Many users feel very annoyed by the stitching machine jumper problem. In fact, some jumper problems are not necessarily caused by the stitching machine itself, but caused by man-made reasons.
1. 70% of sewing machine jumpers are caused by human problems. For example, when many users are stitching thin material packaging bags or soft material packaging bags, occasionally the sewing machine jams, and then do not know how to deal with it. Directly pull the bag hard pull the machine, this operation, even the best sewing machine will have a jumper, because after you deadlift, the position of the crochet stitch of the sewing machine will be pulled out of position, resulting in a jumper.
2. There is another kind of sewing machine that you have never pulled or encountered a card bag, and there will be a jumper after a period of time. What is going on? In fact, this is the quality problem of the sewing machine, because the crochet design is different, the quality of the crochet screw is not strong, and the looseness of the crochet will cause the crochet position to be disordered, and the jumper problem. This is the quality problem of the sewing machine, and most of them appear on the trapeze machine. This kind of failure is difficult to solve at one time, and there will be a jumper problem after a period of time. Therefore, it is recommended that the user choose a good quality electric sewing machine.
