...that normative evidence must be provided for self-built, separating protective devices?

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Normative evidence for self-built Protective Devices

 

A separating protective device must fulfill several functions: it must separate the working area of the system and absorb impacts from both the outside and the inside.

 

knowledgeFor anyone building a separating protective device themselves, the standard EN ISO 14120 is relevant.

 

To prevent the ejection of machine and component parts from the enclosure, we conduct pendulum and impact tests. This is crucial for safety assessment, as it simulates the load on the protective device under impact. For example, during operation, machine or tool parts or components may break or detach during rotating movements.

The protected area is defined by the separating protective device according to EN ISO 10218-2. The robot, in turn, has a securely limited space in which it can move. This space is defined constructively, and the fence layout adapts to this restricted area. The separating protective device, as a boundary device, represents an exception and must be carefully considered in the risk assessment.

 

If there is a risk of impact from a person, the protective device must be able to withstand and contain this impact. 


This refers to the possibility that a person may fall against the separating protective device from the outside, for example, due to tripping. If this cannot be ruled out, it must be demonstrated, using the pendulum test, that the protective fence can withstand the impact force.

 

Schematic illustration of a pendulum test

 

Schematic illustration of a pendulum test

Schematic illustration of a pendulum test

 

 

 

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Safety Fence

Safety Fence