Machinery Safety 101

ISO/DIS 13849-1 Available for Public Review

Decision tree used to determine PL based on risk parameters.

Update 2020-10-11: The next three-day ISO/TC 199/WG8 meeting runs Tuesday-Thursday this week. Our committee members will be wading into the next 1 600 comments along with expert members from around the world. We’ll update you again as the changes get closer. Update 2020-09-29: Over 1 920 (!!) comments were received by the committee from the…

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ISO 13849-1 Analysis — Part 8: Fault Exclusion

Post updated 2019-07-24. Ed. Fault Consideration & Fault Exclusion ISO 13849-1, Chapter 7 [1, 7] discusses the need for fault consideration and fault exclusion. Fault consideration is the process of examining the components and sub-systems used in the safety-related part of the control system (SRP/CS) and making a list of all the faults that could…

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CSA Z432 Safeguarding of Machinery – 3rd Edition

If you build machinery for the Canadian market, or if you modify equipment in Canadian workplaces, you will be familiar with CSA Z432, Safeguarding of Machinery. This standard has been around since 1992, with the last major revision published in 2004. CSA has reconvened the Technical Committee responsible for this important standard to revise the…

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Why YOU need a Product Safety Certification Strategy that Works!

How compliance efforts go wrong Clients call me when they have problems. They sent some product to a certification body, some tests were done, and the product failed. Now what? Usually, the delivery date for the certified product is approaching quickly, and no time is available to react. Delivery is delayed, and the customer is…

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Overlapping standards: Why do we have so many ??

This post was updated on 13-Jun-16 If you’re one of my regular readers, you know that I make heavy reference to technical standards in my posts. One of the questions that is often asked, particularly by those new to the standards world is “Why are there so many competing or overlapping standards??” This is usually…

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