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ISSUES WITH DETERMINIG OF MEAN TIME TO DANGEROUS FAILURE AND DIAGNOSTIC COVERAGE IN SAFETY FUNCTIONS OF MACHINE TOOLS

机译:机床安全功能的平均危险失效和诊断覆盖的确定性问题

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Safety is currently a widely discussed topic in the design and construction of machine tools. Similarly important is the area of functional safety. This article focuses on determining the mean time to dangerous failure and diagnostic coverage in safety function of machine tools. Legislative requirements (2006/42/EC) and requirements of current standards (EN ISO 12100, EN ISO 13849-1, EN 62061) are discussed. The current state of calculating the mean time to dangerous failure and diagnostic coverage and the shortcomings of current approach is presented. A new methodology for determining of mean time to dangerous failure and diagnostic coverage is outlined.
机译:安全是一种广泛讨论机床设计和施工的主题。同样重要的是功能安全领域。本文侧重于确定机床安全功能的平均危险故障和诊断覆盖。讨论了立法要求(2006/42 / EC)和当前标准的要求(EN ISO 12100,EN ISO 13849-1,EN 62061)。介绍了计算平均危险失败和诊断覆盖率的当前状态以及当前方法的缺点。概述了用于确定平均危险失败和诊断覆盖的新方法。

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