The invention relates to a
yarn feeding control method of a circular-weft knitting
machine. The
yarn feeding control method of the circular-weft knitting
machine is characterized in that the method includes the following steps that 1,
yarn feeding machines of the circular-weft knitting
machine are all provided with control chips and numbered, all control chips are connected with a host through a network formed by CAN communication buses, and each yarn feeding machine includes a machine body, a yarn transporting wheel and a
clutch brake, wherein the yarn transporting wheel is arranged on the machine body, and the
clutch brake is arranged in the machine body and used for controlling the yarn transporting wheel; 2, when yarn needs to be fed discontinuously, the host sends a motion command to the yarn feeding machine with a corresponding number in advance, after receiving the motion command, the yarn feeding machine with the corresponding number immediately draws the
clutch brake, a clutch plate is drawn, brake coils obtain power at the same time, a
brake pad is loosened, a brake is in a non-braking state, and the yarn feeding machine synchronously rotates to feed yarn; meanwhile, the brake coils of the yarn feeding machine corresponding to yarn which is temporarily out of service lose power, the clutch plate is separated, the yarn feeding machine loses rotary power, the brake coils lose power and draw the
brake pad at the same time, the brake is in a braking state, and the yarn feeding machine stops feeding the yarn.