“Safeguards are only an accessory, they must be cheap and they can be made in such a way” – cit.
This sentence is with us for many years and it seems to be the most common way of thinking in the universe of the builders.
Fortunately, the norms don’t permit us to join this way of thinking and impose to us very precise parameters to be used to study our solutions.
Each safeguard has the necessity to satisfy different requirements to defend the safety of the operators and to avoid at the maximum the risk of accidents.
Fix, movable and interlocking devices. What must be chosen?
It depends on the characteristics of the machine and from the level of criticality deriving from the risks’ analysis.
In the meantime, with this video, we try to understand the differences between the different types.