Knowledge

1. Take-up mechanism When sewing, the sewing machine acts as a mechanism for conveying, recovering the needle thread and tightening the stitch in the

(1) Lubricating parts: the oil holes on the machine head, the lubricating upper shaft and the parts connected to the upper shaft; the parts in the pan

The short grooves are facing inward to the right, and the long grooves are facing outwards to the left. The long groove is the groove from the bottom

There are three points to pay attention to when installing the needle: 1. The plane of the needle handle of the needle is backward. If the needle hand

First, turn off the power switch of the sewing machine! 1. Turn the handwheel counterclockwise to stop the needle position at the highest point. (If t

There are many reasons for this phenomenon. Firstly, look at whether the height of the cloth feeder is appropriate, and secondly look at the height an

1. The height of the presser foot of the sewing machine can be adjusted freely. Along the presser foot bar upwards, there is a nut at the top of the m

1. Eating the top piece means that the top piece of two-layer fabric goes faster than the bottom piece of fabric, while eating the bottom piece means

Before using the new sewing machine, loosen the position screw of the feed dog. The height of the feed dog is determined by the thickness of the fabri

First turn the machine by hand to observe whether the looper cannot hook the needle thread loop or the machine needle does not insert the looper trian

The interlock sewing machine is also called a special sewing machine, and the stitches it sews are chain stitches. This stitch is mostly used for roll

1. In the first case, the quality of the thread is not good. We generally use 402 special sewing thread for sewing. If you buy some inferior sewing th