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首页> 外文会议>2013 Fifth Conference on Measuring Technology and Mechatronics Automation. >The Thermal Stress Analysis of Ceramic-Steel Cavity Die in Cold Extruding
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The Thermal Stress Analysis of Ceramic-Steel Cavity Die in Cold Extruding

机译：陶瓷钢型腔模具冷挤压热应力分析

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摘要

In order to avoid tangential and axial tensile stress, both the temperature and the stress distribution of the ceramic-steel cavity die in cold extruding is analyzed with the static structure analysis by the finite element method. Taking the two-layer cavity die as an example, it indicates that the tensile stress only affects the middle region of the die during the extrusion process, and the biggest tensile stress is concentrated on the middle region, the value in the top and the base is relatively small. And along with enhancement of the friction coefficient, the plastic deformation resistance of metallic material is got bigger and bigger, the lateral pressure and the tensile stress which the ceramic-steel cavity die received is also increased.
机译：为了避免切向和轴向拉应力，采用有限元方法通过静态结构分析对冷挤压陶瓷型腔模具的温度和应力分布进行了分析。以两层型腔模具为例，表明拉伸过程中拉伸应力仅影响模具的中间区域，最大拉伸应力集中在中间区域，其值在顶部和底部。比较小。随着摩擦系数的增大，金属材料的塑性变形阻力越来越大，陶瓷钢腔模具承受的侧向压力和拉应力也增大。

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