Now that the range of feeders is used more and more, how do we know it and how we need to understand the structure knowledge in the process of use, the following is a detailed introduction for everyone by Sanyi Xiaobian:

The mechanism of pushing the sewing material on the top surface of the sewing material by the upper feeding presser foot of the alternate pressing lever mechanism. For feeding mechanism of the feeder, a mechanism for pushing the sewing material together with the lower feeding teeth of the feeding mechanism of the lower feeder due to the swinging of the needle bar mechanism after the needle penetrates the sewing material. Upper and lower compound feeding mechanism: mechanism for pushing the sewing material together with the swingable upper feeding presser foot and the lower feed dog acting on the top and back of the sewing material. Upper and needle compound feeding mechanism: The mechanism that feeds the sewing material together with the needle that pierces the upper feeding pressure foot and the needle material that penetrates the sewing material at the same time. Needle and lower compound feeding mechanism: The mechanism that pushes the sewing material together with the feeding needle and the feeding tooth at the same time.

Feeder upper, needle, and lower integrated feeding mechanism: The mechanism that feeds the sewing material together with the upper feeding pressure foot and the lower feed tooth simultaneously acting on the top and back of the sewing material when the needle pierces the sewing material. Differential feeding mechanism: The feeding mechanism is independent of the front and rear two feeding teeth. This mechanism can adjust the feeding speed and feeding distance of the front and rear feeding teeth individually to make the sewing material shrink or stretch. Roller feeding mechanism: The top surface of the sewing material is pressed by the upper roller, and the lower feeding roller is driven by the driving mechanism to push the sewing material on the back of the sewing material.

Feeder feed mechanism: A mechanism for delivering the sewing material when the sewing machine is sewing. It is categorized as: Forward feeding mechanism: Feeding away from the operator. Feed-feed mechanism: feeding in the direction of the operator. Horizontal feed mechanism: feeds along the operator's left and right directions. Lower feeding mechanism: The mechanism that presses the sewing material by the presser foot of the presser rod mechanism and pushes the sewing material on the back of the sewing material by the lower feeding tooth of the feeding mechanism is the most basic feeding form in the sewing machine. Feeding mechanism: