Why the sewing machine is broken
Sewing machine disconnection is mainly due to needle and hook movement time or movement position is not consistent with the caused. Of course, it is also possible that the needle can not form a coil and cause a line jump jumper. There jumper, you can find the following reasons:
Sewing thread is too thin due to lack of toughness easy to break; fine needle with a very thick sewing thread, will make the sewing thread can not be successfully cut through the pinhole.
(B) check whether the selected sewing thread matches the needle.
Moldy, metamorphic or nodular suture most likely broken.
Sewing machine is broken in the sewing machine in the sewing process, because the bottom of the machine can not hook the hook or the upper thread was hooked and then slip off, can not form a continuous line of a phenomenon.
