膜片弹簧离合器盖总成DFMEA应用研究

doi:10.16578/j.issn.1004.2539.2014.05.012

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膜片弹簧离合器盖总成DFMEA应用研究

更新时间：2025-04-03

- 膜片弹簧离合器盖总成DFMEA应用研究
- Vol. 38, Issue 5, Pages: 166-170(2014)
- 作者机构：
  
  江苏大学汽车与交通工程学院
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2014.05.012
  CLC： TH133.4
- Published：2014
- 稿件说明：
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[1]庆鹏程,任明辉,邱琦锋.膜片弹簧离合器盖总成DFMEA应用研究[J].机械传动,2014,38(05):166-170.

[J]. 2014, 38(5): 166-170.
[1]庆鹏程,任明辉,邱琦锋.膜片弹簧离合器盖总成DFMEA应用研究[J].机械传动,2014,38(05):166-170. DOI： 10.16578/j.issn.1004.2539.2014.05.012.

[J]. 2014, 38(5): 166-170. DOI： 10.16578/j.issn.1004.2539.2014.05.012.

摘要

DFMEA（设计失效模式及影响分析）是一种管理方法在产品设计中的应用

可以实现从设计源头控制产品的质量。以某混合动力轿车匹配离合器设计开发为例

分析了DFMEA的应用方法

建立了离合器盖总成设计的DFMEA模型。利用建立的DFMEA模型

对初始设计方案中的膜片弹簧进行DFMEA分析

首次应用风险矩阵（Risk Matrix）和危害度SO进行风险评估

对膜片弹簧大端凹口连接分离指窗孔处出现断裂的潜在失效模式进行改进并对其进行有限元分析

并最终通过结构改进避免了潜在失效模式风险的发生

从而验证了在产品设计时使用DFMEA能够有效预防潜在失效模式的发生。

Abstract

DFMEA（Design Failure Mode and Effects Analysis）is a management method in product design applications that can be achieved to control the quality of the products from the design source.Combined with a clutch design development projects of a hybrid car matching clutch as example

the application method of DFMEA is analyzed

and the DFMEA model of clutch cover assembly is established.Using the established DFMEA model

the DFMEA analysis of diaphragm spring in initial design scheme is carried out.It’s the first time for using Risk Matrix and SO in risk assessment

the finite element analysis and improvement of the potential risk of the occurrence of failure mode that the fracture at big end notched separate connection finger hole of the diaphragm spring are carried out

and ultimately through structural improvement

the occurrence of potential failure mode is avoided

which proves that using DFMEA in the product design can effectively prevent the occurrence of potential failure mode.

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