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首页> 外文期刊>Procedia Manufacturing >Accelerated Life Testing to Predict Service Life and Reliability for an Appliance Door Hinge
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Accelerated Life Testing to Predict Service Life and Reliability for an Appliance Door Hinge

机译：加速寿命测试，以预测设备门铰链的使用寿命和可靠性

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Appliance manufacturers have traditionally performed physical testing using prototypes to assess reliability and service integrity of new product designs. However, for white goods where service lives are measured in years or decades, the use of endurance testing to analyze long time reliability is uneconomical. As accelerated life testing (ALT) is more efficient and less costly than traditional reliability testing, the methodology is finding increased usage by appliance manufacturers. In the present study, a simulation-based ALT approach was used to predict the service life of a polyacetal hinge cam from a consumer refrigerator. A predictive life stress model based on cumulative surface wear under accelerated stress conditions was developed and used to predict time to failure under consumer use. Results show that the life stress model demonstrated good agreement with performance testing data and reasonably predicts hinge life.
机译：电器制造商传统上使用原型进行物理测试，以评估新产品设计的可靠性和服务完整性。但是，对于使用寿命长达数年或数十年的白色家电，使用耐久测试来分析长期可靠性是不经济的。与传统的可靠性测试相比，加速寿命测试（ALT）效率更高，成本更低，因此该方法正被家电制造商所采用。在本研究中，基于仿真的ALT方法用于预测家用冰箱中聚缩醛铰链凸轮的使用寿命。建立了基于加速应力条件下累积表面磨损的预测寿命应力模型，并将其用于预测消费者使用后的失效时间。结果表明，寿命应力模型与性能测试数据显示出良好的一致性，并且可以合理地预测铰链寿命。

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