NSWC-09 机械设备可靠性预计程序手册（中英对照版）
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1、Naval Surface Warfare Center Carderock Division海军水面作战中心卡德罗克师Naval Surface Warfare Center海军水面作战中心CARDEROCK DIVISION West Bethesda, Maryland 20817-5700卡德罗克分局西贝塞斯达，马里兰州20817-5700Handbook手册of的定义Reliability Prediction Procedures可靠性预测程序for表格Mechanical Equipment机械设备Logistics Technology Support物流技术支援CARDERO
2、CKDIV, NSWC-09CARDEROCKDIV，NSWC-09January, 20092009年1月Approved for Public Release; Distribution is Unlimited批准公开发行; 发行无限PREFACE前言Recognition of reliability and maintainability (R&M) as vital factors in the development, production, operation, and maintenance of todays complex systems has placed great
3、er emphasis on the application of design evaluation techniques to logistics management. An analysis of a design for reliability and maintainability can identify critical failure modes and causes of unreliability and provide an effective tool for predicting equipment behavior and selecting appropriat
4、e logistics measures to assure satisfactory performance. Application of design evaluation techniques can provide a sound basis for determining spare parts requirements, required part improvement programs, needed redesign efforts, reallocation of resources and other logistics measures to assure that
5、specified reliability and maintainability requirements will be met.可靠性和可维护性(r & m)作为当今复杂系统开发、生产、运行和维护的重要因素，越来越重视设计评价技术在物流管理中的应用。对设计的可靠性和维修性进行分析，可以识别关键的失效模式和不可靠性的原因，为预测设备行为和选择适当的物流措施以保证满意的性能提供有效的工具。设计评估技术的应用可以为确定备件需求、所需的部件改进方案、所需的重新设计工作、资源的重新分配和其他后勤措施提供良好的基础，以确保满足特定的可靠性和维修性要求。Many efforts have been a
6、pplied toward duplicating the data bank approach or developing a new approach for mechanical equipment. The statistical analysis of equipment aging characteristics, regression techniques of equipment operating parameters related to failure rates, and analysis of field failure data have been studied
7、in attempts to develop a methodology that can be used to evaluate a new mechanical design for R&M characteristics.在复制数据库方法或开发机械设备的新方法方面，已经做出了许多努力。本文研究了设备老化特性的统计分析、与故障率有关的设备运行参数的回归技术和现场故障数据的分析，试图开发一种新的机械设计方法来评价 r & m 特性。Many of the attempts to develop R&M prediction methodology have been at a system
8、or subsystem level. The large number of variables at these levels and lack of detailed knowledge regarding operating environment have created a problem in applying the results to the design being evaluated. Attempts to collect failure rate data or develop an R&M prediction methodology at the system
9、or subsystem level produce a wide dispersion of failure rates for apparently similar components because of the basic characteristics of mechanical components.许多开发 r & m 预测方法的尝试已经处于系统或子系统级别。在这些层次上的大量变量和缺乏关于操作环境的详细知识已经造成了将结果应用到被评估的设计中的问题。由于机械零部件的基本特性，试图在系统或子系统层面收集故障率数据或开发 r & m 预测方法，会对明显相似的零部件产生广泛的故障率
10、分散。The Design Evaluation Techniques program was initiated by the Carderock Division of the Naval Surface Warfare Center (CDNSWC) and was sponsored by the Office of Naval Technology under the Logistics Exploratory Development Program, P.E. 62233N. The methodology for predicting R&M characteristics as
11、 part of this development effort does not rely solely on failure rate data. Instead, the design evaluation procedures consider the material properties, operating environment and critical failure modes at the component part level to evaluate a design for R&M. The purpose of this Handbook is to presen
12、t the proposed methodology for predicting the reliability of mechanical equipment and solicit comments as to the potential utility of a standard reference for reliability predictions of mechanical equipment.设计评估技术项目由海军水面作战中心(CDNSWC)的卡德罗克分部发起，并由海军技术办公室在后勤探索发展项目(p.e. 62233N)下发起。作为开发工作的一部分，预测 r & m 特性的
13、方法不仅仅依赖于失败率数据。相反，设计评估程序考虑材料特性，操作环境和关键失效模式在部件级别的 r & m 设计评估。本手册的目的是介绍预测机械设备可靠性的拟议方法，并就机械设备可靠性预测的标准参考的潜在效用征求意见。The development of this Handbook by the Logistics Technology Support Group (Code 2120) of CDNSWC was coordinated with the military, industry and academia. Sponsors of this effort included the
14、 U. S. Army Armament Research, Development &CDNSWC 的后勤技术支持小组(代码2120)开发这本手册是与军事，工业和学术界协调。这项工作的赞助商包括美国陆军装备研究开发与发展部Prefacei前言 iRevision A修订版 aEngineering Center (SMCAR-QAH-P), Picatinny Arsenal and the Robins AFB, WR-ALC/LVRS. These sponsors have provided valuable technical guidance in the development
15、of the methodology and Handbook. Chapter 1 of the Handbook provides a summary of the testing program to validate the prediction methodology. Also, the Robins AFB supplied an MC-2A Air Compressor Unit for validation testing purposes. The procedures contained in this Handbook were used to predict the
16、failure modes of the MC-2A and their frequency of occurrence. Reliability tests were then performed with a close correlation between predicted and actual reliability being achieved. Past sponsors and participants in the program include the Belvoir Research, Development, & Engineering Center; Wright-
17、Patterson AFB; Naval Sea Systems Command; Naval Air Test Center and Louisiana Tech University.工程中心(SMCAR-QAH-P) ，皮卡汀尼军械库和罗宾斯 AFB，WR-ALC/LVRS。这些赞助商在开发方法学和手册方面提供了宝贵的技术指导。手册的第1章提供了一个测试程序的总结，以验证预测方法。同时，Robins AFB 提供了一个 MC-2A 空气压缩机单元用于验证测试。本手册中包含的程序用于预测 MC-2A 的故障模式及其发生频率。然后进行可靠性测试，预测和实际可靠性之间密切相关。该项目过去的赞助
18、商和参与者包括贝尔沃研究开发工程中心、赖特-帕特森空军基地、海军海上系统司令部、海军航空测试中心和路易斯安那理工大学。Previous editions of this Handbook were distributed to interested engineering personnel in industry and DoD for comments as to the utility of the methodology in evaluating mechanical designs for reliability. The comments have been extremely
19、useful in improving the prediction methodology and contents of the Handbook. The revised Handbook is available at no charge and can be downloaded by visiting the CDNSWC website (www.dt.navy.mil). Every effort has been made to validate the equations presented in this Handbook. However, limited fundin
20、g has prevented the extensive testing and application of prediction procedures to the design/procurement process for full validation of the approach. Therefore, users are cautioned that this Handbook is the result of a research program and not an official DoD document.本手册以前的版本已分发给工业界和国防部感兴趣的工程人员，征求他
21、们对评估机械设计可靠性方法的实用性的意见。这些评论对于改进手册的预测方法和内容非常有用。经修订的手册可免费索取，亦可于委员会网页(www.dt.navy.mil)下载。本手册已尽一切努力验证所提供的方程式。然而，有限的资金阻碍了预测程序在设计/采购过程中的广泛测试和应用，以完全验证该方法。因此，用户需要注意的是，这本手册是一个研究项目的结果，而不是国防部的官方文件。Several companies have chosen to produce software packages containing the material in this Handbook, the attempt bei
22、ng to sell a software package whereby the reliability of mechanical components can be predicted in the same way as electronic components. The Navy has not been and is not now in any way connected with the commercial ventures to produce software packages. As described previously, it is important to u
23、nderstand the difference between the failure rate data used to evaluate electronic equipment and the procedures used to evaluate mechanical equipment. For a company to extract equations from the Handbook without regard to the application procedures is in violation of the intent of the Handbook, the
24、result being a potentially dangerous situation for the user in logistically relying on inaccurate results. Another result is the damaging reputation to CDNSWC and the Navy in their attempts to improve the reliability of mechanical equipment through a greater understanding of mechanical system design
25、 To extract equations from the Handbook without regard to the procedures and parameter limits defeats the purpose of the Handbook in helping the designer of mechanical systems gain a greater insight as to the reliability of his design.一些公司选择生产包含本手册所载材料的软件包，其目的是出售一个软件包，据此可以像预测电子部件一样预测机械部件的可靠性。海军过去和现
26、在都没有以任何方式与生产软件包的商业企业联系在一起。如前所述，了解用于评估电子设备的故障率数据和用于评估机械设备的程序之间的差异是很重要的。如果一家公司不顾申请程序从手册中提取方程式，就违反了手册的意图，其结果对于用户在后勤方面依赖不准确的结果是一种潜在的危险情况。另一个结果是，CDNSWC 和美国海军试图通过更好地理解机械系统设计来提高机械设备的可靠性，这对他们的声誉造成了损害。从手册中提取方程式而不考虑程序和参数限制，违背了手册帮助机械系统设计者更深入地了解其设计的可靠性的目的。CDNSWC has developed a software package that automates t
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