Sewing machine repair is elementary (the most common cause of thread breaking when sewing)
Release time:
2023-04-03
Since most of the manufacturers who use sewing machines to do processing in our country are home-based, due to low profits and large competition in the industry, they generally cannot afford to support professional maintenance workers, so from today I will continue to publish knowledge about various fault repairs of sewing machines, I hope you continue to pay attention.
Since most of the manufacturers who use sewing machines to do processing in our country are home-based, due to low profits and large competition in the industry, they generally cannot afford to support professional maintenance workers, so from today I will continue to publish knowledge about various fault repairs of sewing machines, I hope you continue to pay attention.
Thread breaking during sewing is actually very simple, that is, there are burrs in the wedge crossing area, and 80% of thread breaks are caused by this reason. Take a look at the image below:
The part covered by the red thread is the part that the face line passes through when the hook runs at high speed, as long as there is a little burr on it will break when sewing, so we have to check carefully, generally after the needle is broken, burrs will appear.
The solution is to use sandpaper to polish the line part, be sure to use fine sandpaper, conditional can be polished with a cloth wheel is better, if the problem has not been solved then find other reasons.
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