Machinery Safety 101

Presence Sensing Devices – Reaching over sensing fields

This entry is part 2 of 7 in the series Guards and Guarding

I recently heard about an applic­a­tion ques­tion related to a light cur­tain where a small gap exis­ted at the top of the sens­ing field, between the last beam in the field and the… 

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Interlocked gate testing

Did you know that inter­locked gates require stop­ping per­form­ance testing?

Machinery needs to be able to stop in the time it takes a per­son to open the guard and reach the haz­ard. If the dis­tance from the guard open­ing to the haz­ard is short enough that a per­son can reach the danger point before the haz­ard can be con­trolled, the guard is use­less. The res­ult­ing situ­ation may be worse

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