Edge-weaving Mechanism composition and the role it plays in the working

Composition of the weaving edge mechanism (left and right 

weaving edges): weaving edge cams (there are two types of 

cams, one for plain weaves and one for twill weaves), weav

-ing edge treads, treads with short shafts, edge heald lifting 

rods, edge heald bars, triangular rods, edge filament frames, 

guiding boards, guide board carriers, weaving edge rollers, 

weaving edge pulling springs.

1. So that the weft wires remain under a certain tension 

even after they are detached from the sword hook, preventing 

the weft wires from springing back.

2. Improve the reliability of the weft cutter to catch the weft.

3. Make the mesh edge easy to cut neatly.