Explain in detail the main reasons for jumpers in the threading machine

1. Development plan for selecting standard molds for sewing machines;
2. Exquisite and silent, with minimal wear and tear on the parts, and outstanding smooth system;
3. Each machine is debugged and qualified by the installation workers, and can be installed and used immediately;
4. The surface conforms to the fashion plan and has exquisite wear-resistant baking paint;
Explain in detail the main reasons for jumpers in the threading machine
There are several reasons for the jumper of the threading machine:
The main reason for the jumper of the threading machine is the threading machine needle
1. If the needle is used for a long time, it will become bald and there will be burrs when touched by hand. You can quietly polish it with sandcloth until it is smooth and continuous.
2. Is the needle position high or low? Push the needle onto the needle slot and use your hand