Many machine designers think of interlocks as exclusively electrical devices; a switch is attached to a movable mechanical guard, and the switch is connected to the control system. Trapped Key Interlocking is a way to interlock guards that is equally effective, and often more appropriate in difficult environmental conditions. Continue reading “Trapped Key Interlocking”
In Part 2 of this article, I looked at the pressure-sensitive devices (safety edges) themselves. This part explores the stopping performance requirements that engineers and technologists need to consider when applying these devices. Continue reading “How to Apply a Safety Edge to a Machine Guard – Part 3: Stopping Performance”
Learn Machinery Risk Assessment anytime and anywhere.
Introduction to Risk Assessment is our 12-week machinery risk assessment course, based on ISO 12100:2010 and ISO/TR 14121 – 2:2012 standards. Delivered online, this course features widely accepted methodology that can be used without modification in Canada, the EU, and the USA. Continue reading “RA101 – Introduction to Risk Assessment”