Abstract:

To analyze the impact of loop style on fabric appearance, those looping, floating, tuck and transfer unit structure fabric were made by STOLL HP 530 computerized flat knitting machine (E3.5.2). The photograph of those structure taken by the depth of field microscope, and those loop structure parameter were measured. The influence law of different loop style on fabric appearance is summarized. The root cause of the fabric deformation was analyzed from the point of mechanics, It was found that due to the change of loop style in fabric, the original force equilibrium is broken, cause the yarn tension. Under the action of yarn tension, yarn transfer between the adjacent loop, led to the fabric appearance change eventually. The loop in the fabric was simplified as a particle, the deformation law of loop is converted to the displacement law of particle system. This research provide theoretical research foundation for the flat knitting fabric computer simulation using particle system.

Key words: particle system, deformation analysis, simulation, flat knitting fabric, structure