Sewing methods and Precautions in the process of making bulk bags
When transporting materials, most factories choose Guansong bulk bags for materials, mainly because they are convenient, easy to transport, and can be used frequently. In the process of using ton bags, too much material will cause rupture. Don’t worry about it. Next, we will introduce the sewing methods and precautions in the process of making bulk bags, and teach you how to sew bags quickly.
In the process of sewing bulk big bags, you must sew in accordance with the operating specifications, and the stitch spacing is about 1 cm; the sewing thread used must be a special thread, and the sewing thread must not have slats, curls, or floating threads. For phenomena such as cracks, the material of the upper and lower threads should be the same, and the stitches are rectangular, with a dead button about every 10 centimeters. When sewing the bottom of the ton bag, pay attention to the alignment of the edges. Repeat the sewing back and forth 3 times. The thread and other details need to be cleaned, and the stitches should be evenly routed.
In the sewing process, it is necessary to prevent the phenomenon of thread loss, and not to place high temperature objects near or around it. To sew bulk bags, that is, you need to reinforce the air needle on the upper left side of the fabric, and the tread distance should be at least 2CM. If it is a special high-strength large bag, use reverse stitches to sew 3 times back and forth, and cut Align the edges. At the same time, it should be noted that after the sewing is finished, the thread end is not easy to be too long, and there should be no sewing errors, leaks, etc.
Most bags are often broken at the handle. So, it should be noted that the commonly used stress points are also places that are often prone to breaks. There are two quick repair methods. One is to cut off the broken part at the original break, and then Use the sewing machine to use double-thread stitching, and the distance between the two stitches is less than 10mm. The other is to sew the broken place with a big bag patch of the same material. The straight two-thread machine is used to make the patch. The distance between the outer seam and the patch cloth is not less than 20mm. If the ton bag is damaged on the side or bottom, it can only be repaired with a sewing machine or a flat car. The butt seal is 3 stitches and 5 threads. At this time, pay attention to the size of the patch should be larger than the size of the damaged opening, and the minimum spacing should not be If it is less than 20MM, if it is usually difficult, it is recommended to do double stitching on the inside and outside, so that the repaired ton bag will be stronger. The side or bottom of the big bag is damaged. At this time, you can only repair it with a sewing machine or a flat car. The butter seal is 3 stitches and 5 threads. At this time, pay attention to the size of the patch should be larger than the size of the damaged opening, and the minimum spacing should not be less than 20MM, if you are usually struggling and heavy, it is recommended to do double stitching inside and outside, so that the repaired ton bag will be stronger.
