Knowledge

Sewing machine oil is a kind of motor oil that can effectively protect transmission parts such as bearings, gears, cams and worm gears. Its excellent

1. Cleaning the sewing machine: Cleaning the sewing machine can help reduce the accumulation of impurities, thereby increasing the efficiency of the s

1. Line fault: When there is a problem with the line of the sewing machine, it usually causes the sewing machine to lose power and thus be unable to f

1. Uneven thread tension Uneven thread tension is one of the common reasons for the sewing machine's uneven threading. When the tension of the upp

The flat-sewing machine mainly uses a sewing thread to form a stitch on the sewing material, so that one or more layers of sewing materials are interw

1. Adjust the presser foot pressure on the presser foot bar. 2. The dust on the feed teeth is thick, remove the needle plate to clean it. 3. The suppo

1. Stop the machine for inspection When the sewing machine needle is found to pierce the bobbin case, first stop using it immediately. Remove the bobb

Start the motor, press the start handle, press the presser foot down to press the material, cut the buttonhole, feed the material quickly, feed the ma

The round-head buttonhole machine is an industrial sewing machine specially used for sewing buttonholes on medium-heavy-weight clothing. The so-called

Rotating hooking mechanism: a mechanism that uses a rotating hooking member to complete the hooking action, which is divided into: Rotary hook hooking

In a guide rod mechanism, if the guide rod can rotate a full circle, it is called a rotary guide rod mechanism. If the guide rod can only swing back a

The tooth profile of the spiral bevel gear is an arc shape, and is generally conical, like an umbrella, hence the name spiral bevel gear. Spiral bevel