE 助理组专家

      谢谢。希望其他产品能让您更满意!

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