縫(feng)(feng)(feng)(feng)紉(ren)(ren)機一(yi)般(ban)是(shi)由機頭、機座、傳動和(he)附(fu)件四部分組成,能縫(feng)(feng)(feng)(feng)制棉、麻(ma)、絲、毛、人造(zao)纖維等織物和(he)皮革、塑料、紙張等制品,縫(feng)(feng)(feng)(feng)出的線跡(ji)整齊美觀、平整牢固,縫(feng)(feng)(feng)(feng)紉(ren)(ren)速度(du)快、使用簡便(bian)。通(tong)常分為鎖(suo)式(shi)線跡(ji)和(he)鏈式(shi)線跡(ji)縫(feng)(feng)(feng)(feng)紉(ren)(ren)機兩(liang)類,鎖(suo)式(shi)線縫(feng)(feng)(feng)(feng)紉(ren)(ren)機線跡(ji)分布密實,縫(feng)(feng)(feng)(feng)紉(ren)(ren)的牢度(du)一(yi)般(ban)超過手工(gong)縫(feng)(feng)(feng)(feng)紉(ren)(ren),鏈式(shi)線跡(ji)富有彈性,能隨縫(feng)(feng)(feng)(feng)料一(yi)起伸縮而(er)不會崩斷縫(feng)(feng)(feng)(feng)線,適用于彈性織物的服裝。【詳細>>】