The take- up motion controls the rate at which the cloth is drawn forward, and its function may be to secure either uniform pick -spacing(i. e. the same number of picks/10cm everywhere along the cloth) or uniform density of weft.

• 卷取机构控制着织物的前进速度。卷取机构的功能是保证均匀的纬纱间距(即在织物长度范围内每10厘米内的纬纱根数各处相同)或均匀的纬纱密度。