Prevention Measure and Reason of Segment Plate Generates Cracks in the Process of Hot Strip Coiling Transmission

Zhao Shengkun; Li Yong

doi:10.16578/j.issn.1004.2539.2016.03.037

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Prevention Measure and Reason of Segment Plate Generates Cracks in the Process of Hot Strip Coiling Transmission

更新时间：2022-10-20

- Prevention Measure and Reason of Segment Plate Generates Cracks in the Process of Hot Strip Coiling Transmission
- Vol. 40, Issue 3, Pages: 156-159(2016)
- 作者机构：
  
  1. 衡阳中钢衡重设备有限公司技术中心
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2016.03.037
  CLC：
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[1]赵盛琨,李勇.热连轧带钢卷取传动过程中扇形板产生龟裂原因及防治措施[J].机械传动,2016,40(03):156-159.

Zhao Shengkun, Li Yong. Prevention Measure and Reason of Segment Plate Generates Cracks in the Process of Hot Strip Coiling Transmission. [J]. 40(3):156-159(2016)
[1]赵盛琨,李勇.热连轧带钢卷取传动过程中扇形板产生龟裂原因及防治措施[J].机械传动,2016,40(03):156-159. DOI： 10.16578/j.issn.1004.2539.2016.03.037.

Zhao Shengkun, Li Yong. Prevention Measure and Reason of Segment Plate Generates Cracks in the Process of Hot Strip Coiling Transmission. [J]. 40(3):156-159(2016) DOI： 10.16578/j.issn.1004.2539.2016.03.037.

摘要

为探究热轧扇形板在使用过程中产生龟裂纹的原因,结合现场扇形板的使用工况,采用ANSYS有限元分析方法,建立热力耦合模型对其使用过程中的温度场、应力场进行分析。分析结果表明,卷取过程中扇形板温度场和热应力场的不均匀性以及局部区域反复的应力集中和热疲劳是造成扇形板龟裂纹的主要成因,并提出了相应的改进和防治龟裂的方法和措施。

Abstract

In order to analyze the reason of the hot- rolled segment plate generates cracks in long- term use,combining with the actual situation and using ANSYS,the thermal coupling model is established,and the temperature field and stress field in the using process are analyzed. The results show the main reason of the segment plate causing cracking is the temperature field and the inhomogeneity of the thermal stress field,the local regional focus stress and the thermal fatigue during the coiling process,and the methods and measures of improving and preventing the cracks are put forward.

关键词

扇形板耦合温度场应力场

Keywords

Segment plateCouplingTemperature fieldStress field

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