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Rigid rapier loom uses rigid rapier to grip the shuttle and do the reciprocating movement to realize weft insertion. To grip and release the shuttle, a complicated mechanism is used. But usually the stability of the mechanism is not good and the installation is complex. According to simulation and experiment, the following two mechanisms based on different principles are proposed to realize griping and releasing the shuttle. The Axiomatic Design Theory is used to analyses the two schemes and compares their rationality by their design matrixes. Finally, the two schemes’ machinability, installation convenience and performance stability are discussed to better understand their difference.

Study of shuttle griping and releasing device of weft insertion mechanism of rigid rapier loom