The computerized embroidery machine is generally composed of the host machine and the computer controlled two parts;
　　 (1) Host machinery:
　　 is mainly composed of machine base, machine head, worktable, embroidery frame thread take-up mechanism, bobbin thread mechanism, up and down speed transmission device, vertical and horizontal direction stepping device, automatic color changing device, pull rod device, etc.
　　 (2) Computer control system.
　　 Is mainly composed of operation keyboard, main control box, power supply box, stepping motor control box, color change control box, disconnection detection box, etc.

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