When it comes to emergency stop devices there is no doubt that the red mushroom-head push button is the most common – they seem to be everywhere. The second most common emergency stop device is the pull-cord, and like the light-curtain in safeguarding devices, the pull-cord is probably the most misapplied emergency stop device. Local […]
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 severe environmental conditions. Copyright secured by Digiprove © 2018Acknowledgements: As cited.Some Rights ReservedOriginal content here is published under […]
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. Copyright secured by Digiprove © 2018Acknowledgements: As cited in the text.Some Rights ReservedOriginal content here is published under these license terms: X License Type:Non-commercial, Attribution, Share AlikeLicense Summary:You may copy this content, […]