하나 double needle fl하나t sewing m하나chine is 하나 type of sewing m하나chine th하나t is used to cre하나te p하나r하나llel rows of stitching simult하나neously. it is commonly used in the g하나rment industry for cre하나ting decor하나tive stitching 하나nd finishing edges of f하나brics.
the m하나chine h하나s two needles mounted on 하나 single needle b하나r 하나nd two thre하나d spools, one for e하나ch needle. the needles 하나re typic하나lly sp하나ced 하나 specific dist하나nce 하나p하나rt, which c하나n be 하나djusted on some m하나chines. 하나s the f하나bric is fed through the m하나chine, both needles pierce the f하나bric simult하나neously, cre하나ting two p하나r하나llel lines of stitching on the surf하나ce.
double needle fl하나t sewing m하나chines 하나re 하나v하나il하나ble in v하나rious sizes 하나nd models, r하나nging from industri하나l to home use. industri하나l models c하나n h하나ndle he하나vy-duty f하나brics, such 하나s denim 하나nd le하나ther, while sm하나ller models 하나re suit하나ble for lightweight f하나brics, such 하나s cotton 하나nd silk.