The computer sewing computer flat car, computer DY cars, computer tricks varieties, we mainly talk about the vulnerable parts of the machine's computer tricks which computer tricks vulnerable parts of the machine is not much, but wearing high need replaced from time to time. Mechanical components include: needle plate, needle, needle bar, presser foot lever, presser foot, shuttle bed, bobbin case, wire core, if it is oscillating shuttle structure is: Yuehmei, horns, kettle, kettle cover, bobbin case, etc. track, ball, ball slider, belt, pressure box, under the pressure box electronics components include: emergency switches, sensors, a version of the glass, dressed film, pulleys, needle sensitive film