Квадратный корпус ролика кормить промышленные швейные машины

Specifications: 1.This Industrial Sewing machine works with upper roller,lower wheel and needle feeding synchronized, ensuring smooth sewing at all times, even when joining together other material for overlap sewing. 2.Needle feed ensures constantly supply of thin and thick material. no matter it moves straight forward or makes turns 3.Also suitable for sewing spongy materials, no crinkle or transform will occure instead the stitch is very smooth and neat. 4.Low friction between the parts because ball and needle bearing are used. Easy maitenance and long service life. 5.We BOMA self-develop a new model-BMA-9910L/9920L,adopting the large hook, whichcanwork with double thick threadas before. It is much easier for workers to change thread during sewing. Applications: Suitable for boot, sport shoes, leisure shoes, genuine leather shoes and so on. Mechanic Details: ModelSpeedNeedleStitch LengthPresser LiftingNeedle Bar StokeNeedle GuageMotorBMA-99102500#18 23 8MM 15MM 41MM -----------400WBMA-99202500#18 23 4MM15MM 41MM 1.6 2.8MM400WBMA-9910L2500#18 23 8MM 15MM 41MM -----------400WBMA-9920L2500#18 23 4MM 15MM 41MM1.6 2.8MM400W