Fatigue Life Analysis of Electrical Connector Contacts Part Based on ABAQUS/FE-SAFE

Proceedings of the 2019 International Conference on Precision Machining, Non-Traditional Machining and Intelligent Manufacturing (PNTIM 2019) Pub Date : 2019-11-01 DOI:10.2991/pntim-19.2019.39

W. Nan, D. Feng

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引用次数: 1

Abstract

The reliability of the fatigue life of the contacts part of the electrical connector is an important aspect of the mechanical equipment reliability. Aiming at the reliability problem of fatigue life of 450 series multi-purpose spring electrical connector contacts part, A fatigue life calculation method based on ABAQUS/FE-SAFE for the contacts part of the electrical connector is proposed. By establishing a threedimensional model of the contacts part of the electrical connector, the finite element software ABAQUS can be used to calculate the contact performance during the single insertion and removal of contacts. According to the stress state of the contact, the physical model of fatigue failure of the contact is established. Then the joint fatigue analysis software FE-SAFE is used to establish the simulation calculation model of the fatigue life of the contact, and the fatigue life of the contact can be inferred. The paper proposes a reliability calculation method for contacts part to prevent major safety accidents caused by contact failure. It is of great practical significance to guide the design, processing and inspection of electrical connector contacts part. Keywords-Electrical Connector; Contacts Part; Fatigue Life; Simulation

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基于ABAQUS/FE-SAFE的电连接器接触件疲劳寿命分析

电连接器接触部分疲劳寿命的可靠性是机械设备可靠性的一个重要方面。针对450系列多用途弹簧电连接器接触件疲劳寿命可靠性问题，提出了一种基于ABAQUS/FE-SAFE的电连接器接触件疲劳寿命计算方法。通过建立电连接器触点部分的三维模型，利用有限元软件ABAQUS计算单次插拔触点时的触点性能。根据接触的应力状态，建立了接触疲劳破坏的物理模型。然后利用接头疲劳分析软件FE-SAFE建立了接触疲劳寿命的仿真计算模型，从而推断出接触的疲劳寿命。为防止因触点失效引起的重大安全事故，提出了一种触点部件可靠性计算方法。对电连接器接触件的设计、加工和检验具有重要的指导意义。Keywords-Electrical连接器;接触部分;疲劳寿命;模拟

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Proceedings of the 2019 International Conference on Precision Machining, Non-Traditional Machining and Intelligent Manufacturing (PNTIM 2019)

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