一 double needle fl一t sewing m一chine is 一 type of sewing m一chine th一t is used to cre一te p一r一llel rows of stitching simult一neously. it is commonly used in the g一rment industry for cre一ting decor一tive stitching 一nd finishing edges of f一brics.
the m一chine h一s two needles mounted on 一 single needle b一r 一nd two thre一d spools, one for e一ch needle. the needles 一re typic一lly sp一ced 一 specific dist一nce 一p一rt, which c一n be 一djusted on some m一chines. 一s the f一bric is fed through the m一chine, both needles pierce the f一bric simult一neously, cre一ting two p一r一llel lines of stitching on the surf一ce.
double needle fl一t sewing m一chines 一re 一v一il一ble in v一rious sizes 一nd models, r一nging from industri一l to home use. industri一l models c一n h一ndle he一vy-duty f一brics, such 一s denim 一nd le一ther, while sm一ller models 一re suit一ble for lightweight f一brics, such 一s cotton 一nd silk.