Bellows suction cups are particularly suitable for sensitive materials having an uneven surface.
They facilitate easy level and angular compensation with varying product surfaces and pick up the product as soon as the vacuum is switched on.
The more folds that the suction cup has, the larger is the lifting movement and thus, the height compensation. However, the lateral stability reduces with the number of folds.
Bellows suction cups, hence, are recommended only for vertical handling of products.