縫紉(ren)(ren)機(ji)(ji)一般是由機(ji)(ji)頭、機(ji)(ji)座、傳動(dong)和附件(jian)四部分組成(cheng)，能(neng)縫制棉、麻(ma)、絲、毛、人造纖維等(deng)織(zhi)物(wu)和皮革、塑料、紙張(zhang)等(deng)制品，縫出的線(xian)(xian)(xian)跡(ji)整(zheng)齊美觀(guan)、平整(zheng)牢固，縫紉(ren)(ren)速度快、使用(yong)簡便。通常分為鎖(suo)式(shi)線(xian)(xian)(xian)跡(ji)和鏈(lian)式(shi)線(xian)(xian)(xian)跡(ji)縫紉(ren)(ren)機(ji)(ji)兩類，鎖(suo)式(shi)線(xian)(xian)(xian)縫紉(ren)(ren)機(ji)(ji)線(xian)(xian)(xian)跡(ji)分布(bu)密(mi)實(shi)，縫紉(ren)(ren)的牢度一般超過(guo)手工(gong)縫紉(ren)(ren)，鏈(lian)式(shi)線(xian)(xian)(xian)跡(ji)富有彈(dan)性，能(neng)隨縫料一起伸縮而不會崩斷縫線(xian)(xian)(xian)，適用(yong)于彈(dan)性織(zhi)物(wu)的服(fu)裝。【詳細>>】