[1]李天峰.长时间超负荷运行单螺杆空气压缩机螺杆轴断裂失效分析[J].机械与电子,2023,41(06):76-80.
　LI Tianfeng.Fracture Failure Analysis of Screw Shaft of Single Screw Air Compressorunder Overload Operation for a Long Time[J].Machinery & Electronics,2023,41(06):76-80.
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长时间超负荷运行单螺杆空气压缩机螺杆轴断裂失效分析()
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《机械与电子》[ISSN:1001-2257/CN:52-1052/TH]

卷:
41
期数:
2023年06期
页码:
76-80
栏目:
机电一体化技术
出版日期:
2023-06-25

文章信息/Info

Title:
Fracture Failure Analysis of Screw Shaft of Single Screw Air Compressorunder Overload Operation for a Long Time
文章编号:
1001-2257 ( 2023 ) 06-0076-05
作者:
李天峰
中煤华晋集团有限公司王家岭选煤厂,山西 运城 043301
Author(s):
LI Tianfeng
( Wangjialing Coal Preparation Plant , China Coal Huajin Group Co. , Ltd. , Yuncheng 043301 , China )
关键词:
单螺杆空气压缩机; 螺杆轴; 有限元模型; 超负荷运行; 断裂失效
Keywords:
single screw air compressor ;  screw shaft ;  finite element model ;  overload operation ;  fracture failure
分类号:
TH45 ; X941
文献标志码:
A
摘要:
对长时间超负荷运行单螺杆空气压缩机螺杆轴断裂失效进行有限元模拟分析。构建单螺杆空气压缩机螺杆轴的有限元模型,根据螺杆轴的实体尺寸与状态实施建模处理。在综合考虑载荷条件、疲劳强度系数和平均应力等影响疲劳寿命因素的基础上,通过 ANSYS 软件中的疲劳分析模块模拟长时间超负荷运行状态。通过裂纹分析方法对螺杆轴进行断裂失效模拟分析,利用高频疲劳试验机进行试验分析,结果表明,该模拟分析方法能够计算出裂纹方向的 von Mises 等效应力分布图、轴向位移和应力变化,多次对比测试后的准确性较好。
Abstract:
The fracture failure of the screw shaft of the single screw air compressor was analyzed by finite element simulation.The finite element model of the screw shaft of the single screw air compressor is constructed , and the modeling processing is implemented according to the solid size and state of the screw shaft.On the basis of comprehensive consideration of load conditions , fatigue strength coefficient , average stress and other factors affecting fatigue life , the fatigue analysis module in ANSYS software is used to simulate the long-time overload operation state.The fracture failure simulation analysis of the screw shaft is carried out through the crack analysis method , and the test analysis is carried out by using the high-frequency fatigue testing machine.The results show that the simulation analysis method can calculate the von Mises equivalent stress distribution diagram and the axial displacement and stress changes in the crack direction , and the accuracy of multiple comparative tests is good.

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备注/Memo

备注/Memo:
收稿日期: 2022-09-30
作者简介:李天峰 ( 1986- ),男,山西运城人,工程师,研究方向为选煤、机电技术。
更新日期/Last Update: 2023-06-27