中         ●剪线结构简单合理，故调整方便                ●考虑从中厚料到厚料范围的缝制而设计出来的传动结构使缝制效果                  更完美。                ●强有力的倒缝继电器使倒缝时亦能保持针脚的美观性   E   Simple & easily adjustable thread trimming mechanism.        Feeding & seaming mechanism not only for medium thick material but for heavy      material guarantees powerful stitching and perfect seaming.        Only pressing soft-touch button and back-tack solenoid which minimizes      power-loss execute strong back-tack power during heavy material sewing.     规 格 Specification   MODEL KM-250B-7S(N) LOCK STITCH TYPE Drop Feed APPUCATION Heavy Material MAX.SEWING SPEED 4,500spm(Commercial Use:4,000spm) MAX.STITCH LENGTH 7mm NEEDLE STROKE 33.4mm THREAD TAKE-UP STROKE 62.3mm HEIGHT OF PRESSER FOOT BY BAND 5.5mm BY KNEE 14mm(Max.) BY AUTOMATIC Max.14mm(Optional) HOOK Auto-Lubrication Hook NEEDLE DB×1 #20-#23 TRIMMING DEVICE Trimming(-7S/-7N):Provided MOTOR Trimming(-7S):Servo Motor Trimming(-7N):N.P Motor Non-Trimming Type(No Mark):Clutch Motor