Due to the electronic or computer control system, after the ultrasonic underwear lace sewing machine reaches the maximum speed, the sewing stability is better, especially the seamability, including whether the stitch is good, whether it is soft, whether it is stable, whether there is any jump Excellent performance in needle, thread breakage, wrinkle, etc. Therefore, if you find that the machine has adverse reactions in this regard, do not buy it. You don't need to pay too much attention to the sewing speed of the machine. When buying this type of machine, you should not overemphasize the sewing speed of the machine. Although the sewing speed of the ultrasonic underwear lace sewing machine is much faster than the traditional sewing machine, the speed requirements are required in the process of garment production. It’s not that the faster the better, it needs to consider the endurance of the fabric and stitches. Therefore, when purchasing, you should weigh the sewing speed and the stability of the machine, and do not blindly follow the recommendations of the salesperson and pursue the sewing speed of the machine. Is there a complete range of clean and environmentally friendly performance? Usually in the development process of the ultrasonic underwear lace sewing machine, the designer has emphasized the cleanness of the machine and non-staining sewing. Through the design of the sewing machine head, the needle bar, the thread take-up lever and the rotary hook are not used around the needle to achieve cleanliness. Sewing. Therefore, when selecting a machine, the user must repeatedly test the machine to make sure that it will not bring oil stains to the fabric and sewing objects during work.

One machine can have multiple stitching technologies and is widely used. An ultrasonic underwear lace sewing machine can complete the work that several mechanical sewing machines can do. For example, an industrial zigzag sewing machine, generally a mechanical zigzag sewing machine can only complete one pattern of sewing, while an ultrasonic underwear lace sewing machine can complete a variety of welding processes.