University of Twente Student Theses


Concept study on novel gripper concept for in-hand rotational manipulation of poultry products

Nooijen, S.M.P. (2023) Concept study on novel gripper concept for in-hand rotational manipulation of poultry products.

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Embargo date:9 November 2025
Abstract:Although automation is vastly applied in the food industry, challenges persist in the individual handling of poultry products due to the variation in products and complex manipulations in combination with high throughput. This study aims to provide a foundation for the development of an industrially suitable gripper for in-hand rotational manipulation of poultry products. Through a combination of a literature review and brainstorming, ten concepts were initially generated, from which concept "Belt driven manipulation" showed the most potential. In order to study the influence of design parameters on object rotation, a theoretical model was constructed and validated by experiments on a prototype. As concluded by the theoretical model, an increase in grip angle reduces the required tension force and theoretical belt strain. The prototype provided a proof of concept in which a rotation of 180 degrees was obtained within 260ms. Additionally, characteristics of poultry products, as flexibility and geometry were studied to ensure rotation was performed reliably. As a result, successful rotation was obtained for a configuration implementing a grip angle of 60 degrees and a maximum gap width of 8 millimeters.
Item Type:Essay (Master)
Marel Poultry, Boxmeer, Netherlands
Faculty:ET: Engineering Technology
Subject:52 mechanical engineering
Programme:Mechanical Engineering MSc (60439)
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