GC -1810 型号TYPE GC -1802 厚料上下送料带倒缝缝纫机Heavy duty top and bottom feed backstitch sewing machine 特点及用途： 1 大旋梭，特厚料，上下送料 2 连杆挑线，高精度螺旋伞齿轮传动，大旋梭勾线(佐文旋梭) 3 适用特别厚缝料及较粗的缝线 4 适用于箱包，皮革，沙发，帐篷，凉席等行业 SPECIAL FEATURES AND APPLICATIONS 1 Equipped with an extra large horizontal rotating hook and bobbin for use with thick threads 2 Picked out threads by connecting rod,driven by hgh‐precision bevel gears ,drawn threads by rotating hook. 3 Suitable for extra thick material and extra thick threads. 4 Suitable for travel,bags,leather good,,sofa,tent ,summer sleeping mat ,etc. 规格 最高缝速 1200转∕分 最大缝目 13毫米 压脚提升 20毫米 机针型号 DY﹡1 缝制空间 253 X 190毫米 SPECIFICATIONS Max. sewing speed 1200 RPM Max. stitch length 13 mm Lift of presser foot 20mm Needle system DY﹡1 Sewing area 253 X 190mm