As for the nose roller, it has the function of facilitating the transfer of the parts from one conveyor to another.
On the idle side, a smaller diameter roller is added in order to get as close as possible to the roller of the next conveyor belt and allow the passage of smaller-sized parts without getting stuck between the rollers of the two belts.
The peculiarities of this solution are the possibility to be used for conveyor belt until 1190mm usable belt and the parts transfer speed up that reduces the risk that parts get stuck between the small roller and the roller of the following conveyor belt.